Water-Absorbing Polymeric Particles and Method for the Production Thereof
    113.
    发明申请
    Water-Absorbing Polymeric Particles and Method for the Production Thereof 审中-公开
    吸水聚合物颗粒及其制备方法

    公开(公告)号:US20100190932A1

    公开(公告)日:2010-07-29

    申请号:US12668948

    申请日:2008-07-21

    CPC classification number: A61L15/60

    Abstract: The present invention relates to a water absorbing material obtainable by a process comprising the steps of bringing particles of a non surface-crosslinked water-absorbing polymer in contact with a) at least one post-crosslinker, b) 0.1-1.0 wt. % of at least one water-insoluble metal phosphate, based on the non surface-crosslinked water-absorbing polymer, and at least one further ingredient selected from c) at least one Nitrogen-containing water-soluble polymer of which the Nitrogen can be protonated, and d) at least one hydrophobic polymer and heat-treating the particles thus obtained at a temperature in the range from 120° C. to 300° C. and a method for the production thereof.

    Abstract translation: 本发明涉及一种吸水材料,该方法包括以下步骤:使非表面交联的吸水聚合物的颗粒与a)至少一种后交联剂接触,b)0.1-1.0wt。 至少一种不溶于水的金属磷酸盐,基于非表面交联的吸水聚合物,以及至少一种其它成分,选自c)至少一种含氮的水溶性聚合物,其中氮可被质子化 ,和d)至少一种疏水性聚合物,并在120℃至300℃的温度范围内对由此获得的颗粒进行热处理及其制备方法。

    Water-Absorbing Polymeric Particles and Method for the Production Thereof
    114.
    发明申请
    Water-Absorbing Polymeric Particles and Method for the Production Thereof 有权
    吸水聚合物颗粒及其制备方法

    公开(公告)号:US20100184594A1

    公开(公告)日:2010-07-22

    申请号:US12668183

    申请日:2008-07-21

    CPC classification number: A61L15/60 A61L15/42 A61L15/58

    Abstract: The present invention relates to a water absorbing material obtainable by a process comprising the steps of bringing particles of a non surface-crosslinked water-absorbing polymer in contact with a) at least one postcrosslinker, b) 10-1000 ppm, based on the non surface-crosslinked water-absorbing polymer, of at least one Nitrogen-containing water-soluble polymer of which the Nitrogen can be protonated, and c) at least one hydrophobic polymer and heat-treating the particles thus obtained at a temperature in the range from 120° C. to 300° C. and a method for the production thereof.

    Abstract translation: 本发明涉及一种吸水材料,该方法包括以下步骤:使非表面交联的吸水聚合物的颗粒与a)至少一个后交联剂接触,b)10-1000ppm,基于非 - 表面交联的吸水聚合物,其至少一种含氮的水溶性聚合物,其中氮可以被质子化,和c)至少一种疏水性聚合物,并且在如下得到的温度下热处理由此获得的颗粒: 120℃〜300℃及其制造方法。

    Process for Production of a Water-Absorbing Material
    115.
    发明申请
    Process for Production of a Water-Absorbing Material 审中-公开
    吸水材料的制造方法

    公开(公告)号:US20090012486A1

    公开(公告)日:2009-01-08

    申请号:US12159298

    申请日:2006-12-19

    CPC classification number: A61L15/60 A61F2013/530481

    Abstract: The present invention relates to a process for producing a water-absorbing material comprising the step of spray-coating water-absorbing polymeric particles with at least one non-reactive coating agent in a continuous process in a fluidized bed reactor in the range from 0° C. to 150° C., with the proviso that the non-reactive coating agents do not comprise an elastic film-forming polymer, the water-absorbing material obtainable by this process, the use of the water-absorbing material in hygiene articles and packaging material and hygiene articles comprising this material.

    Abstract translation: 本发明涉及一种制造吸水材料的方法,其包括在流化床反应器中以0°的范围在连续方法中用至少一种非反应性涂层剂喷涂吸水聚合物颗粒的步骤 C.至150℃,条件是非反应性涂层剂不包含弹性成膜聚合物,可通过该方法获得的吸水材料,在卫生制品中使用吸水材料, 包括该材料的包装材料和卫生制品。

    Postcrosslining of Water Absorbing Polymers With Cyclic Carbamates and/or Cyclic Ureas
    118.
    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

    CPC classification number: A61L15/60

    Abstract: 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.

    Abstract translation: 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。

    Cross-linked, water-swellable polymer and method for producing the same
    119.
    发明授权
    Cross-linked, water-swellable polymer and method for producing the same 失效
    交联的水溶胀性聚合物及其制造方法

    公开(公告)号:US07393908B2

    公开(公告)日:2008-07-01

    申请号:US10399185

    申请日:2001-10-17

    CPC classification number: C08F220/56 C08F220/04

    Abstract: The invention relates to a cross-linked, water-swellable polymer that contains polymerized into it moieties of a) water-soluble, monoethylenically unsaturated monomers, and b) 0.001 to 5 mole % based on the monomers a) of a cross-linking combination, b1) a frist cross-linking agent with at least two (meth)acrylic ester moieties in the molecule and b2) a second cross-linking agent with at least two (meth)allyloxy moieties in the molecule, the molar ratio of b1) to b2) ranging from 0.7:1 to 10:1. The polymer according to the invention has a balanced property profile as regards absorptivity, gel strength, absorption speed and extractable componenents and can be advantageously produced by a continuous method.

    Abstract translation: 本发明涉及交联的水溶胀性聚合物,其包含聚合成a)水溶性单烯属不饱和单体的部分,和b)基于单体a)交联组合物的0.001至5摩尔% ,b1)分子中具有至少两个(甲基)丙烯酸酯部分的第一交联剂,和b2)分子中具有至少两个(甲基)烯丙氧基部分的第二交联剂,b1)的摩尔比, 至b2)范围为0.7:1至10:1。 根据本发明的聚合物在吸收性,凝胶强度,吸收速度和可萃取成分方面具有平衡的性能特征,并且可以有利地通过连续方法制备。

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