Abstract: A fluorine compound-containing composite material consists essentially of a metal or polymer matrix and particles or fibers of a polytetrafluoroethylene oligomer having a number average molecular weight of 10,000 or less, the proportion of the number of fluorine atoms to the number of the total atoms at the surface portion of the composite material being 40% or more.
Type:
Grant
Filed:
January 27, 1997
Date of Patent:
April 4, 2000
Assignees:
Nobatsu Watanabe, Yong-Bo Chong, C. Uyemura & Co., Ltd.
Abstract: A fluorine compound-containing composite material consists essentially of a metal or polymer matrix and particles or fibers of a polytetrafluoroethylene oligomer having a number average molecular weight of 10,000 or less, the proportion of the number of fluorine atoms to the number of the total atoms at the surface portion of the composite material being 40% or more.
Type:
Grant
Filed:
April 23, 1993
Date of Patent:
December 31, 1996
Assignees:
Nobuatsu Watanabe, Yong-Bo Chong, C. Uyemura & Co.
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