CN102268212B - Laser transfer coating for vacuum plating transparent medium and preparation method thereof - Google Patents

Laser transfer coating for vacuum plating transparent medium and preparation method thereof Download PDF

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CN102268212B
CN102268212B CN 201110180854 CN201110180854A CN102268212B CN 102268212 B CN102268212 B CN 102268212B CN 201110180854 CN201110180854 CN 201110180854 CN 201110180854 A CN201110180854 A CN 201110180854A CN 102268212 B CN102268212 B CN 102268212B
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resin
transparent medium
vacuum plating
laser transfer
suitable vacuum
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CN102268212A (en
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陈智
丁万强
段孔荣
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Shanghai Weikai Optoelectronic New Materials Co Ltd
Shanghai Chengying New Material Co Ltd
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WEIKAI CHEMICAL-PRODUCT Co Ltd SHANGHAI
Shanghai Chengying New Material Co Ltd
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Abstract

The invention relates to laser transfer coating for a vacuum plating transparent medium and a preparation method thereof. The coating comprises the following components in part by weight: 4 to 15 parts of polyacrylate resin, 2 to 8 parts of nitrogen-containing modified polyacrylate resin, 1 to 15 parts of cellulose ester resin, 0.1 to 0.5 parts of assistant and 60 to 92 parts of solvent. Compared with the prior art, the laser transfer coating has the advantages of good transparent laser effect, low cost, high printing adaptability and the like.

