PRODUCTION OF ORGANOSILICON POLYMER AND SILICON CARBIDE

Title:

PRODUCTION OF ORGANOSILICON POLYMER AND SILICON CARBIDE

Document Type and Number:

Japanese Patent JPH05214109

Kind Code:

A

Abstract:

PURPOSE:To obtain the subject high-molecular weight polymer, having a narrow molecular weight distribution, excellent in processability and electrical characteristics and useful as electronic materials, etc., by dehydrogenating and condensing dimethyldisilane in the presence of a specific catalyst. CONSTITUTION:The objective polymer is obtained by dehydrogenating and condensing 1,1- or 1,2-dimethyldisilane in the presence of a catalyst expressed by formula I [Cp is (substituted) eta<5>-cyclopentadienyl; M is Ti, Zr or Hf; R<1> is CHkX3-k {X is formula II [M' is Si or Ge; R<3> to R<5> are 1-20C alkyl, phenyl, etc.; (m) is l-31; (k) is 0-2], etc.; R'' is H, (substituted)alkyl, halogen, etc.; (n) is 0 or 1}. This polymer has a recurring unit such as formula III in which 2-4 hydrogen atoms on the hydrosilyl group in the monomer are substituted with single bonds. Furthermore, this polymer is burned in a nonoxidizing atmosphere to afford silicon carbide.

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Inventors:

NOMURA YASUO
NAKAJIMA MASASHI
SATO RYUJI

Application Number:

JP4759692A

Publication Date:

August 24, 1993

Filing Date:

February 04, 1992

Export Citation:

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Assignee:

TONEN CORP

International Classes:

C04B35/571; C04B35/56; C08G77/48; C08G77/60; (IPC1-7): C04B35/56; C08G77/60

Attorney, Agent or Firm:

Kohei Kubota (1 person outside)

Previous Patent: JPS5214108

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