CN105778616A - Color change indication device and transparent ink - Google Patents
Color change indication device and transparent ink Download PDFInfo
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- CN105778616A CN105778616A CN201610104043.3A CN201610104043A CN105778616A CN 105778616 A CN105778616 A CN 105778616A CN 201610104043 A CN201610104043 A CN 201610104043A CN 105778616 A CN105778616 A CN 105778616A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/14—Printing inks based on carbohydrates
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/80—Indicating pH value
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- Inks, Pencil-Leads, Or Crayons (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention relates to a color change indication device and transparent ink.The color change indication device comprises a substrate layer and an indication layer formed on the surface of the substrate layer.The indication layer comprises an indication portion.The indication portion is formed by printing indication ink.The color change indication device further comprises a protective layer covering the surface of the indication portion.The protective layer is formed by printing transparent ink.The transparent ink comprises volatile acid, an adhesion agent and a solvent.The indication ink comprises volatile acid, the adhesion agent, the solvent and a pH indicator.The volatile acid is carboxylic acid.The adhesion agent is selected from at least one of polyvinyl butyral, nitro-cotton, polyvinyl alcohol, hydroxyethyl cellulose and hydroxyl propyl cellulose.The solvent is the alcohol solvent.The pH value of the transparent ink is the same as that of the indication ink.The concentration of the volatile acid in the transparent ink is the same as that of the volatile acid in the indication ink.The color change indication device can effectively avoid deviation of the pH value of the indication portion.
Description
Technical field
The present invention relates to a kind of complexion changed instruction device and transparent ink.
Background technology
General product all has useful life or shelf-life, especially the product of the mutation matter such as food, beverage and medicine is susceptible to putrid and deteriorated when storing, in order to reduce oxygen in packaging, avoid under oxygen atmosphere rotten, generally adopt vacuum packaging or controlled atmospheric packing, and in outer package, print the date of production and shelf-life judge for whether people are expired to.But, as fruit product packaging is opened or begins to use, how effectively to record and open or the use time is particularly important.
Existing complexion changed instruction device includes basal layer, it is formed at marker and the protective layer of described substrate surface, described marker includes instruction unit and reference section, protective layer is covered in instruction unit surface so that instruction unit to be protected, instruction unit generally includes described volatile acid, binding agent and pH indicator, along with product uses the increase of time, volatile acid can progressively volatilize in prolongation over time, the pH value causing instruction unit is continually changing in time, thus the color that pH indicator shows can produce change, color according to instruction unit may determine that use time or the opening time of product with reference section contrast.
In order to avoid protective layer is on the impact with instruction unit variable color; generally select the pH value material in neutrality as the material of protective layer; such as thermoprint anodized aluminium, but, the pH value of thermoprint anodized aluminium is not in neutrality; and owing to the instruction unit at volatile acid place is acid; both pH values are also inconsistent, and therefore, the pH value of instruction unit can be had a negative impact by protective layer; cause that deviation occurs in complexion changed instruction device indicating effect, even therefore lost efficacy.
Summary of the invention
Based on this, it is necessary to provide complexion changed instruction device and the transparent ink of a kind of pH value generation deviation that can be prevented effectively from instruction unit.
nullA kind of complexion changed instruction device，Described complexion changed instruction device includes basal layer、It is formed at the marker of described substrate surface，Described marker includes instruction unit，Described instruction unit is formed by indicating ink printing，Described complexion changed instruction device also includes the protective layer being covered in described instruction unit surface，Described protective layer is formed by transparent ink printing，Described transparent ink includes volatile acid、Binding agent and solvent，Described instruction ink includes described volatile acid、Described binding agent、Described solvent and pH indicator，Described volatile acid is carboxylic acid，Described binding agent is selected from polyvinyl butyral resin、Nitrocotton、Polyvinyl alcohol、At least one in hydroxyethyl cellulose and hydroxypropyl cellulose，The pH value of described transparent ink is identical with the pH value of described instruction ink，And the concentration of volatile acid is identical with the concentration of volatile acid described in described instruction ink described in described transparent ink.
