C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 183/02 (2006.01) C09J 183/04 (2006.01) C09J 183/10 (2006.01)
Patent
CA 2141651
A pressure sensitive adhesive composition comprises a mixture of (A) a silicate resin, (B) a silicone fluid, and (C) a thermoplastic multi-segmented copolymer which is a product of the reaction between a diisocyanate and a reactive polyorganosiloxane having two groups reactive with isocyanate thereon. The thermoplastic multi-segmented copolymer comprises from 1 to 40 weight percent hard segments derived from reactants selected from organic diisocyanates, organic diols and organic diamines and from 60 to 99 weight percent soft segments comprising from 15 to 99 weight percent, based on the weight of the thermoplastic multi-segmented copolymer, of polyorganosiloxane units and from 0 to 70 weight percent, based on the weight of the thermoplastic multi-segmented copolymer, of polyalkylene oxide units.
Sweet Randall Paul
Ulman Katherine Lynn
Dow Corning Corporation
Gowling Lafleur Henderson Llp
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