Method for processing pTHF polymerization catalysts
    1.
    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。

    Preparation of polytetrahydrofuran
    3.
    发明授权
    Preparation of polytetrahydrofuran 失效
    聚四氢呋喃的制备

    公开(公告)号:US5773648A

    公开(公告)日:1998-06-30

    申请号:US793987

    申请日:1997-03-07

    摘要: A process for the preparation of polytetrahydrofuran or polytetrahydrofuran monoesters of C.sub.1 -C.sub.10 monocarboxylic acids by the polymerization of tetrahydrofuran over a heterogeneous catalyst in the presence of one of the telogens water, 1,4-butanediol or polytetrahydrofuran having a molecular weight of from 200 to 700 dalton or a C.sub.1 -C.sub.10 monocarboxylic acid or mixtures of these telogens, wherein a supported catalyst is used as catalyst, which contains a catalytically active amount of an oxygen-containing tungsten or molybdenum compound or mixtures of these compounds on an oxidic support material and which was calcined at temperatures ranging from 500.degree. to 1000.degree. C. following the application of the precursor compounds of said oxygen-containing molybdenum and/or tungsten compounds to the support material precursor.

    摘要翻译: PCT No.PCT / EP95 / 03651 Sec。 371日期1997年3月10日 102(e)1997年3月10日PCT PCT 1995年9月21日PCT公布。 公开号WO96 / 09335 日期:1996年3月28日一种通过四氢呋喃在多相催化剂上的存在下,在一种具有分子量的四氢呋喃水,1,4-丁二醇或聚四氢呋喃的存在下,通过四氢呋喃的聚合制备C1-C10单羧酸的聚四氢呋喃或聚四氢呋喃单酯的方法 重量为200至700道尔顿或C1-C10单羧酸或其混合物,其中使用负载催化剂作为催化剂,其含有催化活性量的含氧钨或钼化合物或这些化合物的混合物在 氧化载体材料,并且在将所述含氧钼和/或钨化合物的前体化合物施加到载体材料前体之后,在500℃至1000℃的温度下煅烧。

    Catalyst and method for producing polytetrahydrofuran
    4.
    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
    5.
    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℃。

    Preparation of amines from olefins over oxides of group IVB or VIB or
mixtures thereof on carriers
    6.
    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。

    Process for preparing polytetrahydrofuran and derivatives thereof
    7.
    发明授权
    Process for preparing polytetrahydrofuran and derivatives thereof 失效
    制备聚四氢呋喃及其衍生物的方法

    公开(公告)号:US6111147A

    公开(公告)日:2000-08-29

    申请号:US269210

    申请日:1999-04-01

    CPC分类号: C08G65/20 C08G18/4854

    摘要: Polytetrahydrofuran, copolymers of tetrahydrofuran and 2-butyne-1,4-diol, diesters of these polymers with C.sub.2 -C.sub.20 -monocarboxylic acids or monoesters of these polymers with C.sub.1 -C.sub.10 -monocarboxylic acids are prepared by polymerization of tetrahydrofuran in the presence of one of the telogens water, 1,4-butanediol, 2-butyne-1,4-diol, polytetrahydrofuran having a molecular weight of from 200 to 700 Dalton, a C.sub.1 -C.sub.10 -monocarboxylic acid or an anhydride of a C.sub.2 -C.sub.20 -monocarboxylic acid or a mixture of these telogens over a heterogeneous supported catalyst which comprises a catalytically active amount of an oxygen-containing molybdenum and/or tungsten compound on an oxidic support material and which has been calcined at from 5OO.degree. C. to 1OOO.degree. C. after application of the precursor compounds of the oxygen-containing molybdenum and/or tungsten compounds onto the support material precursor, wherein the catalyst is activated by treatment with a reducing agent before it is used as a polymerization catalyst.

    摘要翻译: PCT No.PCT / EP97 / 05204 Sec。 371日期1999年4月1日 102(e)1999年4月1日PCT PCT 1997年9月23日PCT公布。 第WO98 / 15589号公报 日期:1998年4月16日四氢呋喃,四氢呋喃和2-丁炔-1,4-二醇的共聚物,这些聚合物与C2-C20-一元羧酸的二酯或这些聚合物与C1-C10-一元羧酸的单酯通过四氢呋喃 在其中一种使用水,1,4-丁二醇,2-丁炔-1,4-二醇,分子量为200-700道尔顿的聚四氢呋喃,C1-C10-一元羧酸或 C2-C20-一元羧酸或这些方法的混合物在非均相载体催化剂上的混合物,其包含在氧化载体材料上的催化活性量的含氧钼和/或钨化合物,并且已经在500℃煅烧 将含氧钼和/或钨化合物的前体化合物施加到载体材料前体上之后,至1000℃,其中催化剂在用作还原剂之前通过用还原剂进行活化 聚合催化剂。

