Thermoplastic polyurethane-polyurea elastomers having...

Details Thermoplastic polyurethane-polyurea elastomers having... Thermoplastic polyurethane-polyurea elastomers having...

C - Chemistry, Metallurgy

08

G

402/138

C08G 18/75 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/12 (2006.01) C08G 18/28 (2006.01) C08G 18/72 (2006.01)

Patent

CA 2040910

Mo3542 LeA 27,611 THERMOPLASTIC POLYURETHANE-POLYUREA ELASTOMERS HAVING INCREASED HEAT RESISTANCE ABSTRACT OF THE DISCLOSURE The invention relates to improved thermoplastic polyurethane-polyurea elastomers based on 4,4'-diisocyanato- dicyclohexylmethane, cyclic secondary diamines, and macrodiols having a molecular weight greater than 400. Mo3542

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