Wherein in an embodiment, described transparent ink also includes plasticizer, and described instruction ink also includes described plasticizer, described plasticizer at least one in glycerol, diisodecyl adipate (DIDA), tributyl phosphate and dimethyl phthalate；Described pH indicator at least one in m-cresol purple, thymolphthalein, o-cresolphthalein, bromthymol blue, cresol red, cetyltrimethyl ammonium cation, dimethyl diaminophenazine chloride, phenol red, rhodamine, Sulforhodamine 101 and thymol blue.
Wherein in an embodiment, described carboxylic acid is at least one in the carboxylic acid of 2～12 selected from carbon number.
Wherein in an embodiment, described transparent ink includes the described plasticizer of the described volatile acid of 2 parts～20 parts, the described binding agent of 30 parts～50 parts, the described solvent of 40 parts～70 parts and 1 part～5 parts by mass percentage；Described instruction ink includes the pH indicator of the described volatile acid of 2 parts～20 parts, the described binding agent of 30 parts～50 parts, the described solvent of 40 parts～70 parts, the described plasticizer of 1 part～5 parts and 0.1 part～5 parts by mass percentage.
Another kind of complexion changed instruction device, described complexion changed instruction device includes basal layer, it is formed at the marker of described substrate surface, described marker includes instruction unit, described complexion changed instruction device also includes the protective layer being covered in described instruction unit surface, described protective layer includes volatile acid and binding agent, described instruction unit includes described volatile acid, described binding agent and pH indicator, described volatile acid is carboxylic acid, described binding agent is selected from polyvinyl butyral resin, nitrocotton, polyvinyl alcohol, at least one in hydroxyethyl cellulose and hydroxypropyl cellulose, the pH value of described protective layer is identical with the pH value of described instruction unit, and the concentration of volatile acid is identical with the concentration of volatile acid described in described instruction unit described in described protective layer.
Wherein in an embodiment, described variable color instruction device also includes the sealing coat being covered in described protective layer and the barrier layer being formed at described insulation surface.
nullA kind of transparent ink，Described transparent ink is for complexion changed instruction device，Described complexion changed instruction device includes basal layer、It is formed at the marker of described substrate surface，Described marker includes instruction unit，Described instruction unit is formed by the instruction ink printing containing volatile acid，Described complexion changed instruction device also includes the protective layer being covered in described instruction unit surface，Described protective layer is formed by transparent ink printing，Described transparent ink includes volatile acid、Binding agent and solvent，Described volatile acid is carboxylic acid，Described binding agent is selected from polyvinyl butyral resin、Nitrocotton、Polyvinyl alcohol、At least one in hydroxyethyl cellulose and hydroxypropyl cellulose，The pH value of described transparent ink is identical with the pH value of described instruction ink，And the concentration of volatile acid is identical with the concentration of volatile acid described in described instruction ink described in described transparent ink.
Wherein in an embodiment, at least one in described solvent selected from methanol, ethanol, acetone and ethyl acetate.
Wherein in an embodiment, described transparent ink also includes plasticizer, described plasticizer at least one in glycerol, diisodecyl adipate (DIDA), tributyl phosphate and dimethyl phthalate.
Wherein in an embodiment, described transparent ink includes the described plasticizer of the described volatile acid of 2 parts～10 parts, the described binding agent of 30 parts～50 parts, the described solvent of 40 parts～70 parts and 1 part～5 parts by mass percentage.
Above-mentioned transparent ink and complexion changed instruction device; the instruction unit of complexion changed instruction device is formed by the instruction ink printing containing volatile acid; the protective layer being covered in instruction unit is formed by transparent ink printing; the pH value of transparent ink is identical with instruction ink, and the pH value of instruction unit will not be produced impact by protective layer；And the concentration of volatile acid is identical with the concentration of volatile acid in instruction ink in transparent ink; in use; the volatilization Tong Bu with the volatile acid of instruction unit of the volatile acid of protective layer; the pH value of protective layer changes along with instruction unit one; avoid the pH value of instruction unit is interfered, it is thus possible to be prevented effectively from the pH value generation deviation of instruction unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the complexion changed instruction device of an embodiment.
