Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1993-09-14
1995-02-21
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524495, 525435, C08J 510, C08K 338, C08L 7908
Patent
active
053916050
ABSTRACT:
A polymeric composition containing internal lubricants is suitable for low friction applications. The composition contains from about 65 to about 85 weight percent of a polymeric blend and from about 15 to about 35 weight percent of internal lubricants, wherein said blend consists essentially of from about 35 to about 100 weight percent of polybenzimidazole and from about 0 to about 65 weight percent of poly(aryletherketone), and said lubricants consist essentially of graphite and boron nitride in a weight ratio of about 1:10 to about 10:1, respectively. The composition is useful for preparing shaped articles such as bearings, bearing sleeves, rings, etc.
REFERENCES:
patent: 4738999 (1988-04-01), Blenner et al.
patent: 4810730 (1989-03-01), Letinski et al.
patent: 5139863 (1992-08-01), Alvarez et al.
Alvarez Eduardo
Andres Todd
Cooper William
Hughes O. Richard
Wang Chun
Hoechst Celanese Corp.
McGinnis James L.
Michl Paul R.
Rajguru U. K.
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