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    Production of polyoxymethylene and suitable catalysts
    5.
    发明申请
    Production of polyoxymethylene and suitable catalysts 失效
    生产聚甲醛和合适的催化剂

    公开(公告)号：US20050176924A1

    公开(公告)日：2005-08-11

    申请号：US10510475

    申请日：2003-04-10

    申请人： Hans-Helmut Gortz ,  Gerrit Luinstra ,  Monika Forster ,  Andreas Baumann ,  Ekkehard Lindner

    发明人： Hans-Helmut Gortz ,  Gerrit Luinstra ,  Monika Forster ,  Andreas Baumann ,  Ekkehard Lindner

    IPC分类号： C08G2/06 ,  C08G2/08 ,  C08G65/34

    CPC分类号： C08G2/08 ,  C08G2/06

    摘要： A process is described for preparing polyoxymethylene by contacting a formaldehyde source with a catalyst of the formula I [ML1aL2b]cm+Zc·m/nn−  (I) where M is a metal of group VIII; L1 is a ligand having at least one π-electron pair; each L2 is independently tetrahydrofuran or a ligand which is displaceable by tetrahydrofuran; Z is an anion; a is 1 or 2; b is an integer from 0 to 4; c is 1 or 2; and m and n are integers from 1 to 4.

    摘要翻译： 描述了通过使甲醛源与式I的催化剂接触而制备聚甲醛的方法，该方法式为：式中：=“引线”→[ML 1] b （I）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中M是第VIII组的金属; L 1是具有至少一个π-电子对的配体; 每个L 2独立地是四氢呋喃或可由四氢呋喃置换的配体; Z是阴离子; a是1或2; b为0〜4的整数; c为1或2; m和n为1〜4的整数。

    Preparation and use of ultrahigh-molecular-weight polycarbonates
    6.
    发明授权
    Preparation and use of ultrahigh-molecular-weight polycarbonates 失效
    超高分子量聚碳酸酯的制备与应用

    公开(公告)号：US07728099B2

    公开(公告)日：2010-06-01

    申请号：US11721404

    申请日：2005-12-09

    申请人： Gerrit Luinstra

    发明人： Gerrit Luinstra

    IPC分类号： C08G64/00 ,  C08G63/02

    CPC分类号： C08G64/34 ,  C08G64/0208

    摘要： The present invention relates to a process for preparation of polycarbonates with weight-average molar mass MW≧230,000 g/mol and with ≦2% by weight content of cyclic compounds, including the following steps: (a) reaction of at least one oxirane with carbon dioxide in the presence of a metal-polycarboxylic acid compound in an aprotic, non-water-miscible solvent at a temperature of from 40 to 120° C. and at a pressure of from 1 to 100 bar, where the molar ratio of monomer to metal-polycarboxylic acid compound is ≧75, (b) addition of an aqueous solution of an inorganic acid to the reaction mixture once the reaction has ended, (c) removal of the aqueous phase, (d) if appropriate, washing of the remaining organic phase with water, and (e) devolatilization and drying of the resultant slurry of the polycarbonate in the aprotic, non-water-miscible solvent, and to the polycarbonate prepared via the process, and also to the use of the polycarbonate.

    摘要翻译： 本发明涉及一种重均分子量为230,000g / mol的聚碳酸酯的制备方法，以及含有2重量％环状化合物的聚碳酸酯的方法，包括以下步骤：（a）至少一种环氧乙烷 在金属 - 多元羧酸化合物存在下，在非质子非水混溶性溶剂中，在40-120℃的温度和1-100巴的压力下，二氧化碳的摩尔比为 单体与金属 - 多元羧酸化合物的比例≥75，（b）一旦反应结束，向反应混合物中加入无水酸水溶液，（c）除去水相，（d）如果合适， 剩余的有机相与水，以及（e）将脱色和干燥聚碳酸酯在非质子交换的非水混溶性溶剂中的溶解和干燥，以及通过该方法制备的聚碳酸酯，以及使用聚碳酸酯。

    Preparation and Use of Ultrahigh-Molecular-Weight Polycarbonates
    7.
    发明申请
    Preparation and Use of Ultrahigh-Molecular-Weight Polycarbonates 失效
    超高分子量聚碳酸酯的制备与应用

    公开(公告)号：US20090306336A1

    公开(公告)日：2009-12-10

    申请号：US11721404

    申请日：2005-12-09

    申请人： Gerrit Luinstra

    发明人： Gerrit Luinstra

    IPC分类号： C08G59/68 ,  C08G65/04

    CPC分类号： C08G64/34 ,  C08G64/0208

    摘要： The present invention relates to a process for preparation of polycarbonates with weight-average molar mass MW≧230 000 g/mol and with ≦2% by weight content of cyclic compounds, including the following steps: (a) reaction of at least one oxirane with carbon dioxide in the presence of a metal-polycarboxylic acid compound in an aprotic, non-water-miscible solvent at a temperature of from 40 to 120° C. and at a pressure of from 1 to 100 bar, where the molar ratio of monomer to metal-polycarboxylic acid compound is ≧75, (b) addition of an aqueous solution of an inorganic acid to the reaction mixture once the reaction has ended, (c) removal of the aqueous phase, (d) if appropriate, washing of the remaining organic phase with water, and (e) devolatilization and drying of the resultant slurry of the polycarbonate in the aprotic, non-water-miscible solvent, and to the polycarbonate prepared via the process, and also to the use of the polycarbonate.

    摘要翻译： 本发明涉及一种制备重均摩尔质量MW> = 230 000g / mol并且具有<= 2重量％环状化合物含量的聚碳酸酯的方法，包括以下步骤：（a）至少反应 一种环氧乙烷与二氧化碳在金属 - 多元羧酸化合物的存在下在非质子非水溶性溶剂中在40至120℃的温度和1至100巴的压力下进行，其中摩尔 单体与金属 - 多元羧酸化合物的比例> 75，（b）一旦反应结束，向反应混合物中加入无机酸水溶液，（c）除去水相，（d）如果合适 ，用水洗涤剩余的有机相，和（e）将所得的聚碳酸酯浆料在非质子非水溶混溶剂中的脱挥发和干燥，以及通过该方法制备的聚碳酸酯，以及使用 聚碳酸酯。

    Catalyst and method for the carbonylation of oxiranes
    8.
    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

    申请人： Gerrit Luinstra ,  Ferenc Molnar ,  Bernhard Rieger ,  Markus Allmendinger

    发明人： Gerrit Luinstra ,  Ferenc Molnar ,  Bernhard Rieger ,  Markus Allmendinger

    IPC分类号： C07D305/12 ,  B01J31/00

    CPC分类号： C07D305/12 ,  B01J31/122 ,  B01J31/143 ,  B01J31/20 ,  B01J2231/34 ,  B01J2531/845 ,  C07D303/04

    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
    9.
    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

    申请人： Gerrit Luinstra ,  Markus Allmendinger ,  Bernhard Rieger

    发明人： Gerrit Luinstra ,  Markus Allmendinger ,  Bernhard Rieger

    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。