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:
(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:
(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:
(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.