Process for preparing granular rubber

Details Process for preparing granular rubber Process for preparing granular rubber

1975-09-25

1977-06-21

Levin, Stanford M.

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

Synthetic resins

Treating polymer containing material or treating a solid...

23252R, 260821, 528488, C08C 115, C08F 622

Patent

active

040313026

ABSTRACT:
Granular rubber is prepared by allowing a latex mixture of a rubber latex and an aqueous solution of a high molecular weight polyanion containing carboxylate groups and/or hydroxyl groups to fall freely into an aqueous solution of an alkaline earth metal salt and separating the granular rubber which forms.

REFERENCES:
patent: 2340243 (1944-01-01), Beal
patent: 2556260 (1951-06-01), Downing
patent: 3160620 (1964-12-01), Petersen
patent: 3751402 (1973-08-01), Broering

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