WO2015089784A1 - 具有摩擦改进性能润滑油组合物 - Google Patents

具有摩擦改进性能润滑油组合物 Download PDF

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WO2015089784A1
WO2015089784A1 PCT/CN2013/089954 CN2013089954W WO2015089784A1 WO 2015089784 A1 WO2015089784 A1 WO 2015089784A1 CN 2013089954 W CN2013089954 W CN 2013089954W WO 2015089784 A1 WO2015089784 A1 WO 2015089784A1
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parts
lubricating oil
friction
oil composition
antioxidant
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PCT/CN2013/089954
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English (en)
French (fr)
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龚金凤
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龚金凤
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Priority to PCT/CN2013/089954 priority Critical patent/WO2015089784A1/zh
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/28—Amides; Imides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C10M2219/066—Thiocarbamic type compounds
    • C10M2219/068—Thiocarbamate metal salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/12—Groups 6 or 16
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/04—Molecular weight; Molecular weight distribution
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/56—Boundary lubrication or thin film lubrication

Definitions

  • This invention relates to the use of automotive lubricating oil compositions, particularly additives having friction modifying properties, in automotive lubricating oil compositions. Background technique
  • Lubricants are generally lubricated oils used in internal combustion engines, and often existing lubricants often include additives for several purposes. To increase the maintenance of the vehicle and various lubrication effects.
  • An object of the present invention is to provide a lubricating oil composition having a friction improving property which overcomes the above problems and achieves the objective of reducing environmental pollution and improving friction reducing and antiwear properties.
  • Another object of the present invention is to improve a lubricating oil composition having friction improving properties which is simple in composition, has a remarkable antifriction effect, and can effectively reduce manufacturing costs.
  • a lubricating oil composition having friction improving properties characterized in that the composition is prepared by mixing the following components in a weight ratio (hereinafter referred to as a weight ratio): molybdenum dialkyldithiocarbamate (MoDTc) 0.1 3 parts, 10-20 parts of the anhydride-grafted ethylene-propylene interpolymer, 1-8 parts of the detergent, 0.2-2 parts of the antioxidant, 40-70 parts of the base oil.
  • MoDTc molybdenum dialkyldithiocarbamate
  • the anhydride-grafted ethylene-propylene interpolymer a weight average molecular weight of from 30,000 to 300,000.
  • the detergent is a salicylate alkaline earth metal detergent, and the alkaline earth metal may be any one of magnesium and calcium, and the amount thereof is preferably 2-6 parts.
  • the antioxidant is a mixture of a sulfur-shielding phenolic antioxidant and an alkyldiphenylamine antioxidant, and the sulfur-shielding phenolic antioxidant and the alkyldiphenylamine are mixed at a weight ratio of 1:1 to 5.
  • the above-mentioned antioxidant is preferably used in an amount of 0.5 parts -5 parts.
  • the friction improving performance lubricating oil composition further comprises an ashless dispersant, the ashless dispersant being a mixture of bis-succinimide and polysuccinimide, bis-succinimide
  • the composition ratio of the polybutadiene imide is 1:1 to 5.
  • the ashless dispersant is used in an amount of from 3 to 8 parts.
  • the invention is incorporated into a lubricating oil to form a physical adsorption film or a chemical adsorption film on the friction surface, which can increase the strength of the oil film, reduce the friction coefficient, and improve the wear resistance.
  • the composition of the present invention has no environmental pollution component, can reduce environmental pollution, has a good environmental protection effect, and is simple to manufacture and low in production cost. detailed description
  • weight percentages below have different points in different embodiments, but these points together constitute a range of coverage, and the points within the scope of the present invention are within the protection scope of the present invention.
  • the anhydride-grafted ethylene-propylene interpolymer used in the present invention has a weight average molecular weight of 30,000-300,000, and the detergent used is calcium salicylate, and the antioxidant used is sulfur-shielding phenol anti-oxidation.
  • the detergent used is calcium salicylate
  • the antioxidant used is sulfur-shielding phenol anti-oxidation.
  • the ashless dispersant used is a bis-succinimide and a polybutane
  • the composition of the diimide, the composition ratio of the succinimide and the polysuccinimide is 1:1 to 5. .
  • the acetic anhydride is first mixed with the ethylene-propylene interpolymer, and simultaneously heated and mechanically or pneumatically stirred. When the temperature is raised to 70-40 CTC, the mixture is stirred at a constant temperature until the grafting is completed, and an acid-grafted ethylene-propylene interpolymer is formed. 2 ⁇ , The following components are taken in parts by weight: Molybdenum dialkyldithiocarbamate (MoDTc) 0.1 parts, 10 parts of anhydride-grafted ethylene-propylene copolymer, 1 part of detergent, 0.2 parts of antioxidant, 3 parts of ashless dispersant, add 40 parts of base oil, mix and stir evenly.
  • Molybdenum dialkyldithiocarbamate Molybdenum dialkyldithiocarbamate
  • the acetic anhydride is first mixed with the ethylene-propylene interpolymer, and simultaneously heated and mechanically or pneumatically stirred. When the temperature is raised to 70-40 CTC, the mixture is stirred at a constant temperature until the grafting is completed, and an acid-grafted ethylene-propylene interpolymer is formed.
  • MoDTc molybdenum dialkyldithiocarbamate
  • the acetic anhydride is first mixed with the ethylene-propylene interpolymer, and simultaneously heated and mechanically or pneumatically stirred. When the temperature is raised to 70-40 CTC, the mixture is stirred at a constant temperature until the grafting is completed, and an acid-grafted ethylene-propylene interpolymer is formed.
  • the antioxidant is 0.5 parts by weight, the amount of the acid-grafted ethylene-propylene copolymer is 10 parts, the detergent is 2 parts, and the antioxidant is 0.5 parts. 4 parts of ashless dispersant, add 50 parts of base oil, mix and stir evenly.
  • the acetic anhydride is first mixed with the ethylene-propylene interpolymer, and simultaneously heated and mechanically or pneumatically stirred. When the temperature is raised to 70-40 CTC, the mixture is stirred at a constant temperature until the grafting is completed, and an acid-grafted ethylene-propylene interpolymer is formed.
  • MoDTc molybdenum dialkyldithiocarbamate
  • the acetic anhydride is first mixed with the ethylene-propylene interpolymer, and simultaneously heated and mechanically or pneumatically stirred. When the temperature is raised to 70-40 CTC, the mixture is stirred at a constant temperature until the grafting is completed, and an acid-grafted ethylene-propylene interpolymer is formed.
  • MoDTc molybdenum dialkyldithiocarbamate

