High friction polyurethane elastomers having improved...

Details High friction polyurethane elastomers having improved... High friction polyurethane elastomers having improved...

C - Chemistry, Metallurgy

08

L

C08L 75/04 (2006.01) C08G 18/10 (2006.01)

Patent

CA 2443652

A composition of matter is disclosed wherein the composition comprises a polyurethane elastomer prepared by mixing: a) a polyurethane prepolymer; b) a curative; and c) a liquid, non-reactive polydimethylsiloxane, wherein C) is present in a concentration of about o.5 to about 25% based on the combined weight of a) plus b), and curing the mixture to form the elastomer.

L'invention concerne une composition de matière qui contient un élastomère de polyuréthane que l'on prépare en mélangeant : a) un prépolymère de polyuréthane; b) un catalyseur ; et c) un polydiméthylsiloxane liquide non réactif, la concentration de ce dernier étant comprise entre environ 0,5 et environ 25 % en fonction du poids combiné de a) plus b), et en cuisant ledit mélange afin d'obtenir l'élastomère.

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