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    • 4. 发明申请
    • PRODUCTION OF PAPER, CARD AND BOARD
    • 生产纸张,卡片和纸板
    • US20120325420A1
    • 2012-12-27
    • US13526710
    • 2012-06-19
    • Anton EsserHans-Joachim Hähnle
    • Anton EsserHans-Joachim Hähnle
    • D21H17/43D21H17/45
    • D21H17/375D21H17/43D21H21/20
    • The invention relates to a process for the production of paper, card and board, including the steps of draining a filler-containing paper stock, having a certain fibrous concentration and containing at least one water-soluble amphoteric copolymer, with sheet formation in a wire section, then pressing the paper in a press section, diluting the paper stock to a fibrous concentration in the range from 5 to 15 g/l, draining the diluted paper stock to form a sheet, and then pressing the sheet in the press section to a solids content G(x) wt % or greater, such that G(x) computes according to: G(x)=48+(x−15)·0.4, where x is the numerical value of a filler content of the dry paper, card or board (in wt %), and G(x) is a numerical value of the minimal solids content (in wt %) to which the sheet is pressed.
    • 本发明涉及一种生产纸张,卡片和纸板的方法,包括以下步骤:排出具有一定纤维浓度并含有至少一种水溶性两性共聚物的含有填料的纸料, 然后在压榨部中按压纸张,将纸料稀释至5至15g / l范围内的纤维浓度,排出稀释的纸料以形成片材,然后将压片部分中的片材按压至 固体含量G(x)wt%以上,使得G(x)根据G(x)= 48 +(x-15)·0.4计算,其中x是干燥的填料含量的数值 纸张,卡片或纸板(以重量%计),G(x)是片材被压制的最小固体含量(以重量%计)的数值。
    • 8. 发明授权
    • Water-absorbing, cellular, cross-linked polymers with improved distribution effect, method for their production and their use
    • 吸水,细胞,交联聚合物具有改善的分布效果,其制备方法及其用途
    • US06750262B1
    • 2004-06-15
    • US09926110
    • 2001-09-04
    • Hans-Joachim HähnleUlrich SchröderWolfgang HeiderGunnar SchornickThomas Anstock
    • Hans-Joachim HähnleUlrich SchröderWolfgang HeiderGunnar SchornickThomas Anstock
    • C08J928
    • C08J9/30A61L15/24A61L15/425A61L15/60B01J20/26C08J9/122C08J2207/12C08J2300/10C09K3/10C09K17/20C09K2003/1046C09K2200/0625C09K2200/0657C08L33/00
    • Water-absorbing, expanded, crosslinked polymers obtainable by (I) foaming a polymerizable aqueous mixture which comprises (a) monoethylenically unsaturated monomers which contain acidic groups and are optionally neutralized, (b) optionally other monoethylenically unsaturated monomers, (c) crosslinkers, (d) initiators, (e) 0.1-20% by weight of at least one surfactant, (f) optionally at least one solubilizer and (g) optionally thickeners, foam stabilizers, polymerization regulators, fillers and/or cell nucleating agents, where the foaming takes place by dissolving a gas which is inert to free radicals under a pressure of 2-400 bar in the polymerizable aqueous mixture, and then decompressing the latter to atmospheric pressure, and (II) polymerizing the foamed mixture to form an expanded hydrogel and, where appropriate, adjusting the water content of the expanded polymer to 1-60% by weight, process for preparing the water-absorbing, expanded, crosslinked polymers and use of these polymers in sanitary articles employed for absorbing body fluids, in dressing material for covering wounds, as sealing material, as soil improver, as soil substitute and as packaging material.
    • (I)发泡可聚合水性混合物的吸水膨胀交联聚合物,其包含(a)含有酸性基团并任选中和的单烯属不饱和单体,(b)任选其它单烯属不饱和单体,(c)交联剂, d)引发剂,(e)0.1-20重量%的至少一种表面活性剂,(f)任选的至少一种增溶剂和(g)任选的增稠剂泡沫稳定剂,聚合调节剂,填料和/或细胞成核剂,其中 通过将在2-400巴的压力下对自由基惰性的气体溶解在可聚合的含水混合物中,然后将其减压至大气压来进行发泡,和(II)使发泡混合物聚合以形成膨胀的水凝胶, 在适当的情况下,将发泡聚合物的水含量调节至1-60重量%,制备吸水膨胀交联聚合物的方法,以及在sanitar中使用这些聚合物 用于吸收体液的物品,用于覆盖伤口的敷料材料,作为密封材料,作为土壤改良剂,作为土壤代用品和作为包装材料。
    • 10. 发明授权
    • Water-absorbing, cross-linked polymerizates in the form of a foam, a method for the production thereof, and their use
    • 泡沫形式的吸水交联聚合物,其制备方法及其应用
    • US06455600B1
    • 2002-09-24
    • US09623590
    • 2000-09-05
    • Hans-Joachim HähnleUlrich SchröderMartin BeckWolfgang HeiderGunnar SchornickThomas Anstock
    • Hans-Joachim HähnleUlrich SchröderMartin BeckWolfgang HeiderGunnar SchornickThomas Anstock
    • C08J928
    • C08J9/30A61L15/425A61L15/60C08J2300/14
    • A water-absorbing, expanded, crosslinked polymer obtainable by (I) foaming a polymerizable aqueous mixture which comprises (a) monoethylenically unsaturated monomers which contain acidic groups and are optionally neutralized, (b) optionally other monoethylenically unsaturated monomers, (c) crosslinkers, (d) initiators, (e) 0.1-20% by weight of at least one surfactant, (f) optionally at least one solubilizer and (g) optionally thickeners, foam stabilizers, polymerization regulators, fillers and/or cell nucleating agents,  where the foaming takes place by dispersing fine bubbles of a gas which is inert to free radicals in the polymerizable aqueous mixture, and (II) polymerizing the foamed mixture to form an expanded hydrogel, whereby at least 20 mol % of the monomers (a) which contain acidic groups have been neutralized with tertiary alkanolamines and/or the free acidic groups of the expanded hydrogel have been at least 20 mol % neutralized with at least one alkalolamine after the polymerization, and, where appropriate, adjusting the water content of the expanded polymer to 1-60% by weight, the production thereof and the use thereof in hygiene articles employed to absorb body fluids and in dressing material for covering wounds.
    • (I)发泡可聚合水性混合物的吸水膨胀交联聚合物,其包含(a)含有酸性基团并任选中和的单烯属不饱和单体,(b)任选的其它单烯属不饱和单体,(c)交联剂, (d)引发剂,(e)0.1-20重量%的至少一种表面活性剂,(f)任选的至少一种增溶剂和(g)任选的增稠剂泡沫稳定剂,聚合调节剂,填料和/或细胞成核剂,其中 通过将可自由基惰性的气体的细小气泡分散在可聚合的含水混合物中,并且(II)使发泡混合物聚合以形成膨胀的水凝胶,从而将至少20mol%的单体(a) 含有酸性基团已经被叔链烷醇胺中和,和/或膨胀的水凝胶的游离酸性基团在聚合后与至少一种烷醇胺中至少20摩尔% 并且在适当的情况下,将发泡聚合物的含水量调节至1-60重量%,其生产以及用于吸收体液的卫生制品和用于覆盖伤口的敷料中的用途。