Fluorinated polymers containing fillers and having improved...

Details Fluorinated polymers containing fillers and having improved... Fluorinated polymers containing fillers and having improved...

C - Chemistry, Metallurgy

08

K

400/6532, 400/93

C08K 9/04 (2006.01) C08K 9/06 (2006.01) C08K 9/08 (2006.01) C08L 27/12 (2006.01)

Patent

CA 1300300

ABSTRACT OF THE DISCLOSURE: A fluorinated polymer composition is disclosed, for use to produce articles having improved mechanical properties and an improved surface appearance. The composition comprises a homo- or co-polymer of tetrafluoroethylene and a reinforcing filler selected amongst fibres or granules of glass, asbestos,silicates or carbon, and polyamidic fibres, the reinforcing filler being superficially treated with fluoropolyethers having an average molecular weight from 1,000 to 10,000 and containing functional end groups capable of forming bonds of various nature with the reinforcing material. This particular treatment allows the reinforcing filler to remain perfectly dispersed in the polymer whereby preventing, during subsequent mechanical treatment, the separation thereof in heterogeneous areas which would impair the mechanical and surface properties of the articles produced therefrom.

526050

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