Detailed description of the invention
Device is indicated to be described in further detail transparent ink and complexion changed mainly in combination with specific embodiment and accompanying drawing below.
Referring to Fig. 1, the complexion changed instruction device 100 of an embodiment includes basal layer 10, marker 20, protective layer 30, sealing coat 40, release layer the 50, first adhesive layer 60, barrier layer the 70, second adhesive layer 80 and peel ply 90.
Basal layer 10 is used for carrying marker 20.Basal layer 10 has good air-tightness, it is possible to stop gas permeation basal layer 10.The material of basal layer 10 is aluminium oxide, polyethylene, polypropylene, polyethylene terephthalate or polyethylene terephthalate.Certainly, it is necessary to explanation, the material of basal layer 10 is not limited to above-mentioned material, and other have good transparent and bubble-tight material and can serve as the material of basal layer 10.The thickness of basal layer 10 is 0.1mm～0.3mm.
Marker 20 is formed at a side surface of basal layer 10.In the illustrated embodiment, marker 20 includes instruction unit 21 and reference section 23, and instruction unit 21 is positioned at the central authorities of reference section 23.Instruction unit 21 is formed by instruction ink printing.The thickness of instruction unit 21 is 0.001mm～0.2mm.
Instruction ink is according to mass fraction meter, including following components:
The volatile acid of 2 parts～20 parts；
The binding agent of 30 parts～50 parts；
The solvent of 40 parts～70 parts；
The plasticizer of 1 part～5 parts；And
The pH indicator of 0.1 part～5 parts.
Wherein, volatile acid is carboxylic acid, it is preferred to carbon number is at least one in the carboxylic acid of 2～12.It is further preferred that at least one that volatile acid is in acetic acid, propanoic acid and butanoic acid, certainly, the more carboxylic acid of other carbon numbers can also.
Binding agent at least one in polyvinyl butyral resin (PVB), nitrocotton (NC), polyvinyl alcohol (PVA), hydroxyethyl cellulose (HEC) and hydroxypropyl cellulose (HPC).
In one embodiment, solvent is alcohols solvent, in another embodiment, and at least one in solvent selected from methanol, ethanol, acetone and ethyl acetate.Certainly, other can dissolve binding agent and with volatile acid, there is the volatile solvent of affinity can.
Plasticizer at least one in glycerol, diisodecyl adipate (DIDA), tributyl phosphate and dimethyl phthalate.It should be noted that plasticizer plays the viscosity and flexible effect that increase transparent ink, plasticizer can omit.It should be noted that the content of plasticizer can change the color change cycle of instruction ink, plasticizer loading is high, and color change cycle is short, and plasticizer loading is low, and color change cycle is long.
PH indicator at least one in m-cresol purple, thymolphthalein, o-cresolphthalein, bromthymol blue, cresol red, cetyltrimethyl ammonium cation, dimethyl diaminophenazine chloride, phenol red, rhodamine, Sulforhodamine 101 and thymol blue.Should be appreciated that other also can as the pH value indicator of the present invention to the pH value sensitive dye of faintly acid range-sensitive from alkalescence to pH value.
Time prepared by instruction ink, it is sufficiently stirred for after each component is mixed.
Instruction ink printing is dried, and solvent volatilizees, and other curing components form instruction unit 21.Instruction unit 21 counts the volatile acid including 1 part～15 parts by weight；The binding agent of 30 parts～50 parts；The pH indicator of the plasticizer of 1 part～5 parts and 0.1 part～5 parts.Instruction unit 21 is in the process used, As time goes on volatile acid constantly volatilizees, thus the pH value of instruction unit 21 constantly changes, the color that pH indicator shows also between change, until the concentration of the volatile acid in use environment reaches balance or volatile acid volatilization is complete, the color that now pH indicator shows no longer changes.Owing to the evaporation rate of volatile acid can measure, by consistent with the effect duration of product for the set of time of volatilization completely of volatile acid, thus the color shown according to pH indicator i.e. instruction unit 21 may determine that the time of use, or the time of use is either with or without the effect duration beyond product.
