KR100822334B1 - Artificial stone and formation therefor - Google Patents

Abstract

By controlling the artificial stone structure, further improvement of the light emission characteristics such as light emission by photoluminescent light emission and ultraviolet light can be continued for a long time.

An artificial stone containing at least one of a transparent aggregate and a phosphorescent material and a light emitting material by ultraviolet rays together with a resin, characterized in that the light emitting performance of the artificial stone is higher than the light emitting performance of the phosphorescent material or the light emitting material itself by the ultraviolet light. Luminous / luminescent artificial stone

Description

Luminous artificial light and its composition {ARTIFICIAL STONE AND FORMATION THEREFOR}

BRIEF DESCRIPTION OF DRAWINGS Fig. 1 is a diagram illustrating the form of cutting and surface processing of artificial stone.

2 is a diagram illustrating a laminated configuration using luminous / luminescent artificial stone.

3 is a view showing an example of embedding luminous / luminescent artificial stone.

4 is a diagram illustrating the integration of luminous / luminescent artificial stone.

The invention of the present application relates to a luminous or luminous artificial stone and its structure. More specifically, the invention of the present application is a luminous / luminescent property having luminous luminescence or luminescence according to ultraviolet absorption useful for building materials, landscape materials, etc., as a night decoration, a direction indication by a light in a dark field environment, a guide of a position, etc. It is about artificial stone and its composition.

Conventionally, the artificial stone which grind | pulverized natural stone, mixed this and solidified by resin etc. is known. In addition, various studies have been conducted on the artificial stone to have a natural stone design such as marble and fish stone, and to be excellent in hardness and strength.

As an attempt to improve the function and performance of the artificial stone, it has been proposed to impart the function of light to the artificial stone by using a luminous material such as a luminescent material or a luminescent material such as an ultraviolet light emitting material that emits light upon ultraviolet absorption. .

For example, a luminescent tile containing a phosphorescent pigment together with an inorganic filler and a synthetic resin and containing about 50% by weight or more of the total amount as an inorganic filler has been proposed (Japanese Patent Laid-Open No. 60-137862). For example, the light-emitting tile is composed of an inorganic filler having an average particle diameter of 0.2 mm or more and a weight ratio of 75% by weight of silicon, 15% by weight of a syrup composed of 25/75 MMA polymer / MMA monomer, and 9% by weight of a phosphorescent pigment. It has been suggested that the composition is molded and cured to a sheet thickness of 3 to 5 mm.

Moreover, it is proposed to make it a luminescent material with the composition with natural or synthetic luminescent stone which emits light by an ultraviolet-ray, and 4-10 weight% of total amounts of adhesive resin with natural or synthetic aggregate (Japanese patent). Publication No. 8-1197068).

However, for example, in the case of the conventional artificial tile or artificial stone emitting material made luminous by the above-mentioned photoluminescent pigment, as a lower limit that a human can check the outline of the object from the saturation state by D65 commercial light source 200Lx irradiation. It is only several hours that the light emission can be maintained up to a brightness of 3 mcd / m 2, and is 1 hour in the above-mentioned proposal (Japanese Patent Laid-Open No. 60-137862).

In addition, there was a problem that the initial luminance, that is, the luminance for clear visibility for about 15 minutes, which is considered necessary for evacuation induction at the time of power failure, was not a sufficient level. Such a problem has been common as a problem that even in the case of light emission by ultraviolet rays, the light emission performance is not obtained as sufficient.

In addition, either of artificial stones (artificial tiles) made luminous by the mixing of the phosphorescent pigments or artificial stones made to emit light by ultraviolet rays can emit light from the surface of the material or at most 1 mm surface. To a depth of up to and above, there was a drawback that the phosphorescent material contained in the interior of the molded article of artificial stone did not work at all.

For this reason, there is a fundamental problem with the above-mentioned luminous performance that the thickness of the luminescence is not obtained, and for example, the luminous artificial stone by the phosphorescent remixing is difficult to extend the luminous luminescence time.

In fact, since such a problem exists, the luminous luminous property, whose function has been noted as an evacuation guide in case of a power failure in an underground road, has been practically utilized. It is limited to.

In addition, luminous substances such as phosphorescent materials and luminescent substances by ultraviolet rays are expensive, and even if only a small amount is added, the overall cost of the artificial stone product is increased by 3 to 10 times. Therefore, the luminescent substance is not actually contributed to light emission. Inclusion in artificial stone is not practical in terms of cost.

In addition, in the conventional ones, there are problems not only in terms of light emission performance but also in terms of physical performance such as strength, abrasion resistance, and weather resistance as artificial stones, and for example, they cannot be used as flooring materials requiring wear resistance. .

From these things, the performance and the use of the luminous artificial stone by the luminous property to the ultraviolet ray were extremely limited.

In view of the above circumstances, the inventors of the present application are artificial stone containing inorganic aggregate and filler at the same time as resin, and realize high-intensity, high hardness and deep natural color tone, and at the same time, luminous material and ultraviolet ray The artificial stone which contains the light emitting material, enables light emission with a thickness, makes external appearance thickness as an artificial stone larger, and enables light emission for a longer time was proposed. (Eg, W0 98/39268, NO 98/35919).

In this proposal, as inorganic aggregates and fillers, using a plurality of inorganic materials having significantly different average particle diameters at specific compounding ratios, using transparent ones as inorganic materials having a large particle size, and a phosphorescent material or ultraviolet light emitting material. The ash is intrinsically characterized by blending them as one of a smaller particle size group or by coating them on the surface of particles of a transparent inorganic material having a larger particle size by baking or the like in advance.

And this proposal was based on the new knowledge that the increase of the thickness which contributes to light emission by a phosphorescent material etc. is made possible by control of the internal structure of artificial stone.

In fact, in the artificial stone based on the proposal of the inventors of the present application, it is possible to maintain the luminance of 3mcd / m 2 for about 8 hours.

However, in subsequent studies, the inventors of the present application further improve the luminous performance of the photoluminescent material and the light emitting material by ultraviolet light, such as increasing the initial luminance of the photoluminescent light emission and enabling the light emission to be sustained at a predetermined brightness for a longer time. For the purpose of further improvement, controlling the relationship between the artificial stone structure and the luminescence performance has been a major problem.

It is to realize a luminescent luminescent artificial stone exhibiting a maximum of specific energy performance at a night or a power failure, or a luminescent artificial stone exhibited by ultraviolet rays exhibiting maximum energy saving. In addition, in the control, it is also a problem to maintain and improve the very high quality and high performance physical performance that the inventors have realized so far, such as strength, surface hardness, wear resistance, weather resistance, color tone, water resistance and chemical resistance, etc. Has been done.

