PROCESS FOR THE PREPARATION OF ISOBUTYLIDENE DIUREA
    152.
    发明申请
    PROCESS FOR THE PREPARATION OF ISOBUTYLIDENE DIUREA 有权
    制备异丁烯二胺的方法

    公开(公告)号:US20150183729A1

    公开(公告)日:2015-07-02

    申请号:US14415039

    申请日:2013-07-18

    CPC classification number: C07C273/1863 C05C9/00 C07C275/14 Y10T428/2982

    Abstract: The invention relates to a process comprising: reacting isobutyraldehyde with an aqueous solution of urea in the presence of a phase transfer catalyst to form isobutylidene diurea. Preferably, the phase transfer catalyst is a quaternary ammonium salt, more preferably benzyltriethylammonium chloride. Even more preferably, the process is performed in one pot.

    Abstract translation: 本发明涉及一种方法,其包括:在相转移催化剂存在下使异丁醛与尿素水溶液反应,形成异亚丁基二脲。 优选地,相转移催化剂是季铵盐,更优选苄基三乙基氯化铵。 甚至更优选地,该方法在一锅中进行。

    GAS PHASE POLYMERISATION OF ETHYLENE
    155.
    发明申请
    GAS PHASE POLYMERISATION OF ETHYLENE 审中-公开
    乙烯的气相聚合

    公开(公告)号:US20150099855A1

    公开(公告)日:2015-04-09

    申请号:US14403321

    申请日:2013-05-25

    Abstract: The present invention is directed to a process for the gas phase polymerisation of ethylene in the presence of a catalyst composition comprising a support material carrying a chromium compound and a magnesium containing compound represented by the formula R1MgX, wherein R1 is a (C1-C20) hydrocarbon group and X is a halogen atom wherein the molar ratio chromium to magnesium ranges between 10:1 and 1:1.

    Abstract translation: 本发明涉及一种用于在催化剂组合物存在下气相聚合乙烯的方法,所述催化剂组合物包含载体为铬化合物的载体材料和由式R1MgX表示的含镁化合物,其中R1为(C1-C20) 烃基,X是卤素原子,其中铬与镁的摩尔比在10:1和1:1之间。

    PROCESS FOR PERFORMING AN ENDOTHERMIC REACTION
    156.
    发明申请
    PROCESS FOR PERFORMING AN ENDOTHERMIC REACTION 审中-公开
    进行内热反应的方法

    公开(公告)号:US20150064078A1

    公开(公告)日:2015-03-05

    申请号:US14536093

    申请日:2014-11-07

    Abstract: Process for performing an endothermic reaction in a reactor containing catalyst tubes, the catalyst tubes containing a catalyst promoting the endothermic reaction, the process comprising the steps of, a. contacting the catalyst contained in the catalyst tubes with a feed flow passing through the channels from an entrance end to an exit end, b. contacting an outer surface of the catalyst tubes with a flow of a heating medium having an initial heating temperature and flowing co-currently with the flow of feeds to heat the surface by convection, c. mixing at least part of the heating medium after having been contacted with the catalyst tubes with a flow of fresh heating medium having a start temperature higher than the initial heating temperature to form the co-current heating medium having the initial heating temperature and reactor for carrying out the process.

    Abstract translation: 在含有催化剂管的反应器中进行吸热反应的方法,催化剂管含有促进吸热反应的催化剂,该方法包括以下步骤:a。 b)使催化剂管中包含的催化剂与从入口端到出口端通过通道的进料流接触。 使催化剂管的外表面与具有初始加热温度的加热介质的流动接触并与进料流同时流动,以通过对流加热表面,c。 在与催化剂管接触之后,将至少一部分加热介质与起始温度高于初始加热温度的新鲜加热介质流混合以形成具有初始加热温度的并流加热介质和用于承载的反应器 出来的过程。

