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1.发明公开VERFAHREN ZUR ENTFERNUNG VON RESTMONOMEREN AUS WASSERABSORBIERENDEN POLYMERPARTIKELN 有权METHOD FOR从吸水性聚合物颗粒中除去残余单体
公开(公告)号：EP2550304A1
公开(公告)日：2013-01-30
申请号：EP11709140.5
申请日：2011-03-22
申请人： BASF SE
发明人： WENGELER, Robert , FLORE, Karin
CPC分类号： C08F6/005 , Y10T428/2982 , C08L33/02
摘要： The invention relates to a method for removing residual monomers from water-absorbent polymer particles, wherein the water-absorbent polymer particles are subsequently heat-treated in a mixer with rotating mixing tools at a temperature of at least 60°C in the presence of steam.
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2.发明公开A PROCESS FOR PRODUCING WATER-ABSORBENT POLYMER PARTICLES BY POLYMERIZING DROPLETS OF A MONOMER SOLUTION 有权通过聚合单体溶液的液滴生产吸水性聚合物颗粒的方法
公开(公告)号：EP2550306A1
公开(公告)日：2013-01-30
申请号：EP11709720.4
申请日：2011-03-23
申请人： BASF SE
发明人： DANIEL, Thomas , KRÜGER, Marco , FLORE, Karin , BLEI, Stefan , STUEVEN, Uwe , HERFERT, Norbert , MITCHELL, Michael A.
IPC分类号： C08F2/10
CPC分类号： C08F2/10 , A61L15/60 , B01J8/0045 , B01J8/006 , B01J8/1827 , B01J2208/00274 , B01J2219/00006 , C08F2/34 , C08F220/06 , C08F222/1006
摘要： The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, which comprises thermal postcrosslinking in the presence of steam.
摘要翻译： 本发明涉及一种生产吸水聚合物颗粒的方法，该方法通过在周围的加热气相中聚合单体溶液的液滴并使气流并流通过聚合室，该方法包括在蒸汽存在下热后交联。
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3.发明授权VERFAHREN ZUR HERSTELLUNG EINES RIESELFÄHIGEN UND LAGERSTABILEN FESTSTOFFES ENTHALTEND IM WESENTLICHEN ALPHA-ALANIN-N,N-DIESSIGSÄURE UND/ODER EIN ODER MEHRERE DERIVATE DER ALPHA-ALANIN-N,N-DIESSIGSÄURE 有权用于生产和流动储存稳定的固体基本上包含α-丙氨酸-N，N-二和/或一种或多种α-丙氨酸-N，衍生物N-二
公开(公告)号：EP2175975B1
公开(公告)日：2012-06-20
申请号：EP08774531.1
申请日：2008-06-30
申请人： BASF SE
发明人： HEINZ, Robert , FLORE, Karin , KISSAU, Lars , HEIDENFELDER, Thomas , SEEBECK, Tanja , MRZENA, Frank
CPC分类号： C07C227/44 , B01J2/22 , B01J2/30 , C11D7/3245 , C11D17/0047 , C07C229/16
摘要： What is proposed is a process for producing a free-flowing and storage-stable solid comprising essentially a-alanine-N,N-diacetic acid and/or one or more derivatives of a-alanine-N,N-diacetic acid, proceeding from a powder of a-alanine-N,N-diacetic acid and/or one or more derivatives of a-alanine-N,N-diacetic acid, by a. compacting the powder of a-alanine-N,N-diacetic acid on a roller press to obtain slugs, b. crushing the slugs and c. screening the crushed slugs, which is characterized in that the compaction on the roller press is carried out with addition of polyethylene glycol having a melting point greater than 35°C.
