CN114031983A - Silk-screen cold-stamping film coating and preparation process thereof - Google Patents
Silk-screen cold-stamping film coating and preparation process thereof Download PDFInfo
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- CN114031983A CN114031983A CN202111275157.1A CN202111275157A CN114031983A CN 114031983 A CN114031983 A CN 114031983A CN 202111275157 A CN202111275157 A CN 202111275157A CN 114031983 A CN114031983 A CN 114031983A
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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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/02—Cellulose; Modified cellulose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
- B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/587—No clear coat specified some layers being coated "wet-on-wet", the others not
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
- B41M5/0355—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic characterised by the macromolecular coating or impregnation used to obtain dye receptive properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
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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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/06—Homopolymers or copolymers of vinyl chloride
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
- C09D191/06—Waxes
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Abstract
The invention belongs to the field of hot stamping, and particularly relates to a silk-screen cold stamping coating and a preparation process thereof. A silk-screen cold stamping film coating comprises a release layer, a color layer and a back glue layer; the release layer is one of a release layer 1, a release layer 2 and a release layer 3; the color layer is one of color layer 1 and color layer 2; the release layer 1 comprises the following components in percentage by mass: 4-5 parts of deionized water, 30-35 parts of n-propanol, 60-65 parts of isopropanol, 2-3 parts of absolute ethyl alcohol and 1-2 parts of water-based cellulose resin, wherein the release layer 2 comprises: 25-35 parts of deionized water, 55-65 parts of absolute ethyl alcohol, 5-10 parts of isopropanol and 0.8-1.2 parts of water-based acrylic resin, wherein the release layer 3 comprises the following components: 45-55 parts of butanone, 45-55 parts of toluene and 0.5-1.0 part of montanic acid wax, wherein the color layer 1 comprises the following components: 50-55 parts of butanone, 3-5 parts of butyl ester, 20-25 parts of ethyl ester, 10-13 parts of acrylic resin, 10-13 parts of vinyl chloride-vinyl acetate copolymer, 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, wherein the color layer 2 comprises: 40-45 parts of ethyl ester, 40-45 parts of butanone, 15-20 parts of polyurethane resin, 0.2-0.5 part of defoaming agent, 0.2-0.5 part of flatting agent and 0.1 part of silicon powder.
Description
Technical Field
The invention belongs to the field of hot stamping, and particularly relates to a silk-screen cold stamping film coating and a preparation process thereof.
Background
With the development of the hot stamping technology, the cold stamping printing machine based on cold stamping printing is rapidly developed in the market, and the market demand is large and the prospect is wide. The cold stamping press mainly comprises an offset printing cold stamping machine and a flexo printing cold stamping machine, and due to the process principle, the offset printing and the flexo printing cold stamping can only realize the plane gold stamping effect. Offset printing and flexo printing cold stamping can not satisfy all gilt scenes, and with the development of market, the silk screen cold stamping machine that can realize 3D stereoeffect is produced at present. The silk-screen cold stamping has just emerged recently, and the silk-screen cold stamping film on the market has the technical defects of poor scratch resistance, poor friction resistance, poor cold stamping fastness and the like, so that the cold stamping technology is limited in domestic development speed, and no mature technology exists at home and abroad. For the reasons, the invention provides a silk-screen cold-stamping film coating and a preparation process thereof.
