CN102352165B - Monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating, and synthetic method and application thereof - Google Patents
Monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating, and synthetic method and application thereof Download PDFInfo
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- CN102352165B CN102352165B CN 201110201287 CN201110201287A CN102352165B CN 102352165 B CN102352165 B CN 102352165B CN 201110201287 CN201110201287 CN 201110201287 CN 201110201287 A CN201110201287 A CN 201110201287A CN 102352165 B CN102352165 B CN 102352165B
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Abstract
The invention relates to a monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating, and a synthetic method and application thereof. The coating comprises, by weight, 0.02 to 8 of ultraviolet light active monomers, 2 to 20 of photocrosslinking functional monomers, 15 to 40 of other monofunctional monomers, 0.04 to 0.8 of an initiator and 30 to 80 of a solvent. The coating is prepared by stirring the above-mentioned raw materials in a reaction vessel for a reflux reaction at a temperature of 75 to 90 DEG C for 5 to 8 hours so as to evenly mix the raw materials and cooling an obtained mixture. The coating is applied on a substrate of a product to be coated, and the substrate is put in an ultraviolet light curing apparatus for crosslinking by illumination after the solvent is completely volatilized. Compared to the prior art, the coating provided in the invention has the advantages of good temperature tolerance, no inclusion of micromolecular compounds, no generation of toxic byproducts, capability to adapt to different application requirements, stable performance, etc.
Description
Technical field
The present invention relates to a kind of coating, especially relate to a kind of monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating and synthetic method thereof and application.
Background technology
Acrylate copolymer coating has excellent photostabilization and outdoor aging performance, and most of acrylate copolymers are low toxicities or nontoxic, can be directly used in food product pack and medical and hygiene article.Common acrylate copolymer does not have bridging property, and its coating is easily softening when being heated, and can dissolve when meeting the machine solvent to come off, thereby be restricted on using.Existing terms of settlement is to introduce crosslinked function, for example heat cross-linking (Chinese invention patent application CN101724173A in acrylate copolymer; The open CN101338006A of Chinese invention patent), two component normal temperature crosslinked (Chinese invention patent CN100368485C).Chinese patent application CN101935387 proposes a kind of modified UV photocuring pure acrylic resin, utilizes the epoxy group(ing) in acrylate copolymer to introduce acrylic double bond on copolymer chain, makes coating curing thereby photopolymerization can occur this pair key.
The ultraviolet light irradiation curing technology has and the advantage such as solidifies rapidly, the consolidation zone selectivity is strong and temperature is low, and extremely people pay close attention to.The coating material solidified middle needs of traditional ultraviolet light irradiation add ultraviolet initiator and UV-light to cause auxiliary agent, and ultraviolet initiator mostly is 2-hydroxy-2-methyl-1-phenyl-acetone, 1-hydroxyl-cyclohexyl benzophenone, benzophenone, benzoin methyl ether, Benzoin ethyl ether or st-yrax n-butyl ether etc.; UV-light causes auxiliary agent and mostly is triethylamine, diethylamine, trolamine or diethanolamine etc.Ultraviolet initiator residual after solidifying is easily to surface transport, generate toxic by-products, has stronger smell, and the easy flavescence of filming has limited the development space of UV-curing technology at some expensive goods (as food product pack, medical and hygiene article, cosmetic products and personal-care supplies) greatly.
Summary of the invention
Purpose of the present invention be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of temperature tolerance good, do not contain micromolecular compound, toxic by-products can be do not formed, monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating and synthetic method and the application of different application requirement, stable performance can be adapted to.
Purpose of the present invention can be achieved through the following technical solutions: a kind of monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating, it is characterized in that, and this coating comprises following component and weight part content:
UV-light reactive monomer 0.02～8;
Photo-crosslinking function monomer 2～20;
Other single functionality monomers 15～40;
Initiator 0.04～0.8;
Solvent 30～80.
Described coating comprises following component and weight part content:
UV-light reactive monomer 2～6;
Photo-crosslinking function monomer 8～16;
Other single functionality monomers 20～30;
Initiator 0.1～0.5;
Solvent 45～70.
Described coating comprises following component and weight part content:
UV-light reactive monomer 2～4;
Photo-crosslinking function monomer 10～12;
Other single functionality monomers 22～28;
Initiator 0.2～0.3;
Solvent 50～60.
