Silicone rubber composition for coating air bags

摘要

Silicone rubber compositions comprising (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups, (B) finely divided silica, (C) an adhesive component, (D) a silicone-soluble organopolysiloxane resin component bearing at least one alkenyl group, (E) an organohydrogenpolysiloxane containing SiH groups in a specific mole ratio to the alkenyl groups in components (A) and (D) combined, and (F) a platinum group catalyst, exhibit excellent adhesion to synthetic woven fabrics for air bags. When coated onto woven fabrics and cured, the compositions provide air bag base fabrics of outstanding flexibility, sealability and deployability which remain stable over time.