Process to produce polyalphaolefins
    1.
    发明授权
    Process to produce polyalphaolefins 有权
    生产聚α-烯烃的方法

    公开(公告)号:US08513478B2

    公开(公告)日:2013-08-20

    申请号:US11832287

    申请日:2007-08-01

    IPC分类号: C07C2/22

    摘要: Liquid poly-alpha-olefins having a KV100 of 2 to 6000 cSt, 20 weight percent dimer or less and a viscosity index of 60 or more are obtained by contacting in a reaction zone, in the presence of from 0 to 60 psi hydrogen, C3 to C20 alpha-olefin monomers with a non-coordinating anion activator, a single bridged meso-metallocene transition metal compound having less than about 35 wt % racemic isomer, and a co-activator. The molar ratio of activator to meso-metallocene is from 10:1 to 0.1:1, and the alpha-olefin monomers in the feed components are present in at least 20 wt % or more based upon the weight of the meso-metallocene, non-coordinating anion activator, co-activator, monomers, and solvent or diluent. The productivity of the process is at least 50,000 g of total product per gram of transition metal compound and no more than 5% monomer is converted from olefin to alkane.

    摘要翻译: 通过在0至60psi的氢气,C3的存在下在反应区中接触,获得KV100为2至6000cSt,20重量%的二聚物或更低的粘度指数为60或更大的液体聚α-烯烃, 具有非配位阴离子活化剂的C 20α-烯烃单体,具有小于约35重量%外消旋异构体的单桥连内消旋金属茂过渡金属化合物和共活化剂。 活化剂与内消旋金属茂的摩尔比为10:1至0.1:1,并且进料组分中的α-烯烃单体以基于内消旋金属茂的重量计至少为20重量%或更多, 配位阴离子活化剂,共活化剂,单体和溶剂或稀释剂。 该方法的生产率为每克过渡金属化合物至少50,000g总产物,并且不超过5%的单体由烯烃转化为烷烃。

    Preparation of alkylated diphenyl oxides
    7.
    发明授权
    Preparation of alkylated diphenyl oxides 失效
    烷基化二苯醚的制备

    公开(公告)号:US06407292B1

    公开(公告)日:2002-06-18

    申请号:US09474354

    申请日:1999-12-29

    IPC分类号: C07C4105

    CPC分类号: C07C43/30

    摘要: A continuous process for the manufacture of alkylated diphenyl compounds such as diphenyl ether and diphenyl sulfides by alkylating a diphenyl compound such as diphenyl ether with an olefinic alkylating agent by passing a continuous flow of the diphenyl compound and the olefin over a solid particulate catalyst which comprises a molecular sieve of the MCM-22 family. The process is flexible. By adjusting feed compositions, products of different compositions and wide range of properties are produced.

    摘要翻译: 通过使连续流动的二苯基化合物和烯烃在固体颗粒催化剂上使烷基化二苯基化合物如二苯醚和二苯基硫化物通过烯烃烷基化剂烷基化二苯基化合物的连续方法,所述固体颗粒催化剂包含 MCM-22家族的分子筛。 这个过程很灵活。 通过调整饲料组成,生产不同成分的产品和广泛的性能。

    Alkylated anisole lubricant basestock
    8.
    发明授权
    Alkylated anisole lubricant basestock 失效
    烷基化苯甲醚润滑剂基础油料

    公开(公告)号:US5750480A

    公开(公告)日:1998-05-12

    申请号:US619867

    申请日:1996-03-18

    CPC分类号: C10M105/18 C10M2207/04

    摘要: A process and composition is disclosed for a hydrolytically stable lubricant base oil exhibiting superior antiwear properties, dispersancy, thermal stability and oxidative stability. The base oil comprises a mixture of mono, di and tri alkylated anisole having the following structure: ##STR1## wherein R.sup.a, R.sup.b and R.sup.c are hydrogen with at least one of R.sup.a, R.sup.b and R.sup.c comprises a secondary alkyl radical containing 8 to 24 carbon atoms.

    摘要翻译: 公开了表现出优异的抗磨损性,分散性,热稳定性和氧化稳定性的水解稳定的润滑剂基础油的方法和组合物。 基油包含具有以下结构的单,二和三烷基化茴香醚的混合物:其中Ra,Rb和Rc是氢,Ra,Rb和Rc中的至少一个包括含有8-24个碳原子的仲烷基 原子

    Hydrocarbon distillate fuels containing novel additive
    9.
    发明授权
    Hydrocarbon distillate fuels containing novel additive 失效
    含有新添加剂的烃馏分燃料

    公开(公告)号:US5637784A

    公开(公告)日:1997-06-10

    申请号:US536724

    申请日:1995-09-28

    摘要: A hydrocarbon oligomer and a process for its production is disclosed that is useful as a pour point depressant and as a combination pour point depressant and viscosity index improver for mineral oil or synthetic oil. The oligomer is also useful in modifying wax crystal formation at low temperature when added to distillate fuels. The oligomer is a near linear copolymer of a mixture of ethylene and C.sub.3 -C.sub.28 1-alkenes, or only 1-alkenes, wherein a large proportion of the pendant alkyl groups of the recurring 1-alkene monomer units contain between 14 and 22 carbon atoms. The oligomer is produced by polymerization of mixed 1-alkenes with reduced chromium oxide catalyst on silica support.

    摘要翻译: 公开了一种烃低聚物及其生产方法,其用作矿物油或合成油的倾点下降剂和倾点下降剂和粘度指数改进剂的组合。 当加入到馏出燃料中时,低聚物也可用于在低温下修饰蜡晶形成。 低聚物是乙烯和C 3 -C 28 1-烯烃或仅仅1-烯烃的混合物的近似线性共聚物,其中重复的1-烯烃单体单元的大部分侧基烷基含有14至22个碳原子 。 低聚物通过在二氧化硅载体上与还原的氧化铬催化剂的混合的1-烯烃聚合来制备。

    Process for producing dialkylcarbonates
    10.
    发明授权
    Process for producing dialkylcarbonates 失效
    制备碳酸二烷基酯的方法

    公开(公告)号:US5498743A

    公开(公告)日:1996-03-12

    申请号:US325919

    申请日:1994-10-20

    IPC分类号: C07C68/06 C07C69/96

    CPC分类号: C07C68/065

    摘要: A process is provided for synthesis of dialkylcarbonate, e.g., dimethylcarbonate, by reacting an alcohol, e.g., methanol, with a cyclic carbonate, e.g., propylene carbonate, in the presence of a catalyst comprising an alkaline earth metal halide, e.g., magnesium iodide, and a solid support having a high surface area and controlled surface hydroxyl concentration.

    摘要翻译: 提供了一种通过使醇例如甲醇与环状碳酸酯例如碳酸亚丙酯在包含碱土金属卤化物如碘化镁的催化剂存在下反应来合成碳酸二烷基酯例如碳酸二甲酯的方法, 和具有高表面积和受控表面羟基浓度的固体支持物。