Fluoropolymer dispersions

Details Fluoropolymer dispersions Fluoropolymer dispersions

2006-03-14

2006-03-14

Cain, Edward J. (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S520000

Reexamination Certificate

active

07012109

ABSTRACT:
Mixtures of fluoropolymer dispersion, wherein:a) a dispersion is formed by TFE (co)polymers with average particle sizes in the range 180–400 nm;b) another dispersion selected from:1) (co)polymer dispersion of TFE;2) thermoplastic copolymers of TFE;the average particle sizes of dispersion b) range from 20 to 60 nm;the ratio between the particle sizes of dispersion b) compared with those of dispersion a) is lower than 0.3.

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R. Moore et al., “Morphology and Chemical Properties of the Dow Perflurosulfonate lonomers”, Macromolecules, 22, 1989, pp 3594-3599.

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