CN103421459B - A kind of UV of applicable thin film coatings technique solidifies conformal coating - Google Patents
A kind of UV of applicable thin film coatings technique solidifies conformal coating Download PDFInfo
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- CN103421459B CN103421459B CN201310396040.8A CN201310396040A CN103421459B CN 103421459 B CN103421459 B CN 103421459B CN 201310396040 A CN201310396040 A CN 201310396040A CN 103421459 B CN103421459 B CN 103421459B
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Abstract
The present invention is that a kind of UV of applicable thin film coatings technique solidifies conformal coating, and it is composed as follows by weight that described UV solidifies conformal coating: (methyl) acrylate resin 0 ~ 40 part; (methyl) vinylformic acid reactive thinner 30 ~ 70 parts; Light trigger? 0 ~ 10 part; Other 0 ~ 5 part.This patent, compared with general low viscosity UV glue, has excellent protective value, and high-temp resisting high-humidity resisting, salt spray resistance, cold-hot impact; Compared with the UV glue that general protective value is good, there is low viscous feature, be applicable to thin film coatings technique, can coating efficiency be increased substantially; Compared with general low viscosity UV glue, there is low surface drying energy, quick-setting feature.
Description
Technical field
The present invention relates to polymeric material field, relate to a kind of UV curing overlay film glue particularly, meet thin film coatings glue-applying technique.
Background technology
Thin film coated is a kind of important Modern Surface Engineering Technology.Chemical composition, the weave construction of coat can be identical with body material.Coated film thickness is very little and dimension precision requirement is very high, can play the effect of three aspects: optimizing surface performance, meticulous microfabrication and produce new functional materials.Film is employed and multiple field, as aviation field, ship inspection protection field, machinery industry, power industry and bridge construction.The application of paint-on technique in engineering is produced improves the quality of product and the security of engineering, decreases unnecessary loss of life and personal injury, brings very large economic benefit.Concrete paint-on technique has plating, sprays paint, thermospray and gas phase deposition technology etc.
The glue-applying technique of traditional conformal coating has brushing, compressed air spraying, dip-coating, thin film coatings, wherein most effective with thin film coatings, is more and more subject to the attention of producer.
Coated material is formed a kind of controlled, homogeneous film by film coating process, instead of spraying.Material is pushed out Glue dripping head and some glue nozzle under low pressure state, and material just adhered on circuit boards before reaching atomization point.Therefore it can reach the colloid transfer efficiency of more than 99%, and material use efficiency is improve 30-50 percentage point.It can within the several seconds circuit card of Selective coating complexity.Because coating material does not reach atomizing state, but Accurate Points glue is to specific region, and crossing spray, mask and doing over again of often occurring in conventional surface coating processes all controls to minimum level, eliminates even completely.This new film coating process response is faster, and repeatability is higher, and the life-span is also longer, easy to clean simultaneously, more environmental protection.
But thin film coatings technique its have strict demand to conformal coating water viscosity, on the low side favourable with viscosity, but reducing glue viscosity, to damage conformal coating protective value be cost.Meanwhile, low viscosity UV solidified glue, its surface drying energy generally can be larger, how at guarantee protective value, fast setting (surface drying energy≤1000mJ/cm
2) prerequisite under, make it to meet thin film coatings technique, more harsh requirement proposed to the performance of conformal coating water.Conformal coating requires after the severe condition such as high-temp resisting high-humidity resisting test, salt spray resistance test, cold-hot Impact Test are aging, and its protective value is also very excellent.
Summary of the invention
The object of this invention is to provide a kind of protective value solvent-free UV that is excellent, that be applicable to thin film coatings technique and solidify conformal coating.
In order to thought object of the present invention, following technical scheme is proposed:
The UV of applicable thin film coatings technique solidifies a conformal coating, and it is composed as follows by weight that described UV solidifies conformal coating:
(methyl) acrylate resin 0 ~ 40 part;
(methyl) vinylformic acid reactive thinner 30 ~ 70 parts;
Light trigger 0 ~ 10 part;
Other 0 ~ 5 part.
Described (methyl) acrylate resin is a kind of and several mixture of epoxy (methyl) acrylate, urethane (methyl) acrylate, polyester (methyl) acrylate or polyethers (methyl) acrylate and modifier thereof, the more preferably mixture of urethane (methyl) acrylate.
Described (methyl) vinylformic acid reactive thinner is the mixture of one or more in triglycerin two (methyl) acrylate, ethoxyquin triglycerin two (methyl) acrylate, tetrahydrofuran (THF) (methyl) acrylate, 1,6-hexylene glycol two (methyl) acrylate, the third oxidation glycerol triacrylate, (methyl) isobornyl acrylate, (methyl) acrylic silicon ester, (methyl) vinylformic acid Bian ester, 2-Phenoxyethyl (methyl) acrylate.
Described light trigger is 2-hydroxy-methyl phenyl-propane-1-ketone, 1-hydroxycyclohexyl phenyl ketone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone, benzoin dimethylether, benzophenone, different monooctyl ester of contraposition N, N-dimethylaminobenzoic acid, 2; 4; 6-trimethylbenzoy-dipheny phosphine oxide, 2; the mixture of one or more in 4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester, the macromolecular cpd that is derived by above-mentioned light trigger.
Other additives described are the mixture of one or more in pigment, defoamer, flow agent, wetting agent, dispersion agent.
the beneficial effect of this patent compared with conventional art:
1, compared with general low viscosity UV glue, there is excellent protective value, such as high-temp resisting high-humidity resisting, salt spray resistance, cold-hot impact.
