CN101307207B - Laser transfer coatings and method for preparing same - Google Patents
Laser transfer coatings and method for preparing same Download PDFInfo
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- CN101307207B CN101307207B CN2008100293558A CN200810029355A CN101307207B CN 101307207 B CN101307207 B CN 101307207B CN 2008100293558 A CN2008100293558 A CN 2008100293558A CN 200810029355 A CN200810029355 A CN 200810029355A CN 101307207 B CN101307207 B CN 101307207B
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Abstract
The invention provides a laser transfer paint which uses raw materials by weight percentage: 15 to 25 percent of methyl methacrylate, 2 to 6 percent of butyl methacrylate, 0.5 to 1.5 percent of acrylic acid, 0.5 to 1.5 percent of vinyl acetate, 40 to 50 percent of acetic ether, 20 to 25 percent of propylene glycol methyl ether, 3 to 5 percent of Nomal Butyl acetate, 0.1 to 0.3 percent of benzoperoxide and 3 to 8 percent of nitrocellulose. The invention also provides a method for preparing the laser transfer paint. The laser transfer paint has high solid content and low viscosity, can be coated directly and used easily and has little coating amount; when the laser transfer paint is used, the discharge amount of organic solvent is little, thereby contributing to reducing the air pollution; moreover, the drying speed is low, and the production efficiency is high; the formed coating has good flexibility and high brightness; and the coating quality is good and the consequent processing performance is good.
Description
Technical field
The present invention relates to coating, specifically, relate to a kind of laser transfer coatings, and the preparation method of this laser transfer coatings.
Background technology
In the packages printing industry, transfer coatings can form transfer layer or embossed plies through coating, can be used for making wrapping material such as transfer composite aluminium foil paper.Existing laser transfer coatings mostly adopts resin (as vinyl chloride-vinyl acetate resin and acrylic resin etc.) auxiliary chemicals in addition, and be dissolved in organic solvent and make, can't satisfy the requirement of low two aspects of solid content height and viscosity simultaneously, that is to say, adopt prior art can't obtain the high solids coatings that can directly be coated with.Specifically, when the solid content of coating was higher, the viscosity of coating was too high, can not directly be coated with during use, but must use earlier solvent cut, used inconvenience; If require coating directly to be coated with, then the solid content of coating can not too high (generally about 15%).Because contain a large amount of solvents in the coating when using, so glue spread is big, so that rate of drying is slow, production efficiency is low; The coating quality stability and the properties for follow that form are poor; And a large amount of solvent evaporates can atmosphere pollution.In addition, because higher as the resin price of raw material, so coating cost height.
Summary of the invention
Technical problem to be solved by this invention provides a kind of solid content height and the low laser transfer coatings of viscosity, and the preparation method of this laser transfer coatings.The technical scheme that adopts is as follows:
On the one hand, the invention provides a kind of laser transfer coatings, this laser transfer coatings is made by following weight percentages:
Methyl methacrylate 15～25%;
Butyl methacrylate 2～6%;
Vinylformic acid 0.5～1.5%;
Vinyl acetate 0.5～1.5%;
Vinyl acetic monomer 40～50%;
Propylene glycol monomethyl ether 20～25%;
N-butyl acetate 3～5%;
Benzoyl peroxide 0.1～0.3%;
Nitro-cotton 3～8%.
Above-mentioned vinyl acetic monomer, propylene glycol monomethyl ether and n-butyl acetate are as solvent; Methyl methacrylate, butyl methacrylate, vinylformic acid and vinyl acetate react under the effect of catalyzer benzoyl peroxide, form multipolymer; Above-mentioned multipolymer and nitro-cotton are dissolved in the above-mentioned solvent.The mixture that solid thing composition in the laser transfer coatings is above-mentioned multipolymer and nitro-cotton.Because the molecular weight of above-mentioned multipolymer is less, therefore the viscosity of above-mentioned laser transfer coatings is less.
Above-mentioned methyl methacrylate can strengthen the intensity of the coating of laser transfer coatings coating back formation; Butyl methacrylate can strengthen the toughness of the coating of laser transfer coatings coating back formation; Vinylformic acid can improve the activity of polyreaction; Vinyl acetate can strengthen the coating of laser transfer coatings coating back formation and the bonding force of material that following process adds; Vinyl acetic monomer can be accelerated the rate of drying after the laser transfer coatings coating; Propylene glycol monomethyl ether and n-butyl acetate can improve the film-forming properties of laser transfer coatings; Benzoyl peroxide can reduce the activation energy of reaction as catalyzer, promotes polyreaction; Nitro-cotton can strengthen the brightness of the coating of laser transfer coatings coating back formation, and improves the solid content of laser transfer coatings.
