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1. 发明授权

US5684104A Water-swellable hydrophilic polymers 失效
标题翻译：水溶胀性亲水聚合物
公开(公告)号：US5684104A
公开(公告)日：1997-11-04
申请号：US687005
申请日：1996-07-18
申请人： Rudiger Funk , Fritz Engelhardt , Ulrich Riegel , Michael Wessling
发明人： Rudiger Funk , Fritz Engelhardt , Ulrich Riegel , Michael Wessling
IPC分类号： A61L15/24 , A61L15/60 , C08F4/04 , C08F4/32 , C08F4/36 , C08F20/04 , C08F251/00 , C08F283/06 , C08F20/58
CPC分类号： C08F283/06 , A61L15/24 , A61L15/60 , C08F20/04 , C08F251/00 , C08F4/36
摘要： Method for avoiding network defects due to unwanted secondary reactions during the polymerization in water-swellable hydrophilic polymers which contain polymers prepared by free radical (co)polymerization of one or more hydrophilic monomers of the formula I ##STR1## wherein R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 is the group --COOR.sup.4, the sulphonyl group, the phosphonyl group, the phosphonyl group-esterified by (C.sub.1 -C.sub.4)-alkanol or a group of the formula ##STR2## R.sup.3 is hydrogen, methyl, ethyl or the carboxyl group, R.sup.4 is hydrogen, amino or hydroxy-(C.sub.1 -C.sub.4)-alkyl and R.sup.5 is the sulphonyl group, the phosphonyl group or the carboxyl group, or grafting (co)polymerization of one or more hydrophilic monomers of the formula I onto a grafting base, using a free radical initiator which forms three or more free radical sites per molecule.
摘要翻译：在水溶胀性亲水性聚合物中避免由于在聚合期间不期望的二次反应引起的网络缺陷的方法，其含有通过一种或多种式I的亲水性单体的自由基（共）聚合制备的聚合物，其中R 1是氢，甲基或乙基，R 2为-COOR 4基团，磺酰基，膦酰基，被（C 1 -C 4） - 烷醇酯化的膦酰基或下式的基团是氢，甲基，乙基或羧基，R4是氢，氨基或羟基 - （C1-C4） - 烷基，R5是磺酰基，膦酰基或羧基，或一种或多种式I的亲水性单体接枝（共）聚合到接枝上碱，使用每分子形成三个或更多个自由基位点的自由基引发剂。

2. 发明授权

US5731365A Hydrophilic, highly swellable hydrogels 失效
标题翻译：亲水，高度溶胀的水凝胶
公开(公告)号：US5731365A
公开(公告)日：1998-03-24
申请号：US504130
申请日：1995-07-19
申请人： Fritz Engelhardt , Norbert Herfert , Uwe Stuven , Ulrich Riegel , Rudiger Funk , Detlev Seip
发明人： Fritz Engelhardt , Norbert Herfert , Uwe Stuven , Ulrich Riegel , Rudiger Funk , Detlev Seip
IPC分类号： A61F13/53 , A61F13/15 , A61F13/49 , B01D15/00 , B01J20/26 , C08G59/40 , C08J3/12 , C08J7/04 , C08L1/00 , C08L1/02 , C08L3/00 , C08L3/04 , C08L33/04 , C08L33/08 , C08L33/10 , C08L51/00 , C08L59/00 , C08L63/00 , C08L67/00 , C08L67/02 , C08L69/00 , C08L75/00 , C08L75/02 , C08L75/04 , C08L83/02 , C08L83/04 , C08L101/00 , C09K17/00 , B01J20/32 , C08J3/075
CPC分类号： C08J3/12 , C08J2300/14 , Y10S524/916 , Y10T428/2998
摘要： The present invention relates to hydrophilic, highly swellable hydrogels which are coated with non-reactive, water-insoluble film-forming polymers.
摘要翻译：本发明涉及用非反应性水不溶性成膜聚合物涂覆的亲水性，高度可溶胀的水凝胶。