Reference section 23 is formed by common ink printing, there is the color that at least two is fixing, for contrasting with instruction unit 21, so that user can be clear and definite know the present initial color (just beginning to use) of instruction unit 21 or be in terminal color (response time is the longest, beyond keeping life), certainly preferred, reference section 23 also includes Neutral colour, thus consumer may determine that the use time of product by contrasting color.Three kinds of different colours of reference section 23 are arranged ringwise around instruction unit 21, and namely reference section 23 is annular, including three different color regions.The thickness of reference section 23 is 0.001mm～0.01mm.
It should be noted that instruction unit 21 can also be positioned at the periphery of reference section 23 or marker 20 only includes instruction unit 21, colorimetric card additionally providing reference section etc. is all passable.
In the illustrated embodiment, protective layer 30 covers the surface of instruction unit 21.Certainly, in other embodiments, protective layer 30 can also cover the reference section 23 of marker 20.Protective layer 30 is formed by transparent ink printing.Transparent ink is according to mass fraction meter, including following components:
The volatile acid of 2 parts～20 parts；
The binding agent of 30 parts～50 parts；
The solvent of 40 parts～70 parts；And
The plasticizer of 1 part～5 parts.
Wherein, volatile acid is carboxylic acid, it is preferred at least one in the carboxylic acid that carbon number is 2～12.It is further preferred that at least one that volatile acid is in acetic acid, propanoic acid and butanoic acid, certainly, the more carboxylic acid of other carbon numbers can also.
Binding agent at least one in polyvinyl butyral resin (PVB), nitrocotton (NC), polyvinyl alcohol (PVA), hydroxyethyl cellulose (HEC) and hydroxypropyl cellulose (HPC).
In one embodiment, solvent is alcohols solvent, in another embodiment, and at least one in solvent selected from methanol, ethanol, acetone and ethyl acetate.Certainly, other can dissolve binding agent and with volatile acid, there is the volatile solvent of affinity can.
Plasticizer at least one in glycerol, diisodecyl adipate (DIDA), tributyl phosphate and dimethyl phthalate.It should be noted that plasticizer plays the viscosity and flexible effect that increase transparent ink, plasticizer can omit.
The pH value of transparent ink is identical with the pH value of instruction ink, and in transparent ink, the concentration of volatile acid is identical with the concentration of volatile acid in instruction ink.It is further preferred that in transparent ink and instruction ink except pH indicator, other each component raw material and mass fraction are all identical, and difference is only that in transparent ink do not contain pH indicator.
Time prepared by transparent ink, by each component mix homogeneously.
Transparent ink printing is dried, and solvent volatilizees, and other curing components form protective layer 30.The volatile acid including 1 part～15 parts counted by weight by protective layer 30；The binding agent of 30 parts～50 parts；The plasticizer of 1 part～5 parts.The thickness of protective layer 30 is 0.001mm～0.2mm.
Sealing coat 40 is formed at the surface of protective layer 30.Protective layer 30 and reference section 23 are played a protective role by sealing coat 40, and water white transparency has good breathability.In use, sealing coat 40 is in the outermost layer of complexion changed instruction device 100, plays two aspect effects, and first, stop contained not food safe composition and direct body contact in protective layer；Second, reduce the negative effect that instruction ink is caused by external environment condition (air flowing and human contact).Sealing coat 40 can pass through to print or be coated with solvent-borne type colloid to prepare, and forms air-vent, thus sealing coat 40 has good breathability after the solvent volatilization in solvent-borne type colloid.Preferably, the material of sealing coat 40 at least one in polyvinyl butyral resin (PVB), polyvinyl alcohol (PVA), hydroxyethyl cellulose (HEC) and hydroxypropyl cellulose (HPC).The thickness of sealing coat 40 is 0.001mm～0.2mm.