The invention of the present application solves the above problems, and in the first invention, a phosphorescent material containing as an artificial stone containing at least one of a transparent aggregate, a phosphorescent material and a light emitting material by ultraviolet rays together with a resin, or It provides a luminous / luminous artificial stone, characterized in that the light emitting performance of the artificial stone is higher than the light emitting performance of the light emitting material itself by ultraviolet rays,

In the second invention, the luminous / luminescent artificial stone is characterized in that the luminous performance is high at the artificial stone filling rate (vol%) lower than the maximum filling rate (vol%) of the phosphorescent material or ultraviolet light emitting material itself contained. to provide.                     

The invention of the present application is an artificial stone containing, as a third invention, a transparent aggregate and at least one of a phosphorescent material and a light emitting material by ultraviolet rays together with a resin, and the transparent aggregate has a particle diameter of 0.1 mm or more. It provides a luminous / luminous artificial stone, characterized in that less than 1 / 1.5 of the thickness of the artificial stone at the time of pour hardening of artificial stone.

In addition, in connection with this third invention, the invention of the present application is characterized in that the luminous / luminescent artificial stone is characterized in that the aggregate particle size is 0.3 mm or more in the fourth invention, and that in the fifth invention, the transparent aggregate has an average particle diameter. The luminous / luminescent artificial stone, characterized in that it is 1/20 or more and 1/3 or less of the thickness of the artificial stone at the time of pour hardening, and in the sixth invention, the transparent aggregate is a luminous / luminescent artificial stone, characterized by having an irregular surface shape. To provide.

The invention of the present application is the luminous / luminescent artificial stone in any one of the seventh invention, and the luminescent material and the luminescent material by ultraviolet light each have an average particle diameter of 10 µm or more and 300 µm or less, respectively. In the eighth aspect, the present invention provides a luminous / luminescent artificial stone, characterized in that the average particle diameter is not less than 40 µm and not more than 150 µm.

In a ninth aspect of the present invention, there is provided a luminous / luminescent artificial stone, wherein the luminous / luminescent artificial stone is any one of the above, and contains a mineral filler having a particle diameter of less than 0.1 mm. It provides a luminous / luminous artificial stone, characterized in that the average particle diameter of the filler is 30㎛ 70㎛.

According to the eleventh invention, the invention of the present application is the artificial stone of any one of the above inventions, and the luminous / luminescent artificial stone is characterized in that the volume ratio of the transparent aggregate is 20% or more and 80% or less. And a volume ratio of the phosphorescent material or the light emitting material by ultraviolet light or a mixture of both thereof is 10 or more and 100 or less as the filler / luminescent material and / or the light emitting material by ultraviolet light.

According to a thirteenth invention, the invention of the present application provides a luminous / luminescent artificial stone, wherein the transparent aggregate is quartz or quartz, and the filler is aluminum hydroxide or silica.

In a fourteenth invention, the present invention provides a luminous / luminescent artificial stone, wherein the transparent aggregate is glass and the filler is silica or aluminum hydroxide.

In addition, in the fifteenth aspect of the present invention, in the fifteenth invention, any one of the above-mentioned artificial stones includes a non-transparent aggregate together with a transparent aggregate, and its particle size is 1 / 1.5 or less at the time of artificial pour curing, and It provides a luminous / luminescent artificial stone characterized in that the total volume ratio of the transparent aggregate is 20% or more and 80% or less of the artificial stone.

According to a sixteenth aspect of the present invention, there is provided a luminous / luminescent artificial stone, which is any one of the above-mentioned artificial stones, and the time from saturation of the D65 commercial light source 200Lx to 3mcd / m 2 is 12 hours or more.

In addition, the invention of the present application provides a luminous / luminescent artificial stone according to the seventeenth invention, wherein any one of the luminous / luminescent artificial stones is laminated as a surface material, and according to the eighteenth invention, A luminous / luminescent artificial stone is characterized in that one luminous / luminescent artificial stone is configured as part of the surface.

The invention of the present application as described above is based on the following findings obtained as a result of detailed examination by the inventor.                     

In other words, the luminous and luminous functions are greatly improved by the structure and control of artificial stone, and as for the structure and control at that time,

(1) particle size of transparent aggregate

(2) Shape of transparent aggregate

(3) Particle diameter of phosphorescent material / ultraviolet light emitting material

(4) Volume ratio of transparent aggregate and volume ratio with filler

(5) Combination of types of transparent aggregates and types of fillers

These factors are important, and it is the knowledge that it is effective to control these as a specific thing like the invention of this application. These factors became clear only by examination of the inventor of this application.

Although the invention of this application has the above characteristics, the embodiment will be described below.

First, the invention of the present application is basically a new technical idea that is not known in the prior art and has not been obtained from the inventors of the present application as knowledge. The first and second inventions are provided.

That is, the luminous / luminescent artificial stone of the present invention is an artificial stone containing a transparent aggregate, at least one of a phosphorescent material and a light emitting material by ultraviolet light, and a filler blended as necessary, together with a resin. It is characterized in that the light emitting performance of the artificial stone is higher than the light emitting performance of the light emitting material itself.

As for the light emitting performance having such characteristics, it has not been thought at all until now. That is, rather than the light emitting performance of the light emitting material or the light emitting material itself by ultraviolet light, the artificial stone of the present invention, that is, not only the light emitting material by the photoluminescent material or the ultraviolet light, but also a mixed composite material with a transparent aggregate, a resin, or the like, has a degree of artificial stone in the light emitting performance. It is excellent.

An artificial stone having this excellent luminescence performance is provided only by the invention of the present application.

The luminous performance by the phosphorescent material and the light emitting material itself by ultraviolet rays is evaluated as follows, for example.

That is, since these photoluminescent materials and ultraviolet light emitting materials are used in the form of powder particles, the luminescence performance of these alone is in the upper open transparent container having the same depth as the thickness at the time of artificial stone casting. To the maximum charging state by vibrating pressure. This state indicates a state in which the powder particle body made of the phosphorescent material or the ultraviolet light emitting material is completely charged while maintaining the initial size and shape, and above that, the state cannot be charged any more. . And this state is comprised by the air between these powder particle bodies and mutual gaps.

Then, the light emission performance may be measured in such a state of maximum charging.

For example, Table 1 shows that a D65 light source 200Lx is saturated for 60 minutes when a strontium aluminate-based photoluminescent material (product of Nemoto Tokushuka Chemical Co., Ltd.) having a different particle diameter is in the maximum charging state (5 mm depth). After irradiation, the initial luminance after 15 minutes and the time until attenuation at 3 mcd / m 2 are shown.

