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润滑科技信息平台
机械工程学会摩擦学分会 固体润滑国家重点实验室 摩擦学学报
润滑油成分
专利摘要

[目的]提供一种润滑油组合物,其生物降解性、润滑性(极压性)、氧化稳定性和破乳化性优异,在水生生物中的毒性和生物蓄积性低,即使在水中也具有优异的剪切稳定性。 水的存在。 [溶液] 润滑油组合物,其含有下述酯化合物(A)100质量份、下述酸性磷酸酯的胺盐(B)0.1~1.5质量份、胺系化合物0.3~2.0质量份。 (C)抗氧剂、(D)酚系抗氧剂0.3~2.0质量份、(A)由(A)衍生的构成成分(a)摩尔比例为20~30摩尔%的酯化合物。 季戊四醇、来自碳原子数14~22的直链脂肪酸的构成成分(b)的摩尔比例为55~79摩尔%、构成成分(b)的摩尔比例为1~15摩尔%。 c)衍生自己二酸,其中构成组分(b)的摩尔百分比相对于构成组分(c)的摩尔百分比的比率[(c)摩尔%/(b)摩尔%]为0.02至 0.25,其中,酯化合物的羟值为10~100mgKOH/g,(B)下式(1)表示的酸性磷酸酯的胺盐,(式(1)中,n表示 1或2的整数,R'表示碳数为4至6的直链烷基,R”表示氢或碳数为11至14的烷基。)。 ......

基本信息
  • 专利类型:

    发明专利

  • 申请/专利号:

    EP2022886752

  • 申请日期:

    2022-10-17

  • 专利申请人:

  • 分类号:

    ["C10M169/04","C10M129/10","C10M129/78","C10M133/12","C10M137/08","C10N30/00","C10N30/06","C10N30/10","C10N40/02","C10N40/04","C10N40/08"]

  • 发明/设计人:

    MONJIYAMA, SHUNSUKE ， KAWAMOTO, HIDEKI ， ODA, KAZUHIRO

  • 权利要求: 1. A lubricant oil composition comprising 100 mass parts of the following ester compound (A), 0.1 to 1.5 mass parts of the following amine salt (B) of an acidic phosphoric acid ester, 0.3 to 2.0 mass parts of an amine-based oxidation preventing agent (C), and 0.3 to 2.0 mass parts of a phenol-based oxidation preventing agent (D), (A) said ester compound comprising a molar percentage of 20 to 30 mol% of a constituent component (a) derived from pentaerythritol, a molar percentage of 55 to 79 mol% of a constituent component (b) derived from a straight-chain fatty acid having a carbon number of 14 to 22, and a molar percentage of 1 to 15 mol% of a constituent component (c) derived from adipic acid, wherein a ratio [(c) mol%/(b) mol%] of said molar percentage of said constituent component (b) derived from said straight-chain fatty acid with respect to said molar percentage of said constituent component (c) derived from adipic acid is 0.02 to 0.25 and wherein said ester compound has a hydroxyl value of 10 to 100 mgKOH/g, (B) said amine salt of an acidic phosphoric acid ester represented by the following formula (1), (in the formula (1), n represents an integer of 1 or 2, R' represents a straight-chain alkyl group having a carbon number of 4 to 6, and R" represents hydrogen or an alkyl group having a carbon number of 11 to 14.).
原文

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