- 专利标题: FAST CURING TWO-COMPONENT SILICONE COMPOSITION HAVING ADJUSTABLE POT LIFE
-
申请号: US17786808申请日: 2021-01-20
-
公开(公告)号: US20230044204A1公开(公告)日: 2023-02-09
- 发明人: Michael SCHLUMPF , Riccardo SUTER , Samuel JAKOB
- 申请人: SIKA TECHNOLOGY AG
- 申请人地址: CH Baar
- 专利权人: SIKA TECHNOLOGY AG
- 当前专利权人: SIKA TECHNOLOGY AG
- 当前专利权人地址: CH Baar
- 优先权: EP20155227.0 20200203
- 国际申请: PCT/EP2021/051176 WO 20210120
- 主分类号: C08L83/06
- IPC分类号: C08L83/06 ; C08G77/16
摘要:
A two-component silicone composition made of a component A including a hydroxyl-group terminated polydiorganosiloxane P; between 0.05-5.0 wt. % water, relative to component A; and component B including a non-condensable polydiorganosiloxane; a catalyst K cross-linking polydiorganosiloxanes; between 0-50 wt. % of a first organosilane V1 according to formula (I), between 2-60 wt. % of a second organosilane V2 according to formula (II), up to 25 wt. % of organosilanes V3 having hydrolyzable alkoxysilane groups Si—ORa not falling under the formulae (I) and (II), with Ra being a hydrogen atom or monovalent, linear or branched alkyl group with 1-6 carbon atoms, Rb being a divalent, linear or branched alkyl group or alkenyl group with 2-20 carbon atoms, and Rc being a divalent, linear or branched alkyl group with 2-20 carbon atoms containing a secondary amino group; the composition containing less than 10 mole-%, relative to the amount of organosilane V2, of organosilanes with epoxy groups.