Arrangement in pairs of plastic sliding on plastic in tribologic

Details Arrangement in pairs of plastic sliding on plastic in tribologic Arrangement in pairs of plastic sliding on plastic in tribologic

1979-06-18

1983-02-01

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 122, 252 124, 252 126, C10M 510, C10M 500

Patent

active

043714455

ABSTRACT:
The invention relates to a tribological system with plastic/plastic pairings, especially sliding bearings, in which plastics--optionally supported by lubricants--carry out motions in sliding friction relative to one another and at least one of the main sliding partners and/or auxiliary partner is a plastic, containing polar, cyclic compounds, in which the cyclic part of the molecule on at least one side is coupled directly to an atom of Group V (especially nitrogen) or of Group VI (especially oxygen and/or sulfur) of the Periodic System of the elements, or in which the rings contain the atoms mentioned. Excellent sliding conditions are obtained when the polar synthetic materials, containing the cyclic compound(s), either are monovalent, cyclic chain polymers or chain polymers in the form of polyheterocycles ("semi-ladder polymers") or chain polymers in the form of monovalent polyheterocycles or fully cyclic chain polymers ("ladder polymers") or homopolymers or copolymers or polymer mixtures within the above groups or of these groups or with other molecules or polymers and either both main polymers are polar and contain different cyclic compounds, while the auxiliary sliding partner however is nonpolar, or that both main sliding partners are nonpolar, while the auxiliary sliding partner however is polar and contains cyclic compounds.

REFERENCES:
patent: 3094376 (1963-06-01), Thomas
patent: 3344064 (1967-09-01), Brady et al.
patent: 3629103 (1971-12-01), Korshak et al.
patent: 3652408 (1972-03-01), Korshak et al.
patent: 3994847 (1976-11-01), Marcantonio et al.
patent: 4075111 (1978-02-01), Bilow et al.
patent: 4108080 (1978-08-01), Garner et al.
patent: 4202780 (1980-05-01), Brendle
"Plastic Bearings", by J. C. Benedyk in SPE Journal, Apr. 1970, vol. 26, pp. 78-85.

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