3. 发明授权

US5258448A Absorbent polymers, manufacturing process and their use in particular for sanitary articles 失效
标题翻译：吸收性聚合物，制造工艺及其特别用于卫生用品的用途
公开(公告)号：US5258448A
公开(公告)日：1993-11-02
申请号：US957006
申请日：1992-10-06
申请人： Paul Mallo , Fritz Engelhardt , Ulrich Riegel , Rudiger Funk
发明人： Paul Mallo , Fritz Engelhardt , Ulrich Riegel , Rudiger Funk
IPC分类号： A61F13/53 , A61L15/18 , A61L15/60 , C08F2/32 , C08F6/06 , C08F6/24 , C08F8/00 , C08F20/04 , C08F20/06 , C08F120/04
CPC分类号： C08F20/06 , A61L15/18 , A61L15/60
摘要： Hydrophobic, cross-linked absorbent polymers, insoluble in water, in the form of microbeads , based on silica and acrylic acid partially salified by an alkali metal, are obtained by a polymerization process in a water-in-oil suspension in which an aqueous phase obtained extemporaneously from (1), an aqueous solution containing one or more hydrosoluble polymerization initiators, which are free radical generators, and (2), an aqueous phase containing at a concentration of 50.+-.15% by weight a mixture of by weight 2 to 25% of colloidal silica and 98 to 75% of acrylic acid of which 60 to 80 is salified by an alkaline metal, is introduced slowly, under agitation, into a totally deoxygenated oil phase maintained at boiling point and containing a protective colloid, with an aqueous phase to oil phase weight ratio of between 0.8 and 1.2, then when the polymerization reaction is finished, 15 to 55% of the water present is eliminated by azeotropic distillation with recycling of the organic solvent, then 0.01 to 0.06% in molar proportions relative to the monomers of ethyleneglycol diglycidyl ether is introduced into the reaction mixture at boiling point and azeotropic distillation of the residual water is continued until a suspension is obtained which has a dry content of 85.+-.10% and finally the desired polymer is isolated by filtration; use as absorbent compound and in a sanitary article.
摘要翻译：通过在油包水悬浮液中的聚合方法获得以碱金属部分盐化的基于二氧化硅和丙烯酸的微珠形式的不溶于水的疏水性交联吸收性聚合物，其中水相从（1）中得到的含有一种或多种作为自由基发生剂的水溶性聚合引发剂的水溶液，和（2）含有浓度为50 +/- 15重量％的混合物的水相，在搅拌下将2〜25％的胶体二氧化硅和98〜75％的丙烯酸（其中60〜80）用碱金属盐化，缓慢加入到保持在沸点并含有保护胶体的完全脱氧油相中，水相 - 油相重量比在0.8和1.2之间，然后当聚合反应完成时，通过共沸蒸馏除去存在的15-55％的水，并回收有机溶液 nt，然后相对于乙二醇二缩水甘油醚单体的摩尔比例为0.01至0.06％，在沸点下引入该反应混合物，继续共沸蒸馏残余水直至获得干燥含量为85 + / -10％，最后通过过滤分离所需的聚合物; 用作吸收剂化合物和卫生制品。

4. 发明授权

US5594083A Water-swellable hydrophilic polymers 失效
标题翻译：水溶胀性亲水聚合物
公开(公告)号：US5594083A
公开(公告)日：1997-01-14
申请号：US408534
申请日：1995-03-22
申请人： R udiger Funk , Fritz Engelhardt , Ulrich Riegel , Michael Wessling
发明人： R udiger Funk , Fritz Engelhardt , Ulrich Riegel , Michael Wessling
IPC分类号： A61L15/24 , A61L15/60 , C08F4/04 , C08F4/32 , C08F4/36 , C08F20/04 , C08F251/00 , C08F283/06 , C08F20/58
CPC分类号： C08F283/06 , A61L15/24 , A61L15/60 , C08F20/04 , C08F251/00 , C08F4/36
摘要： Water-swellable hydrophilic polymers which contain polymers prepared by free radical (co)polymerization of one or more hydrophilic monomers of the formula I ##STR1## wherein R.sup.1 is hydrogen, methyl or ethyl,R.sup.2 is the group --COOR.sup.4, the sulphonyl group, the phosphonyl group, the phosphonyl group esterified by (C.sub.1 -C.sub.4)-alkanol or a group of the formula ##STR2## R.sup.3 is hydrogen, methyl, ethyl or the carboxyl group, R.sup.4 is hydrogen, amino or hydroxy-(C.sub.1 -C.sub.4)-alkyl andR.sup.5 is the sulphonyl group, the phosphonyl group or the carboxyl group, or grafting (co)polymerization of one or more hydrophilic monomers of the formula I onto a grafting base, using a free radical initiator which forms three or more free radical sites per molecule.
摘要翻译：水溶胀性亲水性聚合物，其含有通过一种或多种式I的亲水性单体（I）的自由基（共）聚合制备的聚合物，其中R 1是氢，甲基或乙基，R 2是基团-COOR 4，磺酰基（C 1 -C 4） - 烷醇酯化的膦酰基或式（R 3）的基团是氢，甲基，乙基或羧基，R 4是氢，氨基或羟基 - （C 1 -C 4） C4） - 烷基，R5是磺酰基，膦酰基或羧基，或者将一种或多种式I的亲水性单体接枝（共）聚合到接枝基上，使用形成三个或更多个的自由基引发剂每个分子的自由基位点。

