Production of homocopolymers, co-polymers or block copolymers from cycloolefinicmonomer units
    2.
    发明授权
    Production of homocopolymers, co-polymers or block copolymers from cycloolefinicmonomer units 失效
    由环烯单体单元生产均聚物,共聚物或嵌段共聚物

    公开(公告)号:US06262194B1

    公开(公告)日:2001-07-17

    申请号:US09402541

    申请日:1999-10-06

    IPC分类号: C08F204

    CPC分类号: C08F297/06 C08F32/00

    摘要: The invention relates to the production of homopolymers, co-copolymers or block copolymers from cycloolefinic monomer units characterized in that polymerization occurs in the presence of a catalyst of general formula (I), and optionally in the presence of an additive, wherein the substituents and indices have the following meaning: M is a metal from group VIII B of the periodic table of elements; E1, E2 are independently from each other an element from group V A of the periodic table of elements; Z is a bridging structural unit; Ar stands for annelated aryl units independent of each other; L1, L2 stands for formally uncharged Lewis base ligands; X means monovalent or bivalent anions; k means 1 or 2; l, m, n represent 1 or 2, whereby m×n=1.

    摘要翻译: 本发明涉及由环烯类单体单元生产均聚物,共聚物或嵌段共聚物,其特征在于聚合在通式(I)的催化剂存在下进行,并且任选地在添加剂存在下进行,其中取代基和 指数具有以下含义:M是元素周期表第VIIIB族的金属; E1,E2彼此独立地为元素周期表第ⅤA族元素; Z是桥接结构单元; Ar代表彼此独立的芳环单元; L1,L2代表正式不带电的路易斯碱配体; X表示一价或二价阴离子; k表示1或2; l,m,n表示1或2,由此mxn = 1。

    Thermoplastic elastomer carbon monoxide/olefin copolymers
    3.
    发明授权
    Thermoplastic elastomer carbon monoxide/olefin copolymers 失效
    热塑性弹性体一氧化碳/烯烃共聚物

    公开(公告)号:US06251518B1

    公开(公告)日:2001-06-26

    申请号:US09297919

    申请日:1999-05-12

    IPC分类号: D02G300

    摘要: Linear, thermoplastic, elastomeric copolymers comprise carbon monoxide and at least one olefinic C7- to C20-monomer and have an average molecular weight Mw greater than 15,000 g/mol and a Tg-value of less than −20° C., and comprise carbon monoxide, at least one olefinic C2- to C4-monomer and at least one olefinic C6- to C20-monomer and have an average molecular weight Mw greater than 40,000 g/mol and a Tg-value of less than 20° C.

    摘要翻译: 线性,热塑性弹性体共聚物包括一氧化碳和至少一种烯烃C 7 -C 20单体,其平均分子量Mw大于15,000g / mol,Tg值小于-20℃,并且包含碳 一氧化碳,至少一种烯烃C 2 -C 4单体和至少一种烯烃C 6 -C 20单体,其平均分子量Mw大于40,000g / mol,Tg值小于20℃。

    Catalyst and method for the carbonylation of oxiranes
    9.
    发明授权
    Catalyst and method for the carbonylation of oxiranes 失效
    催化剂和环氧乙烷羰基化方法

    公开(公告)号:US07420064B2

    公开(公告)日:2008-09-02

    申请号:US10523263

    申请日:2003-07-31

    IPC分类号: C07D305/12 B01J31/00

    摘要: Lactones are prepared by catalytic carbonylation of oxiranes using a catalyst system comprising a) at least one cobalt compound as component A and b) at least one metal compound of the formula (I) as component B, MXxRn-x   (I) where M is an alkaline earth metal or a metal of group 3, 4 or preferably 12 or 13 of the Periodic Table of the Elements, R is hydrogen or a hydrocarbon radical which may be substituted on the carbon atoms other than the carbon atom bound to M, X is an anion, n is a number corresponding to the valence of M and x is in the range from 0 to n, with n and x being selected so that the compound is uncharged, as catalyst.

    摘要翻译: 内酯通过使用包含a)至少一种钴化合物作为组分A和b)至少一种式(I)的金属化合物作为组分B的催化剂体系制备,所述催化剂体系包括:a)至少一种钴化合物作为组分A, “在线公式”end =“lead”?> MX R (I)<?in-line-formula description =“In-line Formulas”end =“尾”→其中M是元素周期表中的3,4或优选12或13的碱土金属或金属,R是氢或可以在碳原子上被取代的烃基 除了与M结合的碳原子之外,X是阴离子,n是对应于M的化合价的数,x在0至n的范围内,选择n和x,以使化合物不带电作为催化剂。

    Method for the production of poly(3-hydroxyalkanoates) in the presence of a nucleophile
    10.
    发明授权
    Method for the production of poly(3-hydroxyalkanoates) in the presence of a nucleophile 失效
    在亲核试剂存在下生产聚(3-羟基链烷酸酯)的方法

    公开(公告)号:US07019107B2

    公开(公告)日:2006-03-28

    申请号:US10505707

    申请日:2003-02-26

    IPC分类号: C08G59/68 C08G65/10

    CPC分类号: C08G63/823 C08G63/08

    摘要: The invention relates to a catalytical process for preparing poly(3-hydroxyalkanoates) by copolymerizing an oxirane compound with carbon monoxide in the presence of a) at least one single- or multicenter neutral transition metal complex (A) based on a metal of groups 5 to 11 of the Periodic Table of the Elements, in which the metal center(s) is/are present in the formal oxidation state 0, and/or b) at least one single- or multicenter anionic transition metal complex (B) based on a metal of groups 5 to 11 of the Periodic Table of the Elements, where multicenter transition metal complexes have metal centers which, without exception, are of the same transition metal, which comprises carrying out the copolymerization in the presence of at least one nucleophile other than hydroxy-substituted pyridine compounds.

    摘要翻译: 本发明涉及通过在a)至少一种基于5族金属的单中心或多中心中性过渡金属络合物(A)的存在下将环氧乙烷化合物与一氧化碳共聚来制备聚(3-羟基链烷酸酯)的催化方法 至元素周期表中的11个,其中金属中心以形式氧化态0存在,和/或b)至少一种单或多中心阴离子过渡金属络合物(B),基于 元素周期表第5至11组的金属,其中多中心过渡金属络合物具有金属中心,无一例外是相同的过渡金属,其包括在存在至少一种亲核试剂的情况下进行共聚 比羟基取代的吡啶化合物。