Process for preparing polytetrahydrofuran and derivatives thereof
    1.
    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。

    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。

    Process for preparing polytetrahydrofuran
    5.
    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。

    Method for producing polytetrahydrofuran
    6.
    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。