5. 发明授权

US6107432A Water-swellable, hydrophilic polymer compositions 失效
标题翻译：水溶胀性亲水性聚合物组合物
公开(公告)号：US6107432A
公开(公告)日：2000-08-22
申请号：US84941
申请日：1998-05-26
申请人： Fritz Engelhardt , Rudiger Funk , Norbert Herfert , Matthias Weismantel
发明人： Fritz Engelhardt , Rudiger Funk , Norbert Herfert , Matthias Weismantel
IPC分类号： A61F13/53 , A61L15/60 , C08F2/44 , C08F4/04 , C08F4/34 , C08F4/36 , C08F20/00 , C08F20/04 , C08F251/00 , C08G63/00
CPC分类号： C08F251/00 , A61L15/60 , C08F20/04 , C08F4/36
摘要： The present invention relates to water-swellable, hydrophilic polymer compositions which can be prepared by free-radical (co)polymerization of one or more hydrophilic monomers in the presence of starch and/or chemically modified starch, wherein a free-radical initiator which forms three or more free radical sites per molecule is used.
摘要翻译：本发明涉及水溶胀性亲水性聚合物组合物，其可通过在淀粉和/或化学改性淀粉的存在下自由基（共）聚合一种或多种亲水单体而制备，其中形成自由基引发剂使用每个分子三个或更多个自由基位点。

6. 发明授权

US5668236A Hydrophilic highly swellable hydrogels 失效
标题翻译：亲水性高度可膨胀的水凝胶
公开(公告)号：US5668236A
公开(公告)日：1997-09-16
申请号：US639510
申请日：1996-04-29
申请人： Fritz Engelhardt , Ulrich Riegel , Uwe Stuven , Helmut Klotzsche , Gustav Remmel
发明人： Fritz Engelhardt , Ulrich Riegel , Uwe Stuven , Helmut Klotzsche , Gustav Remmel
IPC分类号： A61L15/20 , A61L15/60 , C08F8/30 , C08G69/08 , C08G73/10
CPC分类号： C08F8/30 , A61L15/20 , A61L15/60 , Y10S524/916
摘要： The present invention relates to a hydrophilic highly swellable hydrogel based on (co)polymerized hydrophilic monomers or based on graft (co)polymers, characterized in that it is post-crosslinked with a polyamidoamine in an aqueous medium.
摘要翻译：本发明涉及基于（共）聚合的亲水单体或基于接枝（共）聚合物的亲水性高度可溶胀的水凝胶，其特征在于其在水性介质中与聚酰胺胺进行后交联。

7. 发明授权

US4828570A Tanning agent and a process for its preparation 失效
标题翻译：鞣剂及其制备方法
公开(公告)号：US4828570A
公开(公告)日：1989-05-09
申请号：US917600
申请日：1986-10-09
申请人： Ulrich Riegel , Fritz Engelhardt , Kuno Reh , Helmut Croon , Hermann Becker , Werner Lotz
发明人： Ulrich Riegel , Fritz Engelhardt , Kuno Reh , Helmut Croon , Hermann Becker , Werner Lotz
IPC分类号： C14C3/08 , C14C3/16 , C14C3/18
CPC分类号： C14C3/08
摘要： Hides, skins and pelts are tanned by use of a tanning agent which comprises the reaction product of acetaldehyde, formaldehyde and a formylamino compound.
摘要翻译：皮革，皮肤和皮肤通过使用包含乙醛，甲醛和甲酰氨基化合物的反应产物的鞣剂来鞣制。

8. 发明授权

US06472478B1 Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones 有权
标题翻译：用双 - 和多 - 2-恶唑烷酮交联水凝胶的方法
公开(公告)号：US06472478B1
公开(公告)日：2002-10-29
申请号：US09601349
申请日：2000-08-18
申请人： Rüdiger Funk , Volker Frenz , Ulrich Riegel , Matthias Weismantel , Fritz Engelhardt , Thomas Daniel
发明人： Rüdiger Funk , Volker Frenz , Ulrich Riegel , Matthias Weismantel , Fritz Engelhardt , Thomas Daniel
IPC分类号： C08F830
CPC分类号： A61L15/60 , C08F8/30 , Y10S524/916 , Y10T442/699
摘要： The invention relates to a process for the gel or surface postcrosslinking of water-absorbing polymers in which the polymers are treated with a surface postcrosslinking solution and during or after the treatment are postcrosslinked and dried by means of an increase in temperature, the crosslinker being a compound of the formula in which R1 and R2 independently of one another are H, hydroxyl, phenyl or C1-C6-alkyl, R3 is hydrogen, C1-C12-alkyl, C1-C12-alkenyl or C6-C12-aryl and R4 and R5 independently of one another are C1-C12-alkyl, C1-C12-alkenyl, C6-C12-aryl, hydroxyl, C1-C12-alkoxy or hydrogen, dissolved in an inert solvent, to water-absorbing polymers which can be obtained by said process, and to their use in hygiene articles, packaging materials and nonwovens.
摘要翻译：本发明涉及一种吸水聚合物的凝胶或表面后交联方法，其中聚合物用表面后交联溶液处理，并且在处理之间或之后，通过温度升高进行后交联和干燥，交联剂为 R 1和R 2彼此独立地是H，羟基，苯基或C 1 -C 6烷基的化合物，R 3是氢，C 1 -C 12 - 烷基，C 1 -C 12 - 烯基或C 6 -C 12 - 芳基，R 4和R 5 彼此独立地是溶解在惰性溶剂中的C 1 -C 12烷基，C 1 -C 12 - 烯基，C 6 -C 12 - 芳基，羟基，C 1 -C 12 - 烷氧基或氢，可以通过所述过程，以及它们在卫生用品，包装材料和无纺布中的应用。

