Method for the production of free-flowing...

Details Method for the production of free-flowing... Method for the production of free-flowing...

B - Operations, Transporting

29

B

B29B 9/08 (2006.01) C08J 3/12 (2006.01) C08K 5/06 (2006.01)

Patent

CA 2208242

An improved process for preparing free flowing tetrafluoroethylene (TFE) polymer powders is dislcosed 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.

Technique améliorée de préparation de poudres fluides composées d'un polymère du tétrafluoroéthylène, la poudre étant (1) mouillée avec une solution aqueuse contenant un agent mouillant choisi dans le groupe (a) des éthers d'éthylèneglycol, (b) des éthers de propylèneglycol et (c) des diols ou des triols; (2) agglomérée; (3) séchée.

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