Described UV-light reactive monomer is selected from the acrylic ester monomer that contains the UV-light active group or one or more in vinyl monomer; Described photo-crosslinking function monomer is selected from one or more in acrylic ester monomer or vinyl monomer; Described other single functionality monomers are selected from 3～8 kinds in acrylic ester monomer or vinyl monomer.
described UV-light reactive monomer is selected from one or more in 4-(2-hydroxyl-3-allyloxy-propoxy-) benzophenone, 4-(2-hydroxyl-3-acryloxy-propoxy-) benzophenone, 4-(2-hydroxy-3-methyl acryloxy-propoxy-) benzophenone, 4-(2-acryloxy-ethyl) benzophenone, 4-(2-methacryloxy-ethyl) benzophenone, 4-acryloxy benzophenone, described photo-crosslinking function monomer is selected from one or more in dimethylaminoethyl methacrylate, 2-hydroxypropyl acrylate, methacrylic acid-2-hydroxypropyl acrylate, isobutyl acrylate, Propenoic acid, 2-methyl, isobutyl ester, isodecyl acrylate, isodecyl methacrylate, Isooctyl acrylate monomer or Isooctyl methacrylate, described other single functionality monomers are selected from vinylformic acid, methacrylic acid, vinylformic acid-2-hydroxyl ethyl ester, 2-hydroxyethyl methacrylate, glycidyl acrylate, glycidyl methacrylate, methylene-succinic acid, dibutyl maleate, dioctyl maleate, vinyl-acetic ester, vinylbenzene, acrylamide, Methacrylamide, vinyl cyanide, methyl acrylate, methyl methacrylate, ethyl propenoate, β-dimethyl-aminoethylmethacrylate, butyl acrylate, butyl methacrylate, in lauryl acrylate or lauryl methacrylate(LMA) 3～8 kinds.
Described initiator is selected from benzoyl peroxide or Diisopropyl azodicarboxylate.
Described solvent is selected from one or more in ethanol, Virahol or ethyl acetate.
A kind of preparation method of monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating, it is characterized in that, the method is that UV-light reactive monomer, photo-crosslinking function monomer, other single functionality monomers, initiator and solvent are dropped in reactor, after mixing, be cooling, 75 ℃～90 ℃ return stirring 5h～8h namely get product.
A kind of application of monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating, it is characterized in that, monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated on the base material of product to be coated, volatilizes and carry out that illumination is crosslinked to be got final product after solvent in ultraviolet curing device.
The irradiation energy of described UV-light self-crosslinking is 500mJ, and after tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 80%, and heat resistance improves 40 ℃.
The degree of crosslinking of ultraviolet light cross-linking coating is by the test of Soxhlet extraction process.
The heat resistance of coating is tested with the heat-sealing gradometer.
Compared with prior art, the mode with covalent linkage in polymerization process of the UV-light active group in coating of the present invention is combined with polymer chain, has avoided adding ultraviolet initiator and UV-light and has caused micromolecular that auxiliary agent causes and separate out and move.After the coating drying, coating forms cross-linked network fast under uv light irradiation.Diphenyl ketone type UV-light active group in coating and the reaction of the non-pair of of bonding photo-crosslinking functional group form covalent linkage and produce crosslinkedly, and product of the present invention has the following advantages:
(1) by the design to composition and the molecular structure of coating, form fast cross-linked network through ultraviolet light irradiation, heat resistance is significantly improved; (2) do not contain micromolecular compound, can not form toxic by-products; (3) can obtain suitable degree of crosslinking by the consumption of regulating the UV-light reactive monomer, the consumption of photo-crosslinking function monomer and the consumption of other single functionality monomers, to adapt to the different application requirement; (4) because the UV-light active group is stable at the coating performance, under the lucifuge condition not can with other group generation crosslinking reactions, just self-crosslinking can occur only under action of ultraviolet light, at room temperature lucifuge was stored 6 months, it is stable that performance still keeps.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.
Embodiment 1
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Concrete building-up process is: mix stirring to make in UV-light reactive monomer, photo-crosslinking function monomer, other single functionality monomers, initiator and solvent input reactor, agitation condition is at 80 ℃ of backflow 6h, obtains monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating after cooling.
Above-mentioned gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 500mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 80%, and heat resistance improves 40 ℃.
Embodiment 2
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Building-up process is identical with embodiment 1.The gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 500mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 60%, and heat resistance improves 20 ℃.
