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35 条记录 (耗时 0.021 秒)

    Water-soluble copolymers useful in drilling fluids
    11.
    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。

    Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines
    13.
    发明授权
    Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines 有权
    水凝胶与2-氧代四氢-1,3-恶嗪二次交联的方法

    公开(公告)号：US06657015B1

    公开(公告)日：2003-12-02

    申请号：US09831382

    申请日：2001-05-17

    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 crosslinker comprises a compound of the formula I where R1 is hydrogen, C1-C4-alkyl, C1-C4-hydroxyalkyl, trialkylsilyl or acetyl and R2, R2′, R3, R3′, R4, R4′ are each independently hydrogen, C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl, 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对吸水性聚合物进行凝胶和/或表面后交联的方法制备液体吸收性聚合物，并且在处理期间和之后通过升高温度进行后交联和干燥，其中交联剂 包括其中R 1为氢，C 1 -C 4 - 烷基，C 1 -C 4 - 羟基烷基，三烷基甲硅烷基或乙酰基且R 2，R 2'，R 3，R 3'的式I化合物， >，R 4，R 4'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，溶于惰性溶剂中，并用于卫生用品，包装材料 和无纺布。

    Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones
    14.
    发明授权
    Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones 失效
    用双 - 和多 - 2-恶唑烷酮交联水凝胶的方法

    公开(公告)号：US06503979B1

    公开(公告)日：2003-01-07

    申请号：US09622853

    申请日：2000-08-28

    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： C08J3/245 ,  A61L15/60 ,  C08F8/30 ,  C08G73/06 ,  C08J2300/14 ,  Y10S524/916

    摘要： The invention contains a process for the 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 by means of an increase in temperature and are dried, wherein the crossiinker comprises a bis-2-oxazolidinone or a poly-2-oxazolidinone comprising structural units of the formula in which R1 is branched or unbranched C1-C18-alkylene, branched or unbranched C2-C18-alkenylene, C5-C18-cycloalkylene, phenylene, naphthylene, anthracenylene, hydrocarbon-substituted phenylene, naphthylene or anthracenylene or another substituted or unsubstituted C6-C18-arylene radical, R2 is branched or unbranched C1-C18-alkylene and n is an integer from 1 to 50 or a mixture of bis-2-oxazolidinones and poly-2-oxazolidinones dissolved in an inert solvent.

    摘要翻译： 本发明包含用于表面后吸附聚合物的方法，其中聚合物用表面后交联溶液处理，并且在处理期间或之后通过温度升高进行后交联并干燥，其中交联剂包含双 -2-恶唑烷酮或包含结构单元的聚-2-恶唑烷酮，其中R1是支链或非支链C1-C18-亚烷基，支链或非支链C2-C18-亚烯基，C5-C18-亚环烷基，亚苯基，亚萘基，蒽亚基， 烃取代的亚苯基，亚萘基或亚蒽基或其它取代或未取代的C 6 -C 18亚芳基，R 2是支链或非支链的C 1 -C 18 - 亚烷基，n是1至50的整数或双-2-恶唑烷酮和聚 -2-恶唑烷酮溶解在惰性溶剂中。