Petroleum hydrocarbon compositions
    65.
    发明授权
    Petroleum hydrocarbon compositions 失效
    石油烃组合物

    公开(公告)号:US3761434A

    公开(公告)日:1973-09-25

    申请号:US3761434D

    申请日:1971-04-30

    Abstract: AN ADDITIVE HAVING DETERGENCY AND LUBRICITY PROPERTIES FOR INCORPORATION IN PETROLEUM HYDROCARBON AND PETROLEUM HYDROCARBON COMOSITIONS CONATINING SAID ADDITIVE. THE ADDITIVE IS THE CONDENSATION PRODUCT OF A POLYETHERPOLYESTER POLYOL CONTAINING FROM 2 TO ABOUT 12 HYDROXYL GROUPS AND A MONOCARBOXYLIC ACID WHEREIN ABOUT 85100% OF THE HYDROXYL GROUPS OF THE POLYOL ARE ESTERIFIED BY CONDENSATION WITH THE MONOCARBOXYLIC ACID. THE ADDITIVE IS GENERALLY INCORPORATED IN HYDROCARBON FUELS AND HYDROCARBON LUBRICATING OILS, BUT ITS GREATEST UTILITY IS IN HYDROCARBON LUBRICATING OILS. THE PREFERRED LUBRICATING OIL COMPOSITION IS A 2-CYCLE ENGINE OIL COMPROSING A MAJOR PROPORTION OF A HYDROCABON LUBRICATNG OIL AND A MINOR PROPORTION OF THE ADDITIVE OF THE INVENTION.

    Abstract translation: 具有去污力和润滑性能的添加剂,用于掺入含有所述添加剂的石油烃和石油烃组合物中。 添加剂是含有2至约12个羟基的聚醚多元醇多元醇和单羧酸的缩合产物,其中多元醇的约85-100%的羟基通过与一元羧酸缩合而酯化。 添加剂通常并入碳氢化合物燃料和烃类润滑油中,但其最大的用途是在烃类润滑油中。 优选的润滑油组合物是包含主要部分烃润滑油和本发明添加剂的一小部分的双循环发动机油。

    폴리에스테르 분산제를 포함하는 윤활 조성물
    70.
    发明公开
    폴리에스테르 분산제를 포함하는 윤활 조성물 有权
    包含聚酯分散剂的润滑组合物

    公开(公告)号:KR1020070084349A

    公开(公告)日:2007-08-24

    申请号:KR1020077011309

    申请日:2005-11-07

    Abstract: An automotive lubricant composition comprising a base fluid and an ashless polymeric dispersant is claimed. The ashless polymeric dispersant has a number average molecular weight of between 500 and 10,000 and comprises a polar tall group which itself comprises a polymeric backbone of 2 to 30 monomeric repeat units, each repeat unit comprising a hydrocarbon chain functionalised by the presence of at least one electronegative element or moiety, the tail group being linked to a polar head group which comprises a polar moiety selected from at least one of acid, ester, amide or alcohol moieties. The dispersant has good dispersancy properties, when used as a sole dispersant or in combination with other dispersants. It provides enhanced seal resistance and has good oxidative stability in automotive applications as compared to current commercial products. Furthermore the low temperature viscosity of the automotive lubricant composition with the designed dispersant is superior to that of a composition with current commercial dispersants and the designed dispersant does not react with ZDDP and reduce the antiwear capabilities of ZDDP.

    Abstract translation: 要求保护包含基础流体和无灰分子聚合物分散剂的汽车润滑剂组合物。 无灰分散聚合物分散剂的数均分子量为500至10,000,并且包含极性高的基团,其本身包含2至30个单体重复单元的聚合物主链,每个重复单元包含通过存在至少一个 电负性元件或部分,尾基团连接到极性头基团,其包含选自酸,酯,酰胺或醇部分中的至少一个的极性部分。 当用作单独的分散剂或与其它分散剂组合时,分散剂具有良好的分散性。 与目前的商业产品相比,它在汽车应用中提供了更强的密封性,并且具有良好的氧化稳定性。 此外,具有设计分散剂的汽车润滑剂组合物的低温粘度优于当前商业分散剂的组合物的低温粘度,并且设计的分散剂不与ZDDP反应并降低ZDDP的抗磨性能。

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