Embodiment 3
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Building-up process is identical with embodiment 1.The gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 500mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 90%, and heat resistance improves 40 ℃.
Embodiment 4
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Building-up process is identical with embodiment 1.The gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 500mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 69%, and heat resistance improves 30 ℃.
Embodiment 5
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Building-up process is identical with embodiment 1.The gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 500mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 65%, and heat resistance improves 30 ℃.
Embodiment 6
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Concrete building-up process is: mix stirring to make in UV-light reactive monomer, photo-crosslinking function monomer, other single functionality monomers, initiator and solvent input reactor, agitation condition is at 75 ℃ of backflow 5h, obtains monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating after cooling.
Above-mentioned gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 200mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 80%, and heat resistance improves 40 ℃.
Embodiment 7
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Concrete building-up process is: mix stirring to make in UV-light reactive monomer, photo-crosslinking function monomer, other single functionality monomers, initiator and solvent input reactor, agitation condition is at 90 ℃ of backflow 8h, obtains monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating after cooling.
Above-mentioned gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 2000mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 80%, and heat resistance improves 40 ℃.
Embodiment 8
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Concrete building-up process is: mix stirring to make in UV-light reactive monomer, photo-crosslinking function monomer, other single functionality monomers, initiator and solvent input reactor, agitation condition is at 75～80 ℃ of 5～6h that reflux, and obtains monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating after cooling.
Above-mentioned gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 500～600mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 85%, and heat resistance improves 45 ℃.
Embodiment 9
The monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating of the present embodiment is synthetic for raw material by following component (weight part):
Concrete building-up process is: mix stirring to make in UV-light reactive monomer, photo-crosslinking function monomer, other single functionality monomers, initiator and solvent input reactor, agitation condition is at 85～90 ℃ of 7～8h that reflux, and obtains monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating after cooling.
Above-mentioned gained monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated with on base material, volatilizes that to carry out illumination after solvent in ultraviolet curing device crosslinked, and the irradiation energy of UV-light self-crosslinking is 1000～1200mJ.After tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 90%, and heat resistance improves 50 ℃.
Claims (4)
1. a monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating, is characterized in that, this coating comprises following component and weight part content:
UV-light reactive monomer 2～4;
Photo-crosslinking function monomer 10～12;
Other single functionality monomers 22～28;
Initiator 0.2～0.3;
Solvent 50～60;
described UV-light reactive monomer is selected from 4-(2-hydroxyl-3-allyloxy-propoxy-) benzophenone, 4-(2-hydroxyl-3-acryloxy-propoxy-) benzophenone, 4-(2-hydroxy-3-methyl acryloxy-propoxy-) benzophenone, 4-(2-acryloxy-ethyl) benzophenone, 4-(2-methacryloxy-ethyl) one or more in benzophenone, 4-acryloxy benzophenone, described photo-crosslinking function monomer is selected from one or more in dimethylaminoethyl methacrylate, 2-hydroxypropyl acrylate, methacrylic acid-2-hydroxypropyl acrylate, isobutyl acrylate, Propenoic acid, 2-methyl, isobutyl ester, isodecyl acrylate, isodecyl methacrylate, Isooctyl acrylate monomer or Isooctyl methacrylate, described other single functionality monomers are selected from vinylformic acid, methacrylic acid, vinylformic acid-2-hydroxyl ethyl ester, 2-hydroxyethyl methacrylate, glycidyl acrylate, glycidyl methacrylate, methylene-succinic acid, dibutyl maleate, dioctyl maleate, vinyl-acetic ester, vinylbenzene, acrylamide, Methacrylamide, vinyl cyanide, methyl acrylate, methyl methacrylate, ethyl propenoate, β-dimethyl-aminoethylmethacrylate, butyl acrylate, butyl methacrylate, in lauryl acrylate or lauryl methacrylate(LMA) 3～8 kinds,
Described initiator is selected from benzoyl peroxide or Diisopropyl azodicarboxylate;
Described solvent is selected from one or more in ethanol, Virahol or ethyl acetate;
Above-mentioned coating makes by the following method: UV-light reactive monomer, photo-crosslinking function monomer, other single functionality monomers, initiator and solvent are dropped in reactor, namely get product after 75 ℃～90 ℃ return stirring 5h～8h mix, be cooling.