9. 发明授权

US06559239B1 Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones 失效
标题翻译：水凝胶与N-酰基-2-恶唑烷酮二次交联的方法
公开(公告)号：US06559239B1
公开(公告)日：2003-05-06
申请号：US09831920
申请日：2001-05-29
申请人： Ulrich Riegel , Matthias Weismantel , Volker Frenz , Thomas Daniel , Fritz Engelhardt
发明人： Ulrich Riegel , Matthias Weismantel , Volker Frenz , Thomas Daniel , Fritz Engelhardt
IPC分类号： C08F830
CPC分类号： C08F8/30 , C08J3/245 , C08J2300/14 , C08J2333/02 , C08F220/06
摘要： Liquid-absorbent polymers are prepared by a process for the gel and/or surface postcrosslinking of water-absorbent polymers by the polymer being treated with a surface postcrosslinking solution and being postcrosslinked and dried during and after the treatment by raising the temperature, wherein the surface postcrosslinking solution comprises as crosslinker a compound of the formula I where R1, R2, R3 and R4 are independently hydrogen, C1-C12-alkyl, C1-C12-alkenyl, C6-C12-aryl or C1-C12-alkoxy, R5 is C1-C16-alkyl, C1-C4-hydroxyalkyl, C6-C12-aryl, C1-C16-alkenyl or a group of the formula —(CH2)n—COOH or —(CH2)n—SO3H in the form of the acid or a respective metal salt, ammonium salt or triethanolammonium salt thereof or —(CH2—CH2—O—)m—R6, R6 is hydrogen or C1-C16-alkyl, n is from 1 to 10, m is from 1 to 20 dissolved in an inert solvent, and are used in hygiene articles, packaging materials and nonwovens.
摘要翻译：通过用表面后交联溶液处理的聚合物进行凝胶和/或表面后吸附吸水性聚合物的方法制备液体吸收聚合物，并且在处理之间和之后通过升高温度进行后交联和干燥，其中表面后交联溶液包含作为交联剂的式I化合物，其中R 1，R 2，R 3和R 4独立地是氢，C 1 -C 12 - 烷基，C 1 -C 12 - 烯基，C 6 -C 12 - 芳基或C 1 -C 12 - 烷氧基，R 5是C 1 -C 16 - 烷基，C 1 -C 4 - 羟基烷基，C 6 -C 12 - 芳基，C 1 -C 16 - 烯基或式 - （CH 2）n -COOH或 - （CH 2）n -SO 3 H的基团，其形式为酸或相应的金属盐，铵盐或三乙醇铵盐或 - （CH 2 -CH 2 -O-）m -R 6，R 6是氢或C 1 -C 16 - 烷基，n为1至10，m为1至20，溶于惰性溶剂，用于卫生用品，包装材料和无纺布。

10. 发明授权

US5945495A Use of surfactants in the drying of hydrophilic highly swellable hydrogels 失效
标题翻译：在亲水性高度溶胀性水凝胶的干燥中使用表面活性剂
公开(公告)号：US5945495A
公开(公告)日：1999-08-31
申请号：US785723
申请日：1997-01-17
申请人： Thomas Daniel , Norbert Herfert , Gustav Remmel , Ulrich Riegel , Uwe Stuven , Fritz Engelhardt
发明人： Thomas Daniel , Norbert Herfert , Gustav Remmel , Ulrich Riegel , Uwe Stuven , Fritz Engelhardt
IPC分类号： C08J3/00 , C08J3/075 , C08F20/06
CPC分类号： C08J3/075
摘要： The present invention relates to the use of surfactants for improving the drying properties of hydrophilic, highly swellable hydrogels in the course of drying with the aid of contact dryers.
摘要翻译：本发明涉及使用表面活性剂来改善亲水性高度溶胀性水凝胶在干燥过程中借助于接触式干燥器的干燥性能。

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