Reaction products of mercaptobenzothiazoles, mercaptothiazolines, and mercaptobenzimidazoles with epoxides as lubricant additives

A composition comprising:

• (A) a lubricant, and
• (B) at least one compound selected from the group consisting of alcohols of the formulae:
• wherein
• Y is N or S;
• R1, R2, R3, and R4 are independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkaryl, aryl, alkoxy, and alkyl ester;
• R5 is selected from the group consisting of hydrogen, alkyl, alkoxy, a carboxy alkyl group of the structure:
• (CH2)pCO2R9
• where:
• p is from 1 to 18, and
• R9 is hydrocarbyl;
• R7 is selected from the group consisting of hydrogen, CH2OR11, alkyl, and alkenyl,
• wherein:
• said alkyl and alkenyl groups are optionally substituted with OH, oxirane, or X;
• R11 is selected from the group consisting of alkyl of from 1 to 36 carbon atoms, alkaryl of from 6 to about 50 carbon atoms, and aryl, and may contain ether or ester functionalities;
• X is of the structure:
• or R5 and R7 are fused together to form a ring of 3-10, preferably 5 or 6, carbon atoms, which may be further substituted with alkyl, cycloalkyl, alkenyl, aryl, or alkoxy groups, and may contain ether or ester functionalities;
• and R6 and R8 are independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, aryl, and alkoxy.