Polycarbonate-silicone block copolymer compositions

Details Polycarbonate-silicone block copolymer compositions Polycarbonate-silicone block copolymer compositions

C - Chemistry, Metallurgy

08

G

400/2007

C08G 77/448 (2006.01) C08G 64/18 (2006.01)

Patent

CA 2013923

08CL06663 POLYCARBONATE-SILICONE BLOCK COPOLYMER COMPOSITIONS Abstract of the Disclosure Carboxylic acid functionalized polydimethyl- siloxane fluids react with polycarbonate in the melt to form polydimethylsiloxane/polycarbonate block copolymers. The resultant copolymers are transparent and show improved flow and thick section impact relative to the polycarbonate.

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