Fluorine-containing polymer powder and method for production...

Details Fluorine-containing polymer powder and method for production... Fluorine-containing polymer powder and method for production...

2006-08-22

2006-08-22

Wu, David W. (Department: 1713)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S326400, C525S356000, C525S378000, C525S379000

Reexamination Certificate

active

07094838

ABSTRACT:
A stabilized fluorine-containing polymer powder having an average particle size of 5 to 100 μm is prepared by contacting a fluorine-containing polymer powder, which is prepared by milling the fluorine-containing polymer and removing fine particles, fibrous particles and coarse particles by classification, with a fluorinating agent so that the total number of unstable terminal groups is decreased to 7 to 50 per 106carbon atoms. This a fluorine-containing polymer powder achieved a high coating efficiency in an electrostatic coating method and provides a film having good properties such as heat resistance, non-tackiness, low frictional property, chemical resistance, etc.

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English translation of International Preliminary Examination Report for PCT/JP02/04117 dated Apr. 2, 2003.
International Search Report for PCT/JP02/04117 dated Aug. 13, 2002.

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