Method for the preparation of fluoropolymer powdered materials

Details Method for the preparation of fluoropolymer powdered materials Method for the preparation of fluoropolymer powdered materials

2008-07-15

2011-11-08

Boykin, Terressa (Department: 1765)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C427S385500, C524S501000, C525S199000

Reexamination Certificate

active

08053549

ABSTRACT:
A method for the preparation of a modified fluoropolymer powdered material is disclosed. A suspension of solid fluoropolymer particles together with PTFE particles in an aqueous carrier, is frozen and the frozen carrier is then removed by sublimation at sub-atmospheric pressure to produce a dry powder of modified fluoropolymer particles.

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