    MULTINUCLEAR METALLOCENE CATALYST COMPOUND FOR OLEFIN POLYMERISATION AND COPOLYMERISATION AND METHOD FOR MAKING THEREOF

    公开(公告)号:US20140296455A1

    公开(公告)日:2014-10-02

    申请号:US14353936

    申请日:2012-10-29

    Abstract: The invention relates to a multinuclear metallocene catalyst compound according to Formula (1), wherein Y and Y′ are the same or different and independently selected from the group consisting of C1-20 linear, branched or cyclic hydrocarbyl groups, C1-30 aryl and substituted aryl groups; L and L′ are the same or different and are electron-donating groups independently selected from the elements of Group 15 of the Periodic Table; Q and Q′ are the same or different and independently selected from the group consisting of C1-30 alkylene groups; M″ is a metal selected from Groups 3, 4, 5, 6, 7, 8, 9 and 10 or from lanthanide series elements of the Periodic Table; Z is selected from the group consisting of hydrogen, a halogen and C1-20 hydrocarbyl, C1-20 alkoxy and C1-20 aryloxy groups; z is an integer from 1 to 4; n and n′ are independently 0 or 1, with 1≦(n+n′)≦2; B and B′ are the same or different and each is a metallocene compound, with B being represented by the compound of Formula (2) and B′ being represented by the compound of Formula (3), wherein Si is silicon; R and R′ are the same or different and independently a hydrogen or a C1-20 alkyl or aryl group; D, D′, E and E′ are independently ligand compounds having a cyclopentadienyl skeleton selected from cyclopentadienyl, substituted cyclopentadienyl, indenyl, substituted indenyl, fluorenyl and substituted fluorenyl; M and M′ are the same or different and each is independently selected from the group consisting of scandium, yttrium, lanthanoid series elements, titanium, zirconium, hafnium, vanadium, niobium, and tantalum; X and X′ are the same or different and each is selected from the group consisting of hydrogen, a halogen, a C1-20 hydrocarbyl group, C1-20 alkoxy group; and C1-20 aryloxy group; x and x′ are independently integers from 1 to 3. This invention also relates to a catalyst system comprising said multinuclear metallocene catalyst compound and a co-catalyst, to a method of making the multinuclear metallocene catalyst compound and to a process for the polymerisation and copolymerisation of an olefin in the presence of said catalyst system. The invention relates to a multinuclear metallocene catalyst compound according to Formula 1, wherein: Y and Y′ are the same or different and independently selected from the group consisting of C1-20 linear, branched or cyclic hydrocarbyl groups, C1-30 aryl and substituted aryl groups; L and U are the same or different and are electron-donating groups independently selected from the elements of Group 15 of the Periodic Table; Q and Q′ are the same or different and independently selected from the group consisting of Ci-3o alkylene groups; M″ is a metal selected from Groups 3, 4, 5, 6, 7, 8, 9 and 10 or from lanthanide series elements of the Periodic Table; Z is selected from the group consisting of hydrogen, a halogen and C1-20 hydrocarbyl, C1-20 alkoxy and C1-20 aryloxy groups; z is an integer from 1 to 4; n and n′ are independently 0 or 1, with 1

    CATALYST SYSTEM FOR THE PRODUCTION OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE
    160.
    发明申请
    CATALYST SYSTEM FOR THE PRODUCTION OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE 有权
    用于生产超高分子量聚乙烯的催化剂体系

    公开(公告)号:US20140296454A1

    公开(公告)日:2014-10-02

    申请号:US14364676

    申请日:2012-12-10

    Abstract: The invention relates to a catalyst system for the production of ultrahigh molecular weight polyethylene comprising I. a solid reaction product obtained by reaction of: (a) a hydrocarbon solution comprising (1) an organic oxygen containing magnesium compound or a halogen containing magnesium compound and (2) an organic oxygen containing titanium compound and (b) a mixture comprising a metal compound having the formula MeRnX3-n wherein X is a halogenide, Me is a metal of Group III of Mendeleev's Periodic System of Chemical Elements, R is a hydrocarbon radical containing 1-10 carbon atoms and 0≦n≦3 and a silicon compound of formula RmSiCl4.m wherein 0≦m≦2 and R is a hydrocarbon radical containing 1-10 carbon atoms wherein the molar ratio of metal from (b): titanium from (a) is lower than 1:1 II. an organo aluminium compound having the formula AIR3 in which R is a hydrocarbon radical containing 1-10 carbon atoms and III. an external electron donor selected from the group of 1,2-dialkoxyalkanes, 1,2-dialkoxyalkenes or an external polymeric electron donor.

    Abstract translation: 本发明涉及一种用于生产超高分子量聚乙烯的催化剂体系,其包括I.通过以下反应获得的固体反应产物:(a)烃溶液,其包含(1)含有机氧的镁化合物或含卤素的镁化合物和 (2)含有机氧的钛化合物和(b)包含具有式MeRnX3-n的金属化合物的混合物,其中X是卤化物,Me是Mendeleev的化学元素周期系统的III族金属,R是烃 含有1-10个碳原子的烷基和0< nlE; n≦̸ 3和式RmSiCl4m的硅化合物,其中0和nlE; m和nlE; 2和R是含有1-10个碳原子的烃基,其中来自(b) :(a)中的钛低于1:1 II。 具有式AIR3的有机铝化合物,其中R是含有1-10个碳原子的烃基和III。 选自1,2-二烷氧基烷烃,1,2-二氧杂环辛烯酮或外部聚合电子给体的外部电子给体。

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