Method for the production of free-flowing tetrafluoroethylene po

Details Method for the production of free-flowing tetrafluoroethylene po Method for the production of free-flowing tetrafluoroethylene po

1994-12-21

1996-03-26

Michl, Paul R.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528495, 528503, 523307, 523309, 523335, 524545, 264117, C08K 506, C08K 5053, B29C 6700

Patent

active

055021611

ABSTRACT:
An improved process for preparing free flowing tetrafluoroethylene (TFE) polymer powders is disclosed in which a TFE polymer powder is (1) wetted with an aqueous solution containing a wetting agent selected from the group consisting of (a) ethylene glycol ethers, (b) propylene glycol ethers and (c) diols or triols, (2) agglomerated and (3) dried.

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patent: 5216068 (1993-06-01), Zipplies

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