High polymer content silicone emulsions

Details High polymer content silicone emulsions High polymer content silicone emulsions

1988-02-02

1989-04-25

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524588, C08L 5304

Patent

active

048248770

ABSTRACT:
A polydiorganosiloxane emulsion having a combination of high polymer content and low viscosity can be produced by blending a high polymer content polydiorganosiloxane macroemulsion, having a polymer content of greater than 60 percent by weight and an average particle size of greater than 0.14 micrometers, and a high polymer content polydiorganosiloxane microemulsion, having a polymer content of from 20 to 30 percent by weight and an average particle size of less than 0.14 micrometers, with the ratio of the average particle size of the macroemulsion to the average size of the microemulsion of from 5 to 15.

REFERENCES:
patent: 3294725 (1966-12-01), Findlay et al.
patent: 3433780 (1969-03-01), Cekada et al.
patent: 3975294 (1976-08-01), Dumoulin
patent: 4052331 (1977-10-01), Dumoulin
patent: 4146499 (1979-03-01), Rosano
patent: 4221688 (1890-09-01), Johnson et al.
patent: 4244844 (1981-01-01), Molinier et al.
patent: 4244849 (1981-01-01), Saam
patent: 4620878 (1986-11-01), Gee
U.S. Patent Application Ser. No. 809,090.

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