Description

Laser transfer coatings of a kind of suitable vacuum plating transparent medium and preparation method thereof
Technical field
The present invention relates to a kind of coating and preparation method thereof, particularly laser transfer coatings of a kind of suitable vacuum plating transparent medium and preparation method thereof.
Background technology
At present, domestic packaging industry generally is upgraded to transfer aluminum plated technique by the aluminium foil recombining process in past, this processing method has the beautiful advantage such as colorful of low, the economic environmental protection of consumption of natural resource, outward appearance, utilize the wrapping paper of this explained hereafter nontoxic, tasteless, behind mould pressing process, not only radium-shine brightness is high, and picture and text are fine and smooth exquisite, and has excellent antiforge function.The coating transfer aluminum plating of exploitation is to perform meritorious deeds never to be obliterated in this packaging industry great change in order to adapt to the upgrading of transfer technology of the package.But the raising along with people's quality of the life, existing wrapped product can not satisfy the individual sexual demand day by day how far people change, for example the existing transfer packing of aluminizing has strong metal-like appearance because of it, can't satisfy the need of the laser anti-counterfeiting packing with transparent exterior, greatly restrict packaging industry further fast-developing.Therefore, the extraordinary laser transfer coatings of developing a kind of suitable vacuum plating transparent medium just seems particularly important.
Chinese invention patent CN101323952A discloses a kind of process of preparing of high vacuum vapor deposition dielectric film transferred material, this formula for a product is selected common aluminizing transfer paint prescription fully, the attachment fastness, the surface gloss that cause its product and medium, the operating performance of technique is all not ideal enough, and this patent adopts the secondary coating process, cause production cost high, environmental pollution is serious.
Summary of the invention
Purpose of the present invention is exactly to provide laser transfer coatings of the suitable vacuum plating transparent medium that a kind of transparent laser effect is good, cost is low, printing adaptability is good and preparation method thereof for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions: a kind of laser transfer coatings of suitable vacuum plating transparent medium, it is characterized in that, and this coating comprises following component and weight part content:
Polyacrylate resin 4~15;
Nitrogenous modified polyacrylate resin 2~8;
Cellulose ester resin 1~15;
Auxiliary agent 0.1~0.5;
Solvent 60~92.
Described coating comprises following component and weight part content:
Polyacrylate resin: 4~6;
Nitrogenous modified polyacrylate resin 2~5;
Cellulose ester resin: 5~10;
Auxiliary agent: 0.2~0.4;
Solvent: 62~85.
Described coating comprises following component and weight part content:
Polyacrylate resin: 15;
Nitrogenous modified polyacrylate resin 2;
Cellulose ester resin: 8;
Auxiliary agent: 0.3;
Solvent: 74.7.
The monomer of described polyacrylic resin comprises methyl methacrylate, β-dimethyl-aminoethylmethacrylate, butyl methacrylate, methyl acrylate, ethyl propenoate or butyl acrylate, described polyacrylic resin is that molecular weight is 1.5 ten thousand~200,000 by one or more homopolymer that aggregate into or multipolymer in the above-mentioned monomer.
Described nitrogenous modified polyacrylate resin is synthetic by the monomer vinyl cyanide with nitrogen atom functional group or amine methacrylic ester and methacrylic resin monomer copolymerization, and molecular weight is 1.5 ten thousand~200,000.
Described cellulose ester resin comprises cellulose acetate resin, propyl acetate celluosic resin, N-BUTYL ACETATE celluosic resin, one or more in the cellulose nitrate resin, and described cellulose ester resin molecular weight is 20,000~80,000.
Described auxiliary agent is one or more the mixture in wetting agent, flow agent, the anti scuffing agent.
Described wetting agent is one or more the mixture in Voranol EP 2001, acetylene ethylene glycol, the polyoxyethylene glycol alkyl ester; Described flow agent is one or both the mixture in modified polyorganosiloxane, the modified silicon ketone; Described anti scuffing agent is at least a in polyethylene emulsifying wax, organic silicon modified by polyether, the silicon sol; Described film coalescence aid is one or more the mixture in propoxy-alcohol ether, propyl carbinol, propyl carbonate, the lauryl alcohol ester.
Described solvent is one or more in acetone, butanone, vinyl acetic monomer, n-propyl acetate, n-butyl acetate, the 2-butyl acetate.
A kind of preparation method of laser transfer coatings of suitable vacuum plating transparent medium is characterized in that, the method may further comprise the steps:
(1) prepare raw material according to following component and weight part content:
Polyacrylate resin 4-15,
Nitrogenous modified polyacrylate resin 2-8,
Cellulose ester resin 1-15,
Auxiliary agent 0.1-0.5,
Solvent 60-92,
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) polyacrylate resin, nitrogenous modified polyacrylate resin and cellulose ester resin are dropped into reactor, the control stir speed (S.S.) is 100-200rpm, stirs 1-5h, and dissolving fully;
(4) auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 100-150rpm again, and 10-30min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product.
Compared with prior art, the present invention has the following advantages:
(1) because the functional acrylic resin among the present invention contains special nitrogen atom functional group, make coating and transparent medium zinc sulphide have excellent adhesion strength;
(2) transparent laser effect: be applicable to transparent laser anti-counterfeiting packing and decorating, remedy the tradition shifting process of aluminizing and to prepare the shortcoming of transparent counterfeiting material;
(3) existing Vacuum Deposition medium can only adopt the mode of secondary coating, the laser transfer coatings of this suitable vacuum plating transparent medium can adopt a coating process to satisfy production requirement, as peel off, the multiple performance requriements such as mold pressing, plating medium fastness and printing adaptability, both significantly reduced production costs, had again environmental protection, an advantage such as energy-conservation, efficient;
