CN110724384A - Multipurpose noctilucent powder particle and preparation method thereof - Google Patents
Multipurpose noctilucent powder particle and preparation method thereof Download PDFInfo
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- CN110724384A CN110724384A CN201911078069.5A CN201911078069A CN110724384A CN 110724384 A CN110724384 A CN 110724384A CN 201911078069 A CN201911078069 A CN 201911078069A CN 110724384 A CN110724384 A CN 110724384A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2355/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2323/00 - C08J2353/00
- C08J2355/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a multipurpose noctilucent powder particle which comprises the following raw materials in percentage by mass: 50-95% of noctilucent powder and 5-50% of wax, wherein the noctilucent powder is alkaline earth aluminate system long-afterglow noctilucent powder, and the wax is any one of paraffin wax, beeswax, polypropylene wax, polyethylene wax, oxidized polyethylene wax or EVA wax. The multipurpose noctilucent powder particle provided by the technical scheme can be mixed with different types of plastics to prepare noctilucent products, has strong applicability, effectively reduces the contact between noctilucent powder and metal equipment, and reduces metal pollution; further, the preparation method of the multipurpose noctilucent powder particle is simple and strong in operability.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to multipurpose noctilucent powder particles and a preparation method thereof.
Background
Long afterglow luminescence is a photoluminescence phenomenon in which a substance can continuously emit light after irradiation of excitation light is stopped. The long afterglow luminescent material is called long afterglow material, also called luminous material (luminous powder). The luminous powder is a material which absorbs and stores the energy of the excitation light, slowly releases the stored energy in the form of light after the light excitation is stopped, and can emit light for several hours or even more than ten hours.
The luminous master powder is prepared by mixing the luminous powder and plastics, has wide application, can be used for preparing various luminous plastic products by methods such as injection molding, extrusion and the like, and then when the luminous master batch is prepared by the traditional process, the luminous powder which is one of the raw materials inevitably and the ferrous metal material have strong friction to generate metal pollution, so that the luminous master batch with good luminous effect cannot be obtained.
In the prior art, before noctilucent powder is rubbed with metal processing equipment by a production enterprise, the noctilucent powder is firstly wrapped by molten thermoplastic plastics and then extruded and granulated by adopting an extrusion process. Although the production method of the noctilucent master batch in the prior art can effectively reduce the metal pollution of the noctilucent powder, the noctilucent master batch of the plastic base material is limited by the processing temperature and the production mode of plastics, wherein the content of the noctilucent powder is difficult to exceed 40 percent of the noctilucent master batch, so that the luminous effect of the noctilucent master batch of the plastic base material is not ideal. Moreover, the application field of the plastic base material luminous master batch is limited, the plastic base material luminous master batch can only be mixed with the same kind of plastics to prepare a luminous product, when a certain plastic base material luminous master batch is mixed with different kinds of plastics to prepare the luminous product, the phenomena of layering and uneven dispersion of luminous powder can occur in the luminous product, and the production standard of the luminous product can not be reached.
Disclosure of Invention
The invention aims to provide multipurpose noctilucent powder particles which can be mixed with different types of plastics to prepare noctilucent products, have strong applicability, effectively reduce the contact between noctilucent powder and metal equipment, reduce metal pollution and overcome the defects in the prior art.
The invention also aims to provide a preparation method of the multipurpose noctilucent powder particles, which is simple and strong in operability.
In order to achieve the purpose, the invention adopts the following technical scheme:
the multipurpose noctilucent powder particle comprises the following raw materials in percentage by mass: 50-95% of noctilucent powder and 5-50% of wax, wherein the noctilucent powder is alkaline earth aluminate system long-afterglow noctilucent powder, and the wax is any one of paraffin wax, beeswax, polypropylene wax, polyethylene wax, oxidized polyethylene wax or EVA wax.
Preferably, the material comprises the following raw materials in percentage by mass: 70-90% of noctilucent powder and 10-30% of wax.
Preferably, the particle size of the noctilucent powder is 5-200 μm.
A preparation method of the multipurpose noctilucent powder particle comprises the following steps:
(a) melting: weighing noctilucent powder and wax according to the formula ratio, mixing, heating to 60-150 ℃, and stirring while heating until the noctilucent powder and the wax are completely melted and mixed;
(b) extruding: and (b) adding the mixture obtained in the step (a) into an extrusion granulator for extrusion granulation, and cooling and forming to obtain the multipurpose noctilucent powder particles.
