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    • 6. 发明授权
    • Foams made from water-absorbing, basic polymers, method for the production and utilization thereof
    • 由吸水性碱性聚合物制成的泡沫体,其生产和利用方法
    • US07838567B2
    • 2010-11-23
    • US10502212
    • 2003-01-30
    • Samantha ChampHans-Joachim HähnleMartin BeckRüdiger Funk
    • Samantha ChampHans-Joachim HähnleMartin BeckRüdiger Funk
    • C08J9/12
    • C08J9/30C08J9/286C08J2201/0504C08J2205/022C08J2300/14
    • Foams composed of water-absorbing basic polymers, obtainable by (I) foaming a crosslinkable aqueous mixture including (a) at least one basic polymer whose basic groups have optionally been neutralized, (b) at least one crosslinker, (c) at least one surfactant, (d) optionally at least one solubilizer, (e) optionally thickeners, foam stabilizers, fillers, fibers and/or cell nucleators, and (f) optionally particulate water-absorbing acidic polymers, by dissolving a gas which is inert toward free radicals in the crosslinkable aqueous mixture under a pressure from 2 to 400 bar and subsequently decompressing the crosslinkable aqueous mixture to atmospheric or by dispersing fine bubbles of a gas which is inert toward free radicals, and (II) crosslinking the foamed mixture to form a hydrogel foam and if applicable adjusting the water content of the polymer foam to 1-60% by weight. Preparation of the foams by application of the abovementioned measures (I) and (II) and use of the thus obtainable foams in hygiene articles to absorb body fluids, in dressing material to cover wounds, as a sealing material, as a packaging material, as a soil improver, as a soil substitute, to dewater sludges, to absorb aqueous acidic wastes, to thicken waterborne paints or coatings in the course of disposing of residual quantities thereof, to dewater water-containing oils or hydrocarbons or as a material for filters in ventilation systems.
    • 由吸水性碱性聚合物组成的泡沫体可通过(I)发泡可交联水性混合物得到,所述可交联水性混合物包括(a)至少一种碱性基团任选被中和的碱性聚合物,(b)至少一种交联剂,(c)至少一种 表面活性剂,(d)任选的至少一种增溶剂,(e)任选的增稠剂,泡沫稳定剂,填料,纤维和/或细胞成核剂,和(f)任选的颗粒状吸水性酸性聚合物, 在2至400巴的压力下在可交联水性混合物中的基团,随后将可交联的含水混合物减压至大气或通过分散对自由基呈惰性的气体的细小气泡,和(II)将发泡混合物交联以形成水凝胶 泡沫,如果适用,将聚合物泡沫的含水量调节至1-60重量%。 通过应用上述措施(I)和(II)制备泡沫体,并将如此获得的泡沫在卫生制品中的使用以吸收体液,在敷料中覆盖伤口作为密封材料作为包装材料,如 土壤改良剂,作为土壤替代物,去除污泥,吸收含水酸性废物,在处理剩余量的过程中加厚水性涂料或涂料,将含水油或碳氢化合物或用作过滤器的材料脱水 通风系统。
    • 8. 发明申请
    • Foams made from water-absorbing, basic polymers, method for the production and utilization thereof
    • 由吸水性碱性聚合物制成的泡沫体,其生产和利用方法
    • US20050070616A1
    • 2005-03-31
    • US10502212
    • 2003-01-30
    • Samantha ChampHans-Joachim HahnleMartin BeckRudiger Funk
    • Samantha ChampHans-Joachim HahnleMartin BeckRudiger Funk
    • A61F13/53A61F13/00A61F13/15A61F13/49A61L15/00C08J9/12C08J9/28C08J9/30C08K3/00C08K5/00C08L101/14C08J9/00
    • C08J9/30C08J9/286C08J2201/0504C08J2205/022C08J2300/14
    • Foams composed of water-absorbing basic polymers, obtainable by (I) foaming a crosslinkable aqueous mixture including (a) at least one basic polymer whose basic groups have optionally been neutralized, (b) at least one crosslinker, (c) at least one surfactant, (d) optionally at least one solubilizer, (e) optionally thickeners, foam stabilizers, fillers, fibers and/or cell nucleators, and (f) optionally particulate water-absorbing acidic polymers, by dissolving a gas which is inert toward free radicals in the crosslinkable aqueous mixture under a pressure from 2 to 400 bar and subsequently decompressing the crosslinkable aqueous mixture to atmospheric or by dispersing fine bubbles of a gas which is inert toward free radicals, and (II) crosslinking the foamed mixture to form a hydrogel foam and if applicable adjusting the water content of the polymer foam to 1-60% by weight. Preparation of the foams by application of the abovementioned measures (I) and (II) and use of the thus obtainable foams in hygiene articles to absorb body fluids, in dressing material to cover wounds, as a sealing material, as a packaging material, as a soil improver, as a soil substitute, to dewater sludges, to absorb aqueous acidic wastes, to thicken waterborne paints or coatings in the course of disposing of residual quantities thereof, to dewater water-containing oils or hydrocarbons or as a material for filters in ventilation systems.
