Amorphous copolymers of tetrafluoroethylene and hexafluoropropyl

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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C08F 620

Patent

active

057081310

ABSTRACT:
Tetrafluoroethylene polymer resin is isolated from aqueous dispersion by first freezing the dispersion, followed by thawing the dispersion which enables removal of the water and water soluble impurities from the resin particles.

REFERENCES:
patent: 3692759 (1972-09-01), Ocone

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