Compressor oils having improved oxidation resistance
    12.
    发明授权
    Compressor oils having improved oxidation resistance 有权
    具有改善抗氧化性的压缩机油

    公开(公告)号:US08455406B2

    公开(公告)日:2013-06-04

    申请号:US12914896

    申请日:2010-10-28

    申请人: Ravindra Shah

    发明人: Ravindra Shah

    IPC分类号: C10M169/04

    摘要: A compressor lubricant composition providing energy savings and exhibiting excellent oxidation stability is provided, as well as a process for preparation of the lubricant composition. The composition comprises: (i) from 68 to 99.999 wt % of an isomerized base oil or blend of isomerized base oils; (ii) 0.001 through 20 wt % of a blend of ashless additives, the ashless additives having a viscosity range at 40° C. of from 50 mm2/s to 60 mm2/s, a density at 20° C. of from 0.95 through 1.05 g/cm3, a flash point of greater than 100° C. (COC), solubility in mineral oil of greater than 5 wt %, sulfur content of from 4.8 wt % through 6.0 wt %, and phosphorus content of from 2.9 through 3.6 wt %; (iii) less than 1.0 wt % of a dithiocarbamate, wherein the Conradson carbon residue is less than or equal to 3.00. The dithiocarbamate is added to the base oil blend as a top treatment.

    摘要翻译: 提供了提供节能并且表现出优异的氧化稳定性的压缩机润滑剂组合物,以及润滑剂组合物的制备方法。 组合物包含:(i)68至99.999重量%的异构化基础油或异构化基础油的共混物; (ii)0.001至20重量%的无灰添加剂的混合物,40℃下的粘度范围为50mm 2 / s至60mm 2 / s的无灰添加剂,20℃下的密度为0.95至 1.05g / cm3,闪点大于100℃(COC),在矿物油中的溶解度大于5wt%,硫含量为4.8wt%至6.0wt%,磷含量为2.9-3.6 重量% (iii)小于1.0wt%的二硫代氨基甲酸盐,其中康氏子碳残留小于或等于3.00。 将二硫代氨基甲酸盐作为顶级处理加入到基础油混合物中。

    PROCESS TO PREPARE A HEAT TRANSFER OIL
    14.
    发明申请
    PROCESS TO PREPARE A HEAT TRANSFER OIL 有权
    制备热转移油的方法

    公开(公告)号:US20090278077A1

    公开(公告)日:2009-11-12

    申请号:US12504556

    申请日:2009-07-16

    IPC分类号: C09K5/00

    摘要: A process to prepare a heat transfer oil, comprising: a. dewaxing a substantially paraffinic wax feed by hydroisomerization dewaxing using a shape selective intermediate pore size molecular sieve under hydroisomerization conditions including a defined hydrogen to feed ratio, whereby a lubricating base oil is produced, b. selecting one or more fractions of the lubricating base oil having: i. a low pour point, ii. greater than 10 weight percent and less than 70 weight percent total molecules with cycloparaffinic functionality, wherein the one or more fractions have at least 31.2 wt % 1-unsaturations by FIMS, and iii. a ratio of weight percent molecules with monocycloparaffinic functionality to weight percent molecules with multicycloparaffinic functionality greater than 15; and c. blending the one or more fractions of the lubricating base oil with less than 0.2 wt % antifoam agent to prepare the heat transfer oil of a defined ISO viscosity grade.

    摘要翻译: 一种制备传热油的方法,包括:a。 b。在加氢异构化条件下,使用形状选择性中孔分子筛,通过加氢异构化脱蜡来脱蜡基本上是链烷烃的蜡进料,其中包括定义的氢与进料比,由此产生润滑基础油。 选择润滑油基础油中的一种或多种级分,其具有:i。 低倾点,ii。 大于10重量%且小于70重量%的具有环烷烃官能团的总分子,其中所述一个或多个部分具有至少31.2重量%的通过FIMS的1-不饱和度,和iii。 重量百分比分子与单环烷属官能度与多环烷烃官能度大于15的重量百分比的比率; 和c。 将润滑基础油的一个或多个部分与少于0.2重量%的消泡剂混合以制备具有规定的ISO粘度等级的传热油。

    Compressor Lubricant Compositions and Preparation Thereof
    15.
    发明申请
    Compressor Lubricant Compositions and Preparation Thereof 审中-公开
    压缩机润滑油组合物及其制备方法

    公开(公告)号:US20090181871A1

    公开(公告)日:2009-07-16

    申请号:US12133142

    申请日:2008-06-04

    IPC分类号: C10M129/26 C10M169/04

    摘要: A compressor lubricant composition providing energy savings and exhibiting excellent oxidation stability is provided. The composition comprises (i) 80 to 99.999 weight percent of an isomerized base oil; and (ii) 0.001-20 weight percent of at least an additive selected from an additive package, oxidation inhibitors, pour point depressants, metal deactivators, metal passivators, anti-foaming agents, friction modifiers, anti-wear agents, and mixtures thereof; wherein the isomerized base oil has consecutive numbers of carbon atoms, less than 0.05 wt. % aromatics, a ratio of molecules with monocycloparaffinic functionality to molecules with multicyloparaffinic functionality greater than 2. In one embodiment, compressors employing the lubricant composition with isomerized base oil consumes at least 1% less power than compressors employing the lubricant compositions of the prior art.

