- 专利标题: Curable silicone composition, release coating agent comprising said composition, release film obtained using said release coating agent, and layered product including said release film
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申请号: US17418391申请日: 2019-12-27
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公开(公告)号: US12037525B2公开(公告)日: 2024-07-16
- 发明人: Michitaka Suto , Tadashi Okawa , Satoshi Onodera , Hidefumi Tanaka , Haruhiko Furukawa
- 申请人: Dow Toray Co., Ltd.
- 申请人地址: JP Tokyo
- 专利权人: DOW TORAY CO., LTD.
- 当前专利权人: DOW TORAY CO., LTD.
- 当前专利权人地址: JP Tokyo
- 代理机构: Warner Norcross + Judd LLP
- 优先权: JP 18245682 2018.12.27
- 国际申请: PCT/JP2019/051410 2019.12.27
- 国际公布: WO2020/138417A 2020.07.02
- 进入国家日期: 2021-06-25
- 主分类号: C09J7/40
- IPC分类号: C09J7/40 ; C09J7/38
摘要:
Provided is a curable silicone composition for a release agent which can form a release film having a silicone adhesive with a low release force even when thin and which does not reduce the adhesive strength of the silicone adhesive to other substrates upon releasing the release film. Also provided is a release film, laminate, and method of manufacture. The curable silicone composition comprises: (A) a fluorine-containing organopolysiloxane mixture obtained by mixing the following components (A1) and (A2) at a mass ratio of 1/99 to 99/1; (A1) a fluoro(poly)ether modified organopolysiloxane having at least two alkenyl groups per molecule along with a fluoro(poly)ether-containing organic group; (A2) a fluoroalkyl group-containing organopolysiloxane having at least two alkenyl groups per molecule along with a fluoroalkyl group represented by C4F9—CH2CH2—; (B) an organopolysiloxane having at least three silicon atom-bonded hydrogen atoms per molecule; (C) a hydrosilylation reaction catalyst; and (D) an organic solvent.
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