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    • 1. 发明授权
    • Hydrolytically stable postcrosslinked superabsorbents
    • 水解稳定的后交联超吸收剂
    • US07728079B2
    • 2010-06-01
    • US11885250
    • 2006-02-24
    • Jörg HarrenJörg IssbernerMirko WaldenRainer TeniFranck FurnoPeter WerleHans-Peter Krimmer
    • Jörg HarrenJörg 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吸水聚合物地层的方法,包括以下步骤:将交联剂存在下烯属不饱和酸官能单体或其盐聚合得到的吸水聚合物地层P1与流体F1 包括后交联剂,将与流体F1接触的吸水聚合物层加热到40-300℃的温度,以获得后交联的吸水聚合物层P2,吸水聚合物层P1具有热 根据本文所述的测试方法测定的稳定性小于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
    • 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。