Ethylenic hydrocarbons sulphurized by elemental sulphur in the p

Details Ethylenic hydrocarbons sulphurized by elemental sulphur in the p Ethylenic hydrocarbons sulphurized by elemental sulphur in the p

1996-01-11

1997-12-16

McAvoy, Ellen M.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Sulfurized compound of indeterminate structure, which is a...

508342, 568 18, C10M13504

Patent

active

056985010

ABSTRACT:
Sulphur-containing substances are derived from mono- or polyethylenic hydrocarbons by sulphurization using elemental sulphur in the presence of an alkali metal carbonate or bicarbonate and in the presence of water and/or at least one alkyleneglycol.
The sulphur-containing substances, which may contain 20% to 70% by weight of sulphur, are generally soluble in lubricants to improve antiwear and extreme pressure properties. They can also be used as sulphurization agents, in particular for preparing catalysts for refining petroleum products.

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Chemical Abstract, vol. 100(18), Abstract No. 142011m, 20 Apr. 1984.

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