Release layer 50 covers the surface of the instruction unit 23 of marker 20.The material of release layer 50 is polyvinyl alcohol, silicone oil, silicone grease, liquid or emulsifying paraffin wax etc..First adhesive layer 60 is formed at the surface of release layer 50.The material of the first adhesive layer 60 is selected from acrylic resin, polyurethane or other adhesive.By the mode only arranged in this local of the surface configuration release layer 50 of instruction unit 23, it is possible to reduce the cohesive force between the first adhesive layer 60 and marker 23.The thickness of release layer 50 is 0.001mm～0.1mm.The thickness of the first adhesive layer 60 is 0.01mm～0.1mm.
Barrier layer 70 covers the surface of the first adhesive layer 60 and sealing coat 40, and adheres to the surface of the first adhesive layer 60.Barrier layer 70 has good air-tightness; outside air can be stoped to pass through sealing coat 40 and to enter protective layer 30; the volatile acid that can also stop protective layer 30 and instruction unit 21 volatilizees from inside; make complexion changed instruction device 100 temporarily in a dormant state; when barrier layer 70 and the first adhesive layer 60 are from after being stripped release layer 50, complexion changed instruction device 100 is activated.The material of barrier layer 70 is aluminium oxide, polyethylene, polypropylene, polyethylene terephthalate or polyethylene terephthalate.The thickness of barrier layer 70 is 0.05mm～0.3mm.
Second adhesive layer 80 is formed at the basal layer 10 side surface away from marker 20.Second adhesive layer 80 is for indicating device 100 to stick to the surface of other article complexion changed.The material of the second adhesive layer 80 is selected from acrylic resin, polyurethane or other adhesive.The thickness of the second adhesive layer 80 is 0.01mm～0.1mm.
Peel ply 90 sticks to the surface of the second adhesive layer 80.Preferably, peel ply 90 is the cellophane of silicate-containing oil, such that it is able to by the peel ply 90 sur-face peeling from the second adhesive layer 80.The thickness of peel ply 90 is 0.1mm～0.3mm.
Above-mentioned transparent ink and complexion changed instruction device; the instruction unit of complexion changed instruction device is formed by the instruction ink printing containing volatile acid; the protective layer being covered in instruction unit is formed by transparent ink printing; the pH value of transparent ink is identical with instruction ink, and the pH value of instruction unit will not be produced impact by protective layer；And the concentration of volatile acid is identical with the concentration of volatile acid in instruction ink in transparent ink; in use; the volatilization Tong Bu with the volatile acid of instruction unit of the volatile acid of protective layer; the pH value of protective layer changes along with instruction unit one; avoid the pH value of instruction unit is interfered, it is thus possible to be prevented effectively from the pH value generation deviation of instruction unit.
It should be noted that sealing coat 40, release layer the 50, first adhesive layer 60 and barrier layer 70 all can omit, complexion changed now indicates device 100 store and seals bag or adopt other modes to seal to preserve；Second adhesive layer 80 and peel ply 90 can omit, and complexion changed now indicates device 100 be fixed on product or together with product by other means and places.
Hereinafter, it is described in detail in conjunction with specific embodiments.
Embodiment 1
The complexion changed instruction apparatus structure of embodiment 1 is as it is shown in figure 1, include basal layer 10, marker 20, protective layer 30, sealing coat 40, release layer the 50, first adhesive layer 60, barrier layer the 70, second adhesive layer 80 and peel ply 90.
