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Title:
DEALCOHOLIZATION-TYPE ROOM TEMPERATURE VULCANIZED SILICONE RUBBER AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/040689
Kind Code:
A1
Abstract:
The present invention relates to the field of silicone rubbers, and in particular relates to a dealcoholization-type room temperature vulcanized silicone rubber and a preparation method therefor. The dealcoholization-type room temperature vulcanized silicone rubber is prepared from raw materials comprising the following components: α,ω-dihydroxy polydimethylsiloxane, dimethyl silicone oil, a reinforcing filler, a cross-linking agent, a silane coupling agent, an organic tin catalyst and a co-catalyst. In the present invention, a certain amount of the co-catalyst is added to the dealcoholization-type room temperature vulcanized silicone rubber, such that the reaction activity of hydroxyl-terminated polydimethylsiloxane and the catalytic activity of the organic tin catalyst can be effectively balanced, and a viscosity peak will not be generated during the molding process of the room temperature vulcanized silicone rubber.

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Inventors:
JIE ZHIQIANG (CN)
ZHU KAI (CN)
Application Number:
PCT/CN2022/123374
Publication Date:
February 29, 2024
Filing Date:
September 30, 2022
Export Citation:
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Assignee:
GOLOHO POLYMER JIANGXI CO LTD (CN)
International Classes:
C08L83/04; C08G77/12; C08G77/38; C08G77/395; C08G77/398; C08K3/26; C08K3/36; C08K5/5419; C08K5/5425; C08K5/5435; C08K5/57; C08K7/26
Domestic Patent References:
WO2004022231A12004-03-18
Foreign References:
CN110709473A2020-01-17
CN101153076A2008-04-02
CN112250704A2021-01-22
JP2003165841A2003-06-10
JPH06271679A1994-09-27
CN105176482A2015-12-23
CN105368063A2016-03-02
CN105950099A2016-09-21
Other References:
HUANG BIAO, FU ZHISHENG, FAN ZHIQIANG: "Application of titanosilsesquioxane complexes as catalyst", CHINA SYNTHETIC RESIN AND PLASTICS., vol. 25, no. 3, 25 May 2008 (2008-05-25), pages 79 - 83, XP093142193, DOI: 1002-1396(2008)03-0079-05
Attorney, Agent or Firm:
ZHEJIANG KG IP LAW FIRM (CN)
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