Mineral oil containing surface active agent
    70.
    发明授权
    Mineral oil containing surface active agent 失效
    矿物油表面活性剂

    公开(公告)号:US3575861A

    公开(公告)日:1971-04-20

    申请号:US3575861D

    申请日:1969-01-29

    Inventor: PRATT RICHARD J

    Abstract: THE PRESENT INVENTION PROVIDES OIL-SOLUBLE, POLYMERIC SURFACE-ACTIVE AGENTS WHICH ARE POLYIMIDE-AMINE SALTS OF STYRENE-MALEIC ANHYDRIDE COPOLYMERS HAVING PENDANT TERTIARY AMINE GROUPS CONTAINING A SALT-FORMING TERTIARY NITROGEN ATOM NEUTRALIZED TO THE EXTENT OF AT LEAST ABOUT 75 PERCENT WITH MON-CARBOXYLIC ACIDS FOR INSTANCE HAVING AN ALIPHATIC CHAIN OF AT LEAST ABOUT 8 CARBON ATOMS. THE SALTS OF THIS INVENTION EXHIBIT THE PROPERTY OF LOWERING THE SURFACE TENSION AT OIL-WATER INTERFACES. THE POLYIMIDEAMINE SALTS CAN ALSO CONTAIN MIXED IMIDES RESULTING FROM THE REACTION OF DIALKYLAMINOALKYLAMINES AND MONOALKYL AMINES OR MIXED IMIDE-AMIDES RESULTING FROM THE REACTION OF DIALKYLAMINOALKYLAMES AND DIALKYLAMINES. THIS INVENTION ALSO PROVIDES OIL COMPOSITIONS CONTAINING MINERAL OIL AND THE OIL-SOLUBLE, POLYMERIC SURFACE-ACTIVE POLYIMIDE-AMINE SALTS, WITH OR WITHOUT WATER. THESE COMPOSITIONS ARE USEFUL, FOR INSTANCE, AS HYDRAULIC FLUIDS, JET FUELS, ELECTROLYTE-CONTAINING OILS, ANTI-WEAR LUBRICATING OILS, DIESEL FUELS, AND GASOLINES.

    Abstract translation: 本发明提供了油溶性聚合物表面活性剂,它们是苯乙烯 - 马来酸酐共聚物的聚酰亚胺 - 胺盐,它具有侧链叔胺基团,其含有形成盐的叔氮原子至少约75% - 羧酸,例如具有至少约8个碳原子的脂族链。 本发明的盐显示降低油 - 水界面处的表面张力的性质。 聚酰胺 - 胺盐还可以含有二烷基氨基烷基胺和单烷基胺或由二烷基氨基烷基胺和二烷基胺反应得到的混合酰亚胺酰胺反应得到的混合酰亚胺。 本发明还提供含有矿物油和油溶性聚合物表面活性聚酰亚胺 - 胺盐的油组合物,其具有或不具有水。 这些组合物可用作例如液压油,喷气燃料,含电解质的油,耐磨润滑油,柴油燃料和汽油。

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