(4) printing adaptability is good: compare traditional aluminizing transfer paint, the laser transfer coatings of the suitable vacuum plating transparent medium of this kind, because introducing the several functions auxiliary group in its prescription, make itself and present two large general mode of printing offset printings and gravure ink that excellent attachment fastness all be arranged.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.
Embodiment 1:
A kind of preparation method of laser transfer coatings of suitable vacuum plating transparent medium, the method may further comprise the steps:
(1) prepare raw material according to following component and weight part content:
Figure BDA0000072403890000041
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) resin Composition (polyacrylate resin, contain vinyl cyanide modified polyacrylate resin and cellulose ester resin) is dropped into reactor, control stir speed (S.S.) is 100rpm, stirs 1h, makes the resin Composition dissolving abundant;
(4) after resin Composition dissolves fully, auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 150rpm, and 30min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product;
Functional coating makes coating and transparent medium zinc sulphide adhesion strength good because containing the functional acrylic resin vinyl cyanide among the embodiment 1, and transparent laser effect is good, can adopt the once mode of coating, and production cost is low, energy-conserving and environment-protective, and printing adaptability is good.
Embodiment 2:
(1) prepare raw material according to following component and weight part content:
Figure BDA0000072403890000042
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) resin Composition is dropped into reactor, the control stir speed (S.S.) is 200rpm, stirs 5h, makes the resin Composition dissolving fully;
(4) after resin Composition dissolves fully, auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 100rpm, and 10min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product;
Functional coating is because containing functional acrylic resin amine methacrylic ester in the case two, guaranteeing that higher, the transparent laser effect of mold pressing brightness is better, and production cost is low under the excellent adhesion strength prerequisite of coating and transparent medium zinc sulphide, energy-conserving and environment-protective, printing adaptability is good.
The case contrast:
Contrast sample 1 common aluminizing transfer paint:
(1) prepare raw material according to following component and weight part content:
Figure BDA0000072403890000051
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) resin Composition is dropped into reactor, the control stir speed (S.S.) is 250rpm, stirs 5h, makes the resin Composition dissolving fully;
(4) after resin Composition dissolves fully, auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 100rpm, and 10min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product;
Contrast sample one is common aluminizing transfer paint, contains the strong function monomer of lone-pair electron electronegativity because lacking in the coating formula, as contains the amine methacrylic ester, or vinyl cyanide; Therefore itself and transparent medium zinc sulphide adhesion strength are relatively poor, especially more easily occur adhering to not firm phenomenon under moist microthermal climate environment.
Embodiment 3
A kind of preparation method of laser transfer coatings of suitable vacuum plating transparent medium, the method may further comprise the steps:
(1) prepare raw material according to following component and weight part content:
Polyacrylate resin 4-5,
Nitrogenous modified polyacrylate resin 2-3,
Cellulose ester resin 1-2,
Auxiliary agent 0.1-0.2,
Solvent 60-62,
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) polyacrylate resin, nitrogenous modified polyacrylate resin and cellulose ester resin are dropped into reactor, the control stir speed (S.S.) is 200rpm, stirs 1h, and dissolving fully;
(4) auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 100rpm again, and 30min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product.
Embodiment 4
A kind of preparation method of laser transfer coatings of suitable vacuum plating transparent medium, the method may further comprise the steps:
(1) prepare raw material according to following component and weight part content:
Polyacrylate resin 14-15,
Nitrogenous modified polyacrylate resin 7-8,
Cellulose ester resin 14-15,
Auxiliary agent 0.4-0.5,
Solvent 90-92,
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) polyacrylate resin, nitrogenous modified polyacrylate resin and cellulose ester resin are dropped into reactor, the control stir speed (S.S.) is 100rpm, stirs 5h, and dissolving fully;
(4) auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 150rpm again, and 10min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product.
Embodiment 5
A kind of preparation method of laser transfer coatings of suitable vacuum plating transparent medium, the method may further comprise the steps:
(1) prepare raw material according to following component and weight part content:
Polyacrylate resin: 6;
Nitrogenous modified polyacrylate resin 5;
Cellulose ester resin: 10;
Auxiliary agent: 0.2;
Solvent: 62.
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) polyacrylate resin, nitrogenous modified polyacrylate resin and cellulose ester resin are dropped into reactor, the control stir speed (S.S.) is 100-200rpm, stirs 1-5h, and dissolving fully;
(4) auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 100-150rpm again, and 10-30min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product.
Described nitrogenous modified polyacrylate resin is by the monomer vinyl cyanide (CH with nitrogen atom functional group 2=CHCN) synthetic with the methacrylic resin monomer copolymerization.
Embodiment 6
A kind of preparation method of laser transfer coatings of suitable vacuum plating transparent medium, the method may further comprise the steps:
(1) prepare raw material according to following component and weight part content:
Polyacrylate resin: 4;
Nitrogenous modified polyacrylate resin 2;
Cellulose ester resin: 5;
Auxiliary agent: 0.4;
Solvent: 85.
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) polyacrylate resin, nitrogenous modified polyacrylate resin and cellulose ester resin are dropped into reactor, the control stir speed (S.S.) is 100-200rpm, stirs 1-5h, and dissolving fully;
Auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 100-150rpm again, and 10-30min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product.
Described nitrogenous modified polyacrylate resin is by the monomer methacrylic acid 2-amino-ethyl ester (CH with nitrogen atom functional group 2=CH (C=O)-O-CH 2-CH 2-NH 2) synthetic with the methacrylic resin monomer copolymerization.

