Postcrosslining of Water Absorbing Polymers With Cyclic Carbamates and/or Cyclic Ureas
    52.
    发明申请
    Postcrosslining of Water Absorbing Polymers With Cyclic Carbamates and/or Cyclic Ureas 有权
    具有循环氨基甲酸酯和/或环状尿素的吸水性聚合物的交联

    公开(公告)号:US20080171837A1

    公开(公告)日:2008-07-17

    申请号:US11630949

    申请日:2005-07-28

    IPC分类号: C08G69/48

    CPC分类号: A61L15/60

    摘要: Disclosed is a process for postcrosslinking a water absorbing polymer by the polymer being treated with at least one postcrosslinker and postcrosslinked and dried during or after the treatment by raising the temperature, the at least one postcrosslinker being a cyclic carbamate or a cyclic urea, wherein the cyclic carbamate or the cyclic urea was obtained by reacting respectively an aminoalcohol or a diamine with a cyclic carbonate.

    摘要翻译: 公开了一种通过用至少一种后交联剂处理的聚合物后交联吸水聚合物的方法,并且在处理期间或之后通过升高温度进行后交联和干燥,所述至少一种后交联剂是环状氨基甲酸酯或环脲,其中 通过使氨基醇或二胺与环状碳酸酯反应,得到环状氨基甲酸酯或环状脲。

    Method for the secondary crosslinking of hydrogels with bicyclic amide acetals
    53.
    发明申请
    Method for the secondary crosslinking of hydrogels with bicyclic amide acetals 失效
    水凝胶与双环酰胺缩醛二次交联的方法

    公开(公告)号:US20060211828A1

    公开(公告)日:2006-09-21

    申请号:US10565050

    申请日:2004-07-07

    IPC分类号: C08F120/10

    摘要: A process for postcrosslinking a water-absorbing polymer comprises said polymer being treated with a postcrosslinker and, during or after said treating, being postcrosslinked and dried by temperature elevation, said postcrosslinker being a compound of the formula I where R1, R2, R3, R4, R5, R6, R7, R8 and R9 are each independently hydrogen, C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl, wherein C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl may be halogen substituted. The liquid-absorbing polymers are useful in hygiene articles and packaging materials.

    摘要翻译: 用于后吸附聚合物的方法包括用后交联剂处理的所述聚合物,并且在所述处理期间或之后,通过升温后交联并干燥,所述后交联剂是式I的化合物,其中R 1, R 2,R 2,R 3,R 4,R 5,R 6, R S,R 7,R 8和R 9各自独立地为氢,C 1 -C 3 C 12 -C 12 - 烷基,C 2 -C 12 - 烯基或C 6 -C 12 - - 芳基,其中C 1 -C 12 - 烷基,C 2 -C 12 - 烯基或C 1 -C 12 - C 6 -C 12 - 芳基可以是卤素取代的。 液体吸收聚合物可用于卫生制品和包装材料。

    Method for the secondary crosslinking of hydrogels with bicyclic amide acetals
    54.
    发明授权
    Method for the secondary crosslinking of hydrogels with bicyclic amide acetals 失效
    水凝胶与双环酰胺缩醛二次交联的方法

    公开(公告)号:US07754822B2

    公开(公告)日:2010-07-13

    申请号:US10565050

    申请日:2004-07-07

    IPC分类号: C08F8/32

    摘要: A process for postcrosslinking a water-absorbing polymer comprises said polymer being treated with a postcrosslinker and, during or after said treating, being postcrosslinked and dried by temperature elevation, said postcrosslinker being a compound of the formula I where R1, R2, R3, R4, R5, R6, R7, R8 and R9 are each independently hydrogen, C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl, wherein C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl may be halogen substituted. The liquid-absorbing polymers are useful in hygiene articles and packaging materials.

    摘要翻译: 用于后吸附聚合物的方法包括用后交联剂处理的所述聚合物,并且在所述处理期间或之后,通过温度升高进行后交联和干燥,所述后交联剂是式I的化合物,其中R 1,R 2,R 3,R 4 ,R 5,R 6,R 7,R 8和R 9各自独立地为氢,C 1 -C 12 - 烷基,C 2 -C 12 - 烯基或C 6 -C 12 - 芳基,其中C 1 -C 12 - 烷基,C 2 -C 12 - 烯基或C 6 -C 12 - 芳基可以是卤素取代的。 液体吸收聚合物可用于卫生制品和包装材料。

    Method for producing polymers
    56.
    发明申请
    Method for producing polymers 审中-公开
    生产聚合物的方法

    公开(公告)号:US20050245713A1

    公开(公告)日:2005-11-03

    申请号:US10521292

    申请日:2003-07-18

    IPC分类号: C08F20/06 C08F118/02

    CPC分类号: C08F20/06

    摘要: A process for producing sodium acrylate polymers by free-radical polymerization of sodium acrylate with or without other monomers in an aqueous medium, which comprises using sodium acrylate in the form of an aqueous solution or dispersion obtainable by dissolving or dispersing solid sodium acrylate in an aqueous medium. The polymers thus obtainable have an improved color number and a lower residual monomer content than conventional comparable polymers.

