High-performance modified resin electric anti-gum agent
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A modified resin, high-performance technology, applied in coatings and other directions, can solve problems such as pungent smell, poor salt spray resistance, human health hazards, etc., and achieve the effect of pleasant smell and fragrant smell
Inactive Publication Date: 2018-10-16
上海牛盟科技有限公司
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Problems solved by technology
[0003] However, traditional acrylic electric anti-adhesive (three anti-paint), containing benzene and aromatic solvents, has a pungent smell and is harmful to human health
Traditional acrylic electric anti-adhesive (three anti-paint), the
Method used
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[0030] Example 1: A high-performance modified resin electric anti-glue, including the following components by mass percentage:
[0052] The silane coupling agent is methacryloxypropyltrimethoxysilane.
[0053] The acrylate copolymer leveling agent is a pure acrylic leveling agent.
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Abstract
The invention relates to the technical field of acrylic acid electric anti-gum agent, in particular to high-performance modified resin electric anti-gum agent which comprises, in weight percent, 30-49.8% of thermoplastic acrylic acid resin, 10-15% of cellulose acetate butyrate, 0.1-0.5% of silane coupling agents, 0.1-0.5% of acrylate copolymer flatting agents, 0-0.2% of fluorescent whitening agents and 40-59.8% of propylene glycol methyl ether acetate (PMA). The high-performance modified resin electric anti-gum agent takes a PMA solvent as a solvent, a benzene solvent is omitted, and the modified resin electric anti-gum agent is low in odor, environmentally friendly, high in paint film adhesive force, excellent in bonding strength, water resistance and salt spray resistance and the like.
Description
technical field [0001] The invention relates to the technical field of acrylic electric anti-adhesive, in particular to a high-performance modified resin electric anti-adhesive. Background technique [0002] Acrylic electrical anti-adhesive, also known as conformal paint, PCBA protective oil, PCBA waterproof adhesive, PCBA insulating paint, is a specially formulated coating used to protect circuit boards and related equipment from environmental erosion. In the actual application environment, such as chemical, vibration, dust, salt spray, humidity and high temperature, low temperature and other environments, the circuit board may have problems such as corrosion, softening, deformation, mildew, etc., which will cause the circuit board to malfunction, and through The spraying of conformal paint forms a 25-75um coating film on the PCB. The coating film provides excellent protection and coverage, thereby improving and extending the service life of the PCB and ensuring the safety ...
Claims
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Application Information
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