Birch, Stewart, Kolasch & Birch, LLP
Curable silicone release composition and sheet having a releasability using the same
A curable silicone composition which comprises (A) a diorganopolysiloxane which has a viscosity of about 50 to 500 mPa·s at 25° C. and has silicon-bonded alkenyl groups only at the molecular chain ends, (B) a diorganopolysiloxane which has a viscosity of about 50,000 to 500,000 mPa·s at 25° C. and has silicon-bonded alkenyl groups only at the molecular chain ends, (C) an organohydrogenpolysiloxane which has at least eight silicon-bonded hydrogen atoms per molecule and has a viscosity of about 3 to 15 mPa·s at 25° C., and (D) a catalytic amount of a platinum-group metal catalyst as essential components, wherein said composition has a viscosity of about 100 to 1,000 mPa·s at 25° C.; and a sheet having a releasability comprising a cured coating film of the composition.
Shin-Etsu Chemical Co., Ltd.
C C C B Y
C08G C08L C08G B05D Y10T
additional inventional additional additional additional
Hideyuki
Ito