High build fluorocarbon polymer dispersions and their preparatio

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4273855, 427 42L, 5253262, 526206, B32B 2728, B05D 302, C08K 308

Patent

active

046877088

ABSTRACT:
An aqueous dispersion of a melt processible, non-elastomeric copolymer of 80 to 99.5 mole percent tetrafluoroethylene and 0.5 to 20 mole percent perfluoro(n-propyl vinyl ether) and its preparation by gelling, drying, grinding and fluorinating the polymerization medium is disclosed.

REFERENCES:
patent: 3085083 (1963-04-01), Schreyer
patent: 3635926 (1972-01-01), Gresham
patent: 3642742 (1972-02-01), Carlson
patent: 3929721 (1975-12-01), Leverett
patent: 4321177 (1982-03-01), Wilkinson
patent: 4599386 (1986-07-01), Carlson et al.

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