LUBRICANT-AND-COOLANT CONCENTRATE FOR METAL WORKING Russian patent published in 2005 - IPC

FIELD: metal working.

SUBSTANCE: proposed concentrate contains, mass-%: mineral oil, 15-30; condensation product of non-saturated fatty acid and 2,2¹-imino diethanol at mole ratio of1 : (2.5-5.0), 15-25; fatty acids of vegetable oils of fraction C₁₂-C₂₀, 2-6; glycols, 20-35; boric acid, 2-5; polyoxiethylated alkyl phenols, 0.1-5.0; product of interaction of acid ester of boric acid and alkanol amines, 1-6; anti-foaming agent, 0.05-0.3; the remainder being water. Proposed liquid has improved lubricating properties, enhanced biostability; enhanced resistance to positive and negative temperatures.

EFFECT: enhanced efficiency; extended field of application.

4 tbl