Phosphorescent material (average particle diameter㎛) 10 20 40 80 150 300 Maximum filling rate (volume%) Luminance after 15 minutes in volume ratio True ratio (mcd / ㎡) Decay time to 3mcd / ㎡ 30.56                                                  1.1 3.6 102.3                                                  5 hours 30 minutes 36.11                                                  1.3 3.6 148.5                                                  7 hours 15 minutes 38.89                                                  1.4 3.6 189.3                                                  10 hours 45 minutes 41.67                                                  1.5 3.6 301.8                                                  14 hours 15 minutes 44.44                                                  1.6 3.6 405.6                                                  18 hours 47.26                                                  1.7 3.6 395.2                                                  17 hours

On the other hand, Table 2 shows the luminescence performance of the phosphorescent material having an average particle diameter of 150 µm shown in Table 1 in the artificial stone having a thickness of 5 mm as a constitution of the artificial stone in correspondence with the filling rate (volume%) of the phosphorescent material.

Phosphorescent material filling rate (% by volume) Luminance after 15 minutes (mcd / ㎡) Decay time up to 3mcd / ㎡ 0.29 1.44 3.19 4.37 11.19 15.61 61.29 105.3 178.6 217.6 372.3 426.1 1 hour 35 minutes 6 hours 10 hours 45 minutes 11 hours 45 minutes 19 hours 45 minutes 24 hours

 In addition, the brightness | luminance in Table 1 and Table 2 and its attenuation were measured using the Topcon "BW33 luminance meter". The same applies to the following description.

For example, as is clear from the comparison of the photoluminescent material having an average particle diameter of 150 µm in Tables 1 and 2, in the artificial stone of the present application, the filling rate is 11.19% by volume, and the decay time up to 3mcd / m2 is 19 hours. It is understood that the initial luminance after 15 minutes is higher than the level of the photoluminescent material when the 45 minutes and the photoluminescent material itself exceed the level of 18 hours and the filling rate in the artificial stone is 15.61%.

This was confirmed not only in the case of the photoluminescent material of an average particle diameter of 150 micrometers, but also in any of 10-300 micrometers of Table 1.

It is considered common sense that the luminous performance is better in the artificial stone of the present invention than in the case of the phosphorescent material alone, that is, the luminous performance of only the phosphorescent material is reduced by mixing with other components. On the contrary, it is surprising that the light emission performance is improved by mixing.

The following is inferred as the reason.

That is, in artificial stone, the light (ultraviolet ray) emitted by irradiation of sunlight, fluorescent light, or the like in the artificial stone is promoted dispersion and diffuse reflection in the artificial stone by mixing and compounding with the transparent aggregate, etc. It can absorb light energy in ashes.

Therefore, it is possible to efficiently photoluminesce the light that enters the artificial stone and make the light emission efficient.

The above is similarly recognized not only in the case of a luminescent material but also in the case of the luminescent material by the ultraviolet-ray of this invention.

Therefore, in the invention of the present application, a configuration of a suitable artificial stone for enabling the above is provided.

In this artificial stone, first, as its composition, an inorganic aggregate, a luminescent material (i.e., a luminescent luminescent material) or a luminescent material which emits light by ultraviolet irradiation, and a resin are contained, and part or all of the inorganic aggregate is a transparent aggregate. It is called a feature. Here, in the case where the transparent aggregate is part of the inorganic aggregate, the ratio can be determined in consideration of the physical function and the light emitting function that require the use of the luminous / luminescent artificial stone of the present invention or its structure.

Therefore, in the invention of the present application, the transparent aggregate is included as an essential requirement.

And artificial stone will contain an inorganic or organic filler, and trace components, such as a silane coupling agent and a hardening | curing agent, as needed.

Examples of the transparent aggregate in such a compositional configuration include inorganic materials having high transparency such as quartz (quartz), quartz, glass, and silica. In addition, such an aggregate is used in combination with inorganic aggregates such as non-transparent natural stones, minerals, ceramics and the like within an acceptable range.

Fillers which are blended with the aggregates as necessary are fine grain powders having a much smaller particle size than the aggregates.For example, inorganic materials such as aluminum hydroxide, glass powder, silica powder, quartz powder, calcium carbonate, plastic powder or plastic Organic substances, such as a beads, are illustrated.

As for the photoluminescent material or the light emitting material by ultraviolet rays, various kinds of materials, including conventionally known ones and commercially available ones, are appropriately used. For example, a strontium aluminate type material, a zinc sulfide type material, etc. are mentioned.

The invention of the present application has already examined the luminous / luminescent artificial stone proposed by the inventors in more detail, and highly structured control has enabled an unexpected and remarkable improvement in luminescence performance. There is a particle size of the transparent aggregate.

The luminescence performance is evaluated by luminescent luminescence in the following, but in this evaluation, 200 lux (Lx) will be saturated with a D65 commercial light source in accordance with JIS "Linoluminescent Safety Labeling Plate" Z9100-1987. After the investigation, the time until the luminance becomes 3mcd / m 2 is set as a criterion for evaluating the performance. Incidentally, the luminance of 3mcd / m 2 is a lower limit that allows a person to recognize the outline of an object. In the present invention, the luminance in the elapsed time after irradiation such as the initial luminance after 15 minutes is also subjected to evaluation.

In the transparent aggregate, as the invention of the present application, the particle diameter is 0.1 mm or more, and is assumed to be 1 / 1.5 or less of the artificial stone thickness at the time of pouring curing of the artificial stone. Here, "pouring hardening" refers to a state in which the raw material mixture or composition in the flow state of artificial stone is molded in a mold and molded and cured by compression or the like, or a shape hardened from a flow state to a predetermined shape by continuous belt molding or the like. It means. It is a requirement that the particle size of the transparent aggregate be less than 1 / 1.5 of the thickness of the artificial stone during such pour hardening.

And in the invention of this application, it is set as the preferable aspect that an aggregate particle diameter is 0.3 mm or more.

When the aggregate particle size of the transparent aggregate is less than 0.1 mm, only a performance equivalent to a time of several hours, that is, 1 to 3 hours, can be achieved for a luminance of 3 mcd / m 2, which is known in the art. In order to make this time at least 6 hours, it is necessary to make the maximum particle diameter of a transparent aggregate into 0.1 mm or more of an artificial stone thickness. In order to make the time which reaches 3mcd / m <2> brightness | luminance from saturated state into 8 hours or more and 12 hours or more, it is preferable to make particle size 0.3 mm or more.

In addition, this particle diameter shall be 1 / 1.5 or less of artificial stone thickness. It is because when it exceeds 1 / 1.5, it becomes difficult to obtain physical properties, such as predetermined intensity | strength, of an artificial stone by pour hardening of an artificial stone, and practically, the practical goods of a luminous / luminescent artificial stone are not obtained.

