Water-dispersion lubricant of graphite, particulate resin and hi

Details Water-dispersion lubricant of graphite, particulate resin and hi Water-dispersion lubricant of graphite, particulate resin and hi

1989-08-30

1991-07-09

Willis, Prince E.

Compositions

Electrolytes for electrical devices

252 495, 252 56R, C10M17302

Patent

active

050303678

ABSTRACT:
Disclosed herein is a water-dispersion-type hot-rolling lubricant for the production of seamless steel pipes. This lubricant features the inclusion of a salt of a polybasic high molecular acid in addition to fine graphite powder, a water-insoluble fine particulate synthetic resin and water as principal components and fine gilsonite powder as an optional component. Even when the surface temperature of a mandrel bar is in a high temperature range of 100.degree.-400.degree. C., this lubricant can form a uniform and thick coating film on the surface of the bar so that the lubricant can exhibit extremely good hot-rolling lubrication performance.

REFERENCES:
patent: 4001125 (1977-01-01), Newton, III
patent: 4052323 (1977-10-01), Feneberger et al.
patent: 4401579 (1983-08-01), Kratzer
patent: 4711733 (1987-12-01), Kanda et al.
patent: 4735734 (1988-04-01), Staub et al.
patent: 4808324 (1989-02-01), P'eriard et al.

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