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    Cleaving Of Oligomeric (Meth) Acrylic Acid In A Liquid Phase Under Pressure
    3.
    发明申请
    Cleaving Of Oligomeric (Meth) Acrylic Acid In A Liquid Phase Under Pressure 审中-公开
    在压力下在液相中裂解低聚（甲基）丙烯酸

    公开(公告)号：US20070280866A1

    公开(公告)日：2007-12-06

    申请号：US10589775

    申请日：2005-02-18

    申请人： Torsten Balduf ,  Jurgen Mosler ,  Thomas Rathke ,  Dennis Thong Yu-Chiang ,  Axel Kobus ,  Rudolf Burghardt ,  Michael Fricke ,  Stefan Nordhoff

    发明人： Torsten Balduf ,  Jurgen Mosler ,  Thomas Rathke ,  Dennis Thong Yu-Chiang ,  Axel Kobus ,  Rudolf Burghardt ,  Michael Fricke ,  Stefan Nordhoff

    IPC分类号： B01J8/00 ,  C07C237/16 ,  C07C55/00 ,  C07C69/74

    CPC分类号： B01D9/0059 ,  B01D3/14 ,  B01D3/146 ,  B01D5/0054 ,  B01J19/24 ,  B01J2219/00006 ,  B01J2219/00094 ,  C07C51/09 ,  C07C67/03 ,  C07C57/04 ,  C07C69/54

    摘要： The present invention relates to a process for cleaving a (meth)acrylic acid oligomer of structure I wherein R1 is a hydrogen atom or a C1 to C10 alkyl groups, R2 is a hydrogen atom or a methyl group, and n is a whole number within the range between 1 and 200, optionally in the presence of a cleaving agent of the structure R3—OH or of the structure (R4)2—N—H, whereby R3 is a hydrogen atom, a C1 to C12 alkyl group, or a —CxH2x—OH— group, whereby x is a whole number within a range from 1 to 12, and R4 is a hydrogen atom or a C1 to C12 alkyl group, with the proviso that not both R4 groups are hydrogen atoms, whereby the (meth)acrylic acid oligomers are heated with the cleaving agent to a temperature of at least 50° C. at a pressure of at least 1 bar. The present invention also relates to the use of water, optionally with a protic compound as cleaving agent for cleaving (meth)acrylic acid oligomers, a device for (meth)acrylic acid synthesis, the use of this device for production of (meth)acrylic acid, as well as (meth)acrylic acid which has been produced using this device.

    摘要翻译： 本发明涉及一种用于切割结构I的（甲基）丙烯酸低聚物的方法，其中R 1是氢原子或C 1至C 10 烷基，R 2是氢原子或甲基，n是整数在1和200之间的范围内，任选地在存在结构的裂解剂的情况下 R 3 -OH或结构（R 4 S）2 -NH，其中R 3是氢 原子，C 1至C 12烷基或-C 2 H 2 H 2 -OH基团 ，其中x是在1至12的范围内的整数，R 4是氢原子或C 1至C 12的整数。 烷基，条件是不是两个R 4基团都是氢原子，由此将（甲基）丙烯酸低聚物用裂解剂加热到至少50℃的温度，压力 至少1巴。 本发明还涉及水，任选地含有质子化合物作为裂解（甲基）丙烯酸低聚物的裂解剂的用途，（甲基）丙烯酸合成装置，使用该装置生产（甲基）丙烯酸 酸，以及使用该装置制备的（甲基）丙烯酸。

    Method for the Purification of (Meth) Acrylic Acid
    4.
    发明申请
    Method for the Purification of (Meth) Acrylic Acid 有权
    纯化（甲基）丙烯酸的方法

    公开(公告)号：US20080091048A1

    公开(公告)日：2008-04-17

    申请号：US11571877

    申请日：2005-07-15

    申请人： Stefan Nordhoff ,  Torsten Balduf ,  Jurgen Mosler ,  Wilfired Uhlich ,  Dennis Thong Yu-Chiang ,  Axel Kobus ,  Arndt Selbach ,  Jurgen Kohn