Claims (9)

1. the laser transfer coatings of a suitable vacuum plating transparent medium is characterized in that, this coating comprises following component and weight part content:
Figure FDA00002248573700011
Described nitrogenous modified polyacrylate resin is synthetic by the monomer vinyl cyanide with nitrogen atom functional group or amine methacrylic ester and methacrylic resin monomer copolymerization, and molecular weight is 1.5 ten thousand~200,000.
2. the laser transfer coatings of suitable vacuum plating transparent medium according to claim 1 is characterized in that, described coating comprises following component and weight part content:
3. the laser transfer coatings of suitable vacuum plating transparent medium according to claim 1 is characterized in that, described coating comprises following component and weight part content:
4. the laser transfer coatings of each described suitable vacuum plating transparent medium according to claim 1~3, it is characterized in that, the monomer of described polyacrylate resin comprises methyl methacrylate, β-dimethyl-aminoethylmethacrylate, butyl methacrylate, methyl acrylate, ethyl propenoate or butyl acrylate, described polyacrylic resin is that molecular weight is 1.5 ten thousand~200,000 by one or more homopolymer that aggregate into or multipolymer in the above-mentioned monomer.
5. the laser transfer coatings of each described suitable vacuum plating transparent medium according to claim 1~3, it is characterized in that, described cellulose ester resin comprises cellulose acetate resin, propyl acetate celluosic resin, N-BUTYL ACETATE celluosic resin, in the cellulose nitrate resin one or more, described cellulose ester resin molecular weight is 20,000~80,000.
6. the laser transfer coatings of each described suitable vacuum plating transparent medium is characterized in that according to claim 1~3, and described auxiliary agent is one or more the mixture in wetting agent, flow agent, the anti scuffing agent.
7. the laser transfer coatings of suitable vacuum plating transparent medium according to claim 6 is characterized in that, described wetting agent is one or more the mixture in Voranol EP 2001, acetylene ethylene glycol, the polyoxyethylene glycol alkyl ester; Described flow agent is one or both the mixture in modified polyorganosiloxane, the modified silicon ketone; Described anti scuffing agent is at least a in polyethylene emulsifying wax, organic silicon modified by polyether, the silicon sol.
8. the laser transfer coatings of each described suitable vacuum plating transparent medium according to claim 1~3, it is characterized in that, described solvent is one or more in acetone, butanone, vinyl acetic monomer, n-propyl acetate, n-butyl acetate, the 2-butyl acetate.
9. the preparation method of the laser transfer coatings of a suitable vacuum plating transparent medium as claimed in claim 1 is characterized in that, the method may further comprise the steps:
(1) prepare raw material according to following component and weight part content:
Figure FDA00002248573700021
(2) first solvent is placed reactor according to prescription, open whipping appts, mix;
(3) polyacrylate resin, nitrogenous modified polyacrylate resin and cellulose ester resin are dropped into reactor, the control stir speed (S.S.) is 100-200rpm, stirs 1-5h, and dissolving fully;
(4) auxiliary agent is dropped in the reactor, the control stir speed (S.S.) is 100-150rpm again, and 10-30min fully is uniformly dispersed to auxiliary agent, and filtration obtains the finished product.
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CN102643588B (en) * 2012-04-18 2014-04-23 上海维凯化学品有限公司 Holographic laser cold-turning gold stamping transfer coating composition and preparation method thereof
CN103031027A (en) * 2012-12-25 2013-04-10 上海睿途新材料科技有限公司 Environment-friendly laser aluminized transfer coating with high aluminum layer adhesion
CN103540215B (en) * 2013-09-30 2016-02-03 上海维凯光电新材料有限公司 Without benzene stable form laser electrochemical aluminum chromatograph coating composition and preparation method thereof
CN103555113B (en) * 2013-10-24 2016-06-15 上海维凯光电新材料有限公司 Coating composition and preparation of plates method for transferable laser anti-counterfeiting sheet material
CN104652167A (en) * 2015-03-05 2015-05-27 大亚科技股份有限公司 Direct-plating coating and application thereof in inner liner for cigarette
CN106085069B (en) * 2016-06-02 2019-06-14 常德金德镭射科技股份有限公司 A kind of laser anti-counterfeiting coating and preparation method thereof, laser transfer membrane and preparation method thereof
CN107739561B (en) * 2017-10-19 2020-05-29 武汉华工图像技术开发有限公司 Matte coating, preparation method thereof and matte coating with fine and smooth appearance

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