Process for promoting syneresis in high rubber ABS latex

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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523326, 523335, 525 84, 525 85, 525197, 525198, C08L 5502

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active

046687386

ABSTRACT:
A process, and the well-dispersed product thereof, for recovering solids from a latex of a grafted rubber concentrate having a rubber substrate and a glassy superstrate by: (a) adding a latex of said superstrate to said grafted rubber concentrate latex; (b) coagulating said latex with high shear to form a paste; (c) heating said paste to cause syneresis of said paste into polymeric particles; and (d) dewatering said particles.

REFERENCES:
patent: 3375302 (1968-03-01), Iwai et al.
patent: 3442979 (1969-05-01), Ott et al.
patent: 4299952 (1981-11-01), Pingel et al.

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