    发明人： Stefan Nordhoff ,  Torsten Balduf ,  Jurgen Mosler ,  Wilfired Uhlich ,  Dennis Thong Yu-Chiang ,  Axel Kobus ,  Arndt Selbach ,  Jurgen Kohn

    IPC分类号： C07C51/43 ,  C07C57/04 ,  B01J19/00

    CPC分类号： C07C51/43 ,  C07C57/04

    摘要： The present invention relates to a process for production of (meth)acrylic acid, whereby first a crude (meth)acrylic acid is produced and this crude (meth)acrylic acid is then continuously purified, whereby the continuous purification of the crude (meth)acrylic acid comprises the following process steps: a) in a composition comprising (meth)acrylic acid and impurities, precipitating the impurities in crystalline form from the composition; and b) separating the crystalline impurities precipitated from the composition. The invention also relates to the (meth)acrylic acid obtainable by this process, a device for production of (meth)acrylic acid, the use of the device or of a purification device for production of (meth)acrylic acid, (meth)acrylic acid, water-absorbing polymers, the use of water-absorbing polymers as well as fibers, sheets, foams and composites.

    摘要翻译： 本发明涉及一种生产（甲基）丙烯酸的方法，其中首先生产粗（甲基）丙烯酸，然后将该粗（甲基）丙烯酸连续纯化，由此连续纯化粗（甲基）丙烯酸， 丙烯酸包括以下工艺步骤：a）在包含（甲基）丙烯酸和杂质的组合物中，从组合物中沉淀出结晶形式的杂质; 和b）分离从组合物中析出的结晶杂质。 本发明还涉及通过该方法获得的（甲基）丙烯酸，（甲基）丙烯酸的制造装置，使用该装置或纯化装置用于制造（甲基）丙烯酸，（甲基）丙烯酸 吸水聚合物，吸水聚合物以及纤维，片材，泡沫和复合材料的使用。

    Process for the production of acrylic acid
    6.
    发明授权
    Process for the production of acrylic acid 有权
    丙烯酸生产工艺

    公开(公告)号：US07294741B2

    公开(公告)日：2007-11-13

    申请号：US10498852

    申请日：2002-12-13

    申请人： Gunther Bub ,  Jurgen Mosler ,  Dietrich Maschmeyer ,  Andreas Sabbagh ,  Roland Fornika ,  Matthias Peuckert

    发明人： Gunther Bub ,  Jurgen Mosler ,  Dietrich Maschmeyer ,  Andreas Sabbagh ,  Roland Fornika ,  Matthias Peuckert

    IPC分类号： C07C51/16

    CPC分类号： C07C51/252 ,  C07C57/04

    摘要： The present invention relates to a process for the production of acrylic acid (AA) comprising the steps wherein: a) a 1st gas mixture comprising propylene, oxygen, an inert gas and steam is subjected to a 1st catalytic oxidation reaction stage thereby converting the propylene in the presence of a catalyst mainly into acrolein being contained in a 2nd gas mixture from said 1st catalytic oxidation reaction, b) said 2nd gas mixture from the 1st catalytic oxidation reaction stage is subjected to a 2nd catalytic oxidation reaction stage thereby converting the acrolein in the presence of a catalyst mainly into AA, being contained in a product gas, c) said product gas is subjected to a quench tower, wherein said AA is recovered as an aqueous solution comprising said AA being contained in the process water, wherein a process vent gas is obtained at the top of said quench tower, wherein, said 1st gas mixture has a steam/propylene ratio of >0.3 and

