Preparation of bismuth dithiocarbamates

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Nitrogen and heavy metal – or nitrogen and aluminum – in the...

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508283, 508285, 508364, C10M14112

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active

056312148

ABSTRACT:
A novel method is disclosed for preparation of bismuth dithiocarbamates by an exchange reaction between a bismuth carboxylate and a metal dithiocarbamate. The metal dithiocarbamate can be added to the reaction or prepared in situ by reacting a secondary amine and carbon disulfide in the presence of metal oxide, metal hydroxide or a tertiary amine.
The reaction products are useful as extreme pressure additives when incorporated in lubricants.

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patent: 2947695 (1960-08-01), Leshin et al.
patent: 3139405 (1964-06-01), Farmer et al.
patent: 3707498 (1972-12-01), Milsom

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