Supported catalyst for the preparation of monocarboxylic anhydrides
    2.
    发明授权
    Supported catalyst for the preparation of monocarboxylic anhydrides 失效
    用于制备单羧酸酐的负载型催化剂

    公开(公告)号:US4965234A

    公开(公告)日:1990-10-23

    申请号:US319138

    申请日:1989-03-03

    摘要: In a supported catalyst for the preparation of monocarboxylic anhydrides by carbonylation of the appropriate esters or ethers, where, in the supported catalyst, an organosilicon compound is bonded, as a polyfunctional coupling agent, on the one hand to a support material and on the other hand to a noble-metal compound from group VIII of the Periodic Table of the Elements, the coupling agent is a chelate-forming organosilicon compound of the general formula ##STR1## where X=Cl, Br or --OR.sup.2 ;Y=--NR.sub.2.sup.4, a nitrogen-containing aryl radical, --PR.sub.2.sup.4, AsR.sub.2.sup.4, --SR.sup.4 or --SH;Z=zero, arylene or phenylene (optionally ortho-, meta- or para-substituted),R.sup.1 =C.sub.1 to C.sub.5 -alkyl;R.sup.2 =C.sub.1 to C.sub.5 -alkyl or --C.sub.6 H.sub.5 ;R.sup.3 =--H or C.sub.1 to C.sub.3 -alkyl;R.sup.4 =C.sub.1 to C.sub.6 -alkyl, C.sub.5 or C.sub.6 -cycloalkyl or --C.sub.6 H.sub.5 or --CH.sub.2 C.sub.6 H.sub.5, which are optionally substituted by halogen, methoxy, ethoxy or C.sub.1 to C.sub.3 -alkyl groups;n=0 or 1 or 2;m=2 to 6, preferably 2 to 4.

    摘要翻译: 在通过合适的酯或醚的羰基化制备单羧酸酐的负载型催化剂中,其中在负载型催化剂中有机硅化合物作为多官能偶联剂一方面结合到载体材料上,另一方面 由元素周期表第Ⅷ族赋予贵金属化合物,偶联剂是通式为(a)或(IMA)(b)的螯合形成有机硅化合物,其中X = Cl, Br或-OR2; Y = -NR24,含氮芳基,-PR24,AsR24,-SR4或-SH; Z =零,亚芳基或亚苯基(任选邻 - ,间 - 或对 - 取代),R1 = C1-C5-烷基; R2 = C1-C5-烷基或-C6H5; R3 = -H或C1至C3-烷基; R4 = C1至C6-烷基,C5或C6-环烷基或-C6H5或-CH2C6H5,其任选被卤素,甲氧基,乙氧基或C1至C3-烷基取代; n = 0或1或2; m = 2〜6,优选为2〜4。

    Process for the production of H.sub.2 O.sub.2 from the elements
    6.
    发明授权
    Process for the production of H.sub.2 O.sub.2 from the elements 失效
    用于从元素生产H 2 O 2

    公开(公告)号:US5505921A

    公开(公告)日:1996-04-09

    申请号:US353253

    申请日:1994-12-02

    CPC分类号: B01J23/52 C01B15/029

    摘要: The present invention concerns a process for the production of hydrogen peroxide by reacting a gas mixture which contains hydrogen and oxygen in an aqueous reaction medium containing less than 2% by volume liquid organic components and in the presence of a metallic catalyst which is characterized in that a palladium/gold alloy with 5 to 95 atom percent gold or a palladium/iridium or palladium/rhodium bimetal with 1 to 15 atom percent iridium or rhodium is used as the catalyst.