    摘要翻译： 本发明涉及一种生产丙烯酸（AA）的方法，包括以下步骤：a）将包含丙烯，氧气，惰性气体和蒸汽的第一气体混合物进行第一催化氧化反应阶段，由此将丙烯 在主催化剂存在下，由所述第一催化氧化反应产生的第二气体混合物中含有丙烯醛，b）将来自第一催化氧化反应阶段的所述第二气体混合物进行第二催化氧化反应阶段，由此将丙烯醛转化为 催化剂主要以AA形式存在于产物气体中，c）将所述产物气体进行骤冷塔，其中所述AA作为包含所述AA的水溶液被回收，所述水溶液包含在工艺用水中，其中过程 在所述骤冷塔的顶部获得排出气体，其中所述第一气体混合物具有> 0.3和<2的蒸汽/丙烯比，并且所述处理水的量为 s或等于从骤冷塔抽出的所述水溶液中的水量。

    SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME
    7.
    发明申请
    SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME 有权
    超吸收聚合物及其制备方法

    公开(公告)号：US20120226003A1

    公开(公告)日：2012-09-06

    申请号：US13461220

    申请日：2012-05-01

    申请人： Torsten Balduf ,  Gunther Bub ,  Jurgen Mosler ,  Andreas Sabbagh ,  Jurgen Kohn ,  Arndt Selbach

    发明人： Torsten Balduf ,  Gunther Bub ,  Jurgen Mosler ,  Andreas Sabbagh ,  Jurgen Kohn ,  Arndt Selbach

    IPC分类号： C08F2/44 ,  C08F120/06

    CPC分类号： C08J3/00 ,  C07C51/43 ,  C07C57/04

    摘要： In some embodiments, a process for producing a polymer comprises (I) producing a pure (meth)acrylic acid comprising the steps of (a) synthesizing a crude (meth)acrylic acid phase; (b) distillatively working-up the crude (meth)acrylic acid phase to obtain a (meth)acrylic acid phase and a dimer phase comprising (meth)acrylic acid dimers or (meth)acrylic acid oligomers or both; (c) splitting at least a part of the (meth)acrylic acid dimers or of the (meth)acrylic acid oligomers or both from the dimer phase to obtain a (meth)acrylic acid-comprising low boiling phase and a high boiling phase comprising less (meth)acrylic acid than the low boiling phase; (d) separating at least a part of the (meth)acrylic acid from the low boiling phase to obtain a pure (meth)acrylic acid, and a residue; (II) polymerizing a monomer phase comprising the pure (meth)acrylic acid to obtain a polymer phase; and (III) working-up the polymer phase to obtain the polymer.

    摘要翻译： 在一些实施方案中，制备聚合物的方法包括（I）制备纯（甲基）丙烯酸，其包括以下步骤：（a）合成粗（甲基）丙烯酸相; （b）蒸馏处理粗（甲基）丙烯酸相以获得（甲基）丙烯酸相和包含（甲基）丙烯酸二聚体或（甲基）丙烯酸低聚物或二者的二聚体相; （c）从二聚体相分离至少一部分（甲基）丙烯酸二聚体或（甲基）丙烯酸低聚物或两者，得到包含（甲基）丙烯酸的低沸点相和高沸点相，包括 较少（甲基）丙烯酸低于低沸点相; （d）从低沸点相分离出至少一部分（甲基）丙烯酸，得到纯（甲基）丙烯酸，残渣; （II）使包含纯（甲基）丙烯酸的单体相聚合以获得聚合物相; 和（III）加工聚合物相以获得聚合物。

    Superabsorbent polymers and methods of making the same
    8.
    发明授权
    Superabsorbent polymers and methods of making the same 有权
    超吸收性聚合物及其制造方法

    公开(公告)号：US08445617B2

    公开(公告)日：2013-05-21

    申请号：US13668899

    申请日：2012-11-05

    申请人： Torsten Balduf ,  Gunther Bub ,  Jurgen Mosler ,  Andreas Sabbagh ,  Jurgen Kohn ,  Arndt Selbach

    发明人： Torsten Balduf ,  Gunther Bub ,  Jurgen Mosler ,  Andreas Sabbagh ,  Jurgen Kohn ,  Arndt Selbach

