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    Water-swellable hydrophilic polymers
    3.
    发明授权
    Water-swellable hydrophilic polymers 失效
    水溶胀性亲水聚合物

    公开(公告)号：US5594083A

    公开(公告)日：1997-01-14

    申请号：US408534

    申请日：1995-03-22

    申请人： R udiger Funk ,  Fritz Engelhardt ,  Ulrich Riegel ,  Michael Wessling

    发明人： R udiger Funk ,  Fritz Engelhardt ,  Ulrich Riegel ,  Michael Wessling

    IPC分类号： A61L15/24 ,  A61L15/60 ,  C08F4/04 ,  C08F4/32 ,  C08F4/36 ,  C08F20/04 ,  C08F251/00 ,  C08F283/06 ,  C08F20/58

    CPC分类号： C08F283/06 ,  A61L15/24 ,  A61L15/60 ,  C08F20/04 ,  C08F251/00 ,  C08F4/36

    摘要： Water-swellable hydrophilic polymers which contain polymers prepared by free radical (co)polymerization of one or more hydrophilic monomers of the formula I ##STR1## wherein R.sup.1 is hydrogen, methyl or ethyl,R.sup.2 is the group --COOR.sup.4, the sulphonyl group, the phosphonyl group, the phosphonyl group esterified by (C.sub.1 -C.sub.4)-alkanol or a group of the formula ##STR2## R.sup.3 is hydrogen, methyl, ethyl or the carboxyl group, R.sup.4 is hydrogen, amino or hydroxy-(C.sub.1 -C.sub.4)-alkyl andR.sup.5 is the sulphonyl group, the phosphonyl group or the carboxyl group, or grafting (co)polymerization of one or more hydrophilic monomers of the formula I onto a grafting base, using a free radical initiator which forms three or more free radical sites per molecule.

    摘要翻译： 水溶胀性亲水性聚合物，其含有通过一种或多种式I的亲水性单体（I）的自由基（共）聚合制备的聚合物，其中R 1是氢，甲基或乙基，R 2是基团-COOR 4，磺酰基 （C 1 -C 4） - 烷醇酯化的膦酰基或式（R 3）的基团是氢，甲基，乙基或羧基，R 4是氢，氨基或羟基 - （C 1 -C 4） C4） - 烷基，R5是磺酰基，膦酰基或羧基，或者将一种或多种式I的亲水性单体接枝（共）聚合到接枝基上，使用形成三个或更多个的自由基引发剂 每个分子的自由基位点。

    Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones
    4.
    发明授权
    Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones 有权
    用双 - 和多 - 2-恶唑烷酮交联水凝胶的方法

    公开(公告)号：US06472478B1

    公开(公告)日：2002-10-29

    申请号：US09601349

    申请日：2000-08-18

    申请人： Rüdiger Funk ,  Volker Frenz ,  Ulrich Riegel ,  Matthias Weismantel ,  Fritz Engelhardt ,  Thomas Daniel

    发明人： Rüdiger Funk ,  Volker Frenz ,  Ulrich Riegel ,  Matthias Weismantel ,  Fritz Engelhardt ,  Thomas Daniel

    IPC分类号： C08F830

    CPC分类号： A61L15/60 ,  C08F8/30 ,  Y10S524/916 ,  Y10T442/699

    摘要： The invention relates to a process for the gel or surface postcrosslinking of water-absorbing polymers in which the polymers are treated with a surface postcrosslinking solution and during or after the treatment are postcrosslinked and dried by means of an increase in temperature, the crosslinker being a compound of the formula in which R1 and R2 independently of one another are H, hydroxyl, phenyl or C1-C6-alkyl, R3 is hydrogen, C1-C12-alkyl, C1-C12-alkenyl or C6-C12-aryl and R4 and R5 independently of one another are C1-C12-alkyl, C1-C12-alkenyl, C6-C12-aryl, hydroxyl, C1-C12-alkoxy or hydrogen, dissolved in an inert solvent, to water-absorbing polymers which can be obtained by said process, and to their use in hygiene articles, packaging materials and nonwovens.

    摘要翻译： 本发明涉及一种吸水聚合物的凝胶或表面后交联方法，其中聚合物用表面后交联溶液处理，并且在处理之间或之后，通过温度升高进行后交联和干燥，交联剂为 R 1和R 2彼此独立地是H，羟基，苯基或C 1 -C 6烷基的化合物，R 3是氢，C 1 -C 12 - 烷基，C 1 -C 12 - 烯基或C 6 -C 12 - 芳基，R 4和R 5 彼此独立地是溶解在惰性溶剂中的C 1 -C 12烷基，C 1 -C 12 - 烯基，C 6 -C 12 - 芳基，羟基，C 1 -C 12 - 烷氧基或氢，可以通过所述 过程，以及它们在卫生用品，包装材料和无纺布中的应用。

    Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones
    6.
    发明授权
    Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones 失效
    水凝胶与N-酰基-2-恶唑烷酮二次交联的方法

    公开(公告)号：US06559239B1

    公开(公告)日：2003-05-06

    申请号：US09831920

    申请日：2001-05-29

    申请人： Ulrich Riegel ,  Matthias Weismantel ,  Volker Frenz ,  Thomas Daniel ,  Fritz Engelhardt

    发明人： Ulrich Riegel ,  Matthias Weismantel ,  Volker Frenz ,  Thomas Daniel ,  Fritz Engelhardt

    IPC分类号： C08F830

    CPC分类号： C08F8/30 ,  C08J3/245 ,  C08J2300/14 ,  C08J2333/02 ,  C08F220/06

    摘要： Liquid-absorbent polymers are prepared by a process for the gel and/or surface postcrosslinking of water-absorbent polymers by the polymer being treated with a surface postcrosslinking solution and being postcrosslinked and dried during and after the treatment by raising the temperature, wherein the surface postcrosslinking solution comprises as crosslinker a compound of the formula I where R1, R2, R3 and R4 are independently hydrogen, C1-C12-alkyl, C1-C12-alkenyl, C6-C12-aryl or C1-C12-alkoxy, R5 is C1-C16-alkyl, C1-C4-hydroxyalkyl, C6-C12-aryl, C1-C16-alkenyl or a group of the formula —(CH2)n—COOH or —(CH2)n—SO3H in the form of the acid or a respective metal salt, ammonium salt or triethanolammonium salt thereof or —(CH2—CH2—O—)m—R6, R6 is hydrogen or C1-C16-alkyl, n is from 1 to 10, m is from 1 to 20 dissolved in an inert solvent, and are used in hygiene articles, packaging materials and nonwovens.

    摘要翻译： 通过用表面后交联溶液处理的聚合物进行凝胶和/或表面后吸附吸水性聚合物的方法制备液体吸收聚合物，并且在处理之间和之后通过升高温度进行后交联和干燥，其中表面 后交联溶液包含作为交联剂的式I化合物，其中R 1，R 2，R 3和R 4独立地是氢，C 1 -C 12 - 烷基，C 1 -C 12 - 烯基，C 6 -C 12 - 芳基或C 1 -C 12 - 烷氧基，R 5是C 1 -C 16 - 烷基，C 1 -C 4 - 羟基烷基，C 6 -C 12 - 芳基，C 1 -C 16 - 烯基或式 - （CH 2）n -COOH或 - （CH 2）n -SO 3 H的基团，其形式为酸或相应的 金属盐，铵盐或三乙醇铵盐或 - （CH 2 -CH 2 -O-）m -R 6，R 6是氢或C 1 -C 16 - 烷基，n为1至10，m为1至20，溶于惰性溶剂 ，用于卫生用品，包装材料和无纺布。

    Water-soluble copolymers useful in drilling fluids
    8.
    发明授权
    Water-soluble copolymers useful in drilling fluids 失效
    用于钻井液的水溶性共聚物

    公开(公告)号：US5510436A

    公开(公告)日：1996-04-23

    申请号：US260037

    申请日：1994-06-15

    申请人： Martin Hille ,  Heinz Wittkus ,  Jurgen Tonhauser ,  Fritz Engelhardt ,  Ulrich Riegel

    发明人： Martin Hille ,  Heinz Wittkus ,  Jurgen Tonhauser ,  Fritz Engelhardt ,  Ulrich Riegel

    IPC分类号： C04B24/16 ,  C08F20/52 ,  C08F26/02 ,  C08F26/10 ,  C08F220/58 ,  C08F226/04 ,  C08F226/10 ,  C08L33/24 ,  C08L33/26 ,  C08L39/00 ,  C08L39/02 ,  C09D17/00 ,  C09K8/04 ,  C09K8/24 ,  C09K8/46 ,  C09K8/487 ,  C08F228/02

    CPC分类号： C04B24/163 ,  C04B24/16 ,  C04B24/2652 ,  C08F220/58 ,  C08F226/04 ,  C09D17/001 ,  C09K8/24 ,  C09K8/46 ,  C09K8/487