For example, Table 3 shows light emission of artificial stone (plate thickness 5mm) containing only 2vol% (3.89wt%) of strontium aluminate-based photoluminescent material (Nemoto Tokushuka Chemical Co., Ltd., G-300C) as a photoluminescent material. It illustrates the performance. Here, the result obtained by irradiating 200Lx 60 minutes with the D65 commercial light source and making it saturated is shown.

The composition (vol%) of artificial stone is as follows.

Quartz (crushed) 19.98

Aluminum Hydroxide 32.11

(Average particle size 40㎛)

Phosphor Ash 2.00

(Average particle size 40㎛)

MMA Resin 44.74

Other rest                     

(Silane coupling agent, curing agent, etc.)

Luminescence time after light irradiation (hr) Quartz particle size range (mm) 2.5 to 1.2 1.2 to 0.6 0.6 to 0.3 0.3 to 0.1 Less than 0.1 1 2 4 6 8 10 35.47 16.82 7.253 4.372 3.326 3.087 29.48 13.20 5.957 3.972 3.121 30.39 13.16 5.671 3.872 3.012 24.56 11.13 4.971 3.082 14.23 3.871

Table 3 shows the change in luminance (mcd / m 2) with time after light irradiation for each quartz particle diameter range in the case where the content rate of the photoluminescent material is only 2vo1%.

In Table 1, it is understood that it is necessary to make the aggregate particle size of 0.1 mm or more, and 0.3 mm or more is preferable in order to make the time up to 3mcd / m2 6 hours or more.

In addition, when the particle size of a transparent aggregate exceeded 1 / 1.5 of plate | board thickness, ie, 3.4 mm, it is not shown in Table 1, but the pour-hardened artificial stone was weak and it was not practical.

In addition, when the aggregate particle size is less than 0.1 mm, when the compounding ratio of the photoluminescent material is increased, the luminescence performance is improved, but the photoluminescent material is very expensive, and it is not practical to increase the usage amount. For this reason, it is very important for the luminous / luminescent artificial stone to realize the best luminous performance by minimizing the use ratio of the photoluminescent material.

In view of this, the definition of the particle size of the transparent aggregate related to the invention of the present application shows the remarkability of the invention.

And in the invention of this application, it is more preferable that the transparent aggregate is that the average particle diameter is 1/20 or more and 1/3 or less of the thickness of the artificial stone at the time of pouring hardening. By setting the average particle diameter in this range, it is possible to surely set the time until attenuation at a luminance of 3 mcd / m 2 to 12 hours or more.

Table 4 shows the artificial stone (plate thickness 5mm) of the following composition (% by volume):

Quartz (crushed product) 49

Aluminum Hydroxide 14

(Average particle size 40㎛)

Phosphorescent material G-300C 5

(Average particle size 40㎛)

MMA Resin 31

In this regard, the time to the luminance of 3 mcd / m 2 in the case where the average particle diameter of quartz is changed is shown. In addition, about a composition, the indication of a trace component (silane coupling agent, a hardening | curing agent, etc.) is abbreviate | omitted. The same applies to the following.

Particle size (mm) Average particle diameter (mm) Time up to 3mcd / ㎡ 2.38 2.38 2.38 2.38 2.38 0.25 1.0 1.2 1.6 1.8 12 hours 15 minutes 13 hours 30 minutes 13 hours 45 minutes 13 hours 9 hours 45 minutes

D 200Lx60 ₆₅ minutes (more than saturation time) after the irradiation, there is shown the amount of time 3mcd / ㎡.

From Table 4, the significance of setting the average particle diameter of the transparent aggregate to 1/20 or more and 1/3 or less of the thickness of the artificial stone plate at the time of pour hardening is shown.

On the other hand, as for the transparent aggregate, it is preferable to have an irregular surface shape and to have a regular crystal wall interface or the like or a non-spherical one. This is first characterized by a comparison of quartz (silica) and quartz. Usually, these are those having a predetermined particle size as pulverized products, but in the case of quartz crystals, since they are highly crystallized, the pulverized products often have regular surfaces. On the other hand, there is no such thing in quartz articles. As for the quartz article, the particle shape is comprised by the irregular irregular surface as a whole. In addition, in the case of glass spheres, there is no irregular surface seen in quartz and ordinary glass ground products.

This difference determines the luminous performance of the luminous / luminescent artificial stone.

Table 5 illustrates this difference.

In either case, about composition (% by volume);

Transparency Aggregate 50

Aluminum Hydroxide 14

Phosphorescent material G-300C 5

MMA resin 30

The pour hardening is shown as a maximum particle size of 2.38 mm of transparent aggregate and a plate thickness of 5 mm of artificial stone. Table 5 shows the time until the saturation of the D65 commercial light source 200Lx until 3mcd / m 2 after irradiation.

Transparency aggregate Time to reach 3mcd / ㎡ Glass Grinding Glass Beads Quartz Grinding Crystal Grinding 11 hours 45 minutes 9 hours 13 hours 8 hours 30 minutes

  From Table 5 it can be seen that there is a clear difference. This difference is inferred from the fact that the light incident on the transparent aggregate reflects the degree of diffuse reflection in the particles. In the case of crystals having a high crystal plane or glass beads having a spherical surface, it is considered that such a degree is smaller than that of a crushed product of quartz or glass.

Then, again, in the case of the luminous / luminescent artificial stone of the invention of the present application, according to the inventor's examination of the present application, the particle size of the phosphorescent material is superior in terms of luminescence performance. It is confirmed that when the particle diameter is large, the time of light irradiation for initial saturation is increased.

For example, with 5vol% of phosphorescent material, the synthetic stone of 49vol% quartz and 31vol% MMA resin in aggregate will have 3mcd / m2 brightness after irradiation to saturation of D65200Lx as illustrated in Table 6. In order to be 12 hours or more, it turns out that it is preferable to use the strontium aluminate type phosphorescent material of 20 micrometers or more of average particle diameters, and 40 micrometers or more.

Luminance, time Phosphorescent Material Average Particle Size (㎛) 10 20 40 80 150 Luminance after 10 hours (mcd / ㎡) Luminance after 12 hours (mcd / ㎡) Time to reach 3mcd / ㎡ 3.213                                                  -                                                  10 hours 15 minutes 3.809                                                  3.007                                                  12 hours 4.346                                                  3.415                                                  13 hours 15 minutes 4.529                                                  3.523                                                  13 hours 30 minutes 4.975                                                  4.079                                                  15 hours 15 minutes

It is preferable to use an average particle diameter of about 300 micrometers, Preferably it is 150 micrometers from the point of being easy to obtain in a present state.

