High impact polyurethane

Details High impact polyurethane High impact polyurethane

C - Chemistry, Metallurgy

08

G

C08G 18/32 (2006.01) C08G 18/65 (2006.01) C08G 18/73 (2006.01) C08G 18/75 (2006.01)

Patent

CA 2107825

A non-yellowing, impact resistant high hard segment polyurethane made from a non-aromatic diisocyanate, a diol chain extender and an aminodiol chain extender may also contain up to five percent by weight of a macroglycol. A catalyst free method to prepare the polyurethane is a feature of the invention.

Un polyuréthane sans jaunissement résistant aux chocs riche en segments durs fabriqué à partir d'un diisocyanate non aromatique, d'un allongeur de chaîne diolique et d'un allongeur de chaîne aminodiolique peut également contenir jusqu'à cinq pour cent en poids d'un macroglycol. Une méthode sans catalyseur pour préparer le polyuréthane est une caractéristique de l'invention.

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