Method for the preparation of organopolysiloxanes containing SIH

Details Method for the preparation of organopolysiloxanes containing SIH Method for the preparation of organopolysiloxanes containing SIH

1993-11-18

1994-12-06

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From heavy metal or aluminum reactant having at least one...

528 33, C08G 7900

Patent

active

053711610

ABSTRACT:
A method for the preparation of organopolysiloxanes containing SiH groups from the appropriate organopolysiloxanes containing silicon halide groups by reaction with metal hydrides, wherein, as metal hydride, a compound of the general formula ##STR1## is used, and the reaction is carried out in this ether as solvent within a temperature range from 0.degree. to 20.degree. C. The method proceeds selectively with retention of any alkenyl groups present.

REFERENCES:
patent: 3099672 (1963-07-01), Cooper
patent: 3535092 (1970-10-01), Chalk
patent: 4816541 (1989-03-01), Koerner et al.
patent: 5198207 (1993-03-01), Knott et al.
Jezy Chrusciel, Reduction of Dichloropoly (Dimethylsiloxanes) . . . 4 pages, 1979.
Walter Noll, Chemie und Technologie Der Silicone, 2 pages, 1968.
Notizen, Uber die spaltung der Si-O-Bindung mit . . . . , 2 pages, Jun. 6, 1955.

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