CN103849281A - Low temperature laser transfer coating and preparation method thereof - Google Patents
Low temperature laser transfer coating and preparation method thereof Download PDFInfo
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- CN103849281A CN103849281A CN201210548418.7A CN201210548418A CN103849281A CN 103849281 A CN103849281 A CN 103849281A CN 201210548418 A CN201210548418 A CN 201210548418A CN 103849281 A CN103849281 A CN 103849281A
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Abstract
The invention discloses a low temperature laser transfer coating which is characterized by being prepared from the following components in parts by weight: 20-30 parts of glycidyl methacrylate, 2-8 parts of epoxypropyl methacrylate, 10-25 parts of butyl acrylate, 20-30 parts of propylene glycol methyl ether acetate, 20-25 parts of propylene glycol monomethyl ether, 2-8 parts of nitrocotton, 0.5-2 parts of flatting agent, 1-5 parts of defoamer, 0.5-2 parts of PH adjustor and 0.2-1 part of benzoyl peroxide. According to the low temperature laser transfer coating disclosed by the invention, when a coated transfer membrane is subjected to mould pressing, the mould pressing temperature is low just at 130 DEG C, so that the mould pressing temperature is greatly reduced, the energy source is saved, and the coating is in accordance with the policy of energy conservation and emission reduction in China. The low temperature laser transfer coating is high in solid content and low in viscosity, and can be directly used. The coating is non-toxic, environment-friendly and low in content of volatile organic compounds (VOCs). Meanwhile, the obtained product has the characteristics of good laser effect and high glossiness.
Description
Technical field
The present invention relates to a kind of laser transfer coatings, particularly the preparation method of low temperature laser transfer coatings and this low temperature laser transfer coatings.
Background technology
Along with the development of modern science and technology, various wrapping material continue to bring out out.Laser transfer paper, as high-end wrapping material, has been subject to the welcome of all circles since coming out, and is more and more widely used in packaging field, and its consumption also increases substantially year by year.But the second-order transition temperature of traditional laser transfer paper coating is relatively high, when this just needs mold pressing, the temperature of roller is higher, while reaching 170-200 DEG C, the hologram pattern on radium-shine motherboard could be printed onto in coating.But when mold pressing, the too high basement membrane that easily makes of roller temperature produces tensile deformation.Reduce temperature, laser effect variation, glossiness step-down.Use common laser transfer coatings to produce power consumption greatly, be unfavorable for energy-saving and emission-reduction.
Summary of the invention
The object of the invention is provides in order to solve above-mentioned the deficiencies in the prior art low temperature laser transfer coatings and the preparation method that a kind of second-order transition temperature is low, be beneficial to energy-saving and emission-reduction.
To achieve these goals, the low temperature laser transfer coatings that the present invention is designed, it is characterized in that this low temperature laser transfer coatings is formulated by weight by following composition: 20 parts-30 parts of glycidyl methacrylate, 2 parts-8 parts of glytidyl methacrylate, 10 parts-25 parts of butyl acrylates, 20 parts-30 parts of 1-Methoxy-2-propyl acetates, 20 parts-25 parts of propylene glycol monomethyl ethers, 2 parts-8 parts of nitro-cottons, 0.5 part-2 parts of flow agents, 1 part-5 parts of defoamers, 0.5 part-2 parts of PH conditioning agents, 0.2 part-1 part of benzoyl peroxide.
Described flow agent is one or more in modified polyorganosiloxane, acrylate copolymer, polycarboxylate salt dispersant; Described defoamer is fluorine modified organo-silicon defoamer, one or more in organically-modified polysiloxane, non-silicone solvent-borne type defoamer.Described pH value conditioning agent is selected from one or more in triethylamine, trolamine, diethanolamine.
Above-mentioned glycidyl methacrylate can improve radium-shine film strength, glossiness, sticking power and weathering resistance.Glytidyl methacrylate can strengthen thermotolerance, the wear resistance of laser film, but has also improved fragility simultaneously, so should not add.Butyl acrylate can improve the activity of polyreaction as the intermediate of organic synthesis.1-Methoxy-2-propyl acetate is the good senior solvent of low toxicity.Propylene glycol monomethyl ether has the film temperature of being lowered into, and improves the film-forming properties of laser transfer coatings.Nitro-cotton can improve radium-shine transfer coated brightness.
Each material formulation becomes low temperature laser transfer coatings after mixing, and in the time of the transfer film mold pressing of coating, molding temperature is low, only need 130 DEG C, and mold pressing product laser effect is out good, glossiness is high.And use common laser transfer coatings, and reach same laser effect, molding temperature all will reach 170-200 DEG C.
