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    Lubricating oil for bearing
    1.
    发明授权
    Lubricating oil for bearing 有权
    润滑油轴承

    公开(公告)号：US07517838B2

    公开(公告)日：2009-04-14

    申请号：US10524843

    申请日：2003-08-22

    Applicant: Yasuyuki Kawahara ,  Kouji Takahashi ,  Hirotaka Tomizawa

    Inventor： Yasuyuki Kawahara ,  Kouji Takahashi ,  Hirotaka Tomizawa

    IPC: C10M105/38 ,  C10M169/04

    CPC classification number: C10M169/04 ,  C10M2207/026 ,  C10M2207/144 ,  C10M2207/2835 ,  C10M2215/064 ,  C10M2215/223 ,  C10M2223/049 ,  C10N2240/02

    Abstract: Disclosed herein is a lubricating oil for bearings comprising(a) a diester represented by General Formula (1) wherein R1 and R2 are the same or different, and each represents a C3-C17 linear alkyl group; A represents a C2-C10 linear alkylene group or A represents a branched alkylene group consisting of a linear alkylene group, the linear alkylene group being the principal chain, and one or more alkyl groups (branches) bonded to the linear alkylene group, wherein the total number of carbon atoms of the linear alkylene group and the one or more alkyl groups is 3 to 10; with the proviso that when A is a branched alkylene group and has two or more alkyl groups, the two or more alkyl groups are not bonded to the same carbon atom; or a mixture of the diester with an additional base oil and (b) at least one member selected from the group consisting of phenol-based antioxidants and amine-based antioxidants, and optionally containing(c) at least one member selected from the group consisting of Phosphorus-based compounds and aliphatic linear monocarboxylic acids, and further optionally containing(d) at least one member selected from the group consisting of benzotriazole-based compounds and gallic acid-based compounds.

    Abstract translation: 本文公开了一种用于轴承的润滑油，其包含（a）由通式（1）表示的二酯，其中R 1和R 2相同或不同，并且各自表示C 3 -C 17直链烷基; A表示C2-C10直链亚烷基或A表示由直链亚烷基，直链亚烷基为主链和与该直链亚烷基结合的一个或多个烷基（支链）组成的支链亚烷基，其中， 直链亚烷基和一个或多个烷基的总碳原子数为3〜10; 条件是当A是支链亚烷基且具有两个或更多个烷基时，两个或更多个烷基不与相同的碳原子键合; 或二酯与另外的基础油的混合物和（b）至少一种选自苯酚类抗氧化剂和胺类抗氧化剂的成分，并且任选地含有（c）至少一种选自以下的成员： 的磷基化合物和脂肪族线性单羧酸，并且还任选地含有（d）至少一种选自苯并三唑类化合物和没食子酸类化合物的成分。

    Dicarboxylic diester, process for producing the same, and refrigerating machine lubricating oil comprising the ester
    2.
    发明授权
    Dicarboxylic diester, process for producing the same, and refrigerating machine lubricating oil comprising the ester 有权
    二羧酸二酯及其制造方法以及包含酯的制冷机润滑油

    公开(公告)号：US07282601B2

    公开(公告)日：2007-10-16

    申请号：US10952925

    申请日：2004-09-30

    Applicant: Yasuyuki Kawahara ,  Kouji Takahashi ,  Makiko Takii

    Inventor： Yasuyuki Kawahara ,  Kouji Takahashi ,  Makiko Takii

    IPC: C07C69/74 ,  C07C69/76

    CPC classification number: C07C69/75 ,  C07C2601/14 ,  C07C2601/16 ,  C10M105/36 ,  C10M129/72 ,  C10M171/008 ,  C10M2207/282 ,  C10M2207/2825 ,  C10M2207/34 ,  C10M2211/022 ,  C10M2211/06 ,  C10N2240/00 ,  C10N2240/22 ,  C10N2240/30 ,  C10N2240/50 ,  C10N2240/52 ,  C10N2240/54 ,  C10N2240/56 ,  C10N2240/58 ,  C10N2240/60 ,  C10N2240/66