5. The method for preparing multi-purpose luminous powder particles as claimed in claim 4, wherein the method comprises the following steps: in the step (b), the extrusion granulator is any one of a double-roller extrusion granulator, a single-screw extrusion granulator or a rotary extrusion granulator.
Preferably, the extrusion granulator is a pair-roller extrusion granulator, the obtained multipurpose noctilucent powder particles are spherical, and the diameter of the multipurpose noctilucent powder particles is 2-7 mm.
Preferably, the extrusion granulator is a single-screw extrusion granulator, the obtained multipurpose noctilucent powder particles are cylindrical, the diameter of the multipurpose noctilucent powder particles is 2-5 mm, and the length of the multipurpose noctilucent powder particles is 2-20 mm.
Preferably, the extrusion granulator is a rotary extrusion granulator, the obtained multipurpose noctilucent powder particles are cylindrical, the diameter of the multipurpose noctilucent powder particles is 2-5 mm, and the length of the multipurpose noctilucent powder particles is 2-20 mm.
The invention has the beneficial effects that: according to the multipurpose noctilucent powder particle provided by the technical scheme, the content of noctilucent powder in the noctilucent powder particle is high, and noctilucent products can be prepared after being mixed with different types of plastics; further, the preparation method of the multipurpose noctilucent powder particle is simple and strong in operability.
Detailed Description
The multipurpose noctilucent powder particle comprises the following raw materials in percentage by mass: 50-95% of noctilucent powder and 5-50% of wax, wherein the noctilucent powder is alkaline earth aluminate system long-afterglow noctilucent powder, and the wax is any one of paraffin wax, beeswax, polypropylene wax, polyethylene wax, oxidized polyethylene wax or EVA wax.
The melting temperature of the wax is low, the fluidity is high, and the processing mode is simple and easy to implement, so that the technical scheme adopts the wax as the base material of the noctilucent powder particles and can prepare noctilucent powder particles with high content of noctilucent powder. In addition, the raw materials such as paraffin, beeswax, polypropylene wax, polyethylene wax, oxidized polyethylene wax or EVA wax have smaller molecular weight, are commonly used dispersing agents and lubricating agents in various thermoplastic plastics, and the noctilucent powder particles prepared by taking the wax as the base material can effectively reduce the friction between noctilucent powder and processing equipment and have the advantages of being beneficial to dispersing the noctilucent powder, injection molding and demolding of products and the like.
Furthermore, the noctilucent powder particles of the high-content noctilucent powder taking wax as the base material are mixed with PP, PE, ABS, PVC, PC, PS or EVA and other plastics to prepare noctilucent products with good compatibility, so that the noctilucent powder can be easily and uniformly dispersed in the products, and the noctilucent products with high luminous brightness can be obtained.
It should be noted that, because the plastic base material luminous master batch is limited by the processing temperature and the production mode of the plastic, the content of the luminous powder is difficult to exceed 40%, and the technical scheme uses the wax as the base material of the luminous powder particles, so that the prepared luminous powder particles can exceed 40% of the total mass, and the luminous effect of the luminous product prepared by using the luminous powder particles is favorably improved.
Further, the feed comprises the following raw materials in percentage by mass: 70-90% of noctilucent powder and 10-30% of wax.
The noctilucent powder and the wax in the technical scheme are compounded according to the proportion, so that the metal pollution can be effectively reduced, and the luminous effect of a noctilucent product prepared by using the noctilucent powder and the wax is improved. If more wax is brought into the product in the formula content, the excessive wax has adverse effects on the plastic processing process, the product performance and the like during the preparation of the noctilucent product. When the content of the noctilucent powder in the formula is too much, metal pollution is easily caused, and the noctilucent powder cannot be bonded into noctilucent powder particles due to too little wax.
Furthermore, the particle size of the noctilucent powder is 5-200 μm.
A preparation method of the multipurpose noctilucent powder particle comprises the following steps:
(a) melting: weighing noctilucent powder and wax according to the formula ratio, mixing, heating to 60-150 ℃, and stirring while heating until the noctilucent powder and the wax are completely melted and mixed;
(b) extruding: and (b) adding the mixture obtained in the step (a) into an extrusion granulator for extrusion granulation, and cooling and forming to obtain the multipurpose noctilucent powder particles.
The noctilucent powder particles produced by using the wax as the base material can be melted and mixed at the temperature of 60-150 ℃, so that the energy loss in the production and preparation of the noctilucent powder particles is reduced, and the purpose of environment-friendly production is achieved.
