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公开(公告)号：EP2137262B1
公开(公告)日：2011-08-24
申请号：EP08717905.7
申请日：2008-03-17
Applicant: BASF SE
Inventor： BARTHEL, Holger , WENDKER, Martin , WITT, Reiner
IPC: C08L101/14 , C08J3/12
CPC classification number: B01D53/28 , B01D2253/202 , B01J20/26 , B01J20/261 , B01J20/3295 , B01J2220/68 , C08J3/124 , C08J2300/14
Abstract: The invention relates to a method for producing water-absorbing polymer particles, wherein in a mixer water-absorbing polymer particles are coated with a particulate solid matter, the particulate solid matter is dispersed by means of a gas flow, and the supply of the dispersed particulate solid matter ends in the mixer beneath the product bed surface.
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2.发明公开
公开(公告)号：EP1960440A1
公开(公告)日：2008-08-27
申请号：EP06819855.5
申请日：2006-11-30
Applicant: BASF SE
Inventor： WENDKER, Martin , HERFERT, Norbert , MCCORMACK, Paul Walter
CPC classification number: A61L15/60 , C08F8/00 , C08F2800/20 , C08F2810/20 , C08L33/06 , C08F220/06
Abstract: A process for preparing water-absorbing polymers by polymerizing a monomer solution comprising at least one ethylenically unsaturated monomer which bears acid groups and may be at least partly neutralized, from 0.01 to 0.5% by weight of at least one crosslinker, based on the monomer, wherein the monomer solution is polymerized and the resulting polymer is aftertreated with from 0.05 to 0.25% by weight of at least one postcrosslinker, based on the polymer, where the postcrosslinker is not a polyol, and from 0.05 to 0.5% by weight of at least one polyvalent cation, based on the polymer.
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公开(公告)号：EP2714104A1
公开(公告)日：2014-04-09
申请号：EP12723208.0
申请日：2012-05-24
Applicant: BASF SE
Inventor： WEISMANTEL, Matthias , RIEGEL, Ulrich , BRAUN, Markus , WENDKER, Martin , GIEGER, Thomas
CPC classification number: A61L15/60 , B01F7/042 , B01F11/0054 , B01F15/065 , B01F15/068 , B01F2015/061
Abstract: The invention relates to a method for producing water-absorbing polymer particles by polymerizing an aqueous monomer solution in a kneader having at least two shafts that rotate in an axially parallel manner, wherein the reaction mixture is transported in the axial direction and the area at the beginning of the kneader is trace heated.
Abstract translation: 本发明涉及一种通过在具有至少两个以轴向平行方式旋转的轴的捏合机中聚合单体水溶液来制备吸水聚合物颗粒的方法，其中反应混合物沿轴向方向传送，并且在 捏合机的开始是微量加热的。
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公开(公告)号：EP2137239B1
公开(公告)日：2011-06-08
申请号：EP08735427.0
申请日：2008-03-17
Applicant: BASF SE
Inventor： BARTHEL, Holger , WENDKER, Martin , WITT, Reiner , VOGT, Josef
IPC: C08J3/24
CPC classification number: C08J3/245 , C08J3/122 , C08J3/124 , C08J2300/14 , C08J2333/02
Abstract: The invention relates to a method for producing water-absorbent polymer particles. A liquid is sprayed below the product bed surface in a mixer having displaceable mixing tools by means of at least one spray nozzle.
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公开(公告)号：EP2129706B1
公开(公告)日：2011-05-18
申请号：EP08717907.3
申请日：2008-03-17
Applicant: BASF SE
Inventor： BARTHEL, Holger , WENDKER, Martin , WITT, Reiner , FLORE, Karin
CPC classification number: C08F2/18 , A61L15/60 , C08J3/245 , C08J2333/02
Abstract: The invention relates to a method for producing water-absorbent polymer particles. A liquid is sprayed onto water-absorbent polymer particles in mixing means of at least one thermally insulated and/or heat-traced spray nozzle.
