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    GREASE COMPOSITION
    1.
    发明申请
    GREASE COMPOSITION 有权

    公开(公告)号：US20220145207A1

    公开(公告)日：2022-05-12

    申请号：US17437155

    申请日：2020-02-27

    申请人： IDEMITSU KOSAN CO.,LTD.

    发明人： Yusuke NAKANISHI

    IPC分类号： C10M169/00 ,  C10M119/20 ,  C10M125/30

    摘要： The present invention addresses a problem of providing a grease composition for a speed reducer and a speed increaser, excellent in both leakage prevention performance and energy transfer efficiency. The grease composition for a speed reducer and a speed increaser contains a base oil (A), and nanofibers (B) having a thickness (d) of 1 to 500 nm, wherein the nanofibers (B) are one or more selected from cellulose nanofibers (B1) and modified cellulose nanofibers (B2).

    GREASE COMPOSITION FOR BEARING
    2.
    发明申请
    GREASE COMPOSITION FOR BEARING 审中-公开
    用于轴承的润滑脂组合物

    公开(公告)号：US20160002558A1

    公开(公告)日：2016-01-07

    申请号：US14769937

    申请日：2014-03-12

    申请人： IDEMITSU KOSAN CO., LTD.

    发明人： Kouji TAKANE ,  Yukitoshi FUJINAMI ,  Hiroki SEKIGUCHI ,  Yusuke NAKANISHI ,  Yoshiyuki SUETSUGU

    IPC分类号： C10M115/08

    CPC分类号： C10M115/08 ,  C10M169/02 ,  C10M2205/0285 ,  C10M2207/2805 ,  C10M2207/2845 ,  C10M2207/2855 ,  C10M2215/1026 ,  C10N2230/06 ,  C10N2230/08 ,  C10N2230/76 ,  C10N2240/02 ,  C10N2250/10

    摘要： A bearing grease composition contains a (A) thickener and a (B) base oil, in which the (A) thickener is a urea thickener represented by a formula (I) below, and, in observation of a transmission image in the bearing grease composition, a transmission-image-area ratio of an aggregation part having a transmission image area exceeding 40 μm2 in the urea thickener is 15% or less relative to a total observation area. R1NHCONHR2NHCONHR3  (I) In the formula, R1 and R3 each independently represent: an (a1) monovalent chain hydrocarbon group having 6 to 22 carbon atoms; an (a2) monovalent alicyclic hydrocarbon group having 6 to 12 carbon atoms; and the like, and R2 represents an (a4) divalent aromatic hydrocarbon group having 6 to 15 carbon atoms.

    摘要翻译： 轴承润滑脂组合物含有（A）增稠剂和（B）基础油，其中（A）增稠剂是由下式（I）表示的尿素增稠剂，并且在观察轴承润滑脂中的透射图像 在尿素增稠剂中透射图像面积超过40μm2的聚集部分的透射图像面积比相对于总观察面积为15％以下。 R1NHCONHR2NHCONHR3（Ⅰ）式中，R1，R3各自独立地表示：（a1）碳原子数为6〜22的一价链状烃基; 具有6〜12个碳原子的（a2）一价脂环族烃基; R2表示碳原子数6〜15的（a4）2价芳香族烃基。