In step (b), the extrusion granulator is any one of a twin-roll extrusion granulator, a single-screw extrusion granulator, or a rotary extrusion granulator.
Furthermore, the extrusion granulator is a double-roller extrusion granulator, the obtained multipurpose noctilucent powder particles are spherical, and the diameter of the multipurpose noctilucent powder particles is 2-7 mm.
Furthermore, the extrusion granulator is a single-screw extrusion granulator, the obtained multipurpose noctilucent powder particles are cylindrical, the diameter of the multipurpose noctilucent powder particles is 2-5 mm, and the length of the multipurpose noctilucent powder particles is 2-20 mm.
Furthermore, the extrusion granulator is a rotary extrusion granulator, the obtained multipurpose noctilucent powder particles are cylindrical, the diameter of the multipurpose noctilucent powder particles is 2-5 mm, and the length of the multipurpose noctilucent powder particles is 2-20 mm.
The technical solution of the present invention is further explained by the following embodiments.
Example group 1-a method for preparing multi-purpose luminous powder particles, comprising the following steps:
(a) melting: weighing noctilucent powder and wax according to the formula in the following table 1, mixing, heating to 100 ℃, and stirring while heating until the noctilucent powder and the wax are completely melted and mixed;
(b) extruding: and (b) adding the mixture obtained in the step (a) into an extrusion granulator for extrusion granulation, and cooling and forming to obtain the multipurpose noctilucent powder particles (hereinafter referred to as noctilucent particles).
TABLE 1 proportioning of raw materials of multipurpose luminous powder particles in example 1
The multipurpose noctilucent powder particles with different raw material formulas in the table 1 are mixed with ABS plastic to prepare noctilucent products, the obtained ABS noctilucent products are observed, and a conventional luminous effect test is carried out on the ABS noctilucent products, as shown in the following table 2:
table 2 results of performance testing of different ABS noctilucent articles of example set 1
As can be seen from the performance test results of the examples 1-2, 1-3, 1-4 and 1-5 and the examples 1-1 and 1-6, when the content of the noctilucent powder is too low and the content of the wax is too high, the prepared noctilucent product has poor luminous effect; when the content of the noctilucent powder is too much and the content of the wax is too little, noctilucent powder particles cannot be adhered, and metal pollution is serious. Therefore, the content of the noctilucent powder and the wax is strictly limited in the technical scheme, so that the metal pollution can be effectively reduced, and the luminous effect of the noctilucent product prepared by the noctilucent powder and the wax is improved.
Comparative example set 1-the formulation components of the multipurpose luminescent powder particles were changed according to the same preparation method conditions as in example 1, as shown in table 3 below:
TABLE 3 comparison example 1 multipurpose luminescent powder particles in each formula
The multipurpose noctilucent powder particles with different raw material formulas in the table 3 are respectively mixed with ABS plastic to prepare noctilucent products, the obtained ABS noctilucent products are observed, and a conventional luminous effect test is carried out on the ABS noctilucent products, as shown in the following table 4:
TABLE 4 Performance test results for different ABS night-luminous articles of comparative example group 1
| Performance testing | Visual observation results | Test of luminous effect |
| Comparative examples 1 to 1 | No delamination and uniform dispersion of noctilucent particles | Has excellent luminous effect |
| Comparative examples 1 to 2 | No delamination and uniform dispersion of noctilucent particles | Has excellent luminous effect |
| Comparative examples 1 to 3 | No delamination and uniform dispersion of noctilucent particles | Has excellent luminous effect |
| Comparative examples 1 to 4 | No delamination and uniform dispersion of noctilucent particles | Has excellent luminous effect |
| Comparative examples 1 to 5 | No delamination and uniform dispersion of noctilucent particles | Has excellent luminous effect |
As can be seen from the performance test results of the examples 1-3 and the comparative example group 2, the wax types defined in the technical scheme have good compatibility with the noctilucent products prepared by using the wax types, and have high applicability.
