Patent ID: 6204227
Filing Date: 2001-03-20
Classification: C10M,C10N

Abstract:
A concentrated lubricant composition for use in metal working operations, the composition comprising:a substantially neutral phosphate ester, said phosphate ester comprising a mixture of a tri(alkylphenyl)phosphate, a di(alkylphenyl)monophenyl phosphate, a mono(alkylphenyl)diphenylphosphate, and triphenyl phosphate, in which each alkyl group contains one to six carbon atoms;a surfactant;a non-ionic alcohol; andwater;in which:the phosphate ester comprises 5% to 30% by weight of the composition;the surfactant and the non-ionic alcohol together comprise 10% to 60% by weight of the composition;the ratio of the total weight of the surfactant and the non-ionic alcohol to the weight of the phosphate ester is 2:1 to 12:1; andthe composition is a microemulsion.