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WATER-SOLUBLE ADDITIVE HAVING HIGH-PRESSURE EFFECT FOR WATER-SOLUBLE FUNCTIONAL FLUID, FUNCTIONAL FLUID CONTAINING THE SAME AND CONCENTRATED WATER-SOLUBLE COMPOSITION
WATER-SOLUBLE ADDITIVE HAVING HIGH-PRESSURE EFFECT FOR WATER-SOLUBLE FUNCTIONAL FLUID, FUNCTIONAL FLUID CONTAINING THE SAME AND CONCENTRATED WATER-SOLUBLE COMPOSITION
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机译:具有对水溶性功能流体,包含相同和浓缩的水溶性成分的功能流体具有高压作用的水溶性添加剂
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摘要
This invention relates to the use of water-soluble 3-mercaptopropionic acid disulphide salts as extreme pressure additives for aqueous functional fluids. These salts may be prepared by the oxidation of 3-mercaptopropionic acid followed by bringing the disulphide obtained into contact with an organic or inorganic base. Functional fluids are used during industrial operations such as, for example, the machining of metals.
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