Preparation of alkoxycarboxylic acid esters
    11.
    发明授权
    Preparation of alkoxycarboxylic acid esters 失效
    烷氧基羧酸酯的制备

    公开(公告)号:US5453534A

    公开(公告)日:1995-09-26

    申请号:US266142

    申请日:1994-06-27

    申请人: Karsten Eller

    发明人: Karsten Eller

    CPC分类号: C07C67/31

    摘要: A process for the preparation of alkoxycarboxylic acid esters of the general formula I ##STR1## in which Y denotes CR.sup.4 R.sup.5 or CR.sup.4 R.sup.5 -CR.sup.6 R.sup.7,R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 denote C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.20 aralkyl, and C.sub.7 -C.sub.20 alkylaryl andR.sup.2, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 can additionally denote hydrogen, and n is 0 or 1,by the reaction of hydroxycarboxylic acid esters of the general formula II ##STR2## in which R.sup.2, R.sup.3, R.sup.8, Y, and n have the aforementioned meanings, with alcohols of the general formula IIIR.sub.1 --OH (III),in which R.sup.1 has the aforementioned meanings, in the presence of heterogeneous catalysts at temperatures ranging from 100.degree. to 400.degree. C. and pressures ranging from 0.01 to 150 bar, wherein the heterogeneous catalysts used are zeolites and/or hydrothermally prepared phosphates.

    摘要翻译: 其中Y表示CR4R5或CR4R5-CR6R7,R1,R2,R3,R4,R5,R6,R7,R8表示通式I的(I)的烷氧基​​羧酸酯的方法表示C 1 -C 20烷基, C 3 -C 8环烷基,芳基,C 7 -C 20芳烷基和C 7 -C 20烷基芳基,R 2,R 4,R 5,R 6,R 7,R 8可另外表示氢,n为0或1,通过通式II的羟基羧酸酯 在其中R 2,R 3,R 8,Y和n具有上述含义的式(II)中,R 1具有上述含义的通式III的R 1 -OH(III)的醇, 催化剂的温度范围为100-400℃,压力为0.01-150巴,其中所用的非均相催化剂是沸石和/或水热制备的磷酸盐。

    Method for producing halogen-free reactive polyisobutene
    12.
    发明授权
    Method for producing halogen-free reactive polyisobutene 失效
    生产无卤素的反应性聚异丁烯的方法

    公开(公告)号:US06441110B1

    公开(公告)日:2002-08-27

    申请号:US09367194

    申请日:1999-08-06

    IPC分类号: C08F424

    摘要: A process for preparing halogen-free, reactive polyisobutene having a terminal double bond content of more than 50 mol % and an average molecular weight Mn of 280-10000 dalton by the cationic polymerization in the liquid phase of isobutene or hydrocarbon mixtures comprising isobutene comprises polymerizing at from −30° C. to +40° C. in the presence of a heterogeneous polymerisation catalyst comprising one or more oxides of the elements of transition groups V and VI of the Periodic Table of the Elements or in the presence of a heterogeneous polymerization catalyst comprising one or more oxidic compounds of one or more elements of transition groups V and VI of the Periodic Table of the Elements supported on a non-zeolitic oxidic support material which is not an oxygen-containing zirconium compound, the catalyst not containing a technically effective amount of halogen.

    摘要翻译: 通过在异丁烯或包含异丁烯的烃混合物的液相中的阳离子聚合制备末端双键含量大于50mol%,平均分子量Mn为280-10000dalton的无卤活性聚异丁烯的方法包括聚合 在-30℃至+ 40℃下,在包含元素周期表的过渡基团V和VI的元素的一种或多种氧化物的非均相聚合催化剂的存在下,或在非均相聚合 催化剂包含负载在不是含氧锆化合物的非沸石氧化载体材料上的元素周期表的一个或多个过渡基团V和VI元素的一种或多种氧化化合物,该催化剂不含技术上 有效量的卤素。

    Catalyst and method for producing polytetrahydrofuran
    13.
    发明授权
    Catalyst and method for producing polytetrahydrofuran 失效
    催化剂和生产聚四氢呋喃的方法

    公开(公告)号:US06274700B1

    公开(公告)日:2001-08-14

    申请号:US09555872

    申请日:2000-06-08

    IPC分类号: C08G5968

    CPC分类号: C08G65/2657 C08G65/20

    摘要: In a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters thereof by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer over acid-activated montmorillonite catalysts, the montmorillonite catalyst after acid activation has a ratio of montmorillonite structure to the sum of muscovite and kaolin structures, determined from the intensities of the reflections at 2&thgr;=5.5° for montmorillonite, 2&thgr;=9.0° for muscovite and 2&thgr;=12.5° for kaolin measured in the X-ray powder pattern, of at least 5:1.