On the other hand, the invention provides a kind of preparation method of above-mentioned laser transfer coatings, the preparation method of this laser transfer coatings comprises the steps: successively
(1) is equipped with methyl methacrylate, butyl methacrylate, vinylformic acid, vinyl acetate, vinyl acetic monomer, propylene glycol monomethyl ether, n-butyl acetate, benzoyl peroxide and nitro-cotton according to the above ratio;
(2) methyl methacrylate, butyl methacrylate, vinylformic acid, vinyl acetate and benzoyl peroxide are added in the mixing kettle, and mix;
(3) propylene glycol monomethyl ether and n-butyl acetate are added in the reactor, again nitro-cotton is added in the reactor, under condition of stirring, heat then, make the temperature in the reactor reach 80～90 ℃;
(4) material in the mixing kettle is joined in the reactor, react under condition of stirring, the temperature in the reactor is controlled at 80～90 ℃; Material in the mixing kettle is incubated 3～5 hours after all joining in the reactor;
(5) vinyl acetic monomer is added in the reactor, and stir, obtain laser transfer coatings.
In the preferred steps (4), the material in the mixing kettle is at the uniform velocity joined (amount that at the uniform velocity is meant the material that enters reactor in the unit time keeps certain) in the reactor; More preferably the time of the material in the mixing kettle with 100～150 minutes is at the uniform velocity joined in the reactor.
Laser transfer coatings solid content height of the present invention (can reach 21% at least) and viscosity are low, can directly be coated with, and is easy to use, and glue spread is less; The organic solvent emission amount is few during use, helps reducing topsoil, and rate of drying is fast, the production efficiency height; The good film flexibility that forms, the brightness height, coating quality is good, and properties for follow is good.In addition, the raw materials used price of the present invention is more cheap, and the preparation method is simple, therefore the laser transfer coatings low price of making.This laser transfer coatings both can be made laser transfer coatings, can make common transfer coatings again, and not only can soft pressure but also can press firmly in follow-up mold pressing processing.
Embodiment
Embodiment 1
At first, by 5000 kilograms of laser transfer coatings of preparation, be equipped with following raw material: 800 kilograms of methyl methacrylates (16%); 250 kilograms of butyl methacrylate (5%); 75 kilograms in vinylformic acid (1.5%); 65 kilograms of vinyl acetates (1.3%); 2200 kilograms of vinyl acetic monomers (44%); 1200 kilograms of propylene glycol monomethyl ethers (24%); 200 kilograms of n-butyl acetates (4%); 10 kilograms of benzoyl peroxides (0.2%); 200 kilograms of nitro-cottons (4%).The per-cent of the shared raw material total amount of above-mentioned each raw material is weight percentage.
Then, utilize above-mentioned raw materials, prepare laser transfer coatings by following step successively:
(1) methyl methacrylate, butyl methacrylate, vinylformic acid, vinyl acetate and benzoyl peroxide are added in the mixing kettle, and mix;
(2) propylene glycol monomethyl ether and n-butyl acetate are added in the reactor, again nitro-cotton is added in the reactor, under condition of stirring, heat then, make the temperature in the reactor reach 81～83 ℃;
(3) time of the material in the mixing kettle with 110 minutes is at the uniform velocity joined in the reactor, react under condition of stirring, the temperature in the reactor is controlled at 81～83 ℃; Material in the mixing kettle is incubated 4 hours after all joining in the reactor;
(4) vinyl acetic monomer is added in the reactor, and stir, obtain 5000 kilograms of laser transfer coatings.
The solid content of the laser transfer coatings that makes is 27.8%.
Embodiment 2
At first, by 5000 kilograms of laser transfer coatings of preparation, be equipped with following raw material: 1000 kilograms of methyl methacrylates (20%); Butyl methacrylate double centner (2%); 25 kilograms in vinylformic acid (0.5%); 50 kilograms of vinyl acetates (1%); 2400 kilograms of vinyl acetic monomers (48%); 1000 kilograms of propylene glycol monomethyl ethers (20%); 160 kilograms of n-butyl acetates (3.2%); 15 kilograms of benzoyl peroxides (0.3%); 250 kilograms of nitro-cottons (5%).The per-cent of the shared raw material total amount of above-mentioned each raw material is weight percentage.
Then, utilize above-mentioned raw materials, prepare laser transfer coatings by following step successively:
(1) methyl methacrylate, butyl methacrylate, vinylformic acid, vinyl acetate and benzoyl peroxide are added in the mixing kettle, and mix;
(2) propylene glycol monomethyl ether and n-butyl acetate are added in the reactor, again nitro-cotton is added in the reactor, under condition of stirring, heat then, make the temperature in the reactor reach 88～90 ℃;
(3) time of the material in the mixing kettle with 140 minutes is at the uniform velocity joined in the reactor, react under condition of stirring, the temperature in the reactor is controlled at 88～90 ℃; Material in the mixing kettle is incubated 3.5 hours after all joining in the reactor;
(4) vinyl acetic monomer is added in the reactor, and stir, obtain 5000 kilograms of laser transfer coatings.
The solid content of the laser transfer coatings that makes is 28.5%.
Embodiment 3
At first, by 5000 kilograms of laser transfer coatings of preparation, be equipped with following raw material: 1100 kilograms of methyl methacrylates (22%); 150 kilograms of butyl methacrylate (3%); 50 kilograms in vinylformic acid (1%); 30 kilograms of vinyl acetates (0.6%); 2025 kilograms of vinyl acetic monomers (40.5%); 1050 kilograms of propylene glycol monomethyl ethers (21%); 240 kilograms of n-butyl acetates (4.8%); 5 kilograms of benzoyl peroxides (0.1%); 350 kilograms of nitro-cottons (7%).The per-cent of the shared raw material total amount of above-mentioned each raw material is weight percentage.
