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    • 3. 发明授权
    • Powdery polymers capable of absorbing aqueous liquids, a process for
their production and their use as absorbents
    • 能够吸收含水液体的粉状聚合物,其制备方法及其作为吸收剂的用途
    • US5672633A
    • 1997-09-30
    • US615249
    • 1996-03-26
    • Helmut BrehmHans-Georg Hartan
    • Helmut BrehmHans-Georg Hartan
    • G02B6/44A61F13/49A61F13/53A61L15/00A61L15/24A61L15/60B01J20/26C05G3/00C05G3/04C08F2/44C08F8/00C08F8/14C08F8/32C08F8/44C08F20/06C08F20/52C08F20/58C08F220/04C08J7/12C08L33/02C09K17/16C09K17/18C09K101/00H01B7/282C08J9/00
    • C09K17/16A61L15/24C05G3/0047C05G3/04C08F8/00C08F8/44C08L33/02C08F2810/20
    • The present invention relates to powdery, insoluble, water-swellable, cross-linked polymers absorbing water, aqueous or serous liquids, which are formed of a) 55-99.9%-wt. polymerized unsaturated, polymerizable acid-groups--comprising monomers which are neutralized to the extent of at least 25 mol-%, b) 0-40%-wt. polymerized unsaturated monomers which are co-polymerizable with a), c) 0.1-5.0%-wt. of a cross-linking agent, and d) 0-30%-wt. of a water-soluble polymer, with the weight amounts of a) to d) being relative to anhydrous polymer, and the polymer powder is heated with an at least bifunctional compound reactive with acid groups to a temperature of 150.degree. C.-250.degree. C. under cross-linkage of the surface, and the polymer powder that is thus already surface-cross-linked is subjected to a repeated surface-cross-linking treatment using an at least bifunctional compound reactive with acid groups at a temperature of 150.degree. to 250.degree. C. The present invention further relates to a process for the production of these polymers and to their use as absorbents for water and aqueous liquids, in particular in constructions for the absorption of body fluids, and in current-conducting or light-transmitting cables, as component in packing materials, as soil improver, and as artificial soil for plant breeding.
    • PCT No.PCT / EP94 / 03153 Sec。 371日期:1996年3月26日 102(e)1996年3月26日PCT PCT 1994年9月21日PCT公布。 第WO95 / 09014号公报 日期1995年04月6日本发明涉及吸收水,水或液体液体的粉末状,不溶性,水溶胀性交联聚合物,其由a)55-99.9重量% 聚合的不饱和的,可聚合的含酸基团的单体,其被中和到至少25摩尔%的程度,b)0-40重量% 与a)共可共聚的聚合不饱和单体,c)0.1-5.0重量% 的交联剂,和d)0-30重量% 的水溶性聚合物,a)至d)的重量相对于无水聚合物,并且将聚合物粉末与至少具有与酸基反应的双官能化合物加热至150℃-250℃的温度 在表面的交联下,将已经表面交联的聚合物粉末在150℃的温度下使用至少具有与酸基反应的双官能化合物进行重复的表面交联处理 本发明还涉及一种生产这些聚合物的方法及其作为水和含水液体的吸收剂的用途,特别是用于吸收体液的结构,以及在导电或发光的过程中, 传输电缆作为包装材料的组分,作为土壤改良剂,以及作为植物育种的人造土壤。
    • 10. 发明授权
    • Fluid-absorbing polymers, processes used in their production and their
application
    • 流体吸收聚合物,其生产中使用的方法及其应用
    • US5837789A
    • 1998-11-17
    • US752889
    • 1996-11-20
    • Dolf StockhausenHans-Georg HartanHelmut BrehmGerd JonasBernfried MessnerKlaus Pflueger
    • Dolf StockhausenHans-Georg HartanHelmut BrehmGerd JonasBernfried MessnerKlaus Pflueger
    • A61F13/53A61F5/44A61F13/49A61L15/60C08F220/06C08F251/00C08F261/04C08F290/06H01B3/30C08F220/28C08F220/18C08F220/56C08F226/02
    • C08F290/062A61L15/60C08F251/00C08F261/04H01B3/30
    • The present invention relates to superabsorbent cross-linked polymers for watery liquids, which are built-up of partially neutralized monomers having monoethylenlcally unsaturated acid groups, optionally further monomers copolymerizable therewith, as well as polymers optionally suitable as graft basis, and which can be manufactured by using a cross-linker/monomer combination of CH.sub.2 .dbd.CHR.sup.6 --CO--(OCHR.sup.3 --CHR.sup.3).sub.z O--CH.sub.2 --CHR.sup.6 .dbd.CH.sub.2 CH.sub.2 .dbd.CHR.sup.6 --R.sup.5 --(OCHR.sup.3 --CHR.sup.3).sub.v OR.sup.4R.sup.1 --�O(CHR.sup.3 --CHR.sup.3 O).sub.u --CO--R.sup.2 !.sub.x, and/or di- or triallylamine and/or bisacrylamide with R.sup.1 : multivalent C2-10-alkyl, R.sup.2 : linear or branched C2-10-alkenyl, R.sup.3 : H, CH.sub.3, C.sub.2 H.sub.5, R.sup.4 : H, linear or branched C1-10-alkyl, R.sup.6 : CO, CH.sub.2 R.sup.8 : H, CH.sub.3 x: 2-6 u: 0-15 V: 1-45 z: 3-20 As compared with the state of the art, the polymers according to the present invention have an improved combination of the properties retention, liquid absorption under pressure at 63 g/cm.sup.2 and soluble contents, moreover, they have an Increased permeability of the gel layer for watery liquids, a high suction rate, and a high swelling pressure. The polymers are used as absorbents for water and watery liquids in constructions for the absorption of body fluids, In electricity or light-conducting cables, and in plant raising.
    • 本发明涉及用于水性液体的超吸收性交联聚合物,其由具有单乙烯烯不饱和酸基团的部分中和的单体组成,任选地可与其共聚的其它单体,以及任选地适合作为接枝基的聚合物,并且可以制造 通过使用CH 2 = CHR 6 -CO-(OCHR 3 -CHR 3)z O-CH 2 -CHR 6 = CH 2 CH 2 = CHR 6 -R 5 - (OCHR 3 -CHR 3)vOR 4 R 1 - [O(CHR 3 -CHR 3 O)u的交联剂/单体组合 -CO-R2] x,和/或二烯或三烯丙基胺和/或双丙烯酰胺与R1:多价C 2-10 - 烷基,R 2:直链或支链C 2-10 - 烯基,R 3:H,CH 3,C 2 H 5,R 4:H, 直链或支链C 1-10 - 烷基,R 6:CO,CH 2 R 8:H,CH 3 x:2-6 u:0-15 V:1-45 z:3-20与现有技术相比,根据 本发明具有改进的性能保持性,在63g / cm 2的压力下的液体吸收和可溶性内容物的组合,此外,它们具有增加水性液体凝胶层的渗透性 ,高吸入率和高膨胀压力。 聚合物被用作用于吸收体液,电力或导电电缆以及植物提取的结构中的水和含水液体的吸收剂。