A functional fluid composition useful as a brake fluid comprising from 0 to 94.99% by weight of alkoxy glycols of borate esters, from 5 to 99.99% by weight of alkoxy glycols, from 0.01 to 5% by weight of alkoxylates of saturated or unsaturated hydroxy-substituted fatty acids such as ricinoleic acid or esters thereof, the hydroxyl group located on the fatty acid side chain being etherified by at least one oxyalkylene unit, and from 0 to 10% by weight of an additive package comprising additives with corrosion inhibition action.
一种用作制动液的功能性流体组合物,包括 0 至 94.99%(重量)的
硼酸酯烷氧基
乙二醇、5 至 99.99%(重量)的烷氧基
乙二醇、0.01至5%(重量)的饱和或不饱和羟基取代
脂肪酸(如
蓖麻油酸)的烷氧基化物或其酯,
脂肪酸侧链上的羟基被至少一个氧亚烷基单元醚化,以及0至10%(重量)的复合添加剂,该复合添加剂包括具有缓蚀作用的添加剂。