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    Methods of producing water-soluble, non-turbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer
    2.
    发明授权
    Methods of producing water-soluble, non-turbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer 有权
    制备至少一种水溶性N-乙烯基内酰胺和至少一种疏水性共聚单体的水溶性，非混浊共聚物的方法

    公开(公告)号：US07629425B2

    公开(公告)日：2009-12-08

    申请号：US11947223

    申请日：2007-11-29

    申请人： Rainer Dobrawa ,  Ralf Widmaier ,  Klaus Schnell ,  Karl-Hermann Strube ,  Jürgen Nieberle ,  Reinhold Dieing ,  Bernd de Potzolli ,  Andreas Gruber ,  Ulrich Filges ,  Martin Meister ,  Josef Neutzner ,  Wolfgang Bouquet ,  Eberhard Schupp

    发明人： Rainer Dobrawa ,  Ralf Widmaier ,  Klaus Schnell ,  Karl-Hermann Strube ,  Jürgen Nieberle ,  Reinhold Dieing ,  Bernd de Potzolli ,  Andreas Gruber ,  Ulrich Filges ,  Martin Meister ,  Josef Neutzner ,  Wolfgang Bouquet ,  Eberhard Schupp

    IPC分类号： C08F26/10

    CPC分类号： C08F2/06

    摘要： Methods of producing vinyllactam copolymers which include: providing at least one water-soluble N-vinyllactam; providing at least one hydrophobic comonomer; and subjecting the at least one water-soluble N-vinyllactam and the at least one hydrophobic comonomer to free-radical polymerization in an organic solvent in the presence of an initiator, under a combination of process measures selected from the group consisting of A and B; wherein: (A) comprises (i) polymerization under reflux, and at least two of (ii), (iii), (iv), (v), (vi), and (vii), wherein (ii) comprises an addition of at least 5 mol % of N-vinyllactam to the polymerization mixture if at least 70 mol % of the total amount of hydrophobic monomer used have completely reacted, (iii) comprises return of condensate formed in the reflux from below to the polymerization mixture, (iv) comprises introduction of the initiator in the form of a solution in an organic solvent from below into the polymerization mixture, (v) comprises addition of N-vinyllactam to the reflux, (vi) comprises distilling off a portion of the organic solvent and continuing the polymerization following conversion of 70 to 99% by weight of the N-vinyllactam used, and (vii) comprises introduction of at least one monomer from below into the polymerization mixture; and wherein (B) comprises (viii) polymerization under a superatmospheric pressure such that vaporization of the polymerization components is avoided, and at least one of (i), (ii), (iii), (iv), (v), (vi), and (vii), with the proviso that a combination of (viii) with any of (i), (iii) or (v) is carried out sequentially.

    摘要翻译： 制备乙烯基内酰胺共聚物的方法包括：提供至少一种水溶性N-乙烯基内酰胺; 提供至少一种疏水性共聚单体; 以及在引发剂存在下，使所述至少一种水溶性N-乙烯基内酰胺和所述至少一种疏水性共聚单体在有机溶剂中进行自由基聚合，所述方法选自A和B ; 其中：（A）包括（i）在回流下聚合，和（ii），（iii），（iv），（v），（vi）和（vii）中的至少两个，其中（ii） 的至少5摩尔％的N-乙烯基内酰胺加入到聚合混合物中，如果使用的疏水性单体总量的至少70摩尔％已经完全反应，（iii）包括将从回流中形成的缩合物返回到聚合混合物中， （iv）包括将引发剂以有机溶剂形式从有机溶剂中引入聚合混合物中，（v）包括向回流物中加入N-乙烯基内酰胺，（vi）包括蒸馏除去一部分有机溶剂 并且在所使用的N-乙烯基内酰胺的70至99重量％的转化后继续聚合，和（vii）包括将下述至少一种单体引入聚合混合物中; （ⅰ），（ⅱ），（ⅲ），（ⅳ），（ⅴ），（Ⅴ），（Ⅴ），（Ⅳ），（Ⅳ）， vi）和（vii），条件是（viii）与（i），（iii）或（v）中任何一个的组合依次进行。

    METHODS OF PRODUCING WATER-SOLUBLE, NON-TURBID COPOLYMERS OF AT LEAST ONE WATER-SOLUBLE N-VINYLLACTAM AND AT LEAST ONE HYDROPHOBIC COMONOMER
    3.
    发明申请
    METHODS OF PRODUCING WATER-SOLUBLE, NON-TURBID COPOLYMERS OF AT LEAST ONE WATER-SOLUBLE N-VINYLLACTAM AND AT LEAST ONE HYDROPHOBIC COMONOMER 有权
    生产水溶性方法，至少一种水溶性N-乙烯基甲酰胺和至少一种疏水性共聚物的非涡轮共聚物

