Elastic polyurethane fiber

Details Elastic polyurethane fiber Elastic polyurethane fiber

D - Textiles, Paper

01

F

402/150, 400/533

D01F 6/70 (2006.01) C08G 18/42 (2006.01) C08G 18/66 (2006.01)

Patent

CA 2015739

The present invention is directed to an elastic polyurethane fiber having excellent hot water resistance, elastic recovery at low temperatures and elongation, prepared from a polyurethane obtained by copolymerization of a high polymer diol obtained from 3-methyl-1,5-pentanediol and an aliphatic dicarboxylic acid, an organic diisocyanate and a chain extender.

La présente invention porte sur une fibre élastique de polyuréthane, possédant d'excellentes propriétés de résistance à l'eau, de récupération élastique à basse température et d'élongation; elle est préparée à partir d'un polyuréthane obtenu par copolymérisation d'un diol polymérique supérieur, préparé à partir de 3-méthyl-1,5-pentanediol et d'un acide aliphatique dicarboxylique, d'un diisocyanate organique et d'un extenseur de chaîne.

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