    摘要翻译: 提供了提供节能并且表现出优异的氧化稳定性的压缩机润滑剂组合物。 组合物包含(i)80至99.999重量%的异构化基础油; 和(ii)0.001-20重量%的选自添加剂包,氧化抑制剂,倾点下降剂,金属钝化剂,金属钝化剂,消泡剂,摩擦改性剂,抗磨剂及其混合物的至少一种添加剂; 其中异构化的基础油具有连续数目的碳原子,小于0.05wt。 %的芳族化合物,具有单环烷烃官能团的分子与具有多环烷烃官能团的分子的比例大于2.在一个实施方案中,使用具有异构化基础油的润滑剂组合物的压缩机比采用现有技术的润滑剂组合物的压缩机消耗的功率至少1%以上。

    Gear Oil Compositions, Methods of Making and Using Thereof
    16.
    发明申请
    Gear Oil Compositions, Methods of Making and Using Thereof 审中-公开
    齿轮油组合物,制造和使用方法

    公开(公告)号:US20090062163A1

    公开(公告)日:2009-03-05

    申请号:US12132807

    申请日:2008-06-04

    IPC分类号: C10M169/04

    摘要: A gear oil composition is provided. The composition comprises an isomerized base oil having consecutive numbers of carbon atoms, less than 0.05 wt. % aromatics, a viscosity index between 150 and 170, Oxidator BN of 15 to 50 hours; and 0.001 to 30 wt % at least an additive selected from traction reducers, dispersants, viscosity modifiers, pour point depressants, antifoaming agents, antioxidants, rust inhibitors, metal passivators, extreme pressure agents, friction modifiers, and mixtures thereof. In one embodiment, composition displays a pressure viscosity coefficient of greater than 9.5 GPa−1 at 140° C. and a Timken OK load per D2782 (E2006) of at least 50 lbs.

    摘要翻译: 提供齿轮油组合物。 该组合物包含具有连续数目的碳原子的异构化基础油,小于0.05wt。 %芳族化合物,粘度指数在150至170之间,氧化剂BN为15至50小时; 和至少一种选自牵引降低剂,分散剂,粘度调节剂,倾点下降剂,消泡剂,抗氧化剂,防锈剂,金属钝化剂,极压剂,摩擦改进剂及其混合物的添加剂至少为0.001至30重量%。 在一个实施方案中,组合物在140℃下显示大于9.5GPa-1的压力粘度系数,并且每个D2782(E2006)的Timken OK载荷至少为50磅。

    Process to prepare a heat transfer oil
    20.
    发明授权
    Process to prepare a heat transfer oil 有权
    制备传热油的工艺

    公开(公告)号:US07972497B2

    公开(公告)日:2011-07-05

    申请号:US12504556

    申请日:2009-07-16

    IPC分类号: C10G45/00 C10M101/00

    摘要: A process to prepare a heat transfer oil, comprising: a. dewaxing a substantially paraffinic wax feed by hydroisomerization dewaxing using a shape selective intermediate pore size molecular sieve under hydroisomerization conditions including a defined hydrogen to feed ratio, whereby a lubricating base oil is produced, b. selecting one or more fractions of the lubricating base oil having: i. a low pour point, ii. greater than 10 weight percent and less than 70 weight percent total molecules with cycloparaffinic functionality, wherein the one or more fractions have at least 31.2 wt % 1-unsaturations by FIMS, and iii. a ratio of weight percent molecules with monocycloparaffinic functionality to weight percent molecules with multicycloparaffinic functionality greater than 15; and c. blending the one or more fractions of the lubricating base oil with less than 0.2 wt % antifoam agent to prepare the heat transfer oil of a defined ISO viscosity grade.

    摘要翻译: 一种制备传热油的方法,包括:a。 b。在加氢异构化条件下,使用形状选择性中孔分子筛,通过加氢异构化脱蜡来脱蜡基本上是链烷烃的蜡进料,其中包括定义的氢与进料比,由此产生润滑基础油。 选择润滑油基础油中的一种或多种级分,其具有:i。 低倾点,ii。 大于10重量%且小于70重量%的具有环烷烃官能团的总分子,其中所述一个或多个部分具有至少31.2重量%的通过FIMS的1-不饱和度,和iii。 重量百分比分子与单环烷属官能度与多环烷烃官能度大于15的重量百分比的比率; 和c。 将润滑基础油的一个或多个部分与少于0.2重量%的消泡剂混合以制备具有规定的ISO粘度等级的传热油。