CN1515639A - UV light solidified composition for protecting electronic circuit and electronic element and device - Google Patents
UV light solidified composition for protecting electronic circuit and electronic element and device Download PDFInfo
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- CN1515639A CN1515639A CNA031000959A CN03100095A CN1515639A CN 1515639 A CN1515639 A CN 1515639A CN A031000959 A CNA031000959 A CN A031000959A CN 03100095 A CN03100095 A CN 03100095A CN 1515639 A CN1515639 A CN 1515639A
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Abstract
The present invention belongs to the field of high-molecular material, in particular, it relates to an UV-light solidified coated composite for protecting electronic circuit and electronic element and device. It adopts polyurethane acrylic ester resin, monofunctionality acrylic ester or methyl acrylic ester diluent, difunctionality, multifunctionality acrylic ester or methyl acrylic ester and photoinitiator as main component and mixes them according to a certain weight percentage, and uses them as component A, then adopts aliphatic epoxy resin, vinyl ether, polybasic alcohol and cation photoinitiator as main component and mixes them according to a certain ratio so as to obtain component B. When it is used, two components of A and B can be mixed according to a certain ratio, and can be used.
Description
Invention field
The invention belongs to macromolecular material, particularly a kind of ultraviolet light polymerization coating constituent that is used to protect electronic circuit and electronic devices and components.
Background technology
All electronic products, its electron device all is connected on the printed-wiring board (PWB) by soldering.Be subjected to the influence of damp atmosphere or corrosive gases, tin welding spot gets rusty easily, corrodes, and causes electronic devices and components to come off, thereby causes electronic product to be out of order easily, influences the work-ing life of product.Being coated with one deck protection on electronic circuit board films; can prevent getting rusty of electronic circuit tin welding spot, the coming off etc. of electronic component, and can improve the performance such as oil resistant, moisture-proof heat, chemical resistance corrosion of circuit card; thereby can prevent the aging of electronic component, prolong the work-ing life of electronic product.Especially under the environment for use harsh conditions, the effect of circuit protection coating is more outstanding.
Ultraviolet-curing paint has the normal temperature fast setting, energy-conservation province consumption, and environmentally safe, the moisture-proof heat of filming, corrosion-resistant, ageing-resistant characteristics such as strong are suitable for the coating protection of printed-wiring board (PWB) most.At present, the domestic report of not seeing ultraviolet light polymerization circuit protection coating aspect as yet.
At present, domestic most of electronics producer adopts as yet and applies protection, and small part producer adopts traditional PU lacquer as supercoat, and its exists solidifies slowly, is unsuitable for pipelining, to shortcomings such as topsoil are serious.
Summary of the invention
The purpose of this invention is to provide a kind of ultraviolet light polymerization coating constituent that is used to protect electronic circuit and electronic devices and components, to overcome slow, the with serious pollution shortcoming of conventional P U technical cure.
The technology that the present invention adopts cationic curing to combine with radically curing, utilize the quick-setting characteristics of free radical, through after the UV-irradiation, system constituent of the present invention can reach surface drying fast, utilize positively charged ion to continue the solidified characteristics then, make and do not see that the light part also can completely solidified.
Technical solution of the present invention is: adopt polyurethane acrylate resin, single functionality acrylate or methacrylate diluent, two functionality, polyfunctional acrylic ester or methacrylic ester, light trigger are major ingredient, mix the back as the A component by certain weight percent.Adopt aliphatic epoxy resin, vinyl ether, polyvalent alcohol, cation light initiator are major ingredient, mix the back according to a certain percentage as the B component.During use, A, B two components are mixed, stirring gets final product, and wherein, the weight ratio of A component and B component is 10-90: 90-10.
The A component:
Polyurethane acrylate resin 20-60wt%
Single functionality acrylate or methacrylic ester 10-50wt%
Two functionality, polyfunctional acrylic ester or methacrylic ester 1-30wt%
Light trigger 1-10wt%
The B component:
Aliphatic epoxy resin 20-60wt%
Vinyl ether 10-50wt%
Polyvalent alcohol 5-20wt%
Cation light initiator 1-10wt%.
Preparation method of the present invention: polyurethane acrylate resin, single functionality acrylate or methacrylic ester, two functionality, polyfunctional acrylic ester or methacrylic ester and light trigger are mixed about 50 ℃ according to the above ratio, stirred about 1 hour, and promptly got the A component after the filtration.
