Polyurethane elastomer

Details Polyurethane elastomer Polyurethane elastomer

C - Chemistry, Metallurgy

08

G

C08G 18/44 (2006.01) C08G 18/32 (2006.01)

Patent

CA 2624759

Disclosed is a novel polyurethane elastomer obtained by reacting at the least a di, tri or polyisocyanate, a polycarbonate diol of a 2-alkyl-l,3- propanediol, a 2,2-dialkyl-l,3- -propanediol, an alkoxylated 2-alkyl-l,3- propanediol and/or an alkoxylated 2,2-dialkyl- -1,3-propanediol and/or at least one polycarbonate diol comprising units from two or more said 1,3- propanediols, and a di, tri or polyalcohol.

La présente invention a pour objet un nouvel élastomère polyuréthane obtenu par la réaction d'au moins un di-, tri- ou polyisocyanate, un polycarbonate de diol de 2-alkyl-1,3-propanediol, un 2,2-dialkyl-1,3-propanediol, un 2-alkyl-1,3-propanediol alkoxylé et/ou un 2,2-dialkyl-1,3-propanediol alkoxylé et/ou d'au moins un polycarbonate de diol comprenant des motifs provenant de deux ou plus desdits 1,3-propanediols, avec un di-, tri- ou polyol.

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