作者: Yoshihiro Yamana , Kazumasa Hattori , Katsumi Kihara , Hidekazu Saito , Yuichi Tsuji
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摘要: The present invention provides a polyurethane which is non-sticky, exhibits superior handling properties and moldability, has adhesive with silicones even if surface activation treatment not carried out beforehand. of the contains polyol units organic polyisocyanate units. contain an alkenyl group-containing organopolysiloxane structure in amount ranging from 0.01 to 20% by weight respect aforementioned polyurethane.