Aliphatic epoxy resin, vinyl ether, polyvalent alcohol and cation light initiator are mixed according to the above ratio, stirred about 1 hour, promptly get the B component after the filtration.
A component and B component are mixed, promptly obtain the ultraviolet light polymerization constituent that is used to protect electronic circuit and electronic devices and components of the present invention, wherein, the weight ratio of A component and B component is 10-90: 90-10.Constituent of the present invention can adopt the spraying method construction.
Described polyurethane acrylate resin is by behind polyisocyanates and the polyol reaction, and intermediate product reacts with Hydroxyethyl acrylate or hydroxyethyl methylacrylate and makes.Available following general formula is represented:
Wherein R=-H or-CH
3, R '=C
1-C
10Alkyl, aryl or cycloalkyl; R " can be polyester chain or polyether chain.
Described single functionality acrylate thinner comprises Hydroxyethyl acrylate, Propylene glycol monoacrylate, dihydroxyphenyl propane mono acrylic ester, Hydrogenated Bisphenol A mono acrylic ester, cyclohexanediol mono acrylic ester or polyoxyethylene glycol mono acrylic ester or their any mixture etc.
Described single functionality methacrylate diluent comprises hydroxyethyl methylacrylate or Rocryl 410;
Can be expressed as follows with general formula:
Wherein R ' is-H or methyl, R
2Be the alkylidene group or the arylidene of 1～8 carbon atom.
Described two functionality acrylate or methacrylic ester can be represented with following general formula:
R wherein
3Be-H or methyl R
1Can be the alkylidene group of divalence or polyether chain etc.
Described polyfunctional acrylic ester is pentaerythritol triacrylate, tetramethylol methane tetraacrylate, dipentaerythritol acrylate or their any mixture etc.
Described polyfunctionality methacrylic ester is the Viscoat 295 of Viscoat 295, ethoxyquin or third oxidation or their any mixture etc.
Described light trigger can be 2-hydroxy-2-methyl-1-phenyl-acetone, 2-hydroxyl-phenylcyclohexane ketone or their any mixture etc. of Ciba-Geigy company.
Described aliphatic epoxy resin can be 3,4-epoxycyclohexyl methyl-3,4 epoxycyclohexane carboxylate, two-(3, the 4-epoxycyclohexyl) adipic acid ester or their any mixture etc.
Described vinyl ether can be ethene cyclic ethylene oxide compound, N-vinyl pyrrolidone, triethylene glycol divinyl ether, 1,4-cyclohexanedimethanol divinyl ether or their any mixture etc.
Described polyvalent alcohol can be polycaprolactone polyol, polyoxyethylene glycol, polypropylene glycol, polyester polyol or their any mixture etc.
Described cation light initiator can be triphenyl sulfosalt, diphenyl iodnium or their any mixture etc.
Effect of the present invention:
Constituent of the present invention is coated on the printed wiring surface, can plays waterproof, protection against the tide, anti-going mouldy and the effect of non-corrosibility gases affect,, reached U.S. army mark MIL-I-46058C standard through detecting.
Embodiment
Embodiment 1
The A component:
Urethane acrylate 50wt%
Propylene glycol monoacrylate 30wt%
Viscoat 295 15wt%
2-hydroxy-2-methyl-1-phenyl-acetone 5wt%
The B component:
3,4-epoxycyclohexyl methyl-3,4 epoxycyclohexane carboxylate 60Wt%
1,4-cyclohexanedimethanol divinyl ether 20wt%
Diethylene Glycol 15wt%
Triphenyl sulfosalt 5wt%
After raw material in A, the B component mixed separately by above-mentioned content; A, B component are mixed, wherein, the A component accounts for 90% of mixture again; the B component accounts for 10% of mixture, obtains being used to protect the ultraviolet light polymerization constituent of electronic circuit and electronic devices and components.The constituent that makes is sprayed on the surface of printed electronic circuit, and under UV-irradiation, (365nm, 80W/CM), exposed portion promptly reaches surface drying at 10-30 in second.Do not see light part naturally placement promptly reach surface drying, complete drying after 24 hours after 8 hours.Model after the application carries out 40 hours hot resistance test at 115 ℃ under the condition of relative humidity 98%, not seeing significantly films bubbles or cracking phenomena.
