C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/133
C10M 119/16 (2006.01) C10M 137/10 (2006.01)
Patent
CA 1265779
FUNCTIONAL FLUIDS AND CONCENTRATES CONTAINING ASSOCIATIVE POLYETHER THICKENERS AND CERTAIN METAL DIALKYLDITHIOPHOSPHATES Abstract of the Disclosure The invention relates to functional fluid concen- trates and functional fluids which can be prepared by mixing the concentrates with water. The functional fluids can be used in hydraulic systems or as metalworking compositions to cool and lubricate surfases which are in frictional contact during operations such as the turning, cutting, peeling, or grinding of metals. The functional fluid concentrate comprises: (a) a cloud point raising metal dialkyldithio- phosphate additive having the following structural formula: Image wherein R1, R2, R3, and R4 are individually linear or branched alkyl, alkenyl, aryl, arylalkyl and alkylaryl groups having from 1 to 24 carbon atoms: and M is selected from the group consisting of Zn, Sb, Sn, Mg, and Mn; preferably Zn or Sb; (b) a polyether nonionic surfactant; (c) an associative polyether thickener; and (d) a nitrogen-containing, phosphorous-free carboxylic solubilizer. Preferably the concentrate also contains a linear or branched alkanolamine having 2 to 10 carbon atoms.
510703
Carson James Elery
Coker Daniel Edward
Frentrup Mark Andrew
Hirozawa Stanley Tariho
Basf Corporation
Robic Robic & Associes/associates
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