    摘要翻译: 在通过在酸活化蒙脱石催化剂上存在至少一种环糊精和/或共聚单体的情况下通过四氢呋喃聚合制备聚四氢呋喃,聚四氢呋喃共聚物或二酯或其单酯的方法中,酸活化后的蒙脱石催化剂具有蒙脱石结构与 根据X射线粉末图案测定的蒙脱石的2θ= 5.5°的反射强度,白云母的2θ= 9.0°,高岭土的2θ= 12.5°,确定白云母和高岭土结构的总和为5: 1。

    Method for decoloring tetrahydrofuran polymers or copolymers
    14.
    发明授权
    Method for decoloring tetrahydrofuran polymers or copolymers 失效
    四氢呋喃聚合物或共聚物脱色方法

    公开(公告)号:US06252039B1

    公开(公告)日:2001-06-26

    申请号:US09402895

    申请日:1999-10-13

    IPC分类号: C08F600

    CPC分类号: C08G65/20 C08G65/30

    摘要: A process for decolorizing polymers or copolymers which are obtained by cationic polymerization of tetrahydrofuran or of tetrahydrofuran and alkylene oxide, in the presence or absence of a telogen, comprises a) first, if desired, removing the low-boiling components by vacuum distillation or extraction and b) heating the remaining polymer or copolymer in the presence of at least one auxiliary selected from the group consisting of solid oxides and/or sheet silicates to from 20 to 150° C.

    摘要翻译: 在存在或不存在季铵盐时,通过四氢呋喃或四氢呋喃和环氧烷的阳离子聚合获得的聚合物或共聚物的脱色方法包括:a)如果需要,首先通过真空蒸馏或萃取除去低沸点组分 在选自固体氧化物和/或片状硅酸盐的至少一种辅助剂存在下将剩余的聚合物或共聚物加热至20-150℃。

    Method for producing polytetrahydrofuran
    15.
    发明授权
    Method for producing polytetrahydrofuran 失效
    聚四氢呋喃的制备方法

    公开(公告)号:US06124368A

    公开(公告)日:2000-09-26

    申请号:US445700

    申请日:1999-12-13

    摘要: The invention relates to a method for producing polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers by polymerization of tetrahydrofuran in the presence of at least one telogene and/or comonomer on a sulfate-containing heterogeneous supported catalyst. A sulfate-containing heterogeneous supported catalyst is used containing at least one metal sulfate, metal hydrogen sulfate, metal oxide sulfate or mixtures thereof.

    摘要翻译: PCT No.PCT / EP98 / 05319 Sec。 371 1999年12月13日第 102(e)日期1999年12月13日PCT提交1998年6月10日PCT公布。 第WO98 / 58982号公报 日本1998年12月30日本发明涉及通过在含硫酸盐的非均相负载型催化剂的存在下,在至少一种前体和/或共聚单体存在下,四氢呋喃的聚合制备聚四氢呋喃,聚四氢呋喃共聚物,这些聚合物的聚四氢呋喃共聚物,二酯或单酯的方法。 使用含硫酸盐的非均相负载型催化剂,其含有至少一种金属硫酸盐,金属硫酸氢盐,金属氧化物硫酸盐或其混合物。

    Preparation of amines from olefins over NU-85 zeolites
    17.
    发明授权
    Preparation of amines from olefins over NU-85 zeolites 失效
    通过NU-85沸石从烯烃制备胺

    公开(公告)号:US5874621A

    公开(公告)日:1999-02-23

    申请号:US22676

    申请日:1998-02-12

    摘要: Amines of the general formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 : are each hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.2 -C.sub.20 -alkynyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 -alkylaryl or C.sub.7 -C.sub.20 -aralkyl,R.sub.1 and R.sup.2 together are a saturated or unsaturated C.sub.3 -C.sub.9 -alkylene chain andR.sup.3 or R.sup.5 is C.sub.21 -C.sub.200 -alkyl or C.sub.21 -C.sub.200 -alkenyl or R.sup.3 and R.sup.5 together are a C.sub.2 -C.sub.12 -alkylene chain,are prepared by reacting an olefin of the general formula II ##STR2## where R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the abovementioned meanings, with ammonia or a primary or secondary amine of the general formula III ##STR3## where R.sup.1 and R.sup.2 have the abovementioned meanings, at from 200.degree.0 to 350.degree. C. and from 100 to 300 bar in the presence of a heterogeneous catalyst, wherein the heterogeneous catalyst used is an NU-85 zeolite.