Embodiment 2
The A component:
Urethane acrylate 60wt%
1,6-hexanediol monoacrylate 30wt%
Viscoat 295 5wt%
2 '-hydroxyl-phenylcyclohexane ketone 5wt%
The B component:
Two-(3, the 4-epoxycyclohexyl) adipic acid ester 78wt%
N-vinyl pyrrolidone 12wt%
Caprolactone trivalent alcohol 5wt%
Triphenyl sulfosalt 3wt%
Diphenyl iodnium 2wt%
After raw material in A, the B component mixed separately by above-mentioned content; A, B component are mixed, wherein, the A component accounts for 10% of mixture again; the B component accounts for 90% of mixture, obtains being used to protect the ultraviolet light polymerization constituent of electronic circuit and electronic devices and components.The constituent that makes is sprayed on the surface of printed electronic circuit, and condition of cure is identical with embodiment 1.Model after the application carries out 40 hours hot resistance test at 115 ℃ under the condition of relative humidity 98%, not seeing significantly films bubbles or cracking phenomena.
Embodiment 3
The A component:
Aromatic urethane acrylate 50wt%
Pentaerythritol triacrylate 20wt%
1,6 hexanediyl ester 27wt%
2-hydroxy-2-methyl-1-phenyl-acetone 3wt%
The B component:
Two-(3, the 4-epoxycyclohexyl) adipic acid ester 60wt%
1,4-cyclohexanediol divinyl ether 20wt%
Caprolactone trivalent alcohol 15wt%
Triphenyl sulfosalt 2wt%
Diphenyl iodnium 3wt%
After raw material in A, the B component mixed separately by above-mentioned content; A, B component are mixed, wherein, the A component accounts for 70% of mixture again; the B component accounts for 30% of mixture, obtains being used to protect the ultraviolet light polymerization constituent of electronic circuit and electronic devices and components.The constituent that makes is sprayed on the surface of printed electronic circuit, and condition of cure is identical with embodiment 1.Model after the application carries out 40 hours hot resistance test at 115 ℃ under the condition of relative humidity 98%, not seeing significantly films bubbles or cracking phenomena.
Embodiment 4:
The A component:
Urethane acrylate 50Wt%
Propylene glycol monoacrylate 20Wt%
Hydroxyethyl methylacrylate 10Wt%
Viscoat 295 5Wt%
Tri (propylene glycol) diacrylate 10Wt%
2-hydroxy-2-methyl-1-phenyl-acetone 3Wt%
2-hydroxyl-phenylcyclohexane ketone 2Wt%
The B component
3,4-epoxycyclohexyl methyl-3,4 epoxycyclohexane carboxylate 30Wt%
Two-(3, the 4-epoxycyclohexyl) adipic acid ester 30Wt%
1,4-cyclohexanedimethanol two hexenyl ether 10Wt%
N-vinyl pyrrolidone 10Wt%
Two hexylene glycol 10Wt%
Caprolactone trivalent alcohol 5Wt%
Triphenyl sulfosalt 2Wt%
Diphenyl iodnium 3Wt%
After raw material in A, the B component mixed separately by above-mentioned content; A, B component are mixed, wherein, the A component accounts for 60% of mixture again; the B component accounts for 40% of mixture, obtains being used to protect the ultraviolet light polymerization constituent of electronic circuit and electronic devices and components.The constituent that makes is sprayed on the surface of printed electronic circuit, and condition of cure is identical with embodiment 1.Model after the application carries out 40 hours hot resistance test at 115 ℃ under the condition of relative humidity 98%, not seeing significantly films bubbles or cracking phenomena.
Claims (10)
1. ultraviolet light polymerization constituent that is used to protect electronic circuit and electronic devices and components, it is characterized in that: this constituent is made up of A, B two components, and wherein, the weight ratio of A component and B component is 10-90: 90-10;
The A component is:
Polyurethane acrylate resin 20-60wt%
Single functionality acrylate or methacrylic ester 10-50wt%
Two functionality, polyfunctional acrylic ester or methacrylic ester 1-30wt%
Light trigger 1-10wt%
The B component is:
Aliphatic epoxy resin 20-60wt%
Vinyl ether 10-50wt%
Polyvalent alcohol 5-20wt%
Cation light initiator 1-10wt%
2. constituent as claimed in claim 1 is characterized in that: described polyurethane acrylate resin is by behind polyisocyanates and the polyol reaction, and intermediate product reacts with Hydroxyethyl acrylate or hydroxyethyl methylacrylate and makes, and general formula is:
Wherein R=-H or-CH
3, R '=C
1-C
10Alkyl, aryl or cycloalkyl; R " is polyester chain or polyether chain.
