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    Method for preparing urea grease having low noise properties
    22.
    发明授权
    Method for preparing urea grease having low noise properties 有权
    制备低噪音性能的尿素油脂的方法

    公开(公告)号：US6136762A

    公开(公告)日：2000-10-24

    申请号：US514293

    申请日：2000-02-28

    申请人： Terasu Yoshinari ,  Yuji Onuki ,  Yoichi Suzuki ,  Hiroshi Kimura

    发明人： Terasu Yoshinari ,  Yuji Onuki ,  Yoichi Suzuki ,  Hiroshi Kimura

    IPC分类号： C10M121/04 ,  C07C273/18 ,  C07C275/40 ,  C08G18/28 ,  C10M115/08 ,  C10M119/24 ,  C10M177/00 ,  C10N40/02 ,  C10N50/10 ,  C10N70/00

    CPC分类号： C10M115/08 ,  C07C273/1827 ,  C08G18/2865 ,  C10M119/24 ,  C10M2215/102 ,  C10M2217/044 ,  C10M2217/045

    摘要： A method for preparing urea grease excellent in low noise properties comprises the step of adding a base oil in which an amine (or an isocyanate) is dissolved or dispersed, to a base oil in which an isocyanate (or an amine) is dissolved or dispersed, in the form of liquid drops having a diameter of not more than 300 .mu.m to react the isocyanate with the amine; or the step of directly contacting liquid drops comprising a base oil in which an isocyanate is dissolved or dispersed and having a diameter of not more than 300 .mu.m with liquid drops comprising a base oil in which an amine is dissolved or dispersed and having a diameter of not more than 300 .mu.m to react the isocyanate with the amine. The method permits the production of urea grease excellent in low noise properties at a low cost.

    摘要翻译： 制备低噪声特性优异的尿素油脂的方法包括将其中溶解或分散有胺（或异氰酸酯）的基础油加入到其中溶解或分散有异氰酸酯（或胺）的基础油中的步骤 以直径不大于300μm的液滴的形式使异氰酸酯与胺反应; 或者将包含其中溶解或分散有异氰酸酯的基础油和直径不大于300μm的液滴的液滴直接接触到包含其中溶解或分散有胺的基础油的液滴的步骤， 不大于300μm以使异氰酸酯与胺反应。 该方法允许以低成本生产低噪声特性优异的尿素油脂。

    Lubricating grease composition
    24.
    发明授权
    Lubricating grease composition 失效
    润滑脂组合物

    公开(公告)号：US6063743A

    公开(公告)日：2000-05-16

    申请号：US993896

    申请日：1992-12-18

    申请人： Edwin Seubert ,  Dieter Sohn

    发明人： Edwin Seubert ,  Dieter Sohn

    IPC分类号： C10M169/02 ,  C10M20060101 ,  C10M105/36 ,  C10M119/24 ,  C10M121/04 ,  C10M169/04 ,  C10N20/02 ,  C10N30/00 ,  C10N30/06 ,  C10N40/06 ,  C10N40/14 ,  C10N50/10 ,  C10M119/14 ,  C10M145/00

    CPC分类号： C10M169/02 ,  C10M2207/282 ,  C10M2207/2825 ,  C10M2207/284 ,  C10M2207/285 ,  C10M2207/2855 ,  C10M2207/34 ,  C10M2215/102 ,  C10M2217/042 ,  C10M2217/043

    摘要： A lubricating grease compound formed of a basic oil and a lower proportion of a thickening agent which is a polyurea (polycarbamide) compound as well as the usual additives, in which the base oil is an ester of an aromatic di-, tri-, or tetra-carboxylic acid with one or more C.sub.7 -C.sub.18 -alkanols and the thickening agent is the reaction product of a compound of the general formulaA(B)n (I)with an amine of the general formula H.sub.2 N--R (II), whereinA=CH.sub.4 -n,B=aromatic mono- or di-isocyanate residue,n=1-3, andR=an alkyl or an alkenyl residue with 8 to 22-C-atoms or an aryl residue with 6 to 10-C-atoms,and in which the mixture of the basic oil and the thickening agent has a consistency with a penetration of 220-385, 0.1 mm.

    摘要翻译： 由碱性油和较低比例的增稠剂（其是聚脲（聚氨酯））化合物以及通常的添加剂形成的润滑脂化合物，其中基油是芳族二 - ，三 - 或 四羧酸与一种或多种C 7 -C 18烷醇和增稠剂是通式A（B）n（I）的化合物与通式为H 2 N-R（II）的胺的反应产物，其中 A = CH 4-n，B =芳族单或二异氰酸酯残基，n = 1-3，R =具有8-22个碳原子的烷基或烯基残基或具有6至10个碳原子的芳基 原子，其中碱性油和增稠剂的混合物具有220-385,0.1mm的渗透性的稠度。