Polysiloxane-polyurea block copolymer

Details Polysiloxane-polyurea block copolymer Polysiloxane-polyurea block copolymer

C - Chemistry, Metallurgy

08

G

400/2007

C08G 77/452 (2006.01) C08G 18/61 (2006.01) C08G 77/54 (2006.01)

Patent

CA 2005500

POLYSILOXANE-POLYUREA BLOCK COPOLYMERS ABSTRACT Polysiloxane-polyurea block copolymers are prepared from isocyanate and aminophenoxy functional polyorgano- siloxane. These block copolymers are hydrolytically stable and exhibit improved thermal stability compared to aminoalkyl functional polyorganosiloxanes.

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