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lubricants (AREA)

Abstract

一种具有摩擦改进性能润滑油组合物，该组合物由以下组分按照重量比混合制成：二烷基二硫代甲酸钼（MoDTc）0.1-3份，酸酐接枝的乙烯-丙烯共聚体10-20份，清净剂1-8份，抗氧剂0.2-6份，基础油40-70份。其加入润滑油中，在摩擦表面形成物理吸附膜或化学吸附膜，可起到增加油膜强度，减少摩擦系数，提高耐磨损能力的作用。

Description

具有摩擦改进性能润滑油组合物 技术领域
本发明涉及汽车润滑油组合物，特别是具有摩擦改进性能的添加剂在汽车润 滑油组合物中的用途。 背景技术
润滑剂是用于内燃机中的通用润滑的油，通常现有的润滑剂中往往包括用于 数种目的的添加剂。 以增加对车辆的保养及各项润滑效果。
其中一种是摩擦改进剂，摩擦改进剂是通过减小摩擦系数， 提高燃料的利用 效果从而改善燃料经济性， 如采用甘油单酯作为摩擦改进剂。 如专利申请
92100282. 3所提出的 "含有机钼、 钨添加剂的润滑油" ， 虽然 其具有一定的减 摩效果但仍有如下缺陷：由于其原料为含烷基二硫代磷酸硫化氧化钼和烷基二硫 代磷酸钨的有机化合物， 具有腐蚀性， 造成使用有局限性， 且有臭味， 造成环境 污染， 对于日益注重环保的现代， 上述摩擦改进剂已经不适应市场的需要。 发明内容
本发明的目的在于提供一种具有摩擦改进性能润滑油组合物，该组合物那个 克服上述问题， 达到减少环境污染， 提高减摩和抗磨功效的目的。
本发明的另一个目地在于提高一种具有摩擦改进性能润滑油组合物，该组合 物组方简单， 减摩效果明显， 且能够有效地降低制造成本。
为达到上述目地， 本发明是按照如下方式实现的。
一种具有摩擦改进性能润滑油组合物，其特征在于该组合物由以下组分按照 重量比混合制成（以下所称比例均为重量比）： 二烷基二硫代甲酸钼 (MoDTc)0.1 一 3份， 酸酐接枝的乙烯 -丙烯共聚体 10-20份， 清净剂 1一 8份， 抗氧剂 0. 2— 6 份， 基础油 40— 70份。
所述二烷基二硫代甲酸钼 (MoDTc), 其优选用量 0. 5-2份。
所述酸酐接枝的乙烯-丙烯共聚体， 30， 000-300， 000 的重均分子量。 所述清净剂为水杨酸盐碱土金属清净剂，所述碱土金属可以是镁、钙的任意 一种， 其用量最好 2-6份。
所述抗氧剂为硫屏蔽酚抗氧剂与烷基二苯胺抗氧剂的混合物，硫屏蔽酚抗氧 剂与烷基二苯胺按重量比为 1： 1〜5混合。
上述抗氧剂， 其优选用量为 0. 5份 -5份。
更进一步， 所述具有摩擦改进性能润滑油组合物， 其还包括有无灰分散剂， 所述无灰分散剂为双丁二酰亚胺和多丁二酰亚胺的混合物，双丁二酰亚胺和多丁 二酰亚胺的组成配比为 1： 1〜5。 无灰分散剂的用量为 3-8份。
本发明加入润滑油中， 在摩擦表面形成物理吸附膜或化学吸附膜， 可起到增 加油膜强度， 减少摩擦系数， 提高耐磨损能力的作用。
同时， 本发明的组成没有环境污染成份， 能够减少环境污染， 具有很好的环 保效果， 而且制作简单， 制作成本低廉。 具体实施方式
