Process for preparing a friable tetrafluoroethylene polymer powd

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy

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20415914, 252 58, 260 296F, 260 334F, 260 336F, 260 338F, 260857TW, 260897C, 260900, 526255, 528502, C08F 246, C08F11400

Patent

active

040367185

ABSTRACT:
Dry non-sticky fine lubricant powders are made by .gamma.-irradiation of unsintered coagulated dispersion grade tetrafluoroethylene polymers and organic dispersions are made by dispersing the irradiated polymer in an organic medium.

REFERENCES:
patent: 2936301 (1960-05-01), Thomas
patent: 3766031 (1973-10-01), Dillon
Ryan; Radiation of Polytetrafluoroethylene, Modern Plastics, vol. 31, p. 152 (1954).
Chapiro, Radiation Chemistry of Polymeric Systems, Wiley & Sons, p. 526 (1962).

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