C - Chemistry – Metallurgy – 08 – C
Patent
C - Chemistry, Metallurgy
08
C
C08C 19/06 (2006.01) C08F 8/08 (2006.01) C08F 297/02 (2006.01) C08G 59/34 (2006.01) C09D 153/00 (2006.01) C09J 153/00 (2006.01) C09J 163/08 (2006.01)
Patent
CA 2093181
T 4941 A B S T R A C T EPOXIDIZED DIENE ELASTOMERS FOR EXTERIOR BLOCK CROSSLINKING An epoxidized diene block polymer comprising at least interior and exterior diene blocks wherein the exterior diene blocks contain a greater concentration of di-, tri- and tetrasubstituted olefinic epoxides than the interior blocks and wherein the exterior blocks contain from 0.2 to 10 Meq of olefinic epoxides per gram of exterior blocks and the molecular weights of the exterior blocks are from 3000 to 50,000 and the molecular weights of the interior blocks are from 15,000 to 200,000. C16/T4941FF
Shell Canada Limited
Smart & Biggar
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