Comparative example set 2-luminescent articles were prepared using the raw material components of the existing luminescent powder particles according to the same preparation method as in example 1, as shown in table 5 below:
TABLE 5 comparative example set 2 multipurpose luminescent powder particles formulation components
The multipurpose noctilucent powder particles with different raw material formulas in the table 5 are respectively mixed with ABS plastic to prepare noctilucent products, the obtained ABS noctilucent products are observed, and the conventional luminous effect test is carried out on the ABS noctilucent products, as shown in the following table 6:
TABLE 6 Performance test results for different ABS night light articles of comparative example group 2
| Performance testing | Visual observation results | Test of luminous effect |
| Comparative example 2-1 | Layering and uneven dispersion of noctilucent particles | Poor luminous effect |
| Comparative examples 2 to 2 | Layering and uniform dispersion of noctilucent particles | Poor luminous effect |
| Comparative examples 2 to 3 | No layering and uniform dispersion of noctilucent particles | Good luminous effect |
As can be seen from the test results in tables 4 and 6, when the noctilucent particles prepared by using wax as the base material are mixed with ABS plastic to prepare the noctilucent product, the obtained ABS noctilucent product is not layered, and the noctilucent particles are uniformly dispersed and have excellent luminous effect; when the luminous particles prepared by taking the ABS plastic as the base material are mixed with the ABS plastic to prepare the luminous product, the obtained ABS luminous product is not layered, but the luminous particles are not dispersed uniformly, and the luminous effect is better. However, when the noctilucent particles prepared by taking polypropylene or polyethylene plastic as a base material are mixed with ABS plastic to prepare a noctilucent product, the obtained ABS noctilucent product has a layering phenomenon, and the noctilucent product with uneven dispersion of noctilucent particles and poor luminous effect is obtained.
Therefore, the noctilucent particles prepared by the technical scheme can be mixed with different types of plastics to prepare noctilucent products, the noctilucent products have high applicability, the noctilucent products prepared by the noctilucent powder particles cannot be layered, the noctilucent powder particles in the noctilucent products can be uniformly dispersed, and the luminous effect is good.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The multipurpose noctilucent powder particle is characterized by comprising the following raw materials in percentage by mass: 50-95% of noctilucent powder and 5-50% of wax, wherein the noctilucent powder is alkaline earth aluminate system long-afterglow noctilucent powder, and the wax is any one of paraffin wax, beeswax, polypropylene wax, polyethylene wax, oxidized polyethylene wax or EVA wax.
2. The multipurpose noctilucent powder particle as claimed in claim 1, which is characterized by comprising the following raw materials in percentage by mass: 70-90% of noctilucent powder and 10-30% of wax.
3. The multi-purpose luminous powder particle as claimed in claim 2, wherein: the particle size of the noctilucent powder is 5-200 mu m.
4. A preparation method of the multipurpose luminous powder particles as claimed in any one of claims 1 to 3, characterized by comprising the following steps:
(a) melting: weighing noctilucent powder and wax according to the formula ratio, mixing, heating to 60-150 ℃, and stirring while heating until the noctilucent powder and the wax are completely melted and mixed;
(b) extruding: and (b) adding the mixture obtained in the step (a) into an extrusion granulator for extrusion granulation, and cooling and forming to obtain the multipurpose noctilucent powder particles.
5. The method for preparing multi-purpose luminous powder particles as claimed in claim 4, wherein the method comprises the following steps: in the step (b), the extrusion granulator is any one of a double-roller extrusion granulator, a single-screw extrusion granulator or a rotary extrusion granulator.
6. The method for preparing multi-purpose luminous powder particles as claimed in claim 5, wherein the method comprises the following steps: the extrusion granulator is a pair-roller extrusion granulator, the obtained multipurpose noctilucent powder particles are spherical, and the diameter of the multipurpose noctilucent powder particles is 2-7 mm.
7. The method for preparing multi-purpose luminous powder particles as claimed in claim 5, wherein the method comprises the following steps: the extrusion granulator is a single-screw extrusion granulator, the obtained multipurpose noctilucent powder particles are cylindrical, the diameter of the multipurpose noctilucent powder particles is 2-5 mm, and the length of the multipurpose noctilucent powder particles is 2-20 mm.
8. The method for preparing multi-purpose luminous powder particles as claimed in claim 5, wherein the method comprises the following steps: the extrusion granulator is a rotary extrusion granulator, the obtained multipurpose noctilucent powder particles are cylindrical, the diameter of the multipurpose noctilucent powder particles is 2-5 mm, and the length of the multipurpose noctilucent powder particles is 2-20 mm.
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Cited By (1)
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| CN114634637A (en) * | 2022-03-02 | 2022-06-17 | 江苏普莱克红梅色母料股份有限公司 | Noctilucent master batch for polypropylene non-woven fabric and preparation method and application thereof |
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