In the artificial stone of the present invention, an inorganic filler having a particle size smaller than that of inorganic aggregates such as the transparent aggregate, that is, a particle size of less than 0.1 mm, can be used. Such an inorganic filler is not necessarily required to be blended as a constitution of the luminous / luminescent artificial stone of the present invention. However, it is expected that this filler makes it possible to reduce the amount of resin used in the composition of artificial stone, to contribute to the densification of artificial stone structure, and to contribute to efficient light emission with a small amount of phosphorescent material or the like.

The average particle diameter of such a filler is 30 micrometers or more and 70 micrometers or less.

Fillers having a particle size of 0.1 mm or more are difficult to make the artificial stone structure dense, and furthermore, it becomes a factor of lowering the luminous performance.

In addition to the above-described regulations regarding the particle size, in the luminous / luminescent artificial stone of the present invention, the combination of aggregate, filler, and phosphorescent material should be noted, and in this case, the volume ratio occupies the three-dimensional structure of the artificial stone. This is important. This knowledge of volume ratio clarifies requirements that cannot be ignored in view of the physical properties of the artificial stone as a three-dimensional structure and the luminous performance.

In the luminous / luminescent artificial stone of the present invention, the volume ratio of the transparent aggregate is preferably 20% or more and 80% or less. And when using a filler, although it is not specifically limited, It is set as the preferable aspect that the light emitting material (volume ratio) by filler / luminous material and / or ultraviolet-ray is 100 or less.

Table 7 shows aluminum hydroxide having an average particle diameter of 40 µm as a filler using a strontium aluminate-based photoluminescent material (G-300C) having an average particle diameter of 40 µm as the phosphorescent material, and a maximum particle size of 2.38 mm as the transparent aggregate and an average particle diameter of 1.2 mm. D65 commercial light source 200Lx when using quartz (pulverized product) with MMA resin, time to attenuation at 3mcd / m <2> luminance after irradiation to saturation state is shown.

Aggregate quartz volume fraction (%) 10 20 60 80 90 Time to 3mcd / ㎡ (hr) 6.5 12.5 13.5 12 8.5

From Table 7, it can be seen that the time until the time being 3mcd / m 2 in the above prescribed range is set to 12 hours or more.

In addition, in the luminous / luminescent artificial stone of the present invention, the light emission performance can be improved by the combination of the transparent aggregate and the filler. Table 8 exemplifies this combination. The maximum particle size of the transparent aggregate was 2.38 mm, the average particle diameter was 0.8 mm, the average particle diameter was 40 μm, and the phosphorescent material (strontium aluminate: G-300C) had an average particle diameter of 40 μm, and the volume ratio was 50% of the transparent aggregate, 30% of the MMA resin, 15% of fillers and 5% of phosphorescent materials are used.

Transparency aggregate filling Luminance after 1 hour of light irradiation (mcd / ㎡) Time up to 3mcd / ㎡ Quartz (crushed product) Aluminum Hydroxide Silica Glass Powder 25.83 24.98 23.71 13 hours 30 minutes 12 hours 5 hours Glass (crushed product) Silica Aluminum Hydroxide Glass Powder Calcium Carbonate Quartz Powder 57.49 52.04 25.26 38.14 18.68 12 hours 15 minutes 12 hours 6 hours 15 minutes 8 hours 4 hours 45 minutes

The glass normally uses commercially available soda glass.

Table 8 also shows the results of irradiation to D65 commercial light source 200Lx and saturation, but when quartz is used as the transparent aggregate, it is preferable to use aluminum hydroxide or silica as the filler, and silica or hydroxide when glass is used. It turns out that it is preferable to use aluminum.

By such combination selection, it can be seen that the time to 3 mcd / m 2 becomes 12 hours or more.

As for the light emitting performance, it is understood that such a combination is effective even when a light emitting material using ultraviolet rays is used as a difference in light transmittance shown in Table 9.

Transparency aggregate filling Total light transmittance (%) Diffusion rate (%) Black light transmittance (%) Glass (crushed product) Silica Aluminum Hydroxide Glass Powder Calcium Carbonate Quartz Powder 48.6 44.1 35.4 21.8 22.5 45.5 41.2 33.2 20.4 21.0 14.3 12.9 11.7 2.3 5.2

  Although Table 9 shows the case where the glass in Table 7 was made into a transparent aggregate, it turns out that the said combination is preferable.

For example, as described above, in the invention of the present application, as an artificial stone containing a transparent aggregate, a filler, and a photoluminescent material together with a resin, Dmc commercial light source 200Lx, after irradiation to saturation state, 3mcd / ㎡ A luminous / luminescent artificial stone is provided, characterized in that the time until it is at least 12 hours.

As for the artificial stone of the invention of the present application having the excellent luminescence performance as described above, the composition may be various as described above, and the same also applies to the manufacturing method.

Regarding the composition, appropriately formulated with the above-mentioned transparent inorganic aggregates and resins as fillers, other functional compounding ingredients, and trace compounding ingredients is artificial stone strength, weather resistance, abrasion resistance, surface non-slip, color tone, nonflammability, and various other functions. It is also considered from the viewpoint of.

Of course, as the luminous / luminescent artificial stone of the present invention, as described above, the transparent aggregate may occupy the entire amount of the total aggregate component, or as a part of the aggregate, a non-transparent inorganic aggregate may be used in combination. However, also in the case of this combination, in order to realize the excellent performance of the D65 commercial light source 200Lx and the time until it decays by the brightness | luminance of 3mcd / m <2> after saturation until 12 hours or more, transparency aggregate is the time of casting hardening. It is preferable to make it 20 vol% or more and 80 vol% of an artificial stone.

The total amount of the transparent aggregate and the non-transparent aggregate is preferably in the range of 20 vol% or more and 80 vol% or less.

Inorganic aggregates including non-transparent aggregates have a maximum particle diameter of 1 / 1.5 or less of the thickness of the pour-hardening as described above, and the inorganic aggregates to be blended have a particle size distribution and may be blended as a mixture of various particle sizes. There is no need.

In practice, an inorganic aggregate composed of a transparent aggregate or a transparent aggregate and a non-transparent aggregate has a fine filling well known in concrete engineering, or a particle size distribution in the vicinity thereof, and the average particle size of the aggregate is As such, it is preferable to be used as being 1/20 or more and 1/3 or less of the artificial stone thickness at the time of pour hardening.

In addition, when obtaining a luminous / luminescent artificial stone, what kind of color tone and design of a bright field should be considered naturally. Fish spirit stone and marble are aimed at rightly because product from natural thing is hard to get and color is beautiful. In this case, the color is an important theme that determines the value of fish stone or marble. In natural fish stone and marble, there are many kinds of colors themselves from completely black to white or red, and even the same color is different.