    IPC分类号： C08F220/06 ,  C08L33/02

    CPC分类号： C08J3/00 ,  C07C51/43 ,  C07C57/04

    摘要： The invention relates to producing a superabsorbent polymer comprising (I) producing a (meth)acrylic acid comprising the steps of (a) synthesizing a crude (meth)acrylic acid phase; (b) distillatively working-up the crude (meth)acrylic acid phase to obtain a (meth)acrylic acid phase and a dimer phase comprising (meth)acrylic acid dimers and/or (meth)acrylic acid oligomers; (c) splitting at least a part of the (meth)acrylic acid dimers or of the (meth)acrylic acid oligomers or both from the dimer phase to obtain a (meth)acrylic acid-comprising a low boiling phase and a high boiling phase comprising less (meth)acrylic acid than the low boiling phase; (d) separating at least a part of the (meth)acrylic acid from the low boiling phase by forming crystals to obtain a pure (meth)acrylic acid, and a residue; (II) polymerizing a monomer phase comprising the pure (meth)acrylic acid to obtain a polymer phase; and (III) working-up the polymer phase to obtain the polymer.

    摘要翻译： 本发明涉及制备超吸收性聚合物，其包括（I）生产（甲基）丙烯酸，其包括以下步骤：（a）合成粗制（甲基）丙烯酸相; （b）蒸馏处理粗（甲基）丙烯酸相以获得（甲基）丙烯酸相和包含（甲基）丙烯酸二聚体和/或（甲基）丙烯酸低聚物的二聚体相; （c）从二聚体相分解至少一部分（甲基）丙烯酸二聚体或（甲基）丙烯酸低聚物或两者，得到包含低沸点相和高沸点相的（甲基）丙烯酸 包括比低沸点相少的（甲基）丙烯酸; （d）通过形成晶体从低沸点相分离出至少一部分（甲基）丙烯酸，得到纯的（甲基）丙烯酸和残余物; （II）使包含纯（甲基）丙烯酸的单体相聚合以获得聚合物相; 和（III）加工聚合物相以获得聚合物。

    Process for Production of (Meth)Acrylic Acid with High Boiling Fraction Work-Up By Means of Crystallization
    9.
    发明申请
    Process for Production of (Meth)Acrylic Acid with High Boiling Fraction Work-Up By Means of Crystallization 有权
    通过结晶法生产具有高沸点馏分的（甲基）丙烯酸的方法

    公开(公告)号：US20080287616A1

    公开(公告)日：2008-11-20

    申请号：US12063949

    申请日：2006-08-11

    申请人： Torsten Balduf ,  Gunther Bub ,  Jurgen Mosler ,  Andreas Sabbagh ,  Jurgen Kohn ,  Arndt Selbach

    发明人： Torsten Balduf ,  Gunther Bub ,  Jurgen Mosler ,  Andreas Sabbagh ,  Jurgen Kohn ,  Arndt Selbach

    IPC分类号： C08F120/06 ,  C08F2/00 ,  B01J19/00 ,  C07C51/44

    CPC分类号： C08J3/00 ,  C07C51/43 ,  C07C57/04

    摘要： A process for production of (meth)acrylic acid is disclosed. The process includes synthesizing and distillatively working-up a crude (meth)acrylic acid phase to obtain a (meth)acrylic acid phase and a dimer phase including (meth)acrylic acid dimers and/or (meth)acrylic acid oligomers. At least a part of the (meth)acrylic acid dimers and/or of the (meth)acrylic acid oligomers from the dimer phase is split to obtain a (meth)acrylic acid including a low-boiling phase and a high-boiling phase including less (meth)acrylic acid than the low-boiling phase. At least a part of the (meth)acrylic acid from the low-boiling phase is separated by forming of one or more crystals to obtain a pure (meth)acrylic acid and a residue. Also disclosed is a device for production of (meth)acrylic acid, a process for production of a polymer as well as chemical products based on or including (meth)acrylic acid or a polymer as well as the use of (meth)acrylic acid or polymers in chemical products.