2, compared with good with general protective value UV glue, there is low viscous feature, be applicable to thin film coatings technique, can coating efficiency be increased substantially.
3, compared with general low viscosity UV glue, there is low surface drying energy, quick-setting feature.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, the present invention is described in more detail.
The present invention selects (methyl) acrylate resin, (methyl) vinylformic acid reactive thinner, light trigger, the auxiliary agent of uV curable, by suitable formula rate, prepares UV curing overlay film glue.According to the result of embodiment, this tackiness agent meets the laminated adhesive thin film coatings manufacturing technique requirent being applied to pcb board protection completely.
Specific embodiment:
Preparation method: accurately take various raw material by formula rate, produces UV curing overlay film glue according to aforesaid preparation technology, the tensile strength of testing glue surface drying energy, wet solid surface drying time and cured glue body, elongation at break and hardness.
Above-described specific embodiment; further detailed description has been carried out to object of the present invention, technical scheme and beneficial effect; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. the UV of applicable thin film coatings technique solidifies a conformal coating, it is characterized in that, it is composed as follows that described UV solidifies conformal coating parts by weights number:
(methyl) acrylate resin 40 parts
(methyl) propionic acid acid activity thinner 30 ~ 70 parts
Light trigger 10 parts
Other 0-5 part
Described (methyl) acrylate resin is epoxy (methyl) acrylate, urethane (methyl) acrylate, polyester (methyl) acrylate or polyethers (methyl) acrylate and modifier thereof;
Described (methyl) vinylformic acid reactive thinner is the mixture of one or more in triglycerin two (methyl) acrylate, ethoxyquin triglycerin two (methyl) acrylate, tetrahydrofuran (THF) (methyl) acrylate, 1,6-hexylene glycol two (methyl) acrylate, the third oxidation glycerol triacrylate, isobornyl methacrylate, (methyl) acrylic silicon ester, (methyl) vinylformic acid Bian ester;
Described light trigger is 2-hydroxy-methyl phenyl-propane-1-ketone, 1-hydroxycyclohexyl phenyl ketone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone, benzoin dimethylether, benzophenone, different monooctyl ester of contraposition N, N-dimethylaminobenzoic acid, 2,4,6-trimethylbenzoy-dipheny phosphine oxide, 2,4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester, the mixture of one or more in the macromolecular cpd be derived by above-mentioned light trigger;
Other additive described is the mixture of one or more in pigment, defoamer, flow agent, wetting agent, dispersion agent.
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| CN201310396040.8A CN103421459B (en) | 2013-09-04 | 2013-09-04 | A kind of UV of applicable thin film coatings technique solidifies conformal coating |
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| CN201310396040.8A CN103421459B (en) | 2013-09-04 | 2013-09-04 | A kind of UV of applicable thin film coatings technique solidifies conformal coating |
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| CN103421459A CN103421459A (en) | 2013-12-04 |
| CN103421459B true CN103421459B (en) | 2015-12-09 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104610898A (en) * | 2014-12-31 | 2015-05-13 | 东莞金杯印刷有限公司 | UV laminating adhesive, laminating machine applying UV laminating adhesive and processing method of laminating machine |
| CN104892910B (en) * | 2015-06-23 | 2017-08-04 | 广东博兴新材料科技有限公司 | A kind of low viscosity（It is branched）Polyether acrylate and its preparation method and application |
| CN105505137B (en) * | 2016-01-13 | 2017-12-29 | 烟台柳鑫新材料科技有限公司 | A kind of PCB cover plate for drilling hole and preparation method thereof |
| CN110194945A (en) * | 2018-12-03 | 2019-09-03 | 上海康达化工新材料股份有限公司 | Solvent-free Laminating adhesive of a kind of UV/EB solidification and preparation method thereof |
| CN111378399B (en) * | 2020-04-24 | 2022-08-02 | 成都优威易比应用技术有限公司 | Self-adhesive functional composite membrane and preparation method thereof |
| CN111909601A (en) * | 2020-08-14 | 2020-11-10 | 合肥卡那光电科技有限公司 | Coating liquid for film coating, preparation process and coating method thereof |
| CN113698907A (en) * | 2021-08-24 | 2021-11-26 | 浙江安雅新材料有限公司 | Ultraviolet-curing laminated adhesive for labels and preparation method thereof |
| CN115124970A (en) * | 2022-07-29 | 2022-09-30 | 浙江国能科技有限公司 | Polyurethane three-proofing adhesive and preparation method and application thereof |
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| CN103031053A (en) * | 2013-01-06 | 2013-04-10 | 北京海斯迪克新材料有限公司 | UV-cured peelable blue gel for temporary protection of touch screen and preparation method thereof |
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| CN1290953C (en) * | 2003-07-01 | 2006-12-20 | 中国乐凯胶片集团公司 | UV photo-curing adhesive for lamination of polarizer sheet protective membrane |
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| US6126731A (en) * | 1998-08-21 | 2000-10-03 | Idea Development Company | Polymerizable ink composition |
| CN101838505A (en) * | 2009-10-26 | 2010-09-22 | 东莞市派乐玛新材料技术开发有限公司 | Colored light-curing adhesive for adhering and sealing filled-words of metal keys and preparation method thereof |
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Effective date of registration: 20160421 Address after: 100041 Beijing City, Shijingshan District Badachu high tech Park Park Road No. 5 Patentee after: BEIJING TIANSHAN NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 100041 Beijing City, Shijingshan District Badachu high tech Park Park Road No. 5, room 101 Patentee before: Beijing Hystic New Materials Co., Ltd. |
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