RU2768881C2 - Новые средства, улучшающие индекс вязкости, обладающие определенными молекулярно-массовыми распределениями - Google Patents

Новые средства, улучшающие индекс вязкости, обладающие определенными молекулярно-массовыми распределениями Download PDF

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RU2768881C2
RU2768881C2 RU2018131129A RU2018131129A RU2768881C2 RU 2768881 C2 RU2768881 C2 RU 2768881C2 RU 2018131129 A RU2018131129 A RU 2018131129A RU 2018131129 A RU2018131129 A RU 2018131129A RU 2768881 C2 RU2768881 C2 RU 2768881C2
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meth
mol
acrylate
range
molecular weight
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Катрин ШЁЛЛЕР
Сара ЛИППЕРТ
Вольфганг ЧЕПАТ
Клаус ШИМОССЕК
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Эвоник Оперейшнс Гмбх
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    • C08L33/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04Homopolymers or copolymers of esters
    • C08L33/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/08Homopolymers or copolymers of acrylic acid esters
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    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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    • C10N2020/00Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
RU2018131129A 2017-09-04 2018-08-29 Новые средства, улучшающие индекс вязкости, обладающие определенными молекулярно-массовыми распределениями RU2768881C2 (ru)

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RU2018131129A3 RU2018131129A3 (cg-RX-API-DMAC7.html) 2021-08-27
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WO2019176944A1 (ja) * 2018-03-12 2019-09-19 出光興産株式会社 潤滑油組成物
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CN113597463B (zh) * 2019-03-20 2022-08-02 赢创运营有限公司 用于改进燃料经济性、分散性和沉积物性能的聚(甲基)丙烯酸烷基酯
EP3778839B1 (en) * 2019-08-13 2021-08-04 Evonik Operations GmbH Viscosity index improver with improved shear-resistance
US11365273B2 (en) * 2019-12-16 2022-06-21 Infineum International Limited High viscosity index comb polymer viscosity modifiers and methods of modifying lubricant viscosity using same
US11384311B2 (en) 2019-12-16 2022-07-12 Infineum International Limited High viscosity index comb polymer viscosity modifiers and methods of modifying lubricant viscosity using same
US20210179960A1 (en) * 2019-12-16 2021-06-17 Infineum International Limited High Viscosity Index Comb Copolymer Viscosity Modifiers and Methods of Modify Lubricant Viscosity Using Same
US11685874B2 (en) * 2019-12-16 2023-06-27 Infineum International Limited High viscosity index comb polymer viscosity modifiers and methods of modifying lubricant viscosity using same
US20210179961A1 (en) * 2019-12-16 2021-06-17 Infineum International Limited High Viscosity Index Comb Copolymer Viscosity Modifiers and Methods of Modifying Lubricant Viscosity Using Same
US20210179965A1 (en) * 2019-12-16 2021-06-17 Infineum International Limited High Viscosity Index Comb Copolymer Viscosity Modifiers and Methods of Modifying Lubricant Viscosity Using Same
CN115023451B (zh) * 2020-03-25 2025-01-03 三菱化学株式会社 聚合物组合物、润滑油添加剂、粘度指数提高剂、润滑油组合物、聚合物组合物的制造方法、和大分子单体的制造方法
CA3172828A1 (en) * 2020-04-30 2021-11-04 Evonik Operations Gmbh Process for the preparation of dispersant polyalkyl (meth)acrylate polymers
US12065526B2 (en) 2020-04-30 2024-08-20 Evonik Operations Gmbh Process for the preparation of polyalkyl (meth)acrylate polymers
CN116209738A (zh) * 2020-09-01 2023-06-02 国际壳牌研究有限公司 发动机油组合物
CN113150857A (zh) * 2020-11-30 2021-07-23 大连同康新材料科技有限公司 一种聚甲基丙烯酸酯作为节能液压油的黏度指数改进剂的应用和节能液压油
JP7742413B2 (ja) * 2020-12-18 2025-09-19 エボニック オペレーションズ ゲーエムベーハー 低い残留モノマー含有量を有するアルキル(メタ)アクリレートのホモポリマーおよびコポリマーを製造する方法
JPWO2022209449A1 (cg-RX-API-DMAC7.html) * 2021-03-31 2022-10-06
JP7697840B2 (ja) * 2021-07-16 2025-06-24 エボニック オペレーションズ ゲーエムベーハー 潤滑剤添加剤組成物
EP4119640B1 (en) * 2021-07-16 2023-06-14 Evonik Operations GmbH Lubricant additive composition containing polyalkylmethacrylates
EP4658738A1 (en) * 2024-02-19 2025-12-10 Evonik Operations GmbH Low volatility comb polymer composition for engine oils
WO2025176603A1 (en) * 2024-02-19 2025-08-28 Evonik Operations Gmbh Low volatility comb polymer composition for engine oils

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