下面通过实施例对本发明作进一步的说明。应当指出的是， 对于本发明的具 体说明， 并不作为对发明的具体限定， 凡以近似方式实现的技术方案， 均与发明 的具体实施等同。
同时需要说明的是，下文中的重量百分比虽然在不同的实施例中具有不同的 点， 但是这些点共同构成一个涵盖范围， 对于在此涵盖范围内的点， 均属于本发 明的保护范围。
本发明所采用的酸酐接枝的乙烯-丙烯共聚体为 30， 000-300, 000 的重均分 子量的，所采用的清净剂为水杨酸钙， 所用的抗氧剂为硫屏蔽酚抗氧剂与烷基二 苯胺抗氧剂的混合物， 硫屏蔽酚抗氧剂与烷基二苯胺按重量比为 1： 1〜5混合； 所采用的无灰分散剂为双丁二酰亚胺和多丁二酰亚胺的混合物，双丁二酰亚胺和 多丁二酰亚胺的组成配比为 1： 1〜5。 。
【实施例 1】 。
先将乙酸酐与乙烯 -丙烯共聚体混合， 同时升温并机械或者风动搅拌， 当温 度升至 70-40CTC时恒温搅拌至接枝完成，形成酸酐接枝的乙烯 -丙烯共聚体备用。 再取以重量百分比计的以下组份： 二烷基二硫代甲酸钼 (MoDTc)0.1份， 酸 酐接枝的乙烯 -丙烯共聚体 10份，清净剂 1份，抗氧剂 0. 2份，无灰分散剂 3份， 加入基础油 40份中， 混合搅拌均匀即可。
【实施例 2】 。
先将乙酸酐与乙烯 -丙烯共聚体混合， 同时升温并机械或者风动搅拌， 当温 度升至 70-40CTC时恒温搅拌至接枝完成，形成酸酐接枝的乙烯 -丙烯共聚体备用。
再取以重量百分比计的以下组份： 二烷基二硫代甲酸钼 (MoDTc)3份， 酸酐 接枝的乙烯 -丙烯共聚体 20份， 清净剂 8份， 抗氧剂 6份， 无灰分散剂 8份， 加 入基础油 70份中， 混合搅拌均匀即可。
【实施例 3】 。
先将乙酸酐与乙烯 -丙烯共聚体混合， 同时升温并机械或者风动搅拌， 当温 度升至 70-40CTC时恒温搅拌至接枝完成，形成酸酐接枝的乙烯 -丙烯共聚体备用。
再取以重量百分比计的以下组份： 二烷基二硫代甲酸钼 (MoDTc)0.5份， 酸 酐接枝的乙烯 -丙烯共聚体 10份，清净剂 2份，抗氧剂 0. 5份，无灰分散剂 4份， 加入基础油 50份中， 混合搅拌均匀即可。
【实施例 4】 。
先将乙酸酐与乙烯 -丙烯共聚体混合， 同时升温并机械或者风动搅拌， 当温 度升至 70-40CTC时恒温搅拌至接枝完成，形成酸酐接枝的乙烯 -丙烯共聚体备用。
再取以重量百分比计的以下组份： 二烷基二硫代甲酸钼 (MoDTc)2份， 酸酐 接枝的乙烯 -丙烯共聚体 20份， 清净剂 6份， 抗氧剂 5份， 无灰分散剂 5份， 加 入基础油 70份中， 混合搅拌均匀即可。
【实施例 5】 。
先将乙酸酐与乙烯 -丙烯共聚体混合， 同时升温并机械或者风动搅拌， 当温 度升至 70-40CTC时恒温搅拌至接枝完成，形成酸酐接枝的乙烯 -丙烯共聚体备用。
再取以重量百分比计的以下组份： 二烷基二硫代甲酸钼 (MoDTc) 1份， 酸酐 接枝的乙烯 -丙烯共聚体 15份， 清净剂 4份， 抗氧剂 3份， 无灰分散剂 6份，加 入基础油 60份中， 混合搅拌均匀即可。
总之， 以上所述， 仅仅是对本发明实施的具体描述， 并不代表本发明所实施 的所有方式。在本发明目的及技术方案的基础上所做的等同变化及修饰， 均在发 明的保护范围内。