Disclosure of Invention
The invention aims to provide a silk-screen cold-stamping film coating and a preparation process thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a silk-screen cold stamping film coating comprises a release layer, a color layer and a back glue layer; the release layer is one of a release layer 1, a release layer 2 and a release layer 3; the color layer is one of a color layer 1 and a color layer 2; according to the mass ratio, the release layer 1 comprises the following components: 4-5 parts of deionized water, 30-35 parts of n-propanol, 60-65 parts of isopropanol, 2-3 parts of absolute ethyl alcohol and 1-2 parts of water-based cellulose resin, wherein the release layer 2 comprises the following components: 25-35 parts of deionized water, 55-65 parts of absolute ethyl alcohol, 5-10 parts of isopropanol and 0.8-1.2 parts of water-based acrylic resin, wherein the release layer 3 comprises the following components: 45-55 parts of butanone, 45-55 parts of toluene and 0.5-1.0 part of montanic acid wax, wherein the color layer 1 comprises the following components: 50-55 parts of butanone, 3-5 parts of butyl ester, 20-25 parts of ethyl ester, 10-13 parts of acrylic resin, 10-13 parts of vinyl chloride-vinyl acetate copolymer, 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, wherein the color layer 2 comprises the following components: 40-45 parts of ethyl ester, 40-45 parts of butanone, 15-20 parts of polyurethane resin, 0.2-0.5 part of defoaming agent, 0.2-0.5 part of flatting agent and 0.1 part of silicon powder.
A preparation process of a silk-screen cold stamping film coating comprises the following steps:
uniformly stirring 4-5 parts of deionized water, 30-35 parts of n-propanol, 60-65 parts of isopropanol and 2-3 parts of absolute ethyl alcohol, slowly adding 1-2 parts of water-based cellulose resin, and uniformly stirring at a medium and high speed to prepare a water-based coating 1;
secondly, uniformly stirring 25-35 parts of deionized water, 55-65 parts of absolute ethyl alcohol and 5-10 parts of isopropanol, slowly adding 0.8-1.2 parts of waterborne acrylic resin, and uniformly stirring at medium and high speed to prepare a waterborne coating 2;
uniformly stirring 45-55 parts of butanone and 45-55 parts of toluene, slowly adding 0.5-1.0 part of montanic acid wax, and uniformly stirring at medium-high speed to prepare a solvent coating 3;
uniformly coating the water-based coating 1, the water-based coating 2 or the solvent coating 3 on the surface of the PET film, and drying by utilizing hot air to form a release layer;
uniformly stirring 50-55 parts of butanone, 3-5 parts of butyl ester and 20-25 parts of ethyl ester, slowly adding 10-13 parts of acrylic resin and 10-13 parts of vinyl chloride-vinyl acetate copolymer, uniformly stirring at medium-high speed, then adding 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, uniformly stirring at medium-high speed to prepare a color layer coating 1, uniformly coating the color layer coating 1 on the surface of a release layer, and drying by utilizing hot air to form the color layer 1; or, uniformly stirring 50-55 parts of butanone, 8-10 parts of butyl ester and 15-25 parts of n-propyl ester, slowly adding 10-13 parts of acrylic resin and 10-13 parts of polyurethane resin, uniformly stirring at medium-high speed, then adding 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, uniformly stirring at medium-high speed to prepare a color layer coating 2, uniformly coating the color layer coating 2 on the surface of a release layer, and drying by utilizing hot air to form the color layer 2;
and fifthly, uniformly stirring 40-45 parts of ethyl ester and 40-45 parts of butanone, slowly adding 15-20 parts of polyurethane resin, uniformly stirring at a medium and high speed, then adding 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, uniformly stirring at a medium and high speed, then adding 0.1 part of silicon powder, uniformly stirring at a high speed to prepare a gum coating, uniformly coating the gum coating on the surface of the color layer 1 or the surface of the color layer 2, and drying by utilizing hot air to form the gum layer.
Preferably, the release layer 1, the release layer 2 and the release layer 3 are all coated by a coating machine, and the dry coating amount is 0.05-0.15g/m 2.
Preferably, the color layer 1 and the color layer 2 are both obtained by coating with a coater, and the coating dry amount is 1.0-1.1g/m 2.
Preferably, the back glue layer is obtained by coating through a coating machine, and the dry coating amount is 0.9-1.2g/m 2.
Preferably, the medium-high speed is 400r/min-600 r/min.
