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    Superabsorbent polymer having delayed free water absorption
    1.
    发明授权
    Superabsorbent polymer having delayed free water absorption 有权
    超吸收性聚合物具有延迟游离吸水性

    公开(公告)号：US07579402B2

    公开(公告)日：2009-08-25

    申请号：US10706569

    申请日：2003-11-12

    申请人： Iqbal Ahmed ,  Angela Marie Jones ,  Scott J. Smith

    发明人： Iqbal Ahmed ,  Angela Marie Jones ,  Scott J. Smith

    IPC分类号： B32B27/30 ,  B32B27/18 ,  C08L33/08

    CPC分类号： A61L15/60 ,  Y10T428/298 ,  Y10T428/2982 ,  Y10T428/31627 ,  Y10T428/3163

    摘要： The present invention is directed to a coated superabsorbent polymer comprising a coated superabsorbent polymer having a delayed free water absorption property of absorbing about 13 grams or less of water per gram of superabsorbent polymer in about 15 seconds. The present invention is directed to a coated superabsorbent polymer having delayed water absorption comprising a) a composition comprising from about 55 to about 99.9 wt. % of polymerizable unsaturated acid group containing monomers; and from about 0.001 to about 5.0 wt. % of internal crosslinking agent; wherein the composition has a degree of neutralization of more than about 20%; and b) a salt coated on the composition.

    摘要翻译： 本发明涉及一种涂覆的超吸收性聚合物，其包含涂覆的超吸收性聚合物，其具有在约15秒内吸收每克超吸收性聚合物约13克或更少的水的延迟游离吸水性。 本发明涉及具有延迟吸水性的涂覆的超吸收性聚合物，其包含：a）包含约55至约99.9重量％ ％的含可聚合不饱和酸基团的单体; 和约0.001至约5.0wt。 ％的内部交联剂; 其中所述组合物具有大于约20％的中和度; 和b）涂覆在组合物上的盐。

    Cellulose material with improved absorbency
    2.
    发明授权
    Cellulose material with improved absorbency 有权
    纤维素材料具有改善的吸收性

    公开(公告)号：US07482058B2

    公开(公告)日：2009-01-27

    申请号：US10923194

    申请日：2004-08-20

    申请人： Iqbal Ahmed ,  Angela Marie Jones ,  Scott J. Smith

    发明人： Iqbal Ahmed ,  Angela Marie Jones ,  Scott J. Smith

    IPC分类号： B32B23/00 ,  C08L31/00 ,  C08L33/00 ,  C08L35/00

    CPC分类号： A61F13/53 ,  A61F2013/530481 ,  A61L15/28 ,  C08B15/00 ,  C08L1/00 ,  Y10T428/29 ,  C08L1/08 ,  C08L2666/02

    摘要： An absorbent cellulose material having an application of superabsorbent polymer adhered to the cellulose material. In particular, the cellulose material has an application of pre-superabsorbent polymer adhered to the material, wherein an aqueous solution of pre-superabsorbent polymer is applied to the cellulose material and converted to superabsorbent polymer upon subjected to heat for a sufficient time. The absorbent cellulose material has a fluid retention of greater then 2 g/g.

    摘要翻译： 一种吸收性纤维素材料，其具有附着在纤维素材料上的超吸收性聚合物的应用。 特别地，纤维素材料具有粘附到材料上的预超吸收性聚合物的应用，其中将预超吸收聚合物的水溶液施加到纤维素材料上，并在受热加热足够的时间后转变成超吸收性聚合物。 吸收性纤维素材料具有大于2g / g的流体保留。

    Articles comprising transparent/translucent polymer composition
    5.
    发明授权
    Articles comprising transparent/translucent polymer composition 有权
    包含透明/半透明聚合物组合物的制品

    公开(公告)号：US07619131B2

    公开(公告)日：2009-11-17

    申请号：US11292570

    申请日：2005-12-02

    申请人： Dave Allen Soerens ,  Angela Jones Lang ,  Iqbal Ahmed ,  Scott J. Smith

    发明人： Dave Allen Soerens ,  Angela Jones Lang ,  Iqbal Ahmed ,  Scott J. Smith

    IPC分类号： A61F13/15 ,  C08F4/04 ,  C08F30/08 ,  C08F118/02

    CPC分类号： A61L15/42 ,  A61F13/15203 ,  A61F13/531 ,  A61F13/534 ,  A61L15/24

    摘要： The present invention provides a translucent absorbent composite having a substrate with a light transmittance of at least about 60% and a flexible superabsorbent binder polymer composition applied to the substrate. The polymer composition may be prepared from the reaction product of a monomer solution including at least 15% by mass monoethylenically unsaturated monomer selected from carboxylic acid, carboxylic acid salts, sulphonic acid, sulphonic acid salts, phosphoric acid, or phosphoric acid salts; an acrylate or methacrylate ester that contains an alkoxysilane functionality; a copolymerizable hydrophilic glycol containing an ester monomer; an initiator system; and a neutralizing agent. The unsaturated monomer is neutralized to at least 25 mol % and the flexible superabsorbent binder polymer composition has a residual monoethylenically unsaturated monomer content of less than about 1000 ppm. The absorbent composite has a light transmittance of at least 45%. Also provided are absorbent articles containing the absorbent composite.

