Elastomers from compositions comprising rigid thermoplastic...

Details Elastomers from compositions comprising rigid thermoplastic... Elastomers from compositions comprising rigid thermoplastic...

C - Chemistry, Metallurgy

08

G

C08G 18/08 (2006.01) C08G 18/32 (2006.01) C08L 23/16 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2318301

Compositions comprising (A) a rigid thermoplastic polyurethane not having a major glass transition temperature (Tg) of less than 60 ~C and (B) a rubber- like material having a Tg of less than 20 ~C, wherein the weight ratio (A:B) is at most 85:15.

L'invention porte sur des compositions comprenant: (A) un polyuréthane thermoplastique rigide d'une température de transition vitreuse principale (T¿g?) d'au moins 60 ·C; et (B) un matériau caoutchouteux d'une T¿g? inférieure à 20 ·C, le rapport pondéral A/B étant au plus de 85/15.

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