Then, utilize above-mentioned raw materials, prepare laser transfer coatings by following step successively:
(1) methyl methacrylate, butyl methacrylate, vinylformic acid, vinyl acetate and benzoyl peroxide are added in the mixing kettle, and mix;
(2) propylene glycol monomethyl ether and n-butyl acetate are added in the reactor, again nitro-cotton is added in the reactor, under condition of stirring, heat then, make the temperature in the reactor reach 86～88 ℃;
(3) time of the material in the mixing kettle with 120 minutes is at the uniform velocity joined in the reactor, react under condition of stirring, the temperature in the reactor is controlled at 86～88 ℃; Material in the mixing kettle is incubated 4.5 hours after all joining in the reactor;
(4) vinyl acetic monomer is added in the reactor, and stir, obtain 5000 kilograms of laser transfer coatings.
The solid content of the laser transfer coatings that makes is 33.6%.
Claims (5)
1. laser transfer coatings is characterized in that being made by following weight percentages:
Methyl methacrylate 15～25%;
Butyl methacrylate 2～6%;
Vinylformic acid 0.5～1.5%;
Vinyl acetate 0.5～1.5%;
Vinyl acetic monomer 40～50%;
Propylene glycol monomethyl ether 20～25%;
N-butyl acetate 3～5%;
Benzoyl peroxide 0.1～0.3%;
Nitro-cotton 3～8%.
2. laser transfer coatings according to claim 1 is characterized in that: described vinyl acetic monomer, propylene glycol monomethyl ether and n-butyl acetate are as solvent; Methyl methacrylate, butyl methacrylate, vinylformic acid and vinyl acetate react under the effect of catalyzer benzoyl peroxide, form multipolymer; Described multipolymer and nitro-cotton are dissolved in the described solvent.
3. the preparation method of the described laser transfer coatings of claim 1 is characterized in that comprising the steps: successively
(1) is equipped with methyl methacrylate, butyl methacrylate, vinylformic acid, vinyl acetate, vinyl acetic monomer, propylene glycol monomethyl ether, n-butyl acetate, benzoyl peroxide and nitro-cotton in described ratio;
(2) methyl methacrylate, butyl methacrylate, vinylformic acid, vinyl acetate and benzoyl peroxide are added in the mixing kettle, and mix;
(3) propylene glycol monomethyl ether and n-butyl acetate are added in the reactor, again nitro-cotton is added in the reactor, under condition of stirring, heat then, make the temperature in the reactor reach 80～90 ℃;
(4) material in the mixing kettle is joined in the reactor, react under condition of stirring, the temperature in the reactor is controlled at 80～90 ℃; Material in the mixing kettle is incubated 3～5 hours after all joining in the reactor;
(5) vinyl acetic monomer is added in the reactor, and stir, obtain laser transfer coatings.
4. the preparation method of laser transfer coatings according to claim 3 is characterized in that: in the step (4), the material in the mixing kettle is at the uniform velocity joined in the reactor.
5. the preparation method of laser transfer coatings according to claim 4 is characterized in that: in the step (4), the time of the material in the mixing kettle with 100～150 minutes is at the uniform velocity joined in the reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008100293558A CN101307207B (en) | 2008-07-05 | 2008-07-05 | Laser transfer coatings and method for preparing same |
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| CN2008100293558A CN101307207B (en) | 2008-07-05 | 2008-07-05 | Laser transfer coatings and method for preparing same |
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| CN101307207A CN101307207A (en) | 2008-11-19 |
| CN101307207B true CN101307207B (en) | 2010-09-08 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101967346A (en) * | 2010-10-21 | 2011-02-09 | 东莞光群雷射科技有限公司 | Laser transfer coating for pre-coloring and preparation method thereof |
| CN102031031A (en) * | 2010-11-02 | 2011-04-27 | 北京高盟新材料股份有限公司 | Film-forming compound for forming high-hardness coating and preparation method thereof |
| CN103849281A (en) * | 2012-11-30 | 2014-06-11 | 浙江恒丰包装有限公司 | Low temperature laser transfer coating and preparation method thereof |
| CN103031011B (en) * | 2012-12-20 | 2016-05-11 | 南通高盟新材料有限公司 | Be applicable to laser transfer coatings of intaglio printing 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 |
| CN104999823B (en) * | 2015-08-04 | 2017-11-21 | 任福海 | A kind of gilding film and its manufacture craft with metal explosion effect |
| CN109777234B (en) * | 2019-01-04 | 2021-06-04 | 潍坊华鼎电子技术有限公司 | Organic membrane liquid for output screen of intensifier and preparation and application methods |
| CN112980315A (en) * | 2021-03-23 | 2021-06-18 | 南通立方新材料科技有限公司 | Preparation method of high-performance laser corrosion-resistant coating for plate making |
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