3. constituent as claimed in claim 1 is characterized in that: described single functionality acrylate comprises Hydroxyethyl acrylate, Propylene glycol monoacrylate, dihydroxyphenyl propane mono acrylic ester, Hydrogenated Bisphenol A mono acrylic ester, cyclohexanediol mono acrylic ester, polyoxyethylene glycol mono acrylic ester or their any mixture;
Described single functionality methacrylic ester comprises hydroxyethyl methylacrylate or Rocryl 410, and general formula is:
Wherein R ' is-H or methyl, R
2Be the alkylidene group or the arylidene of 1～8 carbon atom.
4. constituent as claimed in claim 1 is characterized in that: the general formula of described two functionality acrylate or methacrylic ester is:
R wherein
3Be-H or methyl R
4Be the alkylidene group or the polyether chain of divalence.
5. constituent as claimed in claim 1 is characterized in that: described polyfunctional acrylic ester is pentaerythritol triacrylate, tetramethylol methane tetraacrylate, dipentaerythritol acrylate or their any mixture;
Described polyfunctionality methacrylic ester is the Viscoat 295 of Viscoat 295, ethoxyquin or third oxidation or their any mixture.
6. constituent as claimed in claim 1 is characterized in that: described light trigger be 2-hydroxy-2-methyl-1 phenyl-acetone, 2 '-hydroxyl-phenylcyclohexane ketone, benzoin dimethylether or their any mixture.
7. constituent as claimed in claim 1 is characterized in that: described aliphatic epoxy resin is 3,4-epoxycyclohexyl methyl-3,4 epoxycyclohexane carboxylate, two-(3, the 4-epoxycyclohexyl) adipic acid ester or their any mixture.
8. constituent as claimed in claim 1 is characterized in that: described polyvalent alcohol is polycaprolactone polyol, polyoxyethylene glycol, polypropylene glycol, polyester polyol or their any mixture.
9. constituent as claimed in claim 1 is characterized in that: described vinyl ether is ethene cyclic ethylene oxide compound, N-vinyl pyrrolidone, triethylene glycol divinyl ether, 1,4-cyclohexanedimethanol divinyl ether or their any mixture.
10. constituent as claimed in claim 1 is characterized in that: described cation light initiator is triphenyl sulfosalt, diphenyl iodnium or their any mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031000959A CN1515639A (en) | 2003-01-09 | 2003-01-09 | UV light solidified composition for protecting electronic circuit and electronic element and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031000959A CN1515639A (en) | 2003-01-09 | 2003-01-09 | UV light solidified composition for protecting electronic circuit and electronic element and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1515639A true CN1515639A (en) | 2004-07-28 |
Family
ID=34238896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031000959A Pending CN1515639A (en) | 2003-01-09 | 2003-01-09 | UV light solidified composition for protecting electronic circuit and electronic element and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1515639A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027369B (en) * | 2004-08-30 | 2010-10-13 | 帝斯曼知识产权资产管理有限公司 | Curable liquid resin optical fiber upjacket composition |
| CN101280154B (en) * | 2007-04-06 | 2010-10-13 | 上海海优威电子技术有限公司 | Ultraviolet curing vacuum metallizing coating |
| CN101034258B (en) * | 2006-10-25 | 2011-06-01 | 深圳市飞世尔实业有限公司 | Liquid light curing resin composition |
| CN102675590A (en) * | 2012-05-25 | 2012-09-19 | 深圳职业技术学院 | Preparation method for alicyclic epoxy and double bond contained dual-curing resin and application thereof |
