Dewatering polyvinylalcohol stabilized polymer slurries

Details Dewatering polyvinylalcohol stabilized polymer slurries Dewatering polyvinylalcohol stabilized polymer slurries

1978-07-05

1979-05-15

Levin, Stanford M.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528486, 528487, 528488, 528411, 528412, C08F 622, C08F 624

Patent

active

041549236

ABSTRACT:
Dewatering aqueous polymer slurries containing polyvinylalcohol stabilizer by forming an insoluble organic destabilizer in situ from a soluble parent compound comprising ionizable groups. The slurry may then be filtered at 50.degree. C. or higher to yield a soft cake of beads essentially free of stabilizer.

REFERENCES:
patent: 2835643 (1958-05-01), Bauer et al.

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