- 专利标题： Polymer composition, lubricant additive, viscosity index improver, lubricant composition, method for producing polymer composition, and method for producing macromonomer
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申请号： US17941154申请日： 2022-09-09
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公开(公告)号： US12110469B2公开(公告)日： 2024-10-08
- 发明人: Hiroki Fukuta , Katsufumi Mochizuki , Fumiko Fujie , Takahiro Mukuda , Hiroshi Niino , Eiko Okamoto , Kazunari Matsumura , Hiroko Shinada , Hiroki Hamamoto
- 申请人： Mitsubishi Chemical Corporation
- 申请人地址： JP Tokyo
- 专利权人： Mitsubishi Chemical Corporation
- 当前专利权人： Mitsubishi Chemical Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Morgan, Lewis & Bockius LLP
- 优先权： JP 20055130 2020.03.25 JP 20055131 2020.03.25
- 主分类号： C10M145/14
- IPC分类号： C10M145/14 ; C10M169/04 ; C10M177/00
摘要：
A polymer composition, in which a differential distribution value in a differential molecular weight distribution curve of the polymer composition, as measured by gel permeation chromatography, satisfies Equation 1 and a maximum value of a normalized back-scattering intensity of a 35 wt % base oil solution of the polymer composition, where a size q of a scattering vector of small-angle X-ray scattering at 25° C. is in a range of 0.07 nm−1 or more and 2 nm−1 or less, is 40 cm−1 or more.
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