Aqueous process for making fluoropolymers

Details Aqueous process for making fluoropolymers Aqueous process for making fluoropolymers

2006-12-08

2011-12-20

Hopkins, Robert A (Department: 1776)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S250000, C526S255000

Reexamination Certificate

active

08080621

ABSTRACT:
A novel aqueous polymerization process for making fluoropolymer dispersions is disclosed in which non-ionic non-fluorinated emulsifier is used to produce fluoropolymer emulsions. The emulsifiers contain blocks of polyethylene glycol, polypropylene glycol and/or polytetramethylene glycol. The process and fluoropolymer produced contain no fluorinated surfactant. The fluoropolymers have excellent resistance to discoloration.

REFERENCES:
patent: 4450263 (1984-05-01), West
patent: 4569978 (1986-02-01), Barber
patent: 5478561 (1995-12-01), Ferrero
patent: 6512063 (2003-01-01), Tang
patent: 6693152 (2004-02-01), Kaspar et al.
patent: 6734264 (2004-05-01), Amin-Sanayei
patent: 6794550 (2004-09-01), Hintzer et al.
patent: 6806333 (2004-10-01), Ishida et al.
patent: 6933357 (2005-08-01), Grootaert et al.
patent: 7041728 (2006-05-01), Zipplies et al.
patent: 2004/0077757 (2004-04-01), Araki et al.
patent: 2004/0258648 (2004-12-01), Creamer et al.
patent: 2005/0228127 (2005-10-01), Tatemoto et al.
patent: 2006/0135716 (2006-06-01), Hung

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