Wherein, the material of basal layer 10 is PET, and thickness is 0.1mm；Marker 20, protective layer 30, sealing coat 40 material be polyvinyl butyral resin (PVB), thickness is 0.02mm；The material of release layer 50 is silicone oil, and thickness is 0.01mm；The material of the first adhesive layer 60 is acrylic resin, and thickness is 0.01mm；The material of barrier layer 70 is polyethylene terephthalate, and thickness is 0.05mm；The material of the second adhesive layer 80 is acrylic resin, and thickness is 0.01mm；The material of peel ply 90 is the cellophane containing silicone oil, and thickness is 0.1mm.
The instruction unit 21 of marker 20 is formed by instruction ink coating, the preparation of instruction ink includes taking 30 grams of polyvinyl butyral resin PVB (binding agent), join in the ethanol (solvent) of 70g, stirring, rear add the acetic acid (volatile acid) and the Bromothymol blue (pH indicator) of 6g tributyl phosphate (plasticizer), 3g that 5g mass concentration is 30%, be sufficiently stirred for.The reference section 23 of marker 20 comprises yellow, grass green and blue three kinds of colors.The thickness of marker is 0.08mm.
Protective layer 30 is formed by transparent ink coating; the preparation of transparent ink includes: take 30 grams of polyvinyl butyral resin PVB (binding agent); join in the ethanol (solvent) of 70g; stirring; rear addition 5g mass concentration is acetic acid (volatile acid) and the 6g tributyl phosphate (plasticizer) of 30%, is sufficiently stirred for.The thickness of protective layer 30 is 0.08mm.
Directly printing instruction ink on the surface of basal layer 10 and obtain the instruction unit that thickness is 0.08mm, testing its color change cycle is 10 days.
After tested, the color change cycle of complexion changed instruction device is 15 days.After increasing protective layer 30, not only instruction device did not lose efficacy, and obtained the longer instruction cycle on the contrary, illustrates that complexion changed is indicated the instruction unit of device to have no adverse effect by protective layer 30, is avoided that instruction unit lost efficacy.
Embodiment 2
The complexion changed instruction apparatus structure of embodiment 2 is as it is shown in figure 1, include basal layer 10, marker 20, protective layer 30, sealing coat 40, release layer the 50, first adhesive layer 60, barrier layer the 70, second adhesive layer 80 and peel ply 90.
Wherein, the material of basal layer 10 is polyethylene terephthalate, and thickness is 0.15mm；Marker 20, protective layer 30, sealing coat 40 material be polyvinyl alcohol (PVA), thickness is 0.05mm；The material of release layer 50 is polyvinyl alcohol, and thickness is 0.015mm；The material of the first adhesive layer 60 is polyurethane, and thickness is 0.05mm；The material of barrier layer 70 is polyethylene terephthalate, and thickness is 0.1mm；The material of the second adhesive layer 80 is acrylic resin, and thickness is 0.05mm；The material of peel ply 90 is the cellophane of silicate-containing oil, and thickness is 0.2mm.
The instruction unit 21 of marker 20 is formed by instruction ink coating, the preparation of instruction ink includes taking 30 grams of polyvinyl butyral resin PVB (binding agent), join in the ethanol (solvent) of 70g, stirring, the rear propanoic acid (volatile acid) adding 8g and 6g glycerol (plasticizer), phenol red (the pH indicator) of 3g, is sufficiently stirred for.The reference section 23 of marker 20 comprises yellow, pale red and dark red three kinds of colors.The thickness of marker is 0.1mm.
Protective layer 30 is formed by transparent ink coating; the preparation of transparent ink includes: take 30 grams of polyvinyl butyral resin PVB (binding agent); join in the ethanol (solvent) of 70g; stirring; the rear propanoic acid (volatile acid) adding 8g and 6g glycerol (plasticizer), be sufficiently stirred for.The thickness of protective layer 30 is 0.1mm.
Directly printing instruction ink on the surface of basal layer 10 and obtain the instruction unit that thickness is 0.1mm, testing its color change cycle is 12 days.
After tested, the color change cycle of complexion changed instruction device is 18 days.After increasing protective layer 30, not only instruction device did not lose efficacy, and obtained the longer instruction cycle on the contrary, illustrates that complexion changed is indicated the instruction unit of device to have no adverse effect by protective layer 30, is avoided that instruction unit lost efficacy.
