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    • 1. 发明申请
    • Hydrolytically Stable Postcrosslinked Superabsorbents
    • 水解稳定的后交联超吸收剂
    • US20080214740A1
    • 2008-09-04
    • US11885250
    • 2006-02-24
    • Jorg HarrenJorg IssbernerMirko WaldenRainer TeniFranck FurnoPeter WerleHans-Peter Krimmer
    • Jorg HarrenJorg IssbernerMirko WaldenRainer TeniFranck FurnoPeter WerleHans-Peter Krimmer
    • C08F8/30
    • C08J3/24C08F220/06C08J2333/02
    • The present invention relates to a process for producing postcrosslinked water-absorbing polymeric formations, comprising the steps of contacting water-absorbing polymeric formations P1 obtained by polymerization of ethylenically unsaturated acid-functional monomers or salts thereof in the presence of a crosslinker with a fluid F1 comprising a postcrosslinker, heating the water-absorbing polymeric formations in contact with the fluid F1 to a temperature in a range from 40 to 300° C. to obtain postcrosslinked water-absorbing polymeric formations P2, the water-absorbing polymeric formations P1 having a thermal stability, as determined in accordance with the test method described herein, of less than 3.0%. The invention also relates to water-absorbing polymeric formations, to the water-absorbing polymeric formations obtainable by this process, to water-absorbing polymeric formations based on crosslinked carboxyl-bearing monomers, to a composite comprising water-absorbing polymeric formations and a substrate, to a process for producing a composite, to a composite obtainable by this process, to chemical products comprising water-absorbing polymeric formations or a composite, to the use of water-absorbing polymeric formations or of a composite in chemical products and also to the use of triallyl isocyanurate as an internal crosslinker in the production of water-absorbing polymeric formations based on crosslinked carboxyl-bearing monomers.
    • 本发明涉及一种生产后交联的吸水聚合物地层的方法,包括以下步骤:通过烯键式不饱和酸官能单体或其盐的聚合获得的吸水聚合物地层P 1 存在具有包含后交联剂的流体F 1 N的交联剂,将与流体F 1 1接触的吸水聚合物层加热到40〜 300℃以获得后交联的吸水聚合物组合物P 2,根据测试方法测定的具有热稳定性的吸水性聚合物组合物P 1 <1> 如本文所述,小于3.0%。 本发明还涉及吸水聚合物地层,可通过该方法获得的吸水聚合物地层,基于交联的含羧基单体的吸水聚合物地层,包括吸水聚合物地层和基底的复合材料, 涉及通过该方法可获得的复合材料的方法,涉及包含吸水聚合物结构或复合材料的化学产品,使用吸水聚合物结构或化学产品中的复合材料,以及使用 的三烯丙基异氰脲酸酯作为内部交联剂在基于交联的含羧基单体的吸水性聚合物地层的生产中。
    • 2. 发明申请
    • Water-Absorbing Polymer Structure Surface-Treated with Polycations
    • 用聚阳离子表面处理的吸水聚合物结构
    • US20080280128A1
    • 2008-11-13
    • US11912241
    • 2006-04-21
    • Franck FurnoMirko WaldenJorg IssbernerHarald Schmidt
    • Franck FurnoMirko WaldenJorg IssbernerHarald Schmidt
    • B32B27/16C08G73/06
    • A61L15/60Y10T428/254Y10T428/2998
    • The present invention relates to water-absorbing polymer structures, whose surface has been brought into contact with a compound comprising a polycation and at least one anion. The invention further relates to a process for treating the surface of water-absorbing polymer structures, the surface-treated water-absorbing polymer structures obtainable by this process, a composite comprising a surface-treated, water-absorbing polymer structure as well as a substrate, a process for production of a composite, the composite obtainable by this process, chemical products such as foams, formed bodies, and fibers comprising surface-treated water-absorbing polymer structures or a composite, the use of surface-treated, water-absorbing polymer structures or of a composite in chemical products as well as the use of compounds comprising a polycation with a given structure for the treatment of the surface of water-absorbing polymer structures.
    • 本发明涉及吸水聚合物结构,其表面已经与包含聚阳离子和至少一种阴离子的化合物接触。 本发明还涉及一种用于处理吸水聚合物结构表面的方法,可通过该方法获得的表面处理的吸水聚合物结构,包含表面处理的吸水聚合物结构的复合材料以及基材 ,复合材料的制造方法,可以通过该方法获得的复合材料,诸如泡沫,成形体的化学产品和包含表面处理的吸水聚合物结构或复合材料的纤维,使用表面处理的吸水 聚合物结构或化学产品中的复合材料,以及使用包含具有给定结构的聚阳离子的化合物来处理吸水聚合物结构的表面。