Anti-solvent precipitation process for isolating polymers from s

Details Anti-solvent precipitation process for isolating polymers from s Anti-solvent precipitation process for isolating polymers from s

1985-11-25

1987-05-26

Schofer, Joseph L.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528495, 528498, 528499, 528502, 523313, C08J 312, C08J 314

Patent

active

046687688

ABSTRACT:
A method for isolating polymer resins from organic solvents is provided wherein the organic solvent is vaporized in a separation medium comprised of water and an organic anti-solvent for said polymer without significant vaporization of the organic anti-solvent. The polymer precipitates as a powder without high-speed, high-shear agitation and without the formation of a sticky globular mass.

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