    摘要翻译： 本发明提供一种半透明吸收复合材料，其具有至少约60％的透光率的基底和应用于基底的柔性超吸收性粘合剂聚合物组合物。 聚合物组合物可以由包含选自羧酸，羧酸盐，磺酸，磺酸盐，磷酸或磷酸盐中的至少15质量％单烯属不饱和单体的单体溶液的反应产物制备; 含有烷氧基硅烷官能团的丙烯酸酯或甲基丙烯酸酯; 含有酯单体的可共聚的亲水二醇; 发起者系统; 和中和剂。 将不饱和单体中和至至少25摩尔％，并且柔性超吸收性粘合剂聚合物组合物具有小于约1000ppm的残留单烯属不饱和单体含量。 吸收性复合材料的透光率至少为45％。 还提供了含有吸收性复合材料的吸收制品。

    Superabsorbent polymer aqueous paste and coating
    7.
    发明授权
    Superabsorbent polymer aqueous paste and coating 有权
    超吸收性聚合物水性糊剂和涂料

    公开(公告)号：US07163969B2

    公开(公告)日：2007-01-16

    申请号：US10685080

    申请日：2003-10-14

    申请人： Iqbal Ahmed ,  Angela M. Jones ,  Scott Tomlin ,  Scott J. Smith

    发明人： Iqbal Ahmed ,  Angela M. Jones ,  Scott Tomlin ,  Scott J. Smith

    IPC分类号： C09K8/04 ,  C08L33/00

    CPC分类号： C08J3/03 ,  C08J2300/14 ,  C09K8/035 ,  Y10T428/31855 ,  Y10T428/31909

    摘要： The present invention is directed to an aqueous superabsorbent polymer paste comprising from about 1 to about 5 wt % of superabsorbent particles and from about 95 to about 99 wt % of an aqueous water-soluble solution having from about 0.5 to about 5%, preferably from about 1 to about 3% solid level. The present invention is also directed to a coated substrate comprising a substrate material and an aqueous superabsorbent polymer paste comprising a blend of i) from about 1 to about 5 wt % of superabsorbent particles and ii) from about 95 to about 99 wt % of an aqueous water-soluble solution. The present invention is also directed to a method for reducing the loss of circulation fluids into flow passages of a subterranean formation during well drilling, completion or work over operations, by using the aqueous superabsorbent polymer paste of the present invention.

    摘要翻译： 本发明涉及含水超吸收性聚合物糊剂，其包含约1至约5重量％的超吸收颗粒和约95至约99重量％的水溶性水溶液，其具有约0.5至约5重量％，优选为 约1至约3％固体含量。 本发明还涉及包含基材和含水超吸收聚合物浆料的涂覆基材，该糊状物包含i）约1至约5重量％的超吸收颗粒和ii）约95至约99重量％的 水溶性水溶液。 本发明还涉及一种通过使用本发明的水性超吸收聚合物浆料来减少在钻井，完井或作业过程中循环流体损失到地层的流动通道中的损失的方法。

    Flexible superabsorbent binder polymer composition
    9.
    发明授权
    Flexible superabsorbent binder polymer composition 失效
    柔性超吸收性粘合剂聚合物组合物

    公开(公告)号：US07399813B2

    公开(公告)日：2008-07-15

    申请号：US11829205

    申请日：2007-07-27

    申请人： Angela Jones Lang ,  Dave Allen Soerens ,  Iqbal Ahmed ,  Scott J. Smith

    发明人： Angela Jones Lang ,  Dave Allen Soerens ,  Iqbal Ahmed ,  Scott J. Smith

    IPC分类号： C08F4/04 ,  C08F20/06

    CPC分类号： C08F220/06 ,  C08F220/26 ,  C08F230/08

    摘要： A flexible superabsorbent binder polymer composition including a monoethylenically unsaturated polymer, such as carboxylic acid, sulphonic acid, or phosphoric acid, or salts thereof, and an acrylate or methacrylate ester that contains an alkoxysilane functionality, or a monomer capable of co-polymerization with a compound containing a trialkoxysilane functional group and subsequent reaction with water to form a silanol group wherein the flexible superabsorbent binder polymer composition has a residual monoethylenically unsaturated monomer of less than about 1000 ppm. The flexible superabsorbent binder polymer composition is particularly suitable for use in manufacturing absorbent articles. A method of making the flexible superabsorbent binder polymer composition includes preparing a monomer solution, adding the monomer solution to an initiator system, and activating a polymerization initiator within the initiator system.

    摘要翻译： 包含单烯属不饱和聚合物如羧酸，磺酸或磷酸或其盐的柔性超吸收性粘合剂聚合物组合物和含有烷氧基硅烷官能团的丙烯酸酯或甲基丙烯酸酯或能够与 含有三烷氧基硅烷官能团的化合物，随后与水反应以形成硅烷醇基团，其中柔性超吸收性粘合剂聚合物组合物具有小于约1000ppm的残余单烯属不饱和单体。 柔性超吸收性粘合剂聚合物组合物特别适合用于制造吸收制品。 制备柔性超吸收性粘合剂聚合物组合物的方法包括制备单体溶液，将单体溶液加入引发剂体系中，并在引发剂体系内活化聚合引发剂。