When giving various colors to artificial stones, for example, in order to obtain a black one, only black ones of powder particles such as natural stone may be used, but reproducibility becomes a problem to obtain one of intermediate color tone. Moreover, even if it gives a color, it is not so easy to give the marble a unique luster.

Even when dyes and pigments are mixed with resins to give color, it is difficult to give shine and depth in the past.

On the other hand, in the artificial stone of this invention, a transparent thing can be mainly used as an inorganic aggregate. For example, a transparent inorganic aggregate obtained by pulverizing quartz-based natural stone, glass or molten silica can be used.

By using this transparent aggregate, the color of the artificial stone can be controlled, and the color can be made deep and glossy by the presence of the transparent quartz fine grain component.

In addition, in the luminous / luminescent artificial stone of the present invention, a filler which is much finer than this together with the aggregate, for example, a filler having a particle size of 0.1 mm or less and an average particle diameter of 30 μm or more and 70 μm or less is used as described above. As this filler, various things of natural or artificial are mentioned. For example, aluminum hydroxide, silica, glass powder and the like are preferable. These inorganic fillers have a relatively fine particle diameter compared to the above aggregates, and are located in such a way as to penetrate between the inorganic aggregates so that the space between the particles is very large. Contribute.

As a part of the filler, the components such as manganese dioxide, titanium dioxide, zirconium silicate and iron oxide for adjusting the color tone, and antimony trioxide, boron compound, and canceling compound for imparting flame retardancy You may add and mix.

Moreover, you may mix | blend an inorganic antibacterial agent. For example, antibacterial artificial stone is useful as floors, walls, handrails, etc. in bathrooms and toilets. It is also useful in medical facilities and food processing facilities.

As such an inorganic antimicrobial agent, it is a silver-type, zinc-type, copper type inorganic material, for example.

Regarding the resin, as described above, it can be selected in a wide range.

For example, acrylic resin, methacryl resin, unsaturated polyester resin, epoxy resin, silicone resin, silicone rubber, etc. are illustrated. Among them, methacrylic resins, epoxy resins, mixtures thereof, copolymerized resins thereof and the like are shown as preferable ones.

In order to adjust the color tone, such a resin may be blended with an azo or phthalocyanine-based organic pigment or dye.

Moreover, you may contain a light stabilizer, a flame retardant, etc.

The resin component has the function of enveloping these aggregates and fillers that form the skeleton of the artificial stone, and contributing to bonding the whole, and giving elasticity or tensile strength when the artificial stone is completed.

Regarding the resin component, the volume ratio can be up to about 70%. However, in consideration of characteristics such as strength as the artificial stone, durability, appearance of natural stone, color tone, non-slip performance, etc., More preferably, it is desirable to set it as 25vo1% or more and 35vo1% or less.

If the resin component is too large, the artificial stone product becomes plastic, and the artificial stone can no longer be seen. In addition, excessively reducing the resin component may increase the appearance of the product, which is close to the natural color of the product. However, the product may be soft and not suitable for use.

Regarding the resin component, according to the present invention, artificial resins having predetermined excellent luminous / luminescent artificial stone performance are realized with various resins, but hardness, weather resistance, chemical resistance, hardness, wear resistance, transparency, depth of color, etc. In the artificial stone for the required use, methacryl resin, especially MMA (methyl methacrylate) resin, is preferably used as a main component.

In addition, the artificial hard castability of the inorganic aggregate, the inorganic filler, and the resin as described above may be configured as a luminous / luminescent artificial stone having a high hardness soft composite material already proposed by the inventors of the present application.

In other words, the surface hardness is Vickers hardness (JIS Z 2244) of more than 400, the bending radius can be bent without breaking the artificial stone of R25mm or more in the plate of 3-15mm thickness.

This accounts for 50 vol% or more of the inorganic components including the inorganic aggregate, and less than 50vo1% of organic components such as resins. The main component of the organic component is methacrylate resin. More specifically, polymethyl methacrylate (PMMA), methyl methacrylate (MMA) monomer, 2-ethylhexyl methacrylate monomer, 2-ethylhexyl acrylate monomer, 2-ethylpentyl methacrylate It is shown that it is hardened | cured as the modified MMA resin by mix | blending 1 or more types of a monomer, a butyl methacrylate monomer, and a cyclohexyl methacrylate monomer.

Table 10 exemplifies the photoluminescent luminous performance, namely luminous properties of artificial stone in the case of various resins.

A crushed quartz product having a maximum particle diameter of 2.38 mm and an average particle diameter of 1.2 mm is used as an aggregate, and aluminum hydroxide having an average particle diameter of 40 µm is used as a filler, and a strontium aluminate-based phosphorescent material having an average particle diameter of 40 µm is used as a phosphorescent material. . The formulation is 50 vol% aggregate, 13 vol% filler, 5 vol% phosphorescent material, and 30 vol% resin. The thickness of the cured artificial stone is 5 mm.

Suzy Luminance after 1 hour of light irradiation (mcd / ㎡) Time to 3mcd / ㎡ MMA resin 58.72 12 hours Unsaturated Polyester (Dinith Ink Inc. `` FG208 '') 57.85 11 hours 30 minutes Modified MMA Resin (Mitsubishi Rayon Co., Ltd.``XD7005 '') 57.98 11 hours 45 minutes

Light irradiation… D65 200Lx, 60 minutes (more than saturation time) irradiation

In addition, in the luminous / luminescent artificial stone of the present invention, the luminous material may be baked or coated at room temperature with the luminous luminous material or the ultraviolet light emitting material.

In baking coating, the particle surface of the transparent aggregate is treated with a fine particle coating of several micrometers to several tens of micrometers, for example, 5-50 micrometers, more preferably about 20-40 micrometers. More specifically, the coating can be treated by baking at a high temperature of about 120 to 1200 ° C.

The light emitting material to be baked may be various materials emitting light by photoluminescence or ultraviolet irradiation such as strontium aluminate, zinc sulfide and the like.

Baking may be various methods known in the art, for example, a transparent inorganic aggregate may be mixed and dried in a dispersion in which powder particles of a photoluminescent material such as strontium aluminate or the like are dispersed, or may be dried and baked.

In the case of coating by room temperature coating, it is also coated by using a transparent adhesive substance (binder) in the dispersion or paste.

The luminous / luminescent artificial stone of the invention of the present application can be produced by pour-curing a raw material mixture or composition in a liquid or fluid phase.

Pour hardening can be carried out as cast molding, compression molding, continuous belt molding, or the like.

For example, in compression molding, a lower support type as a horizontal frame is used, a material in which an inorganic aggregate, a filler, and a resin component are blended in an amount necessary in the composition after molding is added in advance, and the upper molds are combined, and this is, for example, For example, compression molding is performed by pressing at a surface pressure of 5 to 100 kgf / cm 2. And in this shaping | molding, it can heat for about 5 minutes-several hours at the temperature of about 80-180 degreeC at the time of compression.

