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US 2010/0132212 A1Published application
Method for the preparation of fluoropolymer powdered materials
AssigneeWhitford Plastics Limited
InventorsMichael Coates, Iaian Robert Whitlow, Terry Anderson
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Abstract
A method for the preparation of fluoropolymer powdered materials is disclosed. A suspension of solid fluoropolymer particles in a liquid carrier, preferably water, is frozen and the frozen carrier is then removed by sublimation at sub-atmospheric pressure to produce a dry powder of fluoropolymers particles.
Claims14
A method for preparing a modified fluoropolymer powdered material the method comprising:
- freezing a suspension of solid fluoropolymer particles and at least one filler in a water-based liquid carrier, and
- sublimating the frozen carrier thereby forming the modified fluoropolymer powdered material as a dry powder.
(canceled)
Dependencies are inferred from the claim text.