    Abstract: A diester represented by the formula wherein A represents a cyclohexane ring, cyclohexene ring or benzene ring, X is H or methyl group, RX and RY are the same or different and each is C3-C18 branched-chain alkyl group, C1-C18 straight-chain alkyl group, C2-C18 straight-chain alkenyl or C3-C18 cycloalkyl, provided that when A is a benzene ring, RX and RY are different from each other and —COORX and —COORY are attached to two adjacent carbon atoms of the benzene ring, and having the following properties: 1) a total acid number of 0.05 mgKOH/g or less, 2) a sulfated ash content of 10 ppm or less, 3) a sulfur content of 20 ppm or less, 4) a phosphorus content of 20 ppm or less, 5) a peroxide value of 1.0 meq/kg or less, 6) a carbonyl value of 10 or less; 7) a volume resistivity of 1×1011 Ω·cm or more, 8) a hydroxyl value of 3 mgKOH/g or less, and 9) a water content of 100 ppm or less, a process for preparing the same and a refrigerator lubricating oil comprising the diester.

    Abstract translation: 由下式表示的二酯其中A表示环己烷环，环己烯环或苯环，X为H或甲基，R X和R Y相同或不同 并且各自为C 3 -C 18支链烷基，C 1 -C 18直链烷基，C 2 -C 18直链烯基或C 3 -C 18环烷基，条件是当A为苯环时，R X' SUP>和R Y'彼此不同，-COOR X和-COOR Y连接到苯环的两个相邻碳原子上 ，具有以下特性：1）总酸值为0.05mgKOH / g以下，2）硫酸灰分含量为10ppm以下，3）硫含量为20ppm以下，4）磷含量 20ppm以下，5）过氧化值为1.0meq / kg以下，6）羰基值为10以下; 7）体积电阻率为1×10 11Ω或更大，8）羟值为3mgKOH / g以下，9）水含量为100ppm以下，制备方法 和含有二酯的冰箱润滑油。

    Lubricating oil for bearing
    3.
    发明申请
    Lubricating oil for bearing 有权
    润滑油轴承

    公开(公告)号：US20060019840A1

    公开(公告)日：2006-01-26

    申请号：US10524843

    申请日：2003-08-22

    Applicant: Yasuyuki Kawahara ,  Kouji Takahashi ,  Hirotaka Tomizawa

    Inventor： Yasuyuki Kawahara ,  Kouji Takahashi ,  Hirotaka Tomizawa

    IPC: C10M105/38 ,  C10M169/04

    CPC classification number: C10M169/04 ,  C10M2207/026 ,  C10M2207/144 ,  C10M2207/2835 ,  C10M2215/064 ,  C10M2215/223 ,  C10M2223/049 ,  C10N2240/02

    Abstract: Disclosed herein is a lubricating oil for bearings comprising (a) a diester represented by General Formula (1) wherein R1 and R2 are the same or different, and each represents a C3-C17 linear alkyl group; A represents a C2-C10 linear alkylene group or A represents a branched alkylene group consisting of a linear alkylene group, the linear alkylene group being the principal chain, and one or more alkyl groups (branches) bonded to the linear alkylene group, wherein the total number of carbon atoms of the linear alkylene group and the one or more alkyl groups is 3 to 10; with the proviso that when A is a branched alkylene group and has two or more alkyl groups, the two or more alkyl groups are not bonded to the same carbon atom; or a mixture of the diester with an additional base oil and (b) at least one member selected from the group consisting of phenol-based antioxidants and amine-based antioxidants, and optionally containing (c) at least one member selected from the group consisting of phosphorus-based compounds and aliphatic linear monocarboxylic acids, and further optionally containing (d) at least one member selected from the group consisting of benzotriazole-based compounds and gallic acid-based compounds.