In addition, in this compression molding during heating, vibration can be applied to the mold at the same time as pressurization to improve the fluidity of the material in the mold.

Of course, the artificial stone in this invention is not limited to the flat shape as the actual product. The visually impaired guided projection shape or the projection shape may be provided on the surface, or may be configured as a step. Various other things are considered.

In the present invention, rough surface processing may be performed on the molded surface after molding by pour hardening.

As a method for this, first, the selective removal method of a resin component is employ | adopted. That is, for example, after demolding from the molding die, it is effective to spray high-pressure water on the surface of the molded article to perform surface processing as it is. That is, water jet processing.

In this waterjet processing, the surface hardness and surface strength of the material to be processed, the water pressure, the ejection nozzle diameter, the distance between the material surface and the nozzle ejection port, etc. to uniformly form a predetermined surface groove depth on the surface in response to this. Various conditions are selected. Although it is not limited, For example, it can be set as the water pressure of about 100-1500 kgf / cm <2> normally from the height of a nozzle about 5-50 mm.

There is no restriction | limiting in particular about the nozzle for ejecting high pressure water, or its system. Various things are adopted.

Roughening is realized by waterjet processing, for example, an artificial stone having non-slipness or deep texture is produced. Furthermore, it should be emphasized in the present invention that the artificial stone does not become cloudy by water jet processing.

The luminous / luminescent artificial stone of the present invention is important to have a non-slip performance, considering that it is applied to a passage or stairway where evacuation induction is required under a dark viewing environment such as a road, a station platform, or a staircase during a power failure. . Waterjet machining can impart this non-slip performance to the artificial stone.

The inventors of the present application have separately proposed the provision of this non-slip performance, but basically, an artificial stone containing an inorganic aggregate and a resin and having an uneven surface exposed by the inorganic aggregate, the average depth of the surface concave groove portion Is in the range of 0.02 mm or more and 1.0 mm or less, especially 0.05 mm or more and 0.8 mm or less.

As a result, the artificial stone containing inorganic aggregate and resin, and having an uneven surface exposed by the inorganic aggregate, characterized in that the sliding resistance BPN (ASTM E303) is 60 or more in the wet surface or 20 or more in the oil surface. Non-slip artificial stone, non-slip artificial stone, characterized in that the slip resistance BPN is more than 65 in the wet surface, 35 or more in the oil surface, and contains inorganic aggregates and resins, and has an uneven surface exposed to the inorganic aggregate Non-slip artificial stone, non-slip resistance CSR, characterized in that the non-slip artificial stone, characterized in that the wet surface is more than 0.8 in the wet surface in the case of gentle shoes with a weak sliding resistance (JIS A 5705, JIS A 1454 standard). Non-slip artificial stone, artificial aggregate containing inorganic aggregate and resin, and having uneven surface exposed by inorganic aggregate Non-slip artificial stone, characterized in that the sliding resistance value CSRB (based on JIS A5705, JIS A 1454) is more than 1.4 in the wet surface in the case of bare feet, non-slip resistance in which the sliding resistance value CSRB is 0.8 or more in the soap surface in the case of bare feet Non-slip artificial stone, which is an artificial stone containing inorganic aggregate and resin, and having an uneven surface to which the inorganic aggregate is exposed, wherein the contact angle of the surface in the case of distilled water is in the range of 45 to 7 ° on average. To make it available.

The cutting amount of the artificial stone surface in the waterjet processing differs depending on the type of inorganic aggregate or resin, such composition ratio, molding conditions, and the like, and can be appropriately determined while considering these points. From the standpoint of 1.0 mm, the goal is to be about 10 cm 2 / m 2 or more. For example, in the case of artificial stone using quartz as an inorganic aggregate and using MMA resin, the surface recess groove depth average is 0.05 mm, 30 to 38 cm 2 / m 2, and the average depth is 0.2 mm. It can aim at -92 cm <2> / m <2>.

Compared to the etching method using an organic solvent, the treatment of the waste liquid also becomes easier in water jet processing.                     

Of course, if necessary, the surface portion may be treated with an organic solvent, and the resin component may be softened or melted to partially remove it.

The organic solvent in this case may be selected corresponding to the resin component to be used, for example, halogenated hydrocarbons such as ethylene chloride, methylene chloride, chloroform, carboxylic acid such as acetic anhydride, ethyl acetate, butyl acetate and ester compounds thereof. Or acetone, tetrahydrofuran, DMF, DMSO and the like.

The artificial stone molded body can form surface irregularities by immersing in such an organic solvent or spraying or dripping this organic solvent to remove the softened or molten resin component from the surface portion.

Alternatively, a low hardness resin component may be removed from the surface portion by a wire brush, cutting means or the like.

In addition, by polishing the surface, the surface may be partially broken so that these particles are exposed to the surface portion of the product as a cross section. This realizes a unique depth and shiny surface texture. This is due to the unique reflection of light.

The means for surface polishing is not particularly limited, and may be carried out using tools such as a grindstone, abrasive cloth, abrasive belt, or an abrasive such as a buff polishing agent or a rubbing compound.

As the abrasive, diamond, boron carbide, corundum (corundum), alumina, zirconia, tripoly, dolomite, alumina, chromium oxide, cerium oxide and the like which are mainly used for polishing are suitably used.

After such polishing, the surface portion may be roughened.

A luminous / luminescent artificial stone product suitable for various uses is provided in the present invention by various molding methods or various processing methods such as cutting, cutting, joining, etching, etc. after imparting or not imparting the above non-slipness. Is provided by.

For example, various members and structures are provided for construction, civil engineering, and disaster prevention as a direction instruction or a location guide by light emission at night, a dark viewing environment, and the like. Needless to say, it is used as a light emitting member or photoconstruction for non-energy or energy saving.

In addition, there are points to be noted in the present invention.

For example, as illustrated in FIG. 1, after molding as the pour hardening is performed, a portion of a plate thickness thinner than the sheet thickness at the time of molding is cut out from the molded artificial stone 11, and the artificial stone 12 cut out is formed. The artificial stone 13 which was made into the product, and was processed also is included as the luminous / luminescent artificial stone of this invention.

As a matter of course, as shown in Fig. 1, the artificial stone 14 obtained by cutting the artificial stone 14 subjected to the non-slip processing to the artificial stone 11 after shaping into a thin board shape is also included in the artificial stone of the present invention. There is no.

In the invention of the present application, there is also provided a structure in which luminous / luminescent artificial stones are laminated as a surface material, and a structure in which luminous / luminescent artificial stones are formed as part of the surface.                     