    • 由吸水性碱性聚合物组成的泡沫体可通过(I)发泡可交联水性混合物得到,所述可交联水性混合物包括(a)至少一种碱性基团任选被中和的碱性聚合物,(b)至少一种交联剂,(c)至少一种 表面活性剂,(d)任选的至少一种增溶剂,(e)任选的增稠剂,泡沫稳定剂,填料,纤维和/或细胞成核剂,和(f)任选的颗粒状吸水性酸性聚合物, 在2至400巴的压力下在可交联水性混合物中的基团,随后将可交联的含水混合物减压至大气或通过分散对自由基呈惰性的气体的细小气泡,和(II)将发泡混合物交联以形成水凝胶 泡沫,如果适用,将聚合物泡沫的含水量调节至1-60重量%。 通过应用上述措施(I)和(II)制备泡沫体,并将如此获得的泡沫在卫生制品中的使用以吸收体液,在敷料中覆盖伤口作为密封材料作为包装材料,如 土壤改良剂,作为土壤替代物,去除污泥,吸收含水酸性废物,在处理剩余量的过程中加厚水性涂料或涂料,将含水油或碳氢化合物或用作过滤器的材料脱水 通风系统。
    • 10. 发明授权
    • Superabsorbent foam, method for the production thereof, and use thereof
    • 超吸收性泡沫塑料,其制造方法及其用途
    • US07923479B2
    • 2011-04-12
    • US12185462
    • 2008-08-04
    • Samantha ChampMariola WaniorAndreas Reifschneider
    • Samantha ChampMariola WaniorAndreas Reifschneider
    • C08G18/48C08J9/00
    • C08J9/0085A61L15/425A61L15/60B01J20/26C08J9/28C08J2207/12C08J2300/14C09K3/1028
    • Superabsorbent foam comprising superabsorbent fiber and/or fruit fiber, processes for producing superabsorbent foam having improved wet strength by foaming a crosslinkable aqueous mixture comprising at least 50 mol % neutralized acid-functional monoethylenically unsaturated monomer or at least one basic polymer, crosslinker, superabsorbent synthetic fiber and/or fruit fiber and at least one surfactant and subsequently polymerizing the monomer in the foamed mixture or crosslinking the basic polymer to form a hydrogel foam and use of the thus obtainable foam in hygiene articles to absorb body fluids, in dressing material to cover wounds, as a sealing material, as a packaging material, as a soil improver, as a soil substitute, to dewater sludges, to thicken waterborne paints or coatings in the course of disposing of residual quantities thereof, to dewater water-containing oils or hydrocarbons or as a material for filters in ventilation systems.
    • 包含超吸收性纤维和/或果实纤维的超吸收性泡沫体,通过使包含至少50摩尔%中和的酸官能单烯属不饱和单体或至少一种碱性聚合物交联剂,交联剂,超吸收剂合成物的交联性水性混合物发泡而制备具有改进的湿强度的超吸收性泡沫体的方法 纤维和/或果纤维和至少一种表面活性剂,随后在发泡混合物中聚合单体或交联碱性聚合物以形成水凝胶泡沫体,并且使用如此获得的泡沫在卫生制品中吸收体液,在敷料中覆盖 作为密封材料作为包装材料,作为土壤改良剂,作为土壤替代物的脱水污泥,在处置剩余量的过程中加厚水性涂料或涂层,将脱水的含水油或碳氢化合物作为密封材料 或作为通风系统中过滤器的材料。