Embodiment 3
The complexion changed instruction apparatus structure of embodiment 3 is as it is shown in figure 1, include basal layer 10, marker 20, protective layer 30, sealing coat 40, release layer the 50, first adhesive layer 60, barrier layer the 70, second adhesive layer 80 and peel ply 90.
Wherein, the material of basal layer 10 is alumina foil, and thickness is 0.1mm；Marker 20, protective layer 30, sealing coat 40 material be hydroxyethyl cellulose (HEC), thickness is 0.07mm；The material of release layer 50 is emulsified wax, and thickness is 0.02mm；The material of the first adhesive layer 60 is acrylic resin, and thickness is 0.02mm；The material of barrier layer 70 is polypropylene, and thickness is 0.15mm；The material of the second adhesive layer 80 is polyurethane, and thickness is 0.08mm；The material of peel ply 90 is the cellophane containing polyvinyl alcohol, and thickness is 0.2mm.
The instruction unit 21 of marker 20 is formed by instruction ink coating, the preparation of instruction ink includes taking 30 grams of polyvinyl butyral resin PVB (binding agent), join in the ethanol (solvent) of 70g, stirring, the bromocresol purple (pH indicator) of the rear butanoic acid (volatile acid) adding 5g and 6g dimethyl phthalate (plasticizer), 3g, is sufficiently stirred for.The reference section 23 of marker 20 comprises yellow, grass green and three kinds of colors of darkviolet.The thickness of marker is 0.12mm.
Protective layer 30 is formed by transparent ink coating; the preparation of transparent ink includes: take 30 grams of polyvinyl butyral resin PVB (binding agent); join in the ethanol (solvent) of 70g; stirring; the rear butanoic acid (volatile acid) adding 5g and 6g dimethyl phthalate (plasticizer), be sufficiently stirred for.The thickness of protective layer 30 is 0.12mm.
Directly printing instruction ink on the surface of basal layer 10 and obtain the instruction unit that thickness is 0.12mm, testing its color change cycle is 15 days.
After tested, the color change cycle of complexion changed instruction device is 23 days.After increasing protective layer 30, not only instruction device did not lose efficacy, and obtained the longer instruction cycle on the contrary, illustrates that complexion changed is indicated the instruction unit of device to have no adverse effect by protective layer 30, is avoided that instruction unit lost efficacy.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
- null1. a complexion changed instruction device，Described complexion changed instruction device includes basal layer、It is formed at the marker of described substrate surface，Described marker includes instruction unit，Described instruction unit is formed by indicating ink printing，Described complexion changed instruction device also includes the protective layer being covered in described instruction unit surface，Described protective layer is formed by transparent ink printing，It is characterized in that，Described transparent ink includes volatile acid、Binding agent and solvent，Described instruction ink includes described volatile acid、Described binding agent、Described solvent and pH indicator，Described volatile acid is carboxylic acid，Described binding agent is selected from polyvinyl butyral resin、Nitrocotton、Polyvinyl alcohol、At least one in hydroxyethyl cellulose and hydroxypropyl cellulose，The pH value of described transparent ink is identical with the pH value of described instruction ink，And the concentration of volatile acid is identical with the concentration of volatile acid described in described instruction ink described in described transparent ink.
- 2. complexion changed according to claim 1 instruction device, it is characterized in that, described transparent ink also includes plasticizer, and described instruction ink also includes described plasticizer, described plasticizer at least one in glycerol, diisodecyl adipate (DIDA), tributyl phosphate and dimethyl phthalate；Described pH indicator at least one in m-cresol purple, thymolphthalein, o-cresolphthalein, bromthymol blue, cresol red, cetyltrimethyl ammonium cation, dimethyl diaminophenazine chloride, phenol red, rhodamine, Sulforhodamine 101 and thymol blue.