    摘要翻译: 其中R 1,R 2,R 3,R 4,R 5和R 6各自为氢,C 1 -C 20 - 烷基,C 2 -C 20 - 烯基,C 2 -C 20 - 炔基,C 3 -C 20 - 环烷基, C 4 -C 20烷基环烷基,C 4 -C 20环烷基烷基,芳基,C 7 -C 20烷基芳基或C 7 -C 20芳烷基,R 1和R 2一起是饱和或不饱和的C 3 -C 9 - 亚烷基链,并且R 3或R 5是C 21 -C 200 - 烷基或C 21 -C 2-链烯基或R 3和R 5一起是C 2 -C 12亚烷基链,通过使通式II的烯烃(其中R3,R4,R5和R6具有上述含义)与氨反应制备 或者在非均相催化剂的存在下,在200℃至350℃和100至300巴条件下,其中R 1和R 2具有上述含义的通式III的主要或仲胺,其中R 1和R 2具有上述含义, 所使用的催化剂是NU-85沸石。

    Preparation of amines from olefins over oxides of group IVB or VIB or
mixtures thereof on carriers
    18.
    发明授权
    Preparation of amines from olefins over oxides of group IVB or VIB or mixtures thereof on carriers 失效
    IVB或VIB族氧化物或其混合物在载体上从烯烃制备胺

    公开(公告)号:US5780681A

    公开(公告)日:1998-07-14

    申请号:US869759

    申请日:1997-06-05

    摘要: Amines of general formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.2 -C.sub.20 -alkynyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 -alkylaryl or C.sub.7 -C.sub.20 -aralkyl, R.sup.1 and R.sup.2 together form a saturated or unsaturated C.sub.3 -C.sub.9 -alkylene chain and R.sup.3 or R.sup.5 is C.sub.21 -C.sub.200 -alkyl or C.sub.21 -C.sub.200 -alkenyl, or R.sup.3 and R.sup.5 together form a C.sub.2 -C.sub.12 -alkylene chain, are prepared by reacting an olefin of the general formula II ##STR2## where R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the above-mentioned meanings, with ammonia or primary or secondary amines of the general formula III ##STR3## where R.sup.1 and R.sup.2 have the abovementioned meanings, at from 200.degree. to 350.degree. C. and from 100 to 300 bar in the presence of a heterogeneous catalyst, by a process in which the heterogeneous catalyst used is an oxide of group IVB or VIB or a mixture thereof on a carrier.

    摘要翻译: 通式I(I)的胺其中R 1,R 2,R 3,R 4,R 5和R 6各自为氢,C 1 -C 20 - 烷基,C 2 -C 20 - 烯基,C 2 -C 20 - 炔基,C 3 -C 20 - 环烷基 C 4 -C 20烷基环烷基,C 4 -C 20环烷基烷基,芳基,C 7 -C 20烷基芳基或C 7 -C 20芳烷基,R 1和R 2一起形成饱和或不饱和的C 3 -C 9 - 亚烷基链,并且R 3或R 5是C 21 -C 200 - 烷基或C 21 -C 2-链烯基,或者R 3和R 5一起形成C 2 -C 12亚烷基链,通过使通式II的烯烃(II)反应,其中R3,R4,R5和R6具有 在具有上述含义的氨基或伯或仲胺中,其中R1和R2具有上述含义,在200-350℃和100-300巴的存在下, 的非均相催化剂,其中使用的非均相催化剂是IVB或VIB的氧化物或其载体上的混合物的方法。

    Method for processing pTHF polymerization catalysts
    20.
    发明授权
    Method for processing pTHF polymerization catalysts 有权
    加工pTHF聚合催化剂的方法

    公开(公告)号:US06713422B1

    公开(公告)日:2004-03-30

    申请号:US09889403

    申请日:2001-07-17

    IPC分类号: B01J3806

    摘要: A process for working up at least partially deactivated polymerization catalysts for the polymerization or copolymerization of THF which are contaminated with the products of the polymerization or copolymerization of THF comprises (a) in a first step, cleaning the polymerization catalyst by treatment with steam at from 80 to 250° C. and a pressure of from 0.5 to 40 bar and, preferably, (b) in a second step, regenerating the clean polymerization catalyst.

    摘要翻译: 用于处理被THF聚合或共聚的产物污染的至少部分失活的聚合催化剂的聚合催化剂的方法包括(a)在第一步骤中,通过用 80至250℃,压力为0.5至40巴,优选(b)在第二步骤中再生清洁聚合催化剂。