Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Compound of indeterminate structure – prepared by reacting a...
Patent
1996-12-05
1998-08-04
Howard, Jacqueline V.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Compound of indeterminate structure, prepared by reacting a...
508107, 508204, C10M13904
Patent
active
057893543
ABSTRACT:
A lubricative composition which can retain lubricating oil or grease without degrading it, which is heat-resistant and mechanically strong, and can be used continuously for a much longer time than conventional ones without the possibility of shortage of lubricant supply. It includes a first component, which is a modified silicone oil having reactive organic groups, a second component, which is a curing agent having organic groups that react with the reactive organic groups, and a third component, which is a lubricating oil or grease. The third component is retained in a three-dimensionally reticulated structure of silicone formed by polymerizing the first and second components in the third component. The third component has no compatibility with either the first or second components. The lubricating oil or grease retained in the lubricative composition can ooze out through the pores that communicate with each other onto the surface of the lubricative composition, so that the composition will exhibit lubricating properties stably for a long period of time. By adding a high-viscosity synthetic hydrocarbon oil to the base oil of the lubricating oil or grease, it is possible to positively prevent separation of oil during hardening.
REFERENCES:
patent: 3821112 (1974-06-01), Korshak et al.
patent: 3985661 (1976-10-01), Ikeda et al.
patent: 4378389 (1983-03-01), Maruyama et al.
Asao Mitsunari
Mikami Hidenobu
Howard Jacqueline V.
NTN Corporation
Toomer Cephia D.
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