Patent ID: 6300383
Filing Date: 2001-10-09
Classification: C08J

Abstract:
A silicone rubber sponge composition comprising(A) 100 parts by weight organopolysiloxane gum described by average structural unit R.sub.a SiO.sub.(4-a)/2, where R is a monovalent hydrocarbon group or haloalkyl and a is 1.8 to 2.3 and having a viscosity of 1,000,000 mPa.multidot.s or above at 25.degree. C.,(B) 1 to 400 parts by weight inorganic filler,(C) 0.01 to 50 parts by weight hollow thermoplastic resin particles,(D) 0.1 to 10 parts by weight liquid blowing agent with a boiling point above room temperature, and(E) a curing agent in an amount sufficient to cure the composition.