2. the preparation method of a monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating as claimed in claim 1, it is characterized in that, the method is that UV-light reactive monomer, photo-crosslinking function monomer, other single functionality monomers, initiator and solvent are dropped in reactor, after mixing, be cooling, 75 ℃～90 ℃ return stirring 5h～8h namely get product.
3. the application of a monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating as claimed in claim 1, it is characterized in that, monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating is coated on the base material of product to be coated, volatilizes and carry out that illumination is crosslinked to be got final product after solvent in ultraviolet curing device.
4. the application of monocomponent ultraviolet light self-crosslinking type acrylate copolymer coating according to claim 3, it is characterized in that, the irradiation energy of described UV-light self-crosslinking is 500mJ, after tested, after ultraviolet light irradiation, the degree of crosslinking of coating is 80%, and heat resistance improves 40 ℃.
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| CN102924650A (en) * | 2012-11-05 | 2013-02-13 | 河北智生环保科技有限公司 | Ultraviolet cross-linking copolymer |
| CN103013268B (en) * | 2012-12-26 | 2015-05-13 | 河北智生环保科技有限公司 | Photo-crosslinking white board coating |
| CN103012665B (en) * | 2012-12-26 | 2015-07-15 | 河北智生环保科技有限公司 | Ultraviolet cross-linked organosilicone modified acrylate copolymer emulsion |
| CN103289009A (en) * | 2013-05-15 | 2013-09-11 | 浙江吉利汽车研究院有限公司杭州分公司 | Composition for preparing coating, coating and preparation method of coating |
| CN104559505A (en) * | 2014-12-23 | 2015-04-29 | 刘骏 | Waterproof paint |
| CN104673143B (en) * | 2015-02-05 | 2017-06-13 | 河北智生环保科技有限公司 | It is a kind of can ultraviolet light cross-linking ionomer type pressure sensitive adhesive and preparation method |
| CN105153775B (en) * | 2015-09-14 | 2017-05-17 | 上海维凯光电新材料有限公司 | Photo-curing aluminum-foil anticorrosive paint composition |
| KR20180063165A (en) * | 2015-09-30 | 2018-06-11 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | Curable and cured adhesive composition |
| CN105907219B (en) * | 2016-04-22 | 2018-07-06 | 河北智生环保科技有限公司 | A kind of reproducible radium-shine ultraviolet light cross-linking glass coating and preparation method |
| CN109957072B (en) * | 2017-12-25 | 2021-12-14 | 万华化学（宁波）有限公司 | Elastic emulsion with high-density surface ultraviolet crosslinking effect and preparation method and application thereof |
| CN109233664A (en) * | 2018-06-12 | 2019-01-18 | 哈尔滨工业大学无锡新材料研究院 | A kind of UV curing type adhesive, preparation method and application |
| CN111574867B (en) * | 2020-06-05 | 2021-03-12 | 中国科学院兰州化学物理研究所 | Composite antifogging coating and application thereof, composite antifogging coating and preparation method and application thereof |
| CN116333672B (en) * | 2023-03-13 | 2023-11-17 | 广东德聚技术股份有限公司 | UV (ultraviolet) binder suitable for camera module and preparation method thereof |
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| US6194330B1 (en) * | 1998-07-31 | 2001-02-27 | Milliken & Company | Polymer latex for ultraviolet absorbtion on fabric |
| US6407181B1 (en) * | 2000-08-21 | 2002-06-18 | Rohm And Haas Company | Low temperature curing powder coating for producing reduced gloss, weatherable coatings |
| CN101092469A (en) * | 2007-05-28 | 2007-12-26 | 周伯涛 | Emulsion of sunlight irradiation crosslinking hud polymer, preparation method and application |
| JP4733680B2 (en) * | 2007-10-31 | 2011-07-27 | 日東電工株式会社 | Optical film pressure-sensitive adhesive, pressure-sensitive adhesive optical film, method for producing the same, and image display device |
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Address after: 201515 second industrial zone, Jinshan Wei Zhen, Shanghai, Jinshan District Patentee after: Shanghai Chengying New Materials Co., Ltd. Patentee after: SHANGHAI WEIKAI OPTOELECTRONIC NEW MATERIALS CO., LTD. Address before: 201515 second industrial zone, Jinshan Wei Zhen, Shanghai, Jinshan District Patentee before: Shanghai Chengying New Materials Co., Ltd. Patentee before: Weikai Chemical-Product Co., Ltd., Shanghai |
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