Process for the synthesis of soluble, condensed hydridosilicon r

Details Process for the synthesis of soluble, condensed hydridosilicon r Process for the synthesis of soluble, condensed hydridosilicon r

1989-09-01

1991-04-23

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 31, C08G 7706

Patent

active

050101595

ABSTRACT:
This invention relates to an improved method of hydrolyzing hydridosilanes with 2 or more hydrolyzable groups which comprises forming an arylsulfonic acid hydrate containing reaction medium, adding the silane to the hydrolysis medium, facilitating hydrolysis of the silane to form the polyester, settling the hydrolysis medium and polymer into an acid layer and an organic layer containing the polymer, separating the organic layer from the acid layer, contacting the organic layer with a neutralizing agent, and removing the neutrailizing agent from the organic layer.

REFERENCES:
patent: 2901460 (1959-08-01), Boldebuck
patent: 3489782 (1970-01-01), Pruvost et al.
patent: 3615272 (1971-10-01), Collins et al.

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