    摘要翻译： 公开了（甲基）丙烯酸的生产方法。 该方法包括合成和蒸馏处理粗（甲基）丙烯酸相以获得（甲基）丙烯酸相和包含（甲基）丙烯酸二聚体和/或（甲基）丙烯酸低聚物的二聚体相。 （甲基）丙烯酸二聚体和/或来自二聚体相的（甲基）丙烯酸低聚物的至少一部分被分裂，得到包含低沸点相和高沸点相的（甲基）丙烯酸，包括 （甲基）丙烯酸低于低沸点相。 通过形成一种或多种晶体将至少一部分来自低沸点相的（甲基）丙烯酸分离，得到纯的（甲基）丙烯酸和残余物。 还公开了用于生产（甲基）丙烯酸的装置，聚合物的制造方法以及基于（或）（甲基）丙烯酸或聚合物的化学产品，以及使用（甲基）丙烯酸或 化学产品中的聚合物。

    Process for the production of acrylic acid
    10.
    发明申请
    Process for the production of acrylic acid 有权
    丙烯酸生产工艺

    公开(公告)号：US20050171380A1

    公开(公告)日：2005-08-04

    申请号：US10498852

    申请日：2002-12-13

    申请人： Gunther Bub ,  Jurgen Mosler ,  Dietrich Maschmeyer ,  Andreas Sabbagh ,  Roland Fornika ,  Matthias Peuckert

    发明人： Gunther Bub ,  Jurgen Mosler ,  Dietrich Maschmeyer ,  Andreas Sabbagh ,  Roland Fornika ,  Matthias Peuckert

    IPC分类号： B01J23/30 ,  B01J8/04 ,  B01J23/88 ,  B01J35/04 ,  C07B61/00 ,  C07C51/235 ,  C07C51/25 ,  C07C51/48 ,  C07C57/055 ,  C07C51/16

    CPC分类号： C07C51/252 ,  C07C57/04

    摘要： The present invention relates to a process for the production of acrylic acid (AA) comprising the steps wherein: a) a 1st gas mixture comprising propylene, oxygen, an inert gas and steam is subjected to a 1st catalytic oxidation reaction stage thereby converting the propylene in the presence of a catalyst mainly into acrolein being contained in a 2nd gas mixture from said 1st catalytic oxidation reaction, b) said 2nd gas mixture from the 1st catalytic oxidation reaction stage is subjected to a 2nd catalytic oxidation reaction stage thereby converting the acrolein in the presence of a catalyst mainly into AA, being contained in a product gas, c) said product gas is subjected to a quench tower, wherein said AA is recovered as an aqueous solution comprising said AA being contained in the process water, wherein a process vent gas is obtained at the top of said quench tower, wherein, said 1st gas mixture has a steam/propylene ratio of >0.3 and

    摘要翻译： 本发明涉及一种生产丙烯酸（AA）的方法，包括以下步骤：a）将包含丙烯，氧气，惰性气体和蒸汽的第一气体混合物进行第一催化氧化反应阶段，由此将丙烯 在主催化剂存在下，由所述第一催化氧化反应产生的第二气体混合物中含有丙烯醛，b）将来自第一催化氧化反应阶段的所述第二气体混合物进行第二催化氧化反应阶段，由此将丙烯醛转化为 催化剂主要以AA形式存在于产物气体中，c）将所述产物气体进行骤冷塔，其中所述AA作为包含所述AA的水溶液被回收，所述水溶液包含在所述工艺用水中， 在所述骤冷塔的顶部获得排出气体，其中所述第一气体混合物具有> 0.3和<2的蒸汽/丙烯比，并且所述处理水的量为 s或等于从骤冷塔抽出的所述水溶液中的水量。