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Patent Agency Ranking
公开(公告)号：EP2137239A1
公开(公告)日：2009-12-30
申请号：EP08735427.0
申请日：2008-03-17
Applicant: BASF SE
Inventor： BARTHEL, Holger , WENDKER, Martin , WITT, Reiner , VOGT, Josef
IPC: C08J3/24
CPC classification number: C08J3/245 , C08J3/122 , C08J3/124 , C08J2300/14 , C08J2333/02
Abstract: The invention relates to a method for producing water-absorbent polymer particles. A liquid is sprayed below the product bed surface in a mixer having displaceable mixing tools by means of at least one spray nozzle.
Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法。 借助于至少一个喷嘴在具有可移动的混合工具的混合器中将液体喷射到产品床表面下方。
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7.发明公开PROCESS FOR PRODUCING RE-MOISTURISED SURFACE-CROSSLINKED SUPERABSORBENTS 无效用于生产NACHBEFEUCHTETEN表面交联高吸水性树脂
公开(公告)号：EP2134772A1
公开(公告)日：2009-12-23
申请号：EP08717547.7
申请日：2008-03-10
Applicant: BASF SE
Inventor： HERFERT, Norbert , WENDKER, Martin , BARTHEL, Holger , CHIANG, William G-J
IPC: C08J3/24 , C08L101/14
CPC classification number: C08J3/245 , C08J2300/14
Abstract: Re-moisturised, surface-crosslinked superabsorbents are produced using a process that comprises the steps of contacting a superabsorbent base polymer with an organic crosslinker and a polyvalent metal salt solution in the presence of an alcohol, heat- treating to produce a surface-crosslinked, dry superabsorbent and re-moisturising the surface-crosslinked dry superabsorbent.
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8.发明授权PROCESS FOR PRODUCING RE-MOISTURISED SURFACE-CROSSLINKED SUPERABSORBENTS 无效用于生产NACHBEFEUCHTETEN表面交联高吸水性树脂
公开(公告)号：EP2134772B1
公开(公告)日：2013-06-05
申请号：EP08717547.7
申请日：2008-03-10
Applicant: BASF SE
Inventor： HERFERT, Norbert , WENDKER, Martin , BARTHEL, Holger , CHIANG, William G-J
IPC: C08J3/24 , C08L101/14
CPC classification number: C08J3/245 , C08J2300/14
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公开(公告)号：EP2137262A2
公开(公告)日：2009-12-30
申请号：EP08717905.7
申请日：2008-03-17
Applicant: BASF SE
Inventor： BARTHEL, Holger , WENDKER, Martin , WITT, Reiner
IPC: C08L101/14
CPC classification number: B01D53/28 , B01D2253/202 , B01J20/26 , B01J20/261 , B01J20/3295 , B01J2220/68 , C08J3/124 , C08J2300/14
Abstract: The invention relates to a method for producing water-absorbing polymer particles, wherein in a mixer water-absorbing polymer particles are coated with a particulate solid matter, the particulate solid matter is dispersed by means of a gas flow, and the supply of the dispersed particulate solid matter ends in the mixer beneath the product bed surface.
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公开(公告)号：EP2129706A1
公开(公告)日：2009-12-09
申请号：EP08717907.3
申请日：2008-03-17
Applicant: BASF SE
Inventor： BARTHEL, Holger , WENDKER, Martin , WITT, Reiner , FLORE, Karin
CPC classification number: C08F2/18 , A61L15/60 , C08J3/245 , C08J2333/02
Abstract: The invention relates to a method for producing water-absorbent polymer particles. A liquid is sprayed onto water-absorbent polymer particles in mixing means of at least one thermally insulated and/or heat-traced spray nozzle.
Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法。 在至少一个隔热和/或伴热喷雾喷嘴的混合装置中将液体喷雾到吸水聚合物颗粒上。
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