Lubricating film comprising a covalently bonded, chemically adso

Details Lubricating film comprising a covalently bonded, chemically adso Lubricating film comprising a covalently bonded, chemically adso

1997-11-14

2000-08-08

Nakarani, D. S.

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Web or sheet containing structurally defined element or...

Physical dimension specified

428447, 428448, B32B 704

Patent

active

060999586

ABSTRACT:
A chemically adsorbed film comprising carbon-chain organic molecules is formed on a substrate surface via covalent bonds, and organic compounds comprising carbon chains are physically adsorbed to the surface of the chemically adsorbed film, thus providing a lubricating film which is thin and durable against friction, and with good anti-abrasion and sliding properties. The thickness of the lubricating film is at the nanometer level. More specifically, a lubricating film is made by forming a chemically adsorbed film on a substrate surface after dipping and holding the substrate in a nonaqueous solution dissolving chemical admolecules, and by coating a chloroform solution of a long-chain hydrocarbon-based fatty acid ester compound on the surface of the chemically adsorbed film.

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