Dealcoholized silicone sealant and preparation method thereof

A silicone sealant, dealcoholization technology, applied in chemical instruments and methods, adhesives, other chemical processes, etc., can solve the problems of transparency, unsatisfactory yellowing, unstable storage, and adhesiveness to be improved, etc. Achieve the effects of poor compatibility, high transparency and poor stability
CN103484056AActive Publication Date: 2014-01-01GUANGZHOU GLORYSTAR CHEM +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
GUANGZHOU GLORYSTAR CHEM
Publication Date
2014-01-01

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Abstract

The invention provides a dealcoholized silicone sealant and a preparation method thereof. The formula of the sealant comprises the following components in parts by weight: 100 parts by weight of poly-alkoxy silicyl polydimethylsiloxane, 1-20 parts by weight of cross-linking agent, 1-50 parts by weight of gaseous phase white carbon black, 0.1-10 parts by weight of tackifier, 0.001-1 part by weight of catalyst and 0-30 parts by weight of silicone oil plasticizer, wherein the viscosity of the poly-alkoxy silicyl polydimethylsiloxane at 25 DEG C is 0.1 Pa.S to 500 Pa.S; the cross-linking agent is one or more of morpholinyl methyl trialkoxy silane or partial hydrolysis condensates thereof; the catalyst is an organic tin compound. The dealcoholized silicone sealant provided by the invention has the characteristics of good transparency, low yellowing, storage stability, excellent adhesion and the like.
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Description

Technical field

[0001] The invention relates to a dealcoholized silicone sealant and a preparation method thereof, and belongs to the field of organic silicon sealing materials. Background technique

[0002] With the rapid development of electronics and electrical appliances, automobile transportation, civil construction, office machinery and other industries, dealcoholized silicone sealants have become the industry and research due to the advantages of non-corrosion, non-toxicity, convenient use and low price for most materials. Research hotspots of institutions and universities. And in many fields, dealcoholized silicone sealant has been widely used, such as printed circuit board coating, electronic and electrical parts bonding and fixing, automobile, LED lamp assembly, door and window sealing, mirror or handicraft bonding Sealing, etc., its development prospects are very impressive.

[0003] At present, many well-known silicone sealant companies at home and abroad prepare one-...

Claims

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