The preparation method of above-mentioned low temperature laser transfer coatings, comprises the following steps:
(1) first glycidyl methacrylate, glytidyl methacrylate, butyl acrylate and benzoyl peroxide are added in mixing kettle by described formula requirement, stir 10 minutes-20 minutes, make it to mix;
(2) 1-Methoxy-2-propyl acetate and propylene glycol monomethyl ether are added in reactor, stir 5 minutes, mix;
(3) nitro-cotton, flow agent, defoamer and PH conditioning agent are added in reactor, and stir while slowly heating makes temperature reach 80 DEG C-90 DEG C;
(4) material in mixing kettle is slowly added in reactor, limit edged stirs, and stirs 1-2 hour, keeps reactor temperature at 80 DEG C-90 DEG C simultaneously; Measure solid content, be adjusted to 40% rear slow stirring and make it cooling.
The low temperature laser transfer coatings that the present invention obtains, when the transfer film mold pressing of its coating, molding temperature is low, only needs 130 DEG C, greatly reduces molding temperature, has saved the energy, meets the policy that national energy-saving reduces discharging; This low temperature laser transfer coatings solid content is high and viscosity is low, can directly use.And this coating asepsis environment-protecting, volatile organic matter (VOCs) content is low; It is good that the product simultaneously obtaining has laser effect, the feature that glossiness is high.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
The low temperature laser transfer coatings that the present embodiment provides, this low temperature laser transfer coatings is raw material by following component and content (weight ratio): 28 parts of glycidyl methacrylate, 5 parts of glytidyl methacrylate, 16 parts of butyl acrylates, 25 parts of 1-Methoxy-2-propyl acetates, 20 parts of propylene glycol monomethyl ethers, 4 parts of nitro-cottons, 0.5 part of flow agent, 0.8 part of defoamer, 0.4 part of PH conditioning agent, 0.3 part of benzoyl peroxide.
Then prepare according to the following steps low temperature laser transfer coatings:
(1) first glycidyl methacrylate, glytidyl methacrylate, butyl acrylate and benzoyl peroxide are added in mixing kettle, stir 10 minutes-20 minutes, make it to mix.
(2) 1-Methoxy-2-propyl acetate and propylene glycol monomethyl ether are added in reactor, stir 5 minutes, mix.
(3) nitro-cotton, flow agent, defoamer and PH conditioning agent are added in reactor, and stir while slowly heating makes temperature reach 80 DEG C-90 DEG C.
(4) material in mixing kettle is slowly added in reactor, limit edged stirs, and stirs 1 hour-2 hours, keeps reactor temperature at 80 DEG C-90 DEG C simultaneously.Measure solid content, be adjusted to 40% rear slow stirring and make it cooling.
Embodiment 2:
The low temperature laser transfer coatings that the present embodiment provides, this low temperature laser transfer coatings is raw material by following component and content (weight ratio): 20 parts of glycidyl methacrylate, 8 parts of glytidyl methacrylate, 23 parts of butyl acrylates, 20 parts of 1-Methoxy-2-propyl acetates, 20 parts of propylene glycol monomethyl ethers, 7 parts of nitro-cottons, 1 part of flow agent, 0.5 part of defoamer, 0.1 part of PH conditioning agent, 0.4 part of benzoyl peroxide.
Then prepare according to the following steps low temperature laser transfer coatings:
(1) first glycidyl methacrylate, glytidyl methacrylate, butyl acrylate and benzoyl peroxide are added in mixing kettle, stir 10 minutes-20 minutes, make it to mix.
(2) 1-Methoxy-2-propyl acetate and propylene glycol monomethyl ether are added in reactor, stir 5 minutes, mix.
(3) nitro-cotton, flow agent, defoamer and PH conditioning agent are added in reactor, and stir while slowly heating makes temperature reach 80 DEG C-90 DEG C.
(4) material in mixing kettle is slowly added in reactor, limit edged stirs, and stirs 1 hour-2 hours, keeps reactor temperature at 80 DEG C-90 DEG C simultaneously.Measure solid content, be adjusted to 40% rear slow stirring and make it cooling.
Embodiment 3:
The low temperature laser transfer coatings that the present embodiment provides, this low temperature laser transfer coatings is raw material by following component and content (weight ratio): 30 parts of glycidyl methacrylate, 2 parts of glytidyl methacrylate, 10 parts of butyl acrylates, 30 parts of 1-Methoxy-2-propyl acetates, 20 parts of propylene glycol monomethyl ethers, 5 parts of nitro-cottons, 1 part of flow agent, 1 part of defoamer, 0.5 part of PH conditioning agent, 0.5 part of benzoyl peroxide.