As for the laminated structure, the luminous / luminescent artificial stone of the present invention is used as a surface material, and mechanically integrated by using a resin plate, a metal plate, a stone, a ceramic plate, a cement plate, or the like on the back side thereof, or by joining or fitting a metal member or the like. One is illustrated.

Alternatively, after pouring the luminous / luminescent artificial stone of the present invention or in a semi-cured state, an inorganic material such as mortar concrete or gypsum or a resin is formed as a backing material and formed by molding, or a tile, a plaster plate, a metal plate, glass, or the like. The artificial stone of the present invention is placed at predetermined intervals, and the artificial stone of the present invention is cast, and in the semi-cured state, tiles, gypsum board, metal plates, glass, etc. are arranged at predetermined intervals and compressed and cured. It is also illustrated.

As for the laminated structure, for example, as shown in FIG. 2 (A), the luminous / luminescent artificial stone 21 of the present invention is not only a different type of material 22 and a whole surface laminated type, but also FIG. 2. As shown in (B), various ones, such as one lattice-shaped and a multilayered structure, may be used.

As a part of the surface, the luminous / luminescent artificial stone is disposed through the joint, or the luminous / luminescent artificial stone 31 is buried only in a part of the end of the stairs as shown in FIG. As described above, an appropriate configuration, such as artificial stone having no luminous property as a base material or a concrete tile material formed by injecting the luminous / luminescent artificial stone 41 of the present invention into a predetermined position, is considered.

Hereinafter, the manufacturing examples of the luminous / luminescent artificial stone of the present invention will be described. Of course, this invention is not limited by the following examples.                     

(Example)

Example 1

Quartz (crushed product) having a maximum aggregate particle diameter of 2.5 mm and an average aggregate particle diameter of 0.5 mm is used as an inorganic aggregate, MMA resin is used for resin, and aluminum hydroxide having a particle diameter of 0.1 mm or less is used as a filler.

Quartz aggregate 47vol%

Resin 29vol%

Aluminum hydroxide 10vol%

(Average particle size 40㎛)

Luminous material 13vol%

(Strontium aluminate series: G-300C)

(Average particle size 40㎛)

The formulation was prepared so as to be. Each weight ratio

Quartz Aggregate 59wt%

15 wt% resin

Aluminum Hydroxide 9wt%

Phosphorescent material 14wt%

It was. A trace amount of silane coupling agent and hardening | curing agent were added to mix | blending.

A mixture, such as aggregate, as an MMA resin syrup was placed in a mold, and compression molded into a sheet having a thickness of 5 mm.                     

The obtained artificial stone was irradiated with the light of D65 commercial light source 200Lx for 60 minutes (saturation time or more). The luminance after 1 hour thereafter was 27.86 mcd / m 2, and the time until the attenuation at 3 mcd / m 2 was 14 hours and 30 minutes.

Example 2

After demolding, the artificial stone obtained in Example 1 was sprayed with a water jet at a pressure of 1500 kg / cm 2 by a nozzle from a distance of 30 mm to the surface thereof, and then roughened. As a result, an artificial stone having an average depth of surface recessed grooves of 0.2 mm was obtained.

Bending strength of this artificial stone was 90 N / cm, hardness was Mohs hardness 7 of aggregate quartz, and the water absorption was 0.

Moreover, abnormality was not recognized even by the acid resistance and alkali resistance test by immersion in 3% aqueous hydrochloric acid solution for 8 hours, and 3% sodium hydroxide aqueous solution for 8 hours.

The non-slip performance of this artificial stone was excellent as follows.

C.S.R.

   Wet Cotton 0.871

   Oil cotton 0.629

C.S.R.B. (barefoot)

   Wet noodles 1.465

   Soap Noodles 1.223

As a result of evaluating the luminescence performance in the same manner as in Example 1 for the artificial stone to which the non-slip performance was imparted, it was confirmed that the time until the attenuation at 3mcd / m 2 was hardly changed to 14 hours and 15 minutes.

As described above in detail, according to the invention of the present application, further improvement of optical characteristics such as enabling the photoluminescent emission to be sustained for a longer time under the control of artificial stone structure, and also very high quality and high performance Physical performance, for example, strength, surface hardness, wear resistance, weather resistance, non-slip performance, etc. can be imparted.

Claims (18)

A transparent aggregate having a particle size of 0.1 mm or more and having an artificial stone thickness of 1 / 1.5 or less at the time of pouring hardening and having an average particle diameter of 1/20 or more and 1/3 or less of the artificial stone thickness at the time of pouring curing. Inorganic fillers of less than mm and having an average particle diameter of 30 µm or more and 70 µm or less, and at least one of phosphorescent materials having an average particle diameter of 10 µm or more and 300 µm or less together with the resin, together with the resin, have a volume of the transparent aggregate. The ratio is 20% or more and 80% or less, and the volume ratio of the inorganic filler and the luminescent material or the luminescent material by ultraviolet light or a mixture thereof is 0 as the filler / luminescent material or the luminescent material by ultraviolet light or the mixture thereof. A luminous or luminous artificial stone comprising at least 100 or less, wherein the time from saturation by irradiation of D65 commercial light source 200Lx to 3mcd / m 2 is 12 hours or more. The luminous or luminous artificial stone according to claim 1, wherein the luminous performance is high at the artificial stone filling rate (vol%) lower than the maximum filling rate (vol%) of the phosphorescent material or ultraviolet light emitting material itself. delete The luminous or luminous artificial stone according to claim 1 or 2, wherein the particle size of the transparent aggregate is 0.3 mm or more. delete The luminous or luminous artificial stone according to claim 1 or 2, wherein the transparent aggregate has an irregular surface shape. delete The luminous or luminous artificial stone according to claim 1 or 2, wherein the phosphorescent material and the light emitting material by ultraviolet light have an average particle diameter of 40 µm or more and 150 µm or less, respectively. delete delete delete delete The luminous or luminescent artificial stone according to claim 1 or 2, wherein the transparent aggregate is quartz or quartz, and the filler is aluminum hydroxide or silica. The luminous or luminescent artificial stone according to claim 1 or 2, wherein the transparent aggregate is glass and the filler is silica or aluminum hydroxide. The non-transparent aggregate is included together with the transparent aggregate, and the particle size thereof is equal to or less than 1 / 1.5 of the artificial stone thickness at the time of artificial stone pouring hardening, and the total volume ratio of the transparent aggregate and the non-transparent aggregate is Luminous or luminous artificial stone, characterized in that more than 20% to 80% of artificial stone. delete A luminous or luminous artificial stone according to claim 1 or 2, wherein the luminous or luminous artificial stone is laminated as a surface material. delete

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