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    • 4. 发明申请
    • SILICONE COATINGS FOR AIR BAGS
    • WO2021016834A1
    • 2021-02-04
    • PCT/CN2019/098274
    • 2019-07-30
    • DOW SILICONES CORPORATIONWANG, RuiZHANG, ZhihaiFISHER, MarkWANG, ShaohuiCHEN, Yusheng
    • WANG, RuiZHANG, ZhihaiFISHER, MarkWANG, ShaohuiCHEN, Yusheng
    • C09D183/05C09D183/07
    • Provided is a hydrosilylation curable textile coating composition comprising: a) a linear organopolysiloxane polymer having at least two alkenyl and/or alkynyl groups per molecule; b) reinforcing fillers comprising fumed silica, precipitated silica and/or calcium carbonate; c) a cross-linker containing at least two silicon bonded hydrogen groups per molecule, alternatively at least three silicon bonded hydrogen groups per molecule selected from one or more of C-1 a trimethyl or dimethyl hydrogen terminated polydimethyl methylhydrogen methylsilsesquioxane siloxane; C-2 a trimethyl or dimethyl hydrogen terminated polymethyl hydrogen siloxane; C-3 a dimethyl hydrogen terminated polydimethyl methylhydrogen siloxane; C-4 an organosilicon resin; C-5 a cyclic siloxane; wherein the molar ratio of silicon bonded hydrogen groups to alkenyl groups and alkynyl groups in the composition is from 1: 1 to 5: 1; d) a hydrosilylation cure catalyst; e) an organosilicon resin containing M and Q units and optionally M vi units, f) an adhesion promoter comprising a mixture and/or reaction product of i) one or more alkoxysilanes having an epoxy group in the molecule; ii) a linear organopolysiloxane oligomer containing at least one alkenyl group and at least one hydroxy or alkoxy group per molecule; and iii) an organometallic condensation reaction catalyst comprising organoaluminum or organozirconium compounds. Also provided are a method of coating a textile with the hydrosilylation curable textile coating composition, and an airbag fabric coated therewith.