    Process for preparing aromatic polyamine mixtures
    8.
    发明授权
    Process for preparing aromatic polyamine mixtures 失效
    制备芳族聚胺混合物的方法

    公开(公告)号:US06410789B1

    公开(公告)日:2002-06-25

    申请号:US09367971

    申请日:1999-08-24

    IPC分类号: C07C21100

    摘要: In a process for preparing aromatic polyamine mixtures which contain compounds of the formula (I), H2N—A—CH2—B—NH2  (I) where A and B are 1,4-phenylene radicals each of which independently of one another can have 1 to 4 substituents selected from C1-20 alkyls and halogens, a compound of the formula (IV) H—A—NH—CH2—HN—B—H  (IV) and/or a compound of the formula (V) H—A—NH—CH2—B—NH2  (V) where A and B are substituted as above, are reacted at from 20° C. to 200° C. in the presence of a heterogeneous inorganic catalyst selected from the group consisting of a) one or more oxides of elements of group 3 to group 10 of the Periodic Table of the Elements, which can be acid-activated, b) a clay which is doped with at least one oxide of elements of groups 2 to 13 or the lanthanides of the Periodic Table of the Elements and can be acid-activated or c) a catalyst comprising one or more sheet silicates which may be acid-activated and have an acidity below pKa=1.5 of more than 0.05 mmol/g of catalyst.

    摘要翻译: 在制备含有式(I)化合物的芳族多胺混合物的方法中,其中A和B为1,4-亚苯基,其各自独立地可以具有1至4个选自C 1-20烷基和卤素的取代基 ,在异种无机催化剂的存在下,在20℃至200℃下使式(Ⅳ)化合物和/或其中A和B如上所述被取代的式(Ⅴ)化合物反应 选自由以下组成的组:a)元素周期表第3族至第10族元素的一种或多种元素,其可被酸活化,b)掺杂有至少一种基团元素氧化物的粘土 2至13或元素周期表的镧系元素,并且可以是酸活化的)c)催化剂,其包含一种或多种可以被酸活化且酸度低于pKa = 1.5的片状硅酸盐超过0.05mmol / g 的催化剂。

    Process for preparing polytetrahydrofuran
    9.
    发明授权
    Process for preparing polytetrahydrofuran 失效
    制备聚四氢呋喃的方法

    公开(公告)号:US06211401B1

    公开(公告)日:2001-04-03

    申请号:US09308320

    申请日:1999-05-19

    IPC分类号: C07C6724

    摘要: Polytetrahydrofuran, tetrahydrofuran copolymers, diesters or monoesters of these polymers are prepared by polymerizing tetrahydrofuran in the presence of at least one telogen and/or comonomer on a heterogeneous carrier catalyst which contains on an oxidic carrier material as active mass a catalytically active amount of at least one oxygenous molybdenum and/or tungsten compound and, when the precursor compounds of the active mass have been applied to the carrier material precursor, has been calcined at temperatures of between 500° C. and 1000° C. The catalyst used contains a promotor which comprises at least one element or a compound of an element of the 2nd, 3rd including the lanthanides, 5th, 6th, 7th, 8th or 14th group of the periodic system of elements.

    摘要翻译: 这些聚合物的四氢呋喃共聚物,二酯或单酯通过在至少一种前体和/或共聚单体存在下在非均相载体催化剂的存在下聚合四氢呋喃来制备,所述非均相载体催化剂在氧化载体材料上作为活性物质至少具有催化活性量 一种氧钼和/或钨化合物,并且当将活性物质的前体化合物已经施加到载体材料前体时,已经在500℃和1000℃之间的温度下煅烧。所使用的催化剂包含一种促进剂, 包括至少一种元素或元素的化合物,其包括元素周期性系统的镧系元素,第5,第6,第7,第8或第14组的第2,3族元素。

    Catalyst and method for the production of polytetrahydrofuran
    10.
    发明授权
    Catalyst and method for the production of polytetrahydrofuran 失效
    用于生产聚四氢呋喃的催化剂和方法

    公开(公告)号:US06362312B1

    公开(公告)日:2002-03-26

    申请号:US09529180

    申请日:2000-04-10

    IPC分类号: C07C4311

    摘要: In a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters thereof comprises polymerizing tetrahydrofuran in the presence of at least one telogen and/or comonomer over an acid-activated calcium montmorillonite as catalyst, the calcium montmorillonite has a BET surface area of at least 300 m2/g, an acidity of at least 0.02 mmol/g at pKa

    摘要翻译: 在制备聚四氢呋喃的方法中,聚四氢呋喃共聚物或二酯或其单酯包括在至少一种前体和/或共聚单体存在下,在酸活化的钙蒙脱石作为催化剂上聚合四氢呋喃,所述钙蒙脱石的BET表面积至少为 300m 2 / g,在pKa <3时酸度至少为0.02mmol / g,孔径在30至200之间的孔体积至少为0.40cm 3 / g。