Stable, aqueous, colloidal dispersions of copolymers of the tetr

Details Stable, aqueous, colloidal dispersions of copolymers of the tetr Stable, aqueous, colloidal dispersions of copolymers of the tetr

1986-04-03

1987-09-08

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524767, 524777, 526 91, 526211, 526255, C08L 2712

Patent

active

046924930

ABSTRACT:
Stable aqueous, colloidal dispersions, having a high shear stability, of copolymers of tetrafluoroethylene and ethylene, which may also contain at least one further comonomer, are described. Such dispersions are prepared in the presence of a mixture of perfluorooctanoic acid and perfluorononanoic or perfluorodecanoic acids or salts thereof.

REFERENCES:
patent: 2468664 (1949-04-01), Hanford et al.
patent: 2559752 (1951-07-01), Berry
patent: 3401155 (1968-09-01), Borsini et al.
patent: 3859262 (1975-01-01), Hartwimmer
patent: 3960825 (1976-06-01), Robinson et al.
patent: 4338237 (1982-07-01), Sulzbach et al.

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