Process for reducing discoloration and dark spotting in tetraflu

Details Process for reducing discoloration and dark spotting in tetraflu Process for reducing discoloration and dark spotting in tetraflu

1975-12-29

1976-12-21

Derrington, James H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296F, 260 4214, 260 4215, 260 4216, 260 4218, 260 4226, 260 4227, 260 4254, 260 4255, C08L 500, C08K 904

Patent

active

039987701

ABSTRACT:
A means for reducing discoloration or dark spotting occurring at air-starved areas of glass filled agglomerated granular tetrafluoroethylene resin during sintering is described which comprises employing a silicone and an agent that forms a substantially water-soluble complex with iron during the agglomeration of the filled poly-tetrafluoroethylene mixture in liquid.

REFERENCES:
patent: 3058166 (1962-10-01), Fields
patent: 3793287 (1974-02-01), Fitz et al.
patent: 3915916 (1975-10-01), Leverett
patent: 3929721 (1975-12-01), Leverett

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