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Multifunctional protective material with high-pressure water-jet-cutting resistance and preparation method thereof

A protective material, water jet technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of low production efficiency and yield, achieve high degree of automation, easy filtration and separation, and process automation. high effect

Active Publication Date: 2017-01-04
国科广化(南雄)新材料研究院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, it is a common technical problem in the mobile phone and other processing industries that repeated temporary protection is required during the production and processing of mobile phones, resulting in low production efficiency and yield.

Method used

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  • Multifunctional protective material with high-pressure water-jet-cutting resistance and preparation method thereof
  • Multifunctional protective material with high-pressure water-jet-cutting resistance and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Add 100 grams of novolac epoxy resin (NPPN-638S), 0.2 grams of triphenylphosphine, and 0.1 grams of hydroquinone into the reactor, raise the temperature to 105°C, add 45 grams of acrylic acid and 90 grams of 3,7-dimethyl - The mixed solution of 6-octenoic acid was slowly and continuously added dropwise for 50 minutes with a constant pressure funnel, and after the dropwise addition was completed, it was kept at 105° C. for 2 hours to obtain a novolak epoxy acrylic resin.

[0036] Weigh the following raw materials in parts by weight: 40 parts of novolac epoxy acrylic resin, 20 parts of alkoxylated nonylphenol acrylate, 2 parts of 1-hydroxycyclohexyl phenyl ketone, 15 parts of talcum powder, 15 parts of barium sulfate, acryloyl trimethyl 1 part of oxysilane, 0.2 part of defoamer. Mix novolac epoxy acrylic resin with active diluent, add photoinitiator, filler, defoamer, form a uniform viscous liquid after high-speed stirring, put the viscous liquid into a grinder and grind ...

Embodiment 2

[0038] Add 100 grams of novolac epoxy resin (NPPN-638S), 0.4 grams of triphenylphosphine, and 0.2 grams of hydroquinone into the reactor, raise the temperature to 95°C, add 30 grams of acrylic acid and 130 grams of 3,7-dimethyl - The mixed solution of 6-octenoic acid was slowly and continuously added dropwise for 90 minutes with a constant pressure funnel, and after the dropwise addition was completed, it was kept at 130° C. for 4 hours to obtain a novolac epoxy acrylic resin.

[0039] Weigh the following raw materials in parts by weight: 70 parts of phenolic epoxy acrylic resin, 10 parts of lauryl acrylate, 6 parts of 2-isopropylthioxanthone, 10 parts of talcum powder, 3 parts of hydroxyethyl acryloyl phosphate, disinfectant 1.0 parts of foaming agent. Mix novolac epoxy acrylic resin with active diluent, add photoinitiator, filler, defoamer, form a uniform viscous liquid after high-speed stirring, put the viscous liquid into a grinder and grind to obtain the protective materi...

Embodiment 3

[0041] Add 100 grams of novolac epoxy resin (NPPN-638S), 0.3 grams of triphenylphosphine, and 0.1 grams of hydroquinone into the reactor, raise the temperature to 101°C, add 35 grams of acrylic acid and 110 grams of 3,7-dimethyl - The mixed solution of 6-octenoic acid was slowly and continuously added dropwise for 70 minutes with a constant pressure funnel, and after the dropwise addition was completed, it was kept at 105° C. for 3 hours to obtain a novolac epoxy acrylic resin.

[0042]Weigh the following raw materials in parts by weight: 50 parts of novolak epoxy acrylic resin, 30 parts of pentaerythritol tetraacrylate, 2-methyl-2-(4-morpholinyl)-1-[4-(methylthio)phenyl] - 4 parts of 1-acetone, 12 parts of zinc stearate, 2 parts of methacryl trippropoxysilane, 0.5 part of defoamer. Mix novolac epoxy acrylic resin with active diluent, add photoinitiator, filler, defoamer, form a uniform viscous liquid after high-speed stirring, put the viscous liquid into a grinder and grind t...

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Abstract

The invention belongs to the technical field of multifunctional protective materials and discloses a multifunctional protective material with high-pressure water-jet-cutting resistance and hydrofluoric-acid etching resistance and a preparation method and application thereof, especially for the machining fields of cover plates, touch screens and shells of mobile phones. The multifunctional protective material comprises the following components in parts by weight: 40-70 parts of phenolic epoxy acrylate resin, 10-30 parts of an active diluent, 2-6 parts of a photoinitiator, 10-30 parts of filler, 1-3 parts of an adhesion promoter and 0.2-1.0 part of a defoaming agent. The multifunctional protective material disclosed by the invention has the advantages that by silk-screen printing or spraying and UV curing, the obtained coating layer shows excellent adhesion on glass or metal substrates, so that the phenomena of hollowing, edge warping, dropping and the like in the processes of water-cutting scribing and CNC (Computer Numerical Control) carving process can be avoided; hydrofluoric acid with the concentration of 20% can be resisted for more than 30 minutes, so that the requirement for the protective performance can be met; due to use of environmental-friendly film dropping water, no residual film is left, and pieced dropping is achieved in film dropping; and the separation is easy, the automation degree of the process is high, and safe and environmental-friendly effects are achieved.

Description

technical field [0001] The invention belongs to the technical field of multifunctional protective materials, and in particular relates to a multifunctional protective material resistant to high-pressure water jet cutting and hydrofluoric acid corrosion and its preparation method and application, especially the processing of mobile phone cover plates, touch screens, casings, etc. field. Background technique [0002] At present, the processing parts of mobile phone covers, touch screens, and casings still use conventional cutting tools and fine carving techniques. The protective materials required for this process have mature products on the market. Under the premise of pursuing low-cost and high-efficiency electromechanical manufacturing processes, high-pressure water jet cutting (water cutting) technology with high efficiency and high product yield has been adopted in the fields of mobile phone cover, touch screen, and shell processing. This process technology has low produ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D5/08C09D7/12C08G59/17C08G59/16
CPCC08G59/1466C08G59/1472C08K3/22C08K3/30C08K3/34C08K3/346C08K3/36C08K5/098C08K5/5425C08K13/02C08K2003/2241C08K2003/3045C09D5/08C09D163/10
Inventor 胡文光吴昆黄晓梅史珺
Owner 国科广化(南雄)新材料研究院有限公司
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