    Abstract translation: 本文公开了一种用于轴承的润滑油，其包含（a）由通式（1）表示的二酯，其中R 1和R 2各自相同或不同，并且各自表示 C 3 -C 17直链烷基; A表示C 2 -C 10直链亚烷基或A表示由直链亚烷基，直链亚烷基为主链的一个支链亚烷基，一个 或更多个与直链亚烷基键合的烷基（分支），其中直链亚烷基和一个或多个烷基的碳原子数为3〜10; 条件是当A是支链亚烷基且具有两个或更多个烷基时，两个或更多个烷基不与相同的碳原子键合; 或二酯与另外的基础油的混合物和（b）至少一种选自苯酚类抗氧化剂和胺类抗氧化剂的成分，并且任选地含有（c）至少一种选自以下的成员： 的磷系化合物和脂肪族线性一元羧酸，进一步任选含有（d）选自苯并三唑类化合物和没食子酸类化合物中的至少一种。

    Dicarboxylic diester, process for producing the same, and refrigerating machine lubricating oil comprising the ester
    6.
    发明授权
    Dicarboxylic diester, process for producing the same, and refrigerating machine lubricating oil comprising the ester 有权
    二羧酸二酯及其制造方法以及包含酯的制冷机润滑油

    公开(公告)号：US07271282B1

    公开(公告)日：2007-09-18

    申请号：US10019287

    申请日：2000-07-19

    Applicant: Yasuyuki Kawahara ,  Kouji Takahashi ,  Makiko Takii

    Inventor： Yasuyuki Kawahara ,  Kouji Takahashi ,  Makiko Takii

    IPC: C07C69/74 ,  C07C69/34 ,  C07C69/75

    CPC classification number: C07C69/75 ,  C07C2601/14 ,  C07C2601/16 ,  C10M105/36 ,  C10M129/72 ,  C10M171/008 ,  C10M2207/282 ,  C10M2207/2825 ,  C10M2207/34 ,  C10M2211/022 ,  C10M2211/06 ,  C10N2240/00 ,  C10N2240/22 ,  C10N2240/30 ,  C10N2240/50 ,  C10N2240/52 ,  C10N2240/54 ,  C10N2240/56 ,  C10N2240/58 ,  C10N2240/60 ,  C10N2240/66

    Abstract: A diester represented by the formula wherein A represents a cyclohexane ring, cyclohexene ring or benzene ring, X is H or methyl group, RX and RY are the same or different and each is C3-C18 branched-chain alkyl group, C1-C18 straight-chain alkyl group, C2-C18 straight-chain alkenyl or C3-C10 cycloalkyl, provided that when A is a benzene ring, RX and RY are different from each other and —COORX and —COORY are attached to two adjacent carbon atoms of the benzene ring, and having the following properties: 1) a total acid number of 0.05 mgKOH/g or less, 2) a sulfated ash content of 10 ppm or less, 3) a sulfur content of 20 ppm or less, 4) a phosphorus content of 20 ppm or less, 5) a peroxide value of 1.0 meq/kg or less, 6) a carbonyl value of 10 or less; 7) a volume resistivity of 1×1011Ω·cm or more, 8) a hydroxyl value of 3 mgKOH/g or less, and 9) a water content of 100 ppm or less, a process for preparing the same and a refrigerator lubricating oil comprising the diester.

    Abstract translation: 由下式表示的二酯其中A表示环己烷环，环己烯环或苯环，X为H或甲基，R X和R Y相同或不同 并且各自为C 3 -C 18支链烷基，C 1 -C 18直链烷基，C 2 -C 18直链烯基或C 3 -C 10环烷基，条件是当A为苯环时，R X' SUP>和R Y'彼此不同，-COOR X和-COOR Y连接到苯环的两个相邻碳原子上 ，具有以下特性：1）总酸值为0.05mgKOH / g以下，2）硫酸灰分含量为10ppm以下，3）硫含量为20ppm以下，4）磷含量 20ppm以下，5）过氧化值为1.0meq / kg以下，6）羰基值为10以下; 7）体积电阻率为1×10 11Ω或更大，8）羟值为3mgKOH / g以下，9）水含量为100ppm以下，制备方法 和含有二酯的冰箱润滑油。

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