C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) C08G 18/48 (2006.01)
Patent
CA 2694999
The object of the present invention is to provide a thermoplastic polyurethane tape having excellent elastic functions, and the polyurethane tape of the present invention is a thermoplastic polyurethane tape with the residual strain after 300% stretching at 20°C being from 5 to 40%, wherein the recovery percentage after repeating a 300% stretching/recovery cycle at -10°C three times is preferably 85% or more.
L'objectif est de proposer un ruban de polyuréthane thermoplastique ayant une excellente fonction d'élasticité. Le ruban de polyuréthane est un ruban de polyuréthane thermoplastique caractérisé par le fait qu'il a une contrainte résiduelle de 5 à 40 % après étirage de 300 % à 20°C, de préférence ayant un taux de récupération de 85 % ou plus après répétition du cycle d'étirage à 300 %/trois fois à -10°C.
Kojima Junichi
Yoshida Satoru
Asahi Kasei Fibers Corporation
Goudreau Gage Dubuc
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