Method of producing organopolysiloxane with low polymerization d

Details Method of producing organopolysiloxane with low polymerization d Method of producing organopolysiloxane with low polymerization d

1995-06-05

1996-10-08

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 37, 556469, C08G 7708

Patent

active

055632297

ABSTRACT:
There is provided a method of producing an organopolysiloxane with a low polymerization degree in a high yield, comprising a step of allowing a monochlorosilane represented by the following general formula (I) and hexamethylcyclotrisiloxane to undergo ring-opening reaction in the presence of a quaternary ammonium salt represented by the following general formula (II) and a step of hydrolyzing the reaction product: ##STR1## wherein R groups are the same or different, and each group represents an alkyl group containing 1 to 18 carbon atoms, an aryl group or a hydrogen atom;

REFERENCES:
patent: 3162662 (1964-12-01), Brown et al.
patent: 4113760 (1978-09-01), Frey et al.
patent: 4782172 (1988-11-01), Niswonger et al.

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