Process for producing pourable powered rubber containing filler

Details Process for producing pourable powered rubber containing filler Process for producing pourable powered rubber containing filler

1988-04-22

1989-11-28

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524447, 524575, 5245755, C08K 330, C08K 336, C08K 300

Patent

active

048838292

ABSTRACT:
Process for producing pourable powdered rubber with filler content independent of particle size. By adjusting to a pH in the range of 3.7 to 6.5 after the mixing of rubber latices or aqueous emulsions of rubber solutions with filler suspensions containing precipitant, and by using 0.1 to 2.0 phr of a selected metal salt, powdered rubbers can be produced with filler content independent of particle size.

REFERENCES:
patent: 4138375 (1979-02-01), Berg et al.
patent: 4250082 (1981-02-01), Sommer et al.
patent: 4582539 (1986-04-01), Stacy

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