    公开(公告)号：US20080125554A1

    公开(公告)日：2008-05-29

    申请号：US11947223

    申请日：2007-11-29

    申请人： Rainer Dobrawa ,  Ralf Widmaier ,  Klaus Schnell ,  Karl-Hermann Strube ,  Jurgen Nieberle ,  Reinhold Dieing ,  Bernd de Potzolli ,  Andreas Gruber ,  Ulrich Filges ,  Martin Meister ,  Josef Neutzner ,  Wolfgang Bouquet ,  Eberhard Schupp

    发明人： Rainer Dobrawa ,  Ralf Widmaier ,  Klaus Schnell ,  Karl-Hermann Strube ,  Jurgen Nieberle ,  Reinhold Dieing ,  Bernd de Potzolli ,  Andreas Gruber ,  Ulrich Filges ,  Martin Meister ,  Josef Neutzner ,  Wolfgang Bouquet ,  Eberhard Schupp

    IPC分类号： C08F4/36

    CPC分类号： C08F2/06

    摘要： Methods of producing vinyllactam copolymers which include: providing at least one water-soluble N-vinyllactam; providing at least one hydrophobic comonomer; and subjecting the at least one water-soluble N-vinyllactam and the at least one hydrophobic comonomer to free-radical polymerization in an organic solvent in the presence of an initiator, under a combination of process measures selected from the group consisting of A and B; wherein:(A) comprises (i) polymerization under reflux, and at least two of (ii), (iii), (iv), (v), (vi), and (vii), wherein (ii) comprises an addition of at least 5 mol % of N-vinyllactam to the polymerization mixture if at least 70 mol % of the total amount of hydrophobic monomer used have completely reacted, (iii) comprises return of condensate formed in the reflux from below to the polymerization mixture, (iv) comprises introduction of the initiator in the form of a solution in an organic solvent from below into the polymerization mixture, (v) comprises addition of N-vinyllactam to the reflux, (vi) comprises distilling off a portion of the organic solvent and continuing the polymerization following conversion of 70 to 99% by weight of the N-vinyllactam used, and (vii) comprises introduction of at least one monomer from below into the polymerization mixture; and wherein(B) comprises (viii) polymerization under a superatmospheric pressure such that vaporization of the polymerization components is avoided, and at least one of (i), (ii), (iii), (iv), (v), (vi), and (vii), with the proviso that a combination of (viii) with any of (i), (iii) or (v) is carried out sequentially.

    摘要翻译： 制备乙烯基内酰胺共聚物的方法包括：提供至少一种水溶性N-乙烯基内酰胺; 提供至少一种疏水性共聚单体; 以及在引发剂存在下，使所述至少一种水溶性N-乙烯基内酰胺和所述至少一种疏水性共聚单体在有机溶剂中进行自由基聚合，所述方法选自A和B ; 其中：（A）包括（i）在回流下聚合，和（ii），（iii），（iv），（v），（vi）和（vii）中的至少两个，其中（ii） 的至少5摩尔％的N-乙烯基内酰胺加入到聚合混合物中，如果使用的疏水性单体总量的至少70摩尔％已经完全反应，（iii）包括将从回流中形成的缩合物返回到聚合混合物中， （iv）包括将引发剂以有机溶剂形式从有机溶剂中引入聚合混合物中，（v）包括向回流物中加入N-乙烯基内酰胺，（vi）包括蒸馏除去一部分有机溶剂 并且在所使用的N-乙烯基内酰胺的70至99重量％的转化后继续聚合，和（vii）包括将下述至少一种单体引入聚合混合物中; （ⅰ），（ⅱ），（ⅲ），（ⅳ），（ⅴ），（Ⅴ），（Ⅴ），（Ⅳ），（Ⅳ）， vi）和（vii），条件是（viii）与（i），（iii）或（v）中任何一个的组合依次进行。

    Aqueous slurries of finely divided fillers, their preparation and their use for the production of filler-containing papers
    7.
    发明申请
    Aqueous slurries of finely divided fillers, their preparation and their use for the production of filler-containing papers 有权
    精细分散的填料的水性浆料，它们的制备及其用于生产含填料的纸的用途

    公开(公告)号：US20050197278A1

    公开(公告)日：2005-09-08

    申请号：US11082904

    申请日：2005-03-18

    申请人： Anton Esser ,  Volker Braig ,  Martin Wendker ,  Rainer Blum ,  Peter Baumann ,  Josef Neutzner ,  Jacques Dupuis ,  Hans-Joachim Haehnle

    发明人： Anton Esser ,  Volker Braig ,  Martin Wendker ,  Rainer Blum ,  Peter Baumann ,  Josef Neutzner ,  Jacques Dupuis ,  Hans-Joachim Haehnle