    摘要： The water-soluble copolymer comprises 5-90% by weight of groups of the formula ##STR1## in which R.sup.1 is hydrogen or methyl, R.sup.2 is C.sub.2 -C.sub.10 -alkylene, and Me is ammonium or an alkali metal, 5-90% by weight of groups of the formula--CH.dbd.CH--CH.sub.2 --N.sup.+ R.sup.3 R.sup.4 --CH.sub.2 --CH.dbd.CH-- X.sup.- IIin which X is a halogen, R.sup.3 and R.sup.4, independently of one another, are C.sub.1 -C.sub.6 -alkyl, 0-60% by weight of groups of the formula ##STR2## in which R.sup.5 and R.sup.6 together are a propylene group which with inclusion of the radical ##STR3## forms a pyrrolidone radical, and 0-30% by weight of groups of the formula--CHR.sup.7 --CHR.sup.8 -- IVin which R.sup.7 is hydrogen or methyl and R.sup.8 is CONH.sub.2, CON(CH.sub.3).sub.2, cyano, SO.sub.3 H, SO.sub.3 Me, C.sub.6 H.sub.4 SO.sub.3 H, C.sub.6 H.sub.4 SO.sub.3 Me, CH.sub.2 SO.sub.3 H, CH.sub.2 SO.sub.3 Me, COOH, COOMe, or carboxy-C.sub.1 -C.sub.15 --alkyl, and Me is an ammonium cation or an alkali metal cation, and the order of components I to IV can be as desired.The copolymer is used as water-binding additive for suspensions of solids, preferably for cement slurries, gypsum slurries, mortars, drilling muds or pigment suspensions, or as water-binding additive for aqueous salt solutions.

    摘要翻译： 水溶性共聚物包含5-90重量％的式I的基团，其中R 1是氢或甲基，R 2是C 2 -C 10 - 亚烷基，Me是铵或碱金属，5-90％ 的式-CH = CH-CH 2 -N + R 3 -CH 4 -CH = CH-X-II的基团，其中X是卤素，R 3和R 4彼此独立地是C 1 -C 6 - 烷基， 0-60重量％的其中R 5和R 6一起是含有基团“IMAGE”的丙烯基团的式“IMAGE”III形成吡咯烷酮基团，和0-30重量％的 其中R 7是氢或甲基，R 8是CONH 2，CON（CH 3）2，氰基，SO 3 H，SO 3 Me，C 6 H 4 SO 3 H，C 6 H 4 SO 3 Me，CH 2 SO 3 H，CH 2 SO 3 Me，COOH，COOMe或羧基-C 1 -C 15 - 烷基，Me是铵阳离子或碱金属阳离子，组分I至IV的顺序可以根据需要进行。 该共聚物用作固体悬浮液的水结合添加剂，优选用于水泥浆料，石膏浆料，砂浆，钻井泥浆或颜料悬浮液，或作为盐水溶液的水结合添加剂。

    Water-swellable hydrophilic polymers
    10.
    发明授权
    Water-swellable hydrophilic polymers 失效
    水溶胀性亲水聚合物

    公开(公告)号：US5684104A

    公开(公告)日：1997-11-04

    申请号：US687005

    申请日：1996-07-18

    申请人： Rudiger Funk ,  Fritz Engelhardt ,  Ulrich Riegel ,  Michael Wessling

    发明人： Rudiger Funk ,  Fritz Engelhardt ,  Ulrich Riegel ,  Michael Wessling

    IPC分类号： A61L15/24 ,  A61L15/60 ,  C08F4/04 ,  C08F4/32 ,  C08F4/36 ,  C08F20/04 ,  C08F251/00 ,  C08F283/06 ,  C08F20/58

    CPC分类号： C08F283/06 ,  A61L15/24 ,  A61L15/60 ,  C08F20/04 ,  C08F251/00 ,  C08F4/36

    摘要： Method for avoiding network defects due to unwanted secondary reactions during the polymerization in water-swellable hydrophilic polymers which contain polymers prepared by free radical (co)polymerization of one or more hydrophilic monomers of the formula I ##STR1## wherein R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 is the group --COOR.sup.4, the sulphonyl group, the phosphonyl group, the phosphonyl group-esterified by (C.sub.1 -C.sub.4)-alkanol or a group of the formula ##STR2## R.sup.3 is hydrogen, methyl, ethyl or the carboxyl group, R.sup.4 is hydrogen, amino or hydroxy-(C.sub.1 -C.sub.4)-alkyl and R.sup.5 is the sulphonyl group, the phosphonyl group or the carboxyl group, or grafting (co)polymerization of one or more hydrophilic monomers of the formula I onto a grafting base, using a free radical initiator which forms three or more free radical sites per molecule.

    摘要翻译： 在水溶胀性亲水性聚合物中避免由于在聚合期间不期望的二次反应引起的网络缺陷的方法，其含有通过一种或多种式I的亲水性单体的自由基（共）聚合制备的聚合物，其中R 1是氢，甲基或 乙基，R 2为-COOR 4基团，磺酰基，膦酰基，被（C 1 -C 4） - 烷醇酯化的膦酰基或下式的基团是氢，甲基，乙基或羧基 ，R4是氢，氨基或羟基 - （C1-C4） - 烷基，R5是磺酰基，膦酰基或羧基，或一种或多种式I的亲水性单体接枝（共）聚合到接枝上 碱，使用每分子形成三个或更多个自由基位点的自由基引发剂。