Compared with the prior art, the invention has the beneficial effects that:
(1) the silk-screen cold-stamping film coating provided by the invention has good scratch resistance and abrasion resistance;
(2) the silk-screen cold-stamping film coating provided by the invention has excellent scratch repairing capability, and under the condition of scratching, scratches on the scratched surface can be repaired to be invisible to naked eyes by continuously wiping and repairing;
(3) according to the preparation process of the silk-screen cold-stamping film coating, the release layer has extremely high adhesive force in the process of preparing the silk-screen cold-stamping film coating, the cured coating has excellent corrosion resistance and chemical resistance, the coating film has small shrinkage, high hardness, good wear resistance, excellent corrosion resistance and excellent electrical insulating property, the release layer and the PET film form a surface with higher hardness, and when the release layer and the PET film are scratched, the scratch is harder, and in the continuous wiping process, the scratch cannot be further increased due to wiping; in the wiping process, the scratch is properly supplemented by the material in each release layer along with the wiping, so that the scratch repair can be realized under the condition of small scratch.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
(1) According to the mass ratio, 4g of deionized water, 30g of n-propanol, 60g of isopropanol and 2g of absolute ethyl alcohol are taken, uniformly mixed, slowly added with 1g of water-based cellulose resin, uniformly stirred at the stirring speed of 400r/min to obtain a water-based coating 1, the water-based coating 1 is uniformly coated on the surface of a PET film by using a coating machine, and the coating dry weight is controlled at 0.05g/m2Left and right, forming a release layer after drying by hot air;
(2) according to the mass ratio, 50g of butanone, 3g of butyl ester and 20-25g of ethyl ester are taken and uniformly stirred, 10g of acrylic resin and 10g of vinyl chloride-vinyl acetate copolymer are slowly added, after the mixture is uniformly stirred at the stirring speed of 400r/min, 0.2g of defoaming agent and 0.2g of flatting agent are further added, the mixture is continuously and uniformly stirred at the stirring speed of 400r/min to obtain a color layer coating 1, the color layer coating 1 is coated on the surface of a release layer by using a coating machine, and the coating dry weight is controlled to be 1.0g/m2Forming a color layer 1;
(3) according to the mass ratio, 40g of ethyl ester and 40g of butanone are uniformly mixed, 15g of polyurethane resin is further slowly added, the mixture is uniformly stirred at the stirring speed of 400r/min, and then 0 antifoaming agent is added.2g and 0.2g of flatting agent, further stirring uniformly at the stirring speed of 400r/min, then adding 0.1 part of silicon powder, stirring uniformly to obtain a gum coating, uniformly coating the gum coating on the color layer 1 by using a coating machine, and controlling the coating dry weight to be 0.9g/m2And obtaining the back glue layer after hot air drying.
And after the operation is finished, obtaining the silk-screen cold-stamping film coating. The silk-screen cold-stamping film coating is applied to a silk-screen process, after cold-stamping transfer, the coating surface is scraped for 650 times back and forth by using a fingernail, micro scratches appear on the coating surface, the coating is scraped for 1100 times, and the coating begins to fall off in cold stamping.
Example 2
(1) According to the mass ratio, 30g of deionized water, 60g of absolute ethyl alcohol and 7.5g of isopropanol are uniformly stirred, 1.0g of water-based acrylic resin is slowly added, the mixture is uniformly stirred at the stirring speed of 400r/min to obtain a water-based coating 2, the water-based coating 2 is uniformly coated on the surface of a PET film by using a coating machine, and the coating dry weight is controlled at 0.10g/m2Left and right, obtaining a release layer after hot air drying;
(2) according to the mass ratio, 52.5g of butanone, 4g of butyl ester and 22.5g of ethyl ester are taken and uniformly stirred, 11.5g of acrylic resin and 11.5g of vinyl chloride-vinyl acetate copolymer are slowly added, after the mixture is uniformly stirred at the stirring speed of 400r/min, 0.35g of defoaming agent and 0.35g of flatting agent are further added, the mixture is continuously and uniformly stirred at the stirring speed of 400r/min to obtain a color layer coating 2, the color layer coating 2 is coated on the surface of a release layer by using a coating machine, and the coating dry weight is controlled to be 1.05g/m2Forming a color layer 1;
(3) according to the mass ratio, 42.5g of ethyl ester and 42.5g of butanone are uniformly mixed, 17.5g of polyurethane resin is further slowly added, the mixture is uniformly stirred at the stirring speed of 400r/min, 0.35g of defoaming agent and 0.35g of flatting agent are then added, the mixture is further uniformly stirred at the stirring speed of 400r/min, 0.1 part of silicon powder is added, the mixture is uniformly stirred to obtain a gum coating, the gum coating is uniformly coated on a color layer 1 by using a coating machine, and the coating dry weight is controlled to be 1.05g/m2And obtaining the back glue layer after hot air drying.
