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    • 71. 发明申请
    • WATER-ABSORBENT RESIN SUITABLE FOR USE IN HYGIENIC MATERIALS
    • 吸水树脂适用于卫生材料
    • US20100331802A1
    • 2010-12-30
    • US12673924
    • 2008-08-14
    • Hideki YokoyamaYasuhiro Nawata
    • Hideki YokoyamaYasuhiro Nawata
    • A61L15/24C08F20/06
    • B01J20/267A61L15/60B01J20/261C08F2/14C08F2/32C08F20/06
    • The present invention provides a water-absorbent resin produced by a reversed-phase suspension polymerization method, which contains a small amount of a petroleum hydrocarbon dispersion medium remaining therein used in reversed-phase suspension polymerization, and thus reducing an odor originating from the petroleum hydrocarbon dispersion medium, when the water-absorbent resin absorbs water, and also which is suitable for use in hygienic materials; an absorbent material and an absorbent article. More particularly, the present invention provides a water-absorbent resin obtained by subjecting an aqueous solution of a water-soluble ethylenically unsaturated monomer to reversed-phase suspension polymerization in a petroleum hydrocarbon dispersion medium in the presence of a surfactant, wherein the amount of the petroleum hydrocarbon dispersion medium remaining in the water-absorbent resin is 2,000 ppm or less; and an absorbent material and an absorbent article using the same.
    • 本发明提供一种通过反相悬浮聚合法制备的吸水性树脂,其中含有少量其中残留在反相悬浮聚合中的石油烃分散体,从而减少源自石油烃的气味 分散介质,当吸水性树脂吸水时,也适用于卫生材料; 吸收材料和吸收制品。 更具体地说,本发明提供一种吸水性树脂,其通过在表面活性剂的存在下,在石油烃分散介质中使水溶性烯属不饱和单体的水溶液进行反相悬浮聚合,其中, 残留在吸水性树脂中的石油烃分散介质为2000ppm以下, 以及使用其的吸收性材料和吸收性物品。
    • 78. 发明授权
    • Polymer composite synthesis in supercritical fluids
    • 超临界流体中聚合物复合材料的合成
    • US07763357B2
    • 2010-07-27
    • US11339852
    • 2006-01-26
    • Paul A. CharpentierXinsheng Li
    • Paul A. CharpentierXinsheng Li
    • C08L11/00
    • B82Y30/00C08F10/00C08F210/02C08G83/001C08J5/005Y02P20/544Y10T428/31667Y10T428/31692Y10T428/31855Y10T428/31938C08F4/32C08F2/14C08F2/44C08F218/08
    • A one step synthetic route of polymeric compositions of a polyolefin and inorganic network consisting of components selected from Si, Zr, Ti, is disclosed. The synthetic route combines parallel reactions of free radical polymerization to form polymer, and hydrolysis of either Si, or Zr, or Ti or both of them precursors. The network consisting of Si, Zr, Ti, is chemically bonded to or within the polymer matrix. The inorganic or organic molecules can then be polymerized under conditions effective to cause the polymerized inorganic or organic molecules into macromolecular networks. The compositions of the polymeric composites can be easily controlled by adjusting the reactant ratio and reaction rate or conditions such as temperature and pressure, wherein the inorganic compositions disperse in nanoscale within polymeric composites when their concentrations fall below moderate levels. A novel synthesis route for making polymer composites and/or polymer nanocomposites of a polyolefin and an inorganic network consisting of components selected from Si, Zr, Ti, is disclosed. The synthesis route comprises hydrolysis of either Si, or Zr, or Ti alkoxides or mixtures of these precursors within a polymer matrix in supercritical fluids.
    • 公开了由选自Si,Zr,Ti的组分组成的聚烯烃和无机网络的聚合物组合物的一步合成途径。 合成路线结合自由基聚合的平行反应形成聚合物,以及Si或Zr或Ti或它们两者前体的水解。 由Si,Zr,Ti组成的网络化学键合到聚合物基体内或内。 然后可以在有效地使聚合的无机或有机分子进入大分子网络的条件下使无机或有机分子聚合。 聚合物复合材料的组成可以通过调节反应物比例和反应速率或诸如温度和压力的条件来容易地控制,其中当聚合物复合物的浓度低于中等水平时,无机组合物在纳米级分散。 公开了一种用于制备聚烯烃和/或由选自Si,Zr,Ti的组分组成的无机网络的聚合物复合材料和/或聚合物纳米复合材料的新型合成途径。 合成路线包括在超临界流体中在聚合物基质内水解Si或Zr或Ti醇盐或这些前体的混合物。