Coating and lubricant compositions containing polyfluorfullerene

Details Coating and lubricant compositions containing polyfluorfullerene Coating and lubricant compositions containing polyfluorfullerene

1997-05-09

1999-09-28

McCamish, Marion

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

524495, 524496, 524543, 524544, 524545, 508588, 20415715, 20415742, 20415744, C10M13102

Patent

active

059585234

ABSTRACT:
The invention relates coating and lubricating compositions comprising polyfluorfullerene and method for using same. The surface to be coated can also be the surface of granulated or powdery polymers. To make polyfluorfullerene a fullerene solution is mixed with a polytetrafluoroethylene dispersion, and the reaction mixture is irradiated with fluorescent light during the mixing time to form polyfluorfullerene. Also, the polyfluorfullerene can be sublimated upon the surface to be coated at about 350.degree. C., or, applied to a surface and sintered at about 400.degree. C., preferably more than 400.degree. C.
Polyfluorfullerene can also be used as additive for a coating of surfaces.

REFERENCES:
patent: 5248498 (1993-09-01), Neumann et al.
patent: 5354926 (1994-10-01), Fagan et al.
patent: 5558903 (1996-09-01), Bhushan et al.
Holloway, et al., "Fluorination of Buckminsterfullerene", Chem. Soc. Chem. Commun. (1991).
Hamwi, et al., Preparation and Characterization of Fluorinated Fullerenes, Fullerene Science &Technology, 1(4) (1993).
Hirsch, Andreas, "The Chemistry of the Fullerenes", Organic Chemistry Monograph Series, (1993).

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