Method for hydrolyzing organochlorosilanes

Details Method for hydrolyzing organochlorosilanes Method for hydrolyzing organochlorosilanes

1997-12-22

1999-08-31

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 10, 528 20, 556466, C08G 7706

Patent

active

059454970

ABSTRACT:
A process for treating a plurality of by-product streams containing chlorosilicon compounds. The process comprises the steps of determining the average SiCl functionality of a plurality of by-product streams comprising chlorosilicon compounds, blending at least two of the by-product streams to form a blended by-product stream having an average SiCl functionality greater than or equal to 2.8, adding to the blended by-product stream a surfactant having a HLB number within range of about 3 to 28, and contacting the blended by-product stream with an aqueous medium at a temperature within a range of about 50.degree. C. to 120.degree. C. to form a granular siloxane gel.

REFERENCES:
patent: 4221691 (1980-09-01), Danielson et al.
patent: 4408030 (1983-10-01), Marko
patent: 4774347 (1988-09-01), Marko et al.
patent: 4960523 (1990-10-01), Degen et al.
patent: 4961861 (1990-10-01), Degen et al.
patent: 5000934 (1991-03-01), Marko et al.

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