    摘要翻译: PCT No.PCT / EP92 / 00435 Sec。 371日期:1993年11月17日 102(e)1993年11月17日授权PCT 1993年12月9日PCT。本发明涉及通过使含有氢和氧的气体混合物在含有小于2% 体积的液体有机组分,并且在金属催化剂存在下,其特征在于具有5至95原子%金的钯/金合金或具有1至15原子%的铱或铑的钯/铱或钯/铑双金属是 用作催化剂。

    Process for the preparation of monocarboxylic anhydrides
    7.
    发明授权
    Process for the preparation of monocarboxylic anhydrides 失效
    制备单羧酸酐的方法

    公开(公告)号:US4959498A

    公开(公告)日:1990-09-25

    申请号:US326607

    申请日:1989-03-17

    CPC分类号: C07C51/56

    摘要: The process for the preparation of monocarboxylic anhydrides of the general formula (RCO).sub.2 O is carried out by reacting a carboxylic ester or a dialkyl ether of the general formula RCOOR or ROR, in which R in each case denotes the same alkyl radical having 1 to 4 carbon atoms, with carbon monoxide in the gas phase in the presence of a supported catalyst. The reaction takes place by means of bromine or iodine or compounds thereof as reaction promoter. The support material in the catalyst supports a noble metal chelate compound which is formed by a noble metal compound from group VIII of the periodic table and a chelating agent containing organonitrogen, organophosphorus, organoarsenic, organosulfur or mercapto groups and substituted in its basic structure with alkyl, aryl or aralkyl groups. The reaction is carried out at temperatures from 130.degree. to 400.degree. C. and pressures from 1 to 150 bar.

    摘要翻译: 制备通式(RCO)2 O的单羧酸酐的方法通过使通式RCOOR或ROR的羧酸酯或二烷基醚反应来进行,其中R在每种情况下表示相同的具有1〜 4个碳原子,在负载催化剂存在下,气相中的一氧化碳。 反应通过溴或碘或其化合物作为反应促进剂进行。 催化剂中的载体材料是由元素周期表第Ⅷ族的贵金属化合物和含有机氮,有机磷,有机砷,有机硫或巯基的螯合剂形成的贵金属螯合物,其基本结构与烷基取代 ,芳基或芳烷基。 该反应在130℃至400℃的温度和1至150巴的压力下进行。

    Process for the preparation of monocarboxylic anhydrides
    8.
    发明授权
    Process for the preparation of monocarboxylic anhydrides 失效
    制备单羧酸酐的方法

    公开(公告)号:US4952727A

    公开(公告)日:1990-08-28

    申请号:US318679

    申请日:1989-05-03

    摘要: In the process for the preparation of monocarboxylic anhydrides of the general formula (RCO).sub.2 O by reacting a carboxylic acid ester of dialkyl ether of the general formula RCOOR or ROR, where R in each case denotes the same alkyl radical having 1 to 4 carbon atoms, with carbon monoxide in the gas phase in the presence of iodine or bromine or compounds thereof as reaction promoter, and in the presence of a supported catalyst, at temperatures of from 130.degree. to 400.degree. C. and pressures of from 1 to 150 bar, where, in the supported catalyst, an organosilicon compound is bonded, as a polyfunctional coupling agent, on the one hand to a support material and on the other hand to a noble-metal compound from group VIII of the Periodic Table, a chelate-forming organosilicon compound of the general formula ##STR1## is employed as the polyfunctional coupling agent, where X=Cl, Br or --OR.sup.2 ;Y=-NR.sub.2.sup.4, a nitrogen-containing aryl radical, --PR.sub.2.sup.4, AsR.sub.2.sup.4, --SR.sup.4 or --SH;Z=zero, arylene or phenylene (optionally ortho-, meta-or para-substituted),R.sup.1 =C.sub.1 to C.sub.5 -alkyl;R.sup.2 =C.sub.1 to C.sub.5 -alkyl or --C.sub.6 H.sub.5 ;R.sup.3 =--H or C.sub.1 to C.sub.3 -alkyl;R.sup.4 =C.sub.1 to C.sub.5 -alkyl, C.sub.5 or C.sub.6 -cycloalkyl or --C.sub.6 H.sub.5 or --CH.sub.2 C.sub.6 H.sub.5, which are optionally substutited by halogen, methoxy, ethoxy or C.sub.1 to C.sub.3 -alkyl groups;n=0 or 1 or 2;m=2 to 6, preferably 2 to 4.

