Lactone copolymers as stripping aids in recovery of polymer from

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...

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525186, 528486, 528491, C08F 610

Patent

active

043025765

ABSTRACT:
A process for recovering a rubbery polymer from a rubber-in-solvent solution by steam-stripping the solution to produce rubber crumb in aqueous phase using a low molecular weight lactone copolymer as stripping aid.

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