Method for producing silicone rubber powder

Details Method for producing silicone rubber powder Method for producing silicone rubber powder

1987-09-14

1988-05-10

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

525478, 528 24, 528 31, 528 32, C08G 7706

Patent

active

047436700

ABSTRACT:
Cured silicone rubber in the form of a finely divided powder is prepared by (1) dispersing a heat-curable liquid silicone rubber composition in water maintained at a temperature of from 0.degree. to 25.degree. C., (2) dispersing the resultant dispersion in a liquid heated to a temperature of at least 50.degree. C., and (3) recovering the resultant cured powder. The liquid silicone rubber composition is preferably maintained at a temperature of from -60.degree. to 0.degree. C. before being emulsified and said liquid is preferably water.

REFERENCES:
patent: 4594134 (1986-06-01), Hanada et al.

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