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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
申请人： BASF SE
发明人： BARTHEL, Holger , WENDKER, Martin , WITT, Reiner , FLORE, Karin
CPC分类号： C08F2/18 , A61L15/60 , C08J3/245 , C08J2333/02
摘要： 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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5.发明公开VERFAHREN ZUR HERSTELLUNG EINES RIESELFÄHIGEN UND LAGERSTABILEN FESTSTOFFES ENTHALTEND IM WESENTLICHEN ALPHA-ALANIN-N,N-DIESSIGSÄURE UND/ODER EIN ODER MEHRERE DERIVATE DER ALPHA-ALANIN-N,N-DIESSIGSÄURE 有权用于生产流动和储存稳定的固体基本上包含α-丙氨酸-N，N-二和/或一种或多种α-丙氨酸-N，衍生物N-二
公开(公告)号：EP2175975A1
公开(公告)日：2010-04-21
申请号：EP08774531.1
申请日：2008-06-30
申请人： BASF SE
发明人： HEINZ, Robert , FLORE, Karin , KISSAU, Lars , HEIDENFELDER, Thomas , SEEBECK, Tanja , MRZENA, Frank
IPC分类号： B01J2/30 , C07C227/44 , C11D3/33 , C11D3/37
CPC分类号： C07C227/44 , B01J2/22 , B01J2/30 , C11D7/3245 , C11D17/0047 , C07C229/16
摘要： What is proposed is a process for producing a free-flowing and storage-stable solid comprising essentially a-alanine-N,N-diacetic acid and/or one or more derivatives of a-alanine-N,N-diacetic acid, proceeding from a powder of a-alanine-N,N-diacetic acid and/or one or more derivatives of a-alanine-N,N-diacetic acid, by a. compacting the powder of a-alanine-N,N-diacetic acid on a roller press to obtain slugs, b. crushing the slugs and c. screening the crushed slugs, which is characterized in that the compaction on the roller press is carried out with addition of polyethylene glycol having a melting point greater than 35°C.
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公开(公告)号：EP2550304B2
公开(公告)日：2018-09-19
申请号：EP11709140.5
申请日：2011-03-22
申请人： BASF SE
发明人： WENGELER, Robert , FLORE, Karin
CPC分类号： C08F6/005 , Y10T428/2982 , C08L33/02
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公开(公告)号：EP2473536B1
公开(公告)日：2014-11-12
申请号：EP10749643.2
申请日：2010-09-02
申请人： BASF SE
发明人： DOBRAWA, Rainer , DANIEL, Thomas , STUEVEN,Uwe , KRÜGER, Marco , LOPEZ VILLANUEVA, Francisco Javier , HERFERT, Norbert , MITCHELL, Michael, A. , FLORE, Karin , BLEI, Stefan
IPC分类号： C08F2/10
CPC分类号： B01J20/26 , A61L15/60 , B01J20/264 , B01J20/3085 , C08F2/10 , C08F220/06 , C08F222/1006 , Y10T428/249958 , Y10T428/249981 , Y10T428/254 , Y10T428/2982 , Y10T428/31935
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公开(公告)号：EP2473536A1
公开(公告)日：2012-07-11
申请号：EP10749643.2
申请日：2010-09-02
申请人： BASF SE
发明人： DOBRAWA, Rainer , DANIEL, Thomas , STUEVEN,Uwe , KRÜGER, Marco , LOPEZ VILLANUEVA, Francisco Javier , HERFERT, Norbert , MITCHELL, Michael, A. , FLORE, Karin , BLEI, Stefan
IPC分类号： C08F2/10
CPC分类号： B01J20/26 , A61L15/60 , B01J20/264 , B01J20/3085 , C08F2/10 , C08F220/06 , C08F222/1006 , Y10T428/249958 , Y10T428/249981 , Y10T428/254 , Y10T428/2982 , Y10T428/31935
摘要： The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, wherein the temperature of the gas leaving the polymerization chamber is 130°C or less, the gas velocity inside the polymerization chamber is at least 0.5 m/s, and the droplets are generated by using a droplet plate having a multitude of bores.
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9.发明授权VERFAHREN ZUR ENTFERNUNG VON RESTMONOMEREN AUS WASSERABSORBIERENDEN POLYMERPARTIKELN 有权从吸水性聚合物颗粒中除去剩余单体的方法
公开(公告)号：EP2550304B1
公开(公告)日：2015-05-13
申请号：EP11709140.5
申请日：2011-03-22
申请人： BASF SE
发明人： WENGELER, Robert , FLORE, Karin
CPC分类号： C08F6/005 , Y10T428/2982 , C08L33/02
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公开(公告)号：EP2812365A1
公开(公告)日：2014-12-17
申请号：EP13702226.5
申请日：2013-02-01
申请人： BASF SE
发明人： FLORE, Karin , DANIEL, Thomas , VOITL, Agnes , IFFLAND, Gabriele
IPC分类号： C08F220/06
CPC分类号： C08F220/06
摘要： The invention relates to a method for producing water-absorbing polymer particles by polymerizing an aqueous monomer solution or monomer suspension, comprising at least one ethylenically unsaturated, acid-group-bearing monomer, which monomer is at least partially neutralized by adding a neutralizing agent, wherein the neutralizing agent is filtered before being added.
摘要翻译： 本发明涉及一种通过聚合含有至少一种烯属不饱和含酸基单体的单体水溶液或单体悬浮液来制备吸水聚合物颗粒的方法，该单体通过加入中和剂至少部分中和， 其中中和剂在加入之前被过滤。
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