Claims

权 利 要 求 书
1、 一种具有摩擦改进性能润滑油组合物， 其特征在于该组合物由以下组分 按照重量比混合制成：二烷基二硫代甲酸钼 (MoDTc)0.1— 3份，酸酐接枝的乙烯 -丙烯共聚体 10-20份， 清净剂 1一 8份， 抗氧剂 0. 2— 6份， 基础油 40— 70份。
2、 如权利要求 1所述的具有摩擦改进性能润滑油组合物， 其特征在于所述 二烷基二硫代甲酸钼 (MoDTc) , 其用量为 0. 5-2份。
3、 如权利要求 1所述的具有摩擦改进性能润滑油组合物， 其特征在于所述 酸酐接枝的乙烯-丙烯共聚体为 30， 000-300, 000 的重均分子量。
4、 如权利要求 1所述的具有摩擦改进性能润滑油组合物， 其特征在于所述 清净剂为水杨酸盐碱土金属清净剂， 所述碱土金属可以是镁、钙的任意一种， 其 用量为 2-6份。
5、 如权利要求 1所述的具有摩擦改进性能润滑油组合物， 其特征在于所述 抗氧剂为硫屏蔽酚抗氧剂与烷基二苯胺抗氧剂的混合物，硫屏蔽酚抗氧剂与烷基 二苯胺按重量比为 1： 1〜5混合。
6、 如权利要求 5所述的具有摩擦改进性能润滑油组合物， 其特征在于上述 抗氧剂， 其用量为 0. 5份 -5份。
7、 如权利要求 1所述的具有摩擦改进性能润滑油组合物， 其特征在于所述 具有摩擦改进性能润滑油组合物，其还包括有无灰分散剂， 所述无灰分散剂为双 丁二酰亚胺和多丁二酰亚胺的混合物，双丁二酰亚胺和多丁二酰亚胺的组成配比 为 1： 1〜5， 无灰分散剂的用量为 3-8份。
PCT/CN2013/089954 2013-12-19 2013-12-19 具有摩擦改进性能润滑油组合物 WO2015089784A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN1392228A (zh) * 2001-06-15 2003-01-22 英菲诺姆国际有限公司 润滑油组合物
CN101218330A (zh) * 2005-04-20 2008-07-09 日本能源株式会社 长寿命、节约燃料的机油组合物
CN102041143A (zh) * 2011-01-07 2011-05-04 北京欧陆宝石化产品有限公司 一种双膜润滑油
CN102690711A (zh) * 2011-03-24 2012-09-26 中国石油化工股份有限公司 一种汽油发动机润滑油组合物

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1392228A (zh) * 2001-06-15 2003-01-22 英菲诺姆国际有限公司 润滑油组合物
CN101218330A (zh) * 2005-04-20 2008-07-09 日本能源株式会社 长寿命、节约燃料的机油组合物
CN102041143A (zh) * 2011-01-07 2011-05-04 北京欧陆宝石化产品有限公司 一种双膜润滑油
CN102690711A (zh) * 2011-03-24 2012-09-26 中国石油化工股份有限公司 一种汽油发动机润滑油组合物

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