- 3. complexion changed according to claim 2 instruction device, it is characterised in that described carboxylic acid is at least one in the carboxylic acid of 2～12 selected from carbon number.
- 4. complexion changed according to claim 1 instruction device, it is characterized in that, described transparent ink includes the described plasticizer of the described volatile acid of 2 parts～20 parts, the described binding agent of 30 parts～50 parts, the described solvent of 40 parts～70 parts and 1 part～5 parts by mass percentage；Described instruction ink includes the pH indicator of the described volatile acid of 2 parts～20 parts, the described binding agent of 30 parts～50 parts, the described solvent of 40 parts～70 parts, the described plasticizer of 1 part～5 parts and 0.1 part～5 parts by mass percentage.
- 5. a complexion changed instruction device, described complexion changed instruction device includes basal layer, it is formed at the marker of described substrate surface, described marker includes instruction unit, described complexion changed instruction device also includes the protective layer being covered in described instruction unit surface, it is characterized in that, described protective layer includes volatile acid and binding agent, described instruction unit includes described volatile acid, described binding agent and pH indicator, described volatile acid is carboxylic acid, described binding agent is selected from polyvinyl butyral resin, nitrocotton, polyvinyl alcohol, at least one in hydroxyethyl cellulose and hydroxypropyl cellulose, the pH value of described protective layer is identical with the pH value of described instruction unit, and the concentration of volatile acid is identical with the concentration of volatile acid described in described instruction unit described in described protective layer.
- 6. complexion changed according to claim 5 instruction device, it is characterised in that described variable color instruction device also includes the sealing coat being covered in described protective layer and the barrier layer being formed at described insulation surface.
- null7. a transparent ink，Described transparent ink is for complexion changed instruction device，Described complexion changed instruction device includes basal layer、It is formed at the marker of described substrate surface，Described marker includes instruction unit，Described instruction unit is formed by the instruction ink printing containing volatile acid，Described complexion changed instruction device also includes the protective layer being covered in described instruction unit surface，Described protective layer is formed by transparent ink printing，It is characterized in that，Described transparent ink includes volatile acid、Binding agent and solvent，Described volatile acid is carboxylic acid，Described binding agent is selected from polyvinyl butyral resin、Nitrocotton、Polyvinyl alcohol、At least one in hydroxyethyl cellulose and hydroxypropyl cellulose，The pH value of described transparent ink is identical with the pH value of described instruction ink，And the concentration of volatile acid is identical with the concentration of volatile acid described in described instruction ink described in described transparent ink.
- 8. transparent ink according to claim 7, it is characterised in that at least one in described solvent selected from methanol, ethanol, acetone and ethyl acetate.
- 9. transparent ink according to claim 7, it is characterised in that described transparent ink also includes plasticizer, described plasticizer at least one in glycerol, diisodecyl adipate (DIDA), tributyl phosphate and dimethyl phthalate.
- 10. transparent ink according to claim 9, it is characterized in that, described transparent ink includes the described plasticizer of the described volatile acid of 2 parts～20 parts, the described binding agent of 30 parts～50 parts, the described solvent of 40 parts～70 parts and 1 part～5 parts by mass percentage.
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| CN107286752A (en) * | 2017-07-04 | 2017-10-24 | 厦门麓山新材料科技有限公司 | A kind of vapor sensitive color shifting ink and wet sensitive antifalsification label |
| CN107478646A (en) * | 2017-08-14 | 2017-12-15 | 仲恺农业工程学院 | Meat freshness indicating label, solution for indicating label and preparation method |
| CN109003535A (en) * | 2018-07-04 | 2018-12-14 | 深圳九星印刷包装集团有限公司 | Antifalsification label |
| CN110068569A (en) * | 2018-01-24 | 2019-07-30 | 深圳九星印刷包装集团有限公司 | High fast light discoloration instruction device |
| CN110903692A (en) * | 2018-09-14 | 2020-03-24 | 深圳九星印刷包装集团有限公司 | High stable look becomes indicating device |
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