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公开(公告)号：US20140066584A1
公开(公告)日：2014-03-06
申请号：US14011384
申请日：2013-08-27
Applicant: BASF SE
Inventor： Monte Peterson , John Perry Guentzel , Gregory Boykin , Leo Van Miert , Rene Callot , Oskar Stephan , Rüdiger Funk , Matthias Weismantel
IPC: B01J20/26
CPC classification number: B01J20/261 , A61L15/60 , B01J2220/68 , C08F2/10 , C08F6/008 , C08J3/245 , C08J2333/02 , C08L33/02
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization, drying the resulting polymer gel on a through circulation belt dryer, crushing the dried polymer gel, pre-grinding, separating of incompletely dried particles with a perforated plate, grinding and classifying the resulting polymer particles.
Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，包括聚合，在循环带式干燥机上干燥所得聚合物凝胶，粉碎干燥的聚合物凝胶，预研磨，用多孔板分离不完全干燥的颗粒，研磨 并分级得到的聚合物颗粒。
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公开(公告)号：US09486777B2
公开(公告)日：2016-11-08
申请号：US14011384
申请日：2013-08-27
Applicant: BASF SE
Inventor： Monte Peterson , John Perry Guentzel , Gregory Boykin , Leo Van Miert , Rene Callot , Oskar Stephan , Rüdiger Funk , Matthias Weismantel
CPC classification number: B01J20/261 , A61L15/60 , B01J2220/68 , C08F2/10 , C08F6/008 , C08J3/245 , C08J2333/02 , C08L33/02
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization, drying the resulting polymer gel on a through circulation belt dryer, crushing the dried polymer gel, pre-grinding, separating of incompletely dried particles with a perforated plate, grinding and classifying the resulting polymer particles.
Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，包括聚合，在循环带式干燥机上干燥所得聚合物凝胶，粉碎干燥的聚合物凝胶，预研磨，用多孔板分离不完全干燥的颗粒，研磨 并分级得到的聚合物颗粒。
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Patent Agency Ranking
公开(公告)号：US20220089789A1
公开(公告)日：2022-03-24
申请号：US17422466
申请日：2020-01-13
Applicant: BASF SE
Inventor： Rene Callot , Karl Possemiers , Ruediger Funk , Marco Krueger , Matthias Weismantel , Juergen Schroeder
IPC: C08F2/18 , C08F2/04 , C08F20/04 , C08F6/00 , B01J20/26 , F26B17/04 , F26B17/02 , B01J20/285 , A61F13/53
Abstract: A process for producing superabsorbent particles by polymerizing a monomer solution or suspension, comprising drying of the resultant aqueous polymer gel in an air circulation belt dryer, grinding, classifying, and optionally thermal surface postcrosslinking, wherein the aqueous polymer gel is introduced into the air circulation belt dryer by means of an oscillating conveyor belt and that guide devices are located at the edges of the conveyor belt.
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公开(公告)号：US20210338882A1
公开(公告)日：2021-11-04
申请号：US17272364
申请日：2019-09-17
Applicant: BASF SE
Inventor： Rene Callot , Ruediger Funk , Marco Krueger , Thomas Pfeiffer , Karl Possemiers , Juergen Schroeder , Matthias Weismantel
Abstract: A process for producing superabsorbent particles by polymerizing a monomer solution or suspension, comprising drying of the resultant aqueous polymer gel in an air circulation belt drier, grinding, classifying, and optionally thermal surface postcrosslinking, wherein the aqueous polymer gel is introduced into the air circulation belt drier by means of an oscillating conveyor belt, the underside of the revolving conveyor belt is freed of adhering polymer gel by means of at least one stripper device, and the underside of the revolving conveyor belt is sprayed with water.
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公开(公告)号：US12059504B2
公开(公告)日：2024-08-13
申请号：US17272364
申请日：2019-09-17
Applicant: BASF SE
Inventor： Rene Callot , Ruediger Funk , Marco Krueger , Thomas Pfeiffer , Karl Possemiers , Juergen Schroeder , Matthias Weismantel
CPC classification number: A61L15/60 , B01J20/261 , B08B1/165 , B08B1/20 , C08F220/06 , C08J3/245 , B01J2220/68 , C08F6/008
Abstract: A process for producing superabsorbent particles by polymerizing a monomer solution or suspension, comprising drying of the resultant aqueous polymer gel in an air circulation belt drier, grinding, classifying, and optionally thermal surface postcrosslinking, wherein the aqueous polymer gel is introduced into the air circulation belt drier by means of an oscillating conveyor belt, the underside of the revolving conveyor belt is freed of adhering polymer gel by means of at least one stripper device, and the underside of the revolving conveyor belt is sprayed with water.
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公开(公告)号：US09382393B2
公开(公告)日：2016-07-05
申请号：US14427012
申请日：2013-09-19
Applicant: BASF SE
Inventor： Norbert Eugen Voll , Oskar Stephan , Karl J. Possemiers , Matthias Weismantel , Rüdiger Funk , Monte Peterson , Leo Van Miert , Rene Callot
IPC: C08F2/00 , F26B19/00 , F26B25/00 , C08J5/00 , C08F220/06 , C08F222/10
CPC classification number: C08J5/00 , C08F220/06 , C08F222/1006 , C08J2333/02 , F26B25/00
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization and drying the resulting polymer gel on a through-circulation belt dryer having at the end of the belt in transport direction a means for guiding the dried polymer gel down towards a means for crushing the dried polymer gel.
Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，其包括将聚合物凝胶聚合并干燥在循环带式干燥器上，该循环带式干燥器在输送方向上在带端部具有将干燥的聚合物凝胶向下引导的装置 破碎干燥聚合物凝胶的方法。
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公开(公告)号：US20150315343A1
公开(公告)日：2015-11-05
申请号：US14427012
申请日：2013-09-19
Applicant: BASF SE
Inventor： Norbert Eugen Voll , Oskar Stephan , Karl J. Possemiers , Matthias Weismantel , Rüdiger Funk , Monte Peterson , Leo Van Miert , Rene Callot
CPC classification number: C08J5/00 , C08F220/06 , C08F222/1006 , C08J2333/02 , F26B25/00
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization and drying the resulting polymer gel on a through-circulation belt dryer having at the end of the belt in transport direction a means for guiding the dried polymer gel down towards a means for crushing the dried polymer gel.
Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，其包括将聚合物凝胶聚合并干燥在循环带式干燥器上，该循环带式干燥器在输送方向上在带端部具有将干燥聚合物凝胶向下引导的装置 破碎干燥聚合物凝胶的方法。
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