Then prepare according to the following steps low temperature laser transfer coatings:
(1) first glycidyl methacrylate, glytidyl methacrylate, butyl acrylate and benzoyl peroxide are added in mixing kettle, stir 10 minutes-20 minutes, make it to mix.
(2) 1-Methoxy-2-propyl acetate and propylene glycol monomethyl ether are added in reactor, stir 5 minutes, mix.
(3) nitro-cotton, flow agent, defoamer and PH conditioning agent are added in reactor, and stir while slowly heating makes temperature reach 80 DEG C-90 DEG C.
(4) material in mixing kettle is slowly added in reactor, limit edged stirs, and stirs 1 hour-2 hours, keeps reactor temperature at 80 DEG C-90 DEG C simultaneously.Measure solid content, be adjusted to 40% rear slow stirring and make it cooling.
Claims (5)
1. a low temperature laser transfer coatings, the formula that it is characterized in that this coating forms by following weight part: 20 parts-30 parts of glycidyl methacrylate, 2 parts-8 parts of glytidyl methacrylate, 10 parts-25 parts of butyl acrylates, 20 parts-30 parts of 1-Methoxy-2-propyl acetates, 20 parts-25 parts of propylene glycol monomethyl ethers, 2 parts-8 parts of nitro-cottons, 0.5 part-2 parts of flow agents, 1 part-5 parts of defoamers, 0.5 part-2 parts of PH conditioning agents, 0.2 part-1 part of benzoyl peroxide.
2. low temperature laser transfer coatings according to claim 1, is characterized in that described flow agent is one or more in modified polyorganosiloxane, acrylate copolymer, polycarboxylate salt dispersant.
3. low temperature laser transfer coatings according to claim 1 and 2, is characterized in that described defoamer is one or more in fluorine modified organo-silicon defoamer, organically-modified polysiloxane and non-silicone solvent-borne type defoamer.
4. low temperature laser transfer coatings according to claim 1 and 2, is characterized in that described pH value conditioning agent is selected from one or more in triethylamine, trolamine, diethanolamine.
5. a preparation method for the low temperature laser transfer coatings described in the claims, is characterized in that comprising the steps:
(1) first glycidyl methacrylate, glytidyl methacrylate, butyl acrylate and benzoyl peroxide are added in mixing kettle by described formula requirement, stir 10 minutes-20 minutes, make it to mix;
(2) 1-Methoxy-2-propyl acetate and propylene glycol monomethyl ether are added in reactor, stir 5 minutes, mix;
(3) nitro-cotton, flow agent, defoamer and PH conditioning agent are added in reactor, and stir while slowly heating makes temperature reach 80 DEG C-90 DEG C;
(4) material in mixing kettle is slowly added in reactor, limit edged stirs, and stirs 1 hour-2 hours, keeps reactor temperature at 80 DEG C-90 DEG C simultaneously; Measure solid content, be adjusted to 40% rear slow stirring and make it cooling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210548418.7A CN103849281A (en) | 2012-11-30 | 2012-11-30 | Low temperature laser transfer coating and preparation method thereof |
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| CN201210548418.7A CN103849281A (en) | 2012-11-30 | 2012-11-30 | Low temperature laser transfer coating and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1529787B1 (en) * | 2003-11-10 | 2006-03-15 | Meadwestvaco Corporation | Rosin-fatty acid ester vinylic polymers |
| CN101307207A (en) * | 2008-07-05 | 2008-11-19 | 汕头市鑫源化工有限公司 | Laser transfer coatings and method for preparing same |
| CN102391747A (en) * | 2011-06-28 | 2012-03-28 | 北京高盟新材料股份有限公司 | Film-forming composition of seamless laser transfer coating and preparation method thereof |
| CN102643588A (en) * | 2012-04-18 | 2012-08-22 | 上海维凯化学品有限公司 | Holographic laser cold-turning gold stamping transfer coating composition and preparation method thereof |
-
2012
- 2012-11-30 CN CN201210548418.7A patent/CN103849281A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1529787B1 (en) * | 2003-11-10 | 2006-03-15 | Meadwestvaco Corporation | Rosin-fatty acid ester vinylic polymers |
| CN101307207A (en) * | 2008-07-05 | 2008-11-19 | 汕头市鑫源化工有限公司 | Laser transfer coatings and method for preparing same |
| CN102391747A (en) * | 2011-06-28 | 2012-03-28 | 北京高盟新材料股份有限公司 | Film-forming composition of seamless laser transfer coating and preparation method thereof |
| CN102643588A (en) * | 2012-04-18 | 2012-08-22 | 上海维凯化学品有限公司 | Holographic laser cold-turning gold stamping transfer coating composition and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 朱万强编著: "《涂料基础教程》", 30 June 2012, 西南交通大学出版社 * |
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Application publication date: 20140611 |