Hydraulic fluid
    13.
    发明专利
    Hydraulic fluid 有权
    液压油

    公开(公告)号:JP2013076098A

    公开(公告)日:2013-04-25

    申请号:JP2013016089

    申请日:2013-01-30

    Abstract: PROBLEM TO BE SOLVED: To provide a hydraulic fluid exhibiting less energy loss in compression, excellent in responsiveness when utilized in oil pressure circuits, and allowing energy saving, speed enhancement and highly accurate control in oil pressure circuits.SOLUTION: The hydraulic fluid has an ester as a base oil. The ester is a carboxylate ester having two or more aromatic rings. The carboxylate ester is a compound containing an aromatic alcohol diester skeleton structure of a dibasic acid represented by formula (4), wherein n and m are 0 or 1; p and q are an integer of 0 to 3; and X and Y are a 1-30C alkyl group which may contain a cycloalkyl group or an aromatic group, a 5-12C cycloalkyl group or aromatic group, a 2-30C alkyloxycarbonyl group which may contain a cycloalkyl group or an aromatic group, or a 2-30C alkylcarbonyloxy group which may contain a cycloalkyl group or an aromatic group.

    Abstract translation: 要解决的问题:提供一种在压缩中表现出较小的能量损失的液压流体,当在油压回路中使用时具有优异的响应性,并且允许油压回路中的节能,速度提高和高精度控制。 解决方案:液压油具有酯作为基础油。 酯是具有两个或多个芳环的羧酸酯。 羧酸酯是含有由式(4)表示的二元酸的芳族醇二酯骨架结构的化合物,其中n和m为0或1; p和q是0〜3的整数; X和Y是可以含有环烷基或芳基的1-30C烷基,5-12C环烷基或芳族基,可以含有环烷基或芳基的2-30C烷氧基羰基,或 可以含有环烷基或芳基的2-30C烷基羰基氧基。 版权所有(C)2013,JPO&INPIT

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