Dow Corning Toray Silicone Company Limited

Takehiko Sakai

Takao Matsushita

Hiroshi Honma

This invention pertains to a base fabric for an air bag coated with a silicone rubber which has excellent properties of folding for storage and sewing fabrication in addition to excellent adhesion to withstand impact with extension, especially extension at a high temperature. The surface of the fabric comprised of a polyamide fiber or polyester fiber is (I) coated with a thermosetting organopolysiloxane product comprised of (A) an unvulcanized organopolysiloxane rubber containing 2 or more alkenyl groups in a molecule, (B) silica in the form of a very fine powder, (C) an organopolysiloxane comprised of at least 5 silicon atoms in the main chain and further containing 1 or more trialkoxysilyl groups bonded with a silicon atom through a carbon atom, 1 or more epoxyalkyl groups and 3 or more hydrogen atoms bonded with a silicon atom, (D) a catalyst for the hydrosilylation reaction and (E) an organic solvent; followed by (II) a hardening process by heating.

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Chiba, Japan

Takehiko Sakai