    摘要翻译: 通过使通式RCOOR或ROR的二烷基醚的羧酸酯反应制备通式(RCO)2 O的一元羧酸酐的方法,其中每种情况下的R表示相同的具有1至4个碳原子的烷基 ,在碘或溴的存在下的气相中的一氧化碳或其化合物作为反应促进剂,并且在负载催化剂存在下,在130-400℃的温度和1-150巴的压力下 其中,在载体催化剂中,有机硅化合物作为多官能偶联剂一方面结合到载体材料上,另一方面与元素周期表第VIII族的贵金属化合物键合, 使用通式为“IMAGE”的有机硅化合物作为多官能偶联剂,其中X = Cl,Br或-OR2; Y = -NR24,含氮芳基,-PR24,AsR24,-SR4或-SH; Z =零,亚芳基或亚苯基(任选是邻位,间位或对位取代的),R1 = C1至C5-烷基; R2 = C1-C5-烷基或-C6H5; R3 = -H或C1-C3-烷基; R4 = C1至C5-烷基,C5或C6-环烷基或-C6H5或-CH2C6H5,其任选地被卤素,甲氧基,乙氧基或C1至C3-烷基取代; n = 0或1或2; m = 2〜6,优选为2〜4。

    Carrier-supported catalyst and process for making mono-carboxylic
anhydrides
    9.
    发明授权
    Carrier-supported catalyst and process for making mono-carboxylic anhydrides 失效
    载体催化剂和制备单羧酸酐的方法

    公开(公告)号:US4776987A

    公开(公告)日:1988-10-11

    申请号:US839725

    申请日:1986-03-14

    摘要: Monocarboxylic anhydrides of the general formula (RCO).sub.2 O are made by reacting a carboxylic acid ester or dialkylether of the general formulae RCOOR and ROR, respectively, in which R stands for one and the same alkyl radical having from 1-4 carbon atoms, with carbon monoxide in gas phase, in the presence of iodine or bromine or their compounds as a reaction promoter and also in the presence of a carrier-supported catalyst containing noble metal compounds of group VIII of the Periodic System, at temperatures of 130.degree.-400.degree. C. and under pressures of 1-150 bars. To this end, a novel carrier-supported catalyst is used in which the carrier material has a noble metal/chelate-compound formed of the noble metal compound and a chelator containing organonitrogen, organophosphorus, organoarsenic or organosulfur groups applied to it.

    摘要翻译: 通式(RCO)2 O的单羧酸酐分别通过使通式为RCOOR和ROR的羧酸酯或二烷基醚分别与其中R代表同一个具有1-4个碳原子的烷基,与 一氧化碳在气相中,在碘或溴或其化合物作为反应促进剂的存在下,以及在含有元素周期表第VIII族贵金属化合物的载体负载催化剂存在下,在130-400℃ 在-150巴的压力下。 为此,使用载体材料具有由贵金属化合物形成的贵金属/螯合物化合物和含有有机氮,有机磷,有机砷或有机硫基团的螯合剂的载体载体催化剂。

    Process for the production of ethylene co-polymers
    10.
    发明授权
    Process for the production of ethylene co-polymers 失效
    制备乙烯共聚物的方法

    公开(公告)号:US5973087A

    公开(公告)日:1999-10-26

    申请号:US793719

    申请日:1997-03-03

    CPC分类号: C08F210/02 C08F10/00

    摘要: Disclosed is a catalyst system for the production of ethylene co-polymers by co-polymerisation of ethylene with further polymerisable monomers in the presence of a peroxide catalyst. The catalyst system contains components (A) and (B), component (A) being at least one organo-aluminium compound of the general formula AlR.sub.3, in which R is an alkyl, alkenyl, aryl, aralkyl or cycloalkyl radical, and component (B) is at least one organic peroxide.

    摘要翻译: PCT No.PCT / EP95 / 03470 371日期1997年3月3日 102(e)1997年3月3日PCT PCT 1995年9月4日PCT公布。 公开号WO96 / 07679 日期1996年3月14日公开是在过氧化物催化剂存在下通过乙烯与其它可聚合单体的共聚合生产乙烯共聚物的催化剂体系。 催化剂体系含有组分(A)和(B),组分(A)是至少一种通式AlR 3的有机铝化合物,其中R是烷基,烯基,芳基,芳烷基或环烷基,和组分 B)是至少一种有机过氧化物。