    摘要翻译: 一种通过在水性介质中自由基聚合具有或不含其它单体的丙烯酸钠制备丙烯酸钠聚合物的方法,该方法包括使用可通过将固体丙烯酸钠溶解或分散在水溶液或分散体中的水溶液或分散体形式的丙烯酸钠 中。 这样获得的聚合物具有比常规可比较的聚合物更好的颜色数目和更低的残留单体含量。

    COLOR STABLE SUPERABSORBENT
    57.
    发明申请
    COLOR STABLE SUPERABSORBENT 审中-公开
    颜色稳定超级

    公开(公告)号:US20110118114A1

    公开(公告)日:2011-05-19

    申请号:US13054287

    申请日:2009-07-29

    IPC分类号: B01J20/22 C07C313/02

    摘要: Superabsorbents comprising a compound of the formula (I) in which M is a hydrogen atom, an ammonium ion, a monovalent metal ion or one equivalent of a divalent metal ion of groups 1, 2, 8, 9, 10, 12 or 14 of the periodic table of the elements; R1 is OH or NR4R5 where R4 and R5 are each independently H or C1-C6-alkyl; R2 is H or an alkyl, alkenyl, cycloalkyl or aryl group, where this group optionally has 1, 2 or 3 substituents which are each independently selected from C1-C6-alkyl, OH, O—C1-C6-alkyl, halogen and CF3; and R3 is COOM, SO3M, COR4, CONR4R5 or COOR4, where M, R4 and R5 are each as defined above or, when R2 is aryl which is optionally substituted as specified above, are also H, salts thereof or mixtures of such compounds and/or salts thereof, exhibit improved stability to discoloration in the course of storage under elevated temperatures and/or elevated air humidity.

    摘要翻译: 超吸收剂,其包含式(I)的化合物,其中M为氢原子,铵离子,一价金属离子或1当量的第1,2,8,9,10,12或14族的二价金属离子 元素周期表; R1是OH或NR4R5,其中R4和R5各自独立地是H或C1-C6-烷基; R2是H或烷基,烯基,环烷基或芳基,其中该基团任选具有1,2或3个各自独立地选自C 1 -C 6烷基,OH,O-C 1 -C 6 - 烷基,卤素和CF 3的取代基 ; 并且R 3是COOM,SO 3 M,COR 4,CONR 4 R 5或COOR 4,其中M,R 4和R 5各自如上所定义,或当R 2是如上所述任选被取代的芳基时,也是H,其盐或这些化合物的混合物和 /或其盐在升高的温度和/或升高的空气湿度下在储存过程中表现出改善的变色稳定性。

    (Meth)acrylic ester of alkenylene glycols and the use thereof
    58.
    发明授权
    (Meth)acrylic ester of alkenylene glycols and the use thereof 失效
    (甲基)亚烷基二醇的丙烯酸酯及其用途

    公开(公告)号:US07405321B2

    公开(公告)日:2008-07-29

    申请号:US10558996

    申请日:2004-06-04

    CPC分类号: C07C69/54 C07C67/08

    摘要: The present invention relates to novel (meth)acrylic esters of polyalkoxylated glycols of the formula where AO is independently at each instance is —O—CHR3-CHR4- or —CHR3-CHR4-O— where R3 and R4 are independently H, linear or branched C1-C8-alkyl, p1 is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, or 35, p2 is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, or 35, n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 447, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, R1 and R2 are independently H or CH3, wherein there is at least one AO in (AO)p1 and also at least one AO in (AO)p2 where R3 and R4 are not both H at one and the same time, a simplified process for preparing these esters and use of reaction mixtures thus obtainable.

    摘要翻译: 本发明涉及下式的聚烷氧基化二醇的(甲基)丙烯酸酯:其中AO各自独立地为-O-CHR 3 -CHR 4 - 或-CHR 3 -CHR 4 -O-,其中R 3和R 4独立地为H,直链或 支链C 1 -C 8 - 烷基,p 1为1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21 ,22,23,24,25,26,27,28,29,30,31,32,33,34或35中,p2分别为1,2,3,4,5,6,7,8,9,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34或35, 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34, 或35,n为1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23 ,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,447,48 ,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,,71,72,73 ,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98 ,99,100,R 1和R 2独立地为H或CH 3,其中存在至少一个AO (AO)p1和(AO)p2中的至少一个AO,其中R3和R4不同时为一个,一个简单的制备这些酯的方法和使用如此获得的反应混合物。

    Method for Producing Polymers
    59.
    发明申请
    Method for Producing Polymers 失效
    生产聚合物的方法

    公开(公告)号:US20080114140A1

    公开(公告)日:2008-05-15

    申请号:US10586203

    申请日:2005-01-18

    IPC分类号: C08F20/06

    CPC分类号: C08F220/06

    摘要: The invention relates to a method for producing polymers which contain (meth)acrylate salt units by radical polymerization of (meth)acrylate salt and optionally other monomers in an aqueous medium, using a supersaturated aqueous solution of (meth)acrylate salt. The highly concentrated reaction mixtures so obtained are characterized by a high solid content and increased space-time yield.

    摘要翻译: 本发明涉及通过使用(甲基)丙烯酸盐的过饱和水溶液在水性介质中使(甲基)丙烯酸酯盐和任选的其它单体进行自由基聚合,制备含有(甲基)丙烯酸盐盐单元的聚合物的方法。 如此获得的高度浓缩的反应混合物的特征在于高固体含量和增加的时空产率。