Adeka Corporation

The Kansai Electric Power Co., Inc.

Asahi Denka Kogyo K.k.

Tadashi Janado

Yoshitaka Sugawara

Ken-ichiro Hiwatari

Yoshikazu Shoji

Takashi Sueyoshi

Seiichi Saito

Toshiyuki Yoshida

Shinji Nakano

Masanori Konishi

Naoyasu Kurita

Mutsumi Nakayama

Jun-ichi Hisano

A silicon-containing compound of formula (1), and a curing composition containing a silicon-containing compound of formula (1) wherein Z is hydrogen, a silicon-containing compound of formula (1) wherein Z is C2-C4 alkenyl or alkynyl and a hydrosilylation catalyst. The composition has excellent handling and curing properties and provides a cured product with excellent heat resistance and flexibility. In formula (1), R-R=C1-C12 saturated aliphatic hydrocarbon group or C6-C12 aromatic hydrocarbon group. Rand Rdo not simultaneously represent C1-C12 saturated aliphatic hydrocarbon group; Y=C2-C4 alkylene; Z=hydrogen or C2-C4 alkenyl or alkynyl; K is 2-7; T is 1-7; P is 0-3; and M and N are numbers selected such that N:M=1:1 to 1:100, that all M's and N's total at least 15, and that the mass average molecular weight of the compound of formula (1) is 3,000 to 1,000,000.

Silicon-containing compound, curable composition and cured product

A curable composition which comprises at least one of the following (A), (B), and (C) and further contains (D) (provided that when (C) is not contained, both (A) and (B) are in the composition. (A): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has a reactive group A' and one or more Si&#x2014;O&#x2014;Si bonds. (B): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has an Si&#x2014;H group and one or more Si&#x2014;O&#x2014;Si bonds. (C): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has a reactive group A&#x2032;, an Si&#x2014;H group, and one or more Si&#x2014;O&#x2014;Si bonds. (D): A catalyst for curing reaction which is a platinum catalyst. The reactive group A&#x2032; is any of Si&#x2014;R, Si&#x2014;O&#x2014;R, and Si&#x2014;R&#x2014;OCOC(R)&#x2550;CH, provided that Rand Reach is alkenyl, Ris alkylene and/or arylene, and Ris hydrogen or methyl.

Silicon-containing curing composition and heat cured product thereof

The present invention provides a method of producing a chlorinated rubber wherein an acidic or highly acidic chlorinated rubber cake obtained after chlorinating a rubber latex or an aqueous dispersion is subjected to fluidized drying together with a drying medium to obtain a preliminary dried powder, and the preliminary dried powder is subjected to fluidized drying again. According to the present invention, a high quality chlorinated rubber can be obtained efficiently with easy handling from an acidic or highly acidic chlorinated rubber cake obtained after chlorinating a rubber latex or an aqueous dispersion.

Process and apparatus for producing chlorinated rubber

Growing community of inventors

Tokyo, Japan

Tadashi Janado