And after the operation is finished, obtaining the silk-screen cold-stamping film coating. The silk-screen cold-stamping film coating is applied to a silk-screen process, after cold-stamping transfer, a fingernail is used for scraping the surface of the coating back and forth for 500 times, micro scratches appear on the surface of the coating, the scraping is carried out for 1000 times, and the coating begins to fall off in the cold-stamping process.
Example 3
(1) According to the mass ratio, 55g of butanone and 55g of toluene are taken and uniformly stirred, 1.0g of montanic acid wax is slowly added, the solvent coating 3 is uniformly stirred at the stirring speed of 400r/min, the solvent coating 3 is uniformly coated on the surface of a PET film by using a coating machine, and the coating dry weight is controlled at 0.15g/m2Left and right, drying by hot air to form a release layer;
(2) according to the mass ratio, 55g of butanone, 10g of butyl ester and 25g of n-propyl ester are taken and uniformly stirred, 13g of acrylic resin and 13g of polyurethane resin are slowly added, the stirring is uniformly carried out at the stirring speed of 400r/min, then 0.5g of defoaming agent and 0.5g of flatting agent are added, the stirring is further uniformly carried out at the stirring speed of 400r/min, a color layer coating 2 is obtained, the color layer coating 2 is coated on the surface of a release layer by a coating machine, and the dry coating amount is controlled to be 1.1g/m2After being dried by hot air, a color layer 2 is formed;
(3) according to the mass ratio, 45g of ethyl ester and 45g of butanone are uniformly mixed, 20g of polyurethane resin is further slowly added, the mixture is uniformly stirred at the stirring speed of 400r/min, 0.5g of defoaming agent and 0.5g of flatting agent are then added, the mixture is further uniformly stirred at the stirring speed of 400r/min, 0.1 part of silicon powder is added, the mixture is uniformly stirred to obtain a gum coating, the gum coating is uniformly coated on the color layer 2 by using a coating machine, and the dry coating amount is controlled to be 1.1g/m2And obtaining the back glue layer after hot air drying.
And after the operation is finished, obtaining the silk-screen cold-stamping film coating. The silk-screen cold-stamping film coating is applied to a silk-screen process, after cold-stamping transfer, the coating surface is scraped back and forth 550 times by a fingernail, micro scratches appear on the coating surface, the coating is scraped 1050 times, and the coating begins to fall off in cold-stamping.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cold perm membrane coating of silk screen printing which characterized in that: comprises a release layer, a color layer and a back glue layer; the release layer is one of a release layer 1, a release layer 2 and a release layer 3; the color layer is one of a color layer 1 and a color layer 2; according to the mass ratio, the release layer 1 comprises the following components: 4-5 parts of deionized water, 30-35 parts of n-propanol, 60-65 parts of isopropanol, 2-3 parts of absolute ethyl alcohol and 1-2 parts of water-based cellulose resin, wherein the release layer 2 comprises the following components: 25-35 parts of deionized water, 55-65 parts of absolute ethyl alcohol, 5-10 parts of isopropanol and 0.8-1.2 parts of water-based acrylic resin, wherein the release layer 3 comprises the following components: 45-55 parts of butanone, 45-55 parts of toluene and 0.5-1.0 part of montanic acid wax, wherein the color layer 1 comprises the following components: 50-55 parts of butanone, 3-5 parts of butyl ester, 20-25 parts of ethyl ester, 10-13 parts of acrylic resin, 10-13 parts of vinyl chloride-vinyl acetate copolymer, 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, wherein the color layer 2 comprises the following components: 40-45 parts of ethyl ester, 40-45 parts of butanone, 15-20 parts of polyurethane resin, 0.2-0.5 part of defoaming agent, 0.2-0.5 part of flatting agent and 0.1 part of silicon powder.
