Mannich base composition

Details Mannich base composition Mannich base composition

C - Chemistry, Metallurgy

08

G

253/106, 253/90,

C08G 14/06 (2006.01) C10M 159/22 (2006.01)

Patent

CA 1099744

ABSTRACT OF THE DISCLOSURE New Mannich bases and the alkaline earth metal salts thereof, wherein the Mannich bases are prepared by condensing formaldehyde and a polyamine with (A) a phenolic mixture consisting of (a) from 95 to 30% phenol alkylated with a straight-chain alpha-olefin of from 16 to about 28 carbon atoms or alpha-olefin mixtures wherein the alpha-olefins are of from 16 to about 28 carbon atoms, or (B) a sulfur-containing phenolic mixture consisting of (1) from 5 to 40% of a sulfurized alkylphenol of the formula Image wherein R is C8-C36 alkyl, n is an integer from 1 to 8, and y is an integer from 1 to 9, and (b) from 95 to 60% of a phenolic mixture consisting of (a) from 95 to 30% phenol alkylated with a - 1 - propylene tetramer and (b) from 5 to 70% phenol alkylated with a straight- chain alpha-olefin of from 16 to about 28 carbon atoms or alpha-olefin mixtures wherein the alpha-olefins are of from 16 to about 28 carbon atoms, are useful as additives for lubricating oils, particularly for use in marine cylinder lubricating oils.

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