Shin-etsu Chemical Co., Ltd.

Other

Nippon Paint Compnay, Ltd.

Shinetsu Chemical Industries, Ltd.

Hideyuki Itoh

Yoshio Okamura

Ryuzo Mizuguchi

Mitsuhiro Takarada

Yoshio Eguchi

Akihiro Kanakura

Shigeru Mori

Shinji Irifune

Kenichi Isobe

Toshio Ohba

Kimitaka Kumagae

Takamasa Toyoda

A solventless curable silicone release composition contains (A) a branched organopolysiloxane having a vinyl group attached to a silicon atom at an end of its molecular chain, (B) an organohydrogenpolysiloxane having at least three SiH groups in a molecule, and (C) a platinum group metal catalyst. The composition is easily applicable to a thin gage and cures into a releasable silicone coating ensuring light release at high speeds. A release sheet having the cured coating formed thereon has improved release characteristics.

Curable silicone release composition and release sheet

The invention concerns a novel process for the preparation of poly(N-acylethyleneimine) grafted poysiloxanes comprising sulfoesterifying all or part of alcoholic hydroxyl groups of a hydroxy containing polysiloxane and conducting, in said sulfoesterification reaction mixture, ring-opening polymerization of a 2-oxazoline compound. The present process can afford the desired poly(N-acylethyleneimine) grafted polysiloxane in a higher reaction yield. The invention also provides novel poly(N-acylethyleneimine) grafted polysiloxanes.

Poly (N-acylethyleneimine) grafted polysiloxane and its preparation

The invention concerns a novel process for the preparation of poly(N-acylethyleneimine) grafted polysiloxanes comprising sulfo-esterifying all or part of alcoholic hydroxyl groups of a hydroxy containing polysiloxane and conducting, in said sulfo-esterification reaction mixture, ring-opening polymerization of a 2-oxazoline compound. The present process can afford the desired poly(N-acylethyleneimine) grafted polysiloxane in a higher reaction yield.

Poly(N-acylethyleneimine) grafted polysiloxane and its preparation

A composition for coating glass fiber articles such as glass sleeve, glass cloth, glass roving, glass tape, glass mat or glass nonwoven fiber, comprising (a) a diorganopolysiloxane end-blocked with a divinylmonoorganosilyl or trivinylsilyl radical at both ends, (b) a sufficient amount of an organohydrogenpolysiloxane containing at least two silicon-bonded hydrogen atoms per molecule to provide at least 0.5 silicon-bonded hydrogen atoms per vinyl radical in component (a), and (c) a catalytic amount of platinum or a platinum compound.

Glass fiber article-coating compositions

Growing community of inventors

Usui-gun, Japan

Hideyuki Itoh