Process for reducing filler loss

Details Process for reducing filler loss Process for reducing filler loss

1975-04-11

1976-09-14

Derrington, James H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296F, 260 4222, 260 4224, 260 4227, 260 4254, 260 4255, C08K 310, C08L 9100

Patent

active

039805964

ABSTRACT:
The agglomeration of finely-divided granular tetrafluoroethylene polymer particles to produce agglomerated particles having improved flow properties is carried out by agitating the finely-divided particles in an aqueous dispersion containing a substantially water-immiscible organic liquid. The finely-divided particles can first be blended with particulate metal filler material and the blend agglomerated. The presence of a fatty acid or its salt while agitating the aqueous dispersion of the blend of the filler material and the finely-divided tetrafluoroethylene polymer effectively reduces loss of filler during the agglomeration procedure.

REFERENCES:
patent: 3781258 (1973-12-01), Komentani et al.
patent: 3838064 (1974-09-01), Vogt
patent: 3915916 (1975-10-01), Leverett

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