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Composition and application for resisting oxygen resistance and improving surface curing degree of photocurable ink

A light-curing ink and surface curing technology, which can be used in inks, applications, household appliances, etc., can solve the problems of UV-curable ink surface drying speed and surface performance limitations, coating bottom layer curing, surface uncured, etc., to achieve excellent photosensitivity Improvement of sex, photosensitivity, and improvement of surface film retention

Active Publication Date: 2021-12-10
深圳市容大感光科技股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The main technical problem to be solved by the present invention is: aiming at the limitation of deep layer curing, surface drying speed and surface performance of UV curable ink due to the polymerization inhibition effect of oxygen at present, resulting in the problem that the bottom layer of the coating is cured and the surface is not cured and sticky , providing an ink composition that resists oxygen resistance and improves the surface curing degree of photocurable inks, a preparation method of the ink composition, and applications thereof

Method used

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  • Composition and application for resisting oxygen resistance and improving surface curing degree of photocurable ink
  • Composition and application for resisting oxygen resistance and improving surface curing degree of photocurable ink

Examples

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Embodiment

[0071] Resin Synthesis Example

[0072] Synthetic Example 1 (photosensitive resin 1)

[0073] In the reactor, add 200g novolac epoxy resin CNE-202 (Taiwan Changchun Life Resin Factory, epoxy equivalent 210), 250g propylene glycol methyl ether acetate (PMA), 69g acrylic acid, heat and melt, then add 0.5g p-phenylene Diphenol and 1.5 g of triphenylphosphine were reacted at 110° C. for 12 hours to obtain a product with an acid value of less than 5. Then add 85g of tetrahydrophthalic anhydride, heat to 100°C, and react for 6 hours to obtain light yellow resin solution A1 (photosensitive resin 1), with an acid value of 52mgKOH / g, a solid content of 59%, and a Mw of about 2000 .

[0074] Synthetic Example 2 (photosensitive resin 2)

[0075] Add methyl methacrylate, butyl methacrylate and acrylic acid in the reactor according to the molar ratio of 1:1:2, use carbitol acetate as the solvent, and use azobisisobutyronitrile (AIBN) as the catalyst , stirred at 80° C. for 4 hours to o...

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Abstract

The invention provides a composition and application for resisting oxygen resistance and improving the surface curing degree of photocurable ink. Wherein the composition comprises a silicone leveling agent and a thiol containing a mercapto group. The present invention realizes the improvement of the crosslinking degree of the ink by adopting the above-mentioned composition for resisting oxygen resistance and / or improving the degree of curing of the surface of the photocurable ink, and then realizes the improvement of the film retention rate of the ink and the adhesion of the ink to the coated surface. Efforts should be made to improve the photosensitivity of the ink, and the chemical resistance such as corrosion resistance.

Description

technical field [0001] The invention belongs to the field of circuit board inks, and in particular relates to a composition which resists oxygen resistance and improves the surface curing degree of photocurable inks, a preparation method thereof and an application in printed circuit boards, belonging to cured coatings in electronic materials. Background technique [0002] UV-curable coatings (such as ink compositions) are high-efficiency and environmentally friendly green coatings, which are cured by initiating a chain polymerization reaction between reactive substances under the irradiation of ultraviolet light. Specifically, UV curing refers to the technology of instantaneous polymerization and crosslinking of organic formula material systems under ultraviolet light irradiation. , ink, adhesive field. Compared with traditional solvent-based heat-curing coatings, UV-curing coatings (such as ink compositions) have the advantages of low VOC emissions, fast curing speed, low ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/03C09D11/101
CPCC09D11/03C09D11/101
Inventor 王俊峰杨遇春刘启升
Owner 深圳市容大感光科技股份有限公司
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