    IPC分类号： C09C1/02 ,  C09C1/42 ,  C09C3/10 ,  C11D17/00 ,  D21H17/37 ,  D21H17/41 ,  D21H17/67 ,  D21H17/69

    CPC分类号： C09C1/021 ,  C01P2004/61 ,  C01P2006/14 ,  C09C1/42 ,  C09C3/10 ,  D21H17/37 ,  D21H17/375 ,  D21H17/41 ,  D21H17/675 ,  D21H17/69

    摘要： Aqueous slurries of finely divided fillers which are at least partly coated with polymers and which are obtainable by treating aqueous slurries of finely divided fillers with at least one water-soluble amphoteric copolymer which is obtainable by copolymerization of (a) at least one N-vinylcarboxamide of the formula  where R1 and R2 are H or C1- to C6-alkyl, (b) at least one monoethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms in the molecule and/or the alkali metal, alkaline earth metal or ammonium salts thereof and, if required, (c) other monoethylenically unsaturated monomers which are free of nitrile groups and, if required, (d) compounds which have at least two ethylenically unsaturated double bonds in the molecule and subsequent partial or complete elimination of the groups —CO—R1 from the monomers III incorporated in the form of polymerized units in the copolymer are used as an additive to the paper stock in the production of filler-containing paper, filler-containing cardboard or filler-containing board by draining of the paper stock.

    摘要翻译： 至少部分涂覆有聚合物的细分散填料的水性浆料，其可通过用至少一种水溶性两性共聚物处理细分散填料的水性浆料而获得，所述水溶性两性共聚物可通过（a）至少一种N-乙烯基甲酰胺 其中R 1和R 2均为H或C 1至C 6 - 烷基，（ b）分子中具有3-8个碳原子的至少一种单烯属不饱和羧酸和/或其碱金属，碱土金属或铵盐，如果需要，（c）不含腈基的其它单烯属不饱和单体 并且如果需要，（d）在分子中具有至少两个烯键式不饱和双键的化合物以及随后部分或完全从形式的所述单体III中部分或完全消除基团-CO-R 1 的共聚物中的聚合单元用作纸料i的添加剂 n通过排干纸料来生产含填料的纸，含填料​​的纸板或含填料的板。

    METHOD FOR PRODUCING HIGH DRY STRENGTH PAPER, PAPERBOARD OR CARDBOARD
    9.
    发明申请
    METHOD FOR PRODUCING HIGH DRY STRENGTH PAPER, PAPERBOARD OR CARDBOARD 有权
    生产高强度纸张，纸板或纸板的方法

    公开(公告)号：US20090145566A1

    公开(公告)日：2009-06-11

    申请号：US11719826

    申请日：2005-11-21

    申请人： Anton Esser ,  Hans-Joachim Hahnle ,  Martin Rubenacker ,  Norbert Schall ,  Jacques Dupuis ,  Josef Neutzner ,  Manfred Niessner ,  Berthold Sturm

    发明人： Anton Esser ,  Hans-Joachim Hahnle ,  Martin Rubenacker ,  Norbert Schall ,  Jacques Dupuis ,  Josef Neutzner ,  Manfred Niessner ,  Berthold Sturm

    IPC分类号： D21H17/34

    CPC分类号： D21H21/18 ,  D21H17/37 ,  D21H17/55 ,  D21H17/56

    摘要： The invention relates to a process for producing paper, board and cardboard of high dry strength by separately adding a polymer comprising vinylamine units and a polymeric anionic compound to a paper pulp, dewatering the pulp and drying the paper products, which comprises using as polymeric anionic compound at least one copolymer obtainable by copolymerizing (a) at least one N-vinylcarboxamide of the formula in which R1 and R2 are H or C1- to C6 alkyl, (b) at least one monoethylenically unsaturated monomer comprising acid groups, and/or the alkali metal, alkaline earth metal or ammonium salts thereof, and if appropriate (c) other monoethylenically unsaturated monomers, and if appropriate (d) compounds having at least two ethylenically unsaturated double bonds in their molecule.

    摘要翻译： 本发明涉及通过将包含乙烯胺单元和聚合阴离子化合物的聚合物分别加入到纸浆中，使纸浆脱水和干燥纸产品来生产高干燥强度的纸，纸板和纸板的方法，其包括使用聚合阴离子 通过共聚合（a）至少一种下式的N-乙烯基甲酰胺，其中R 1和R 2是H或C 1 -C 6烷基，（b）至少一种包含酸基的单烯属不饱和单体和/或 （c）其它单烯属不饱和单体，如果合适的话（d）在其分子中具有至少两个烯属不饱和双键的化合物。