| CN102850898A (en) * | 2011-07-01 | 2013-01-02 | 湖南晟通科技集团有限公司 | Cation light cured anti-corrosive coating |
| CN103980813A (en) * | 2014-05-19 | 2014-08-13 | 东南大学 | Cycloaliphatic epoxy polyurethane acrylate ultraviolet-curable coating and preparation method of ultraviolet-curable coating |
| JP2014522824A (en) * | 2011-07-01 | 2014-09-08 | ビーエーエスエフ ソシエタス・ヨーロピア | Ether of bis (hydroxymethyl) cyclohexane |
| CN104293123A (en) * | 2013-07-17 | 2015-01-21 | 深圳富泰宏精密工业有限公司 | Coating composition and electronic device main board using same |
| CN104327217A (en) * | 2014-08-20 | 2015-02-04 | 昆山博益鑫成高分子材料有限公司 | Ultraviolet light cured non-silicon release agent and preparation method thereof |
| CN104530789A (en) * | 2015-01-19 | 2015-04-22 | 广东希贵光固化材料有限公司 | Cationic photocureable coating for transfer printing film |
| CN108473648A (en) * | 2015-11-23 | 2018-08-31 | 汉高股份有限及两合公司 | Cationic photopolymerization transfer polymerization |
| CN109219653A (en) * | 2016-06-07 | 2019-01-15 | 横滨橡胶株式会社 | detergent composition |
| CN113292903A (en) * | 2021-05-21 | 2021-08-24 | 无锡时生高分子科技有限公司 | Solvent-free UV-curing type three-proofing adhesive |
-
2003
- 2003-01-09 CN CNA031000959A patent/CN1515639A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027369B (en) * | 2004-08-30 | 2010-10-13 | 帝斯曼知识产权资产管理有限公司 | Curable liquid resin optical fiber upjacket composition |
| CN101034258B (en) * | 2006-10-25 | 2011-06-01 | 深圳市飞世尔实业有限公司 | Liquid light curing resin composition |
| CN101280154B (en) * | 2007-04-06 | 2010-10-13 | 上海海优威电子技术有限公司 | Ultraviolet curing vacuum metallizing coating |
| CN102850898B (en) * | 2011-07-01 | 2016-02-17 | 湖南晟通科技集团有限公司 | A kind of cation photocuring protective system |
| CN102850898A (en) * | 2011-07-01 | 2013-01-02 | 湖南晟通科技集团有限公司 | Cation light cured anti-corrosive coating |
| JP2014522824A (en) * | 2011-07-01 | 2014-09-08 | ビーエーエスエフ ソシエタス・ヨーロピア | Ether of bis (hydroxymethyl) cyclohexane |
| CN102675590A (en) * | 2012-05-25 | 2012-09-19 | 深圳职业技术学院 | Preparation method for alicyclic epoxy and double bond contained dual-curing resin and application thereof |
| CN104293123A (en) * | 2013-07-17 | 2015-01-21 | 深圳富泰宏精密工业有限公司 | Coating composition and electronic device main board using same |
| CN103980813A (en) * | 2014-05-19 | 2014-08-13 | 东南大学 | Cycloaliphatic epoxy polyurethane acrylate ultraviolet-curable coating and preparation method of ultraviolet-curable coating |
| CN103980813B (en) * | 2014-05-19 | 2016-07-06 | 东南大学 | Alicyclic epoxy urethane acrylate ultraviolet-curing paint and preparation method thereof |
| CN104327217A (en) * | 2014-08-20 | 2015-02-04 | 昆山博益鑫成高分子材料有限公司 | Ultraviolet light cured non-silicon release agent and preparation method thereof |
| CN104327217B (en) * | 2014-08-20 | 2017-05-31 | 昆山博益鑫成高分子材料有限公司 | A kind of ultraviolet light polymerization non-silicon mould release and preparation method thereof |
| CN104530789A (en) * | 2015-01-19 | 2015-04-22 | 广东希贵光固化材料有限公司 | Cationic photocureable coating for transfer printing film |
| CN108473648A (en) * | 2015-11-23 | 2018-08-31 | 汉高股份有限及两合公司 | Cationic photopolymerization transfer polymerization |
| CN109219653A (en) * | 2016-06-07 | 2019-01-15 | 横滨橡胶株式会社 | detergent composition |
| US11034922B2 (en) | 2016-06-07 | 2021-06-15 | The Yokohama Rubber Co., Ltd. | Cleaning agent composition |
| CN109219653B (en) * | 2016-06-07 | 2021-07-13 | 横滨橡胶株式会社 | Detergent composition |
| CN113292903A (en) * | 2021-05-21 | 2021-08-24 | 无锡时生高分子科技有限公司 | Solvent-free UV-curing type three-proofing adhesive |
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