2. The preparation process of the silk-screen cold stamping film coating as claimed in claim 1, comprising the following steps:
uniformly stirring 4-5 parts of deionized water, 30-35 parts of n-propanol, 60-65 parts of isopropanol and 2-3 parts of absolute ethyl alcohol, slowly adding 1-2 parts of water-based cellulose resin, and uniformly stirring at a medium and high speed to prepare a water-based coating 1;
secondly, uniformly stirring 25-35 parts of deionized water, 55-65 parts of absolute ethyl alcohol and 5-10 parts of isopropanol, slowly adding 0.8-1.2 parts of waterborne acrylic resin, and uniformly stirring at medium and high speed to prepare a waterborne coating 2;
uniformly stirring 45-55 parts of butanone and 45-55 parts of toluene, slowly adding 0.5-1.0 part of montanic acid wax, and uniformly stirring at medium-high speed to prepare a solvent coating 3;
uniformly coating the water-based coating 1, the water-based coating 2 or the solvent coating 3 on the surface of the PET film, and drying by utilizing hot air to form a release layer;
uniformly stirring 50-55 parts of butanone, 3-5 parts of butyl ester and 20-25 parts of ethyl ester, slowly adding 10-13 parts of acrylic resin and 10-13 parts of vinyl chloride-vinyl acetate copolymer, uniformly stirring at medium-high speed, then adding 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, uniformly stirring at medium-high speed to prepare a color layer coating 1, uniformly coating the color layer coating 1 on the surface of a release layer, and drying by utilizing hot air to form the color layer 1; or, uniformly stirring 50-55 parts of butanone, 8-10 parts of butyl ester and 15-25 parts of n-propyl ester, slowly adding 10-13 parts of acrylic resin and 10-13 parts of polyurethane resin, uniformly stirring at medium-high speed, then adding 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, uniformly stirring at medium-high speed to prepare a color layer coating 2, uniformly coating the color layer coating 2 on the surface of a release layer, and drying by utilizing hot air to form the color layer 2;
and fifthly, uniformly stirring 40-45 parts of ethyl ester and 40-45 parts of butanone, slowly adding 15-20 parts of polyurethane resin, uniformly stirring at a medium and high speed, then adding 0.2-0.5 part of defoaming agent and 0.2-0.5 part of flatting agent, uniformly stirring at a medium and high speed, then adding 0.1 part of silicon powder, uniformly stirring at a high speed to prepare a gum coating, uniformly coating the gum coating on the surface of the color layer 1 or the surface of the color layer 2, and drying by utilizing hot air to form the gum layer.
3. The preparation process of the silk-screen cold stamping film coating as claimed in claim 2, wherein the preparation process comprises the following steps: the release layer 1, the release layer 2 and the release layer 3 are obtained by coating through a coating machine, and the coating dry weight is 0.05-0.15g/m2。
4. The preparation process of the silk-screen cold stamping film coating as claimed in claim 2, wherein the preparation process comprises the following steps: the color layer 1 and the color layer 2 are both obtained by coating through a coating machine, and the dry coating amount is 1.0-1.1g/m2。
5. The preparation process of the silk-screen cold stamping film coating as claimed in claim 2, wherein the preparation process comprises the following steps: the back glue layer is obtained by coating through a coating machine, and the dry weight of the coating is 0.9-1.2g/m2。
6. The preparation process of the silk-screen cold stamping film coating as claimed in claim 2, wherein the preparation process comprises the following steps: the medium-high speed is 400r/min-600 r/min.
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