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公开(公告)号：US20210402370A1
公开(公告)日：2021-12-30
申请号：US17289287
申请日：2019-11-04
Applicant: BASF SE
Inventor： Monte Alan Peterson , Ronny De Kaey , Karl Possemiers , Juergen Schroeder , Ruediger Funk , Matthias Weismantel
Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising polymerization of a monomer solution, wherein the monomer solution comprises partly neutralized acrylic acid formed by continuous mixing of acrylic acid and an aqueous solution of a base, the apparatus for preparing the partly neutralized acrylic acid comprises a vessel (B), and the feed line to vessel (B) ends inside vessel (B) below the liquid Level of the partly neutralized acrylic acid.
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公开(公告)号：US20200147652A1
公开(公告)日：2020-05-14
申请号：US16630873
申请日：2018-07-20
Applicant: BASF SE
Inventor： Rüdiger Funk , Matthias Weismantel , Monte Alan Peterson , Patrick Neal Hamilton , Ronny De Kaey , Karl Possemiers
Abstract: The invention relates to a classification process for superabsorbent polymer particles, comprising classifying the water-absorbent polymer particles in a screen machine under reduced pressure wherein the pressure above the uppermost sieve is from 0 to 4.0 mbar per sieve higher than below the undermost sieve.
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公开(公告)号：US11883848B2
公开(公告)日：2024-01-30
申请号：US16630873
申请日：2018-07-20
Applicant: BASF SE
Inventor： Rüdiger Funk , Matthias Weismantel , Monte Alan Peterson , Patrick Neal Hamilton , Ronny De Kaey , Karl Possemiers
CPC classification number: B07B13/16 , B01J20/261 , B07B4/08 , B07B11/02 , C08F20/06 , B01J2220/68 , B07B2220/02
Abstract: The invention relates to a classification process for superabsorbent polymer particles, comprising classifying the water-absorbent polymer particles in a screen machine under reduced pressure wherein the pressure above the uppermost sieve is from 0 to 4.0 mbar per sieve higher than below the undermost sieve.
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公开(公告)号：US09550213B2
公开(公告)日：2017-01-24
申请号：US14779990
申请日：2014-03-18
Applicant: BASF SE
Inventor： Karl J. Possemiers , Thomas Pfeiffer , Matthias Weismantel , Rüdiger Funk , Monte Peterson , Sven Serneels , Jeffrey Johnson , Ronny De Kaey
IPC: B07B1/00 , B07B1/46 , B07B9/00 , C08J3/24 , C08L33/02 , A61L15/60 , C08F220/06 , C08J3/12 , G01N15/02
CPC classification number: B07B1/46 , A61L15/60 , B07B9/00 , B07B2201/04 , C08F220/06 , C08J3/12 , C08J3/245 , C08J2333/02 , C08L33/02 , G01N15/0272 , C08F2222/1013
Abstract: A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
Abstract translation: 对吸水性聚合物颗粒进行分级的方法，其中在表面后交联之前和之后使用具有不同网眼尺寸的筛网以除去小尺寸（细粒）。
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公开(公告)号：US08765898B2
公开(公告)日：2014-07-01
申请号：US13974240
申请日：2013-08-23
Applicant: BASF SE
Inventor： Monte Peterson , Ronny De Kaey , Leo Van Miert , Oskar Stephan , Rüdiger Funk , Matthias Weismantel , Dominicus van Esbroeck , Frans van Dyck
IPC: C08F120/06 , C08F20/62 , B32B5/16
CPC classification number: B65B1/04 , C08F2/10 , C08F6/008 , C08F20/06 , C08F220/06 , C08F222/1006 , C08J3/00 , C08J2333/02 , E04H7/22 , Y10T428/2982 , C08L33/02
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising handling water-absorbing polymer particles in intermediate silos, storage silos and/or big bag filing stations that are connected with vent lines having a mitered joint.
Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，包括处理中间筒仓中的吸水聚合物颗粒，储存筒仓和/或大袋装料站，其与具有斜接接头的排气管线连接。
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Patent Agency Ranking
公开(公告)号：US12220686B2
公开(公告)日：2025-02-11
申请号：US17289287
申请日：2019-11-04
Applicant: BASF SE
Inventor： Monte Alan Peterson , Ronny De Kaey , Karl Possemiers , Juergen Schroeder , Ruediger Funk , Matthias Weismantel
Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising polymerization of a monomer solution, wherein the monomer solution comprises partly neutralized acrylic acid formed by continuous mixing of acrylic acid and an aqueous solution of a base, the apparatus for preparing the partly neutralized acrylic acid comprises a vessel (B), and the feed line to vessel (B) ends inside vessel (B) below the liquid Level of the partly neutralized acrylic acid.
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公开(公告)号：US11680142B2
公开(公告)日：2023-06-20
申请号：US16628689
申请日：2018-07-06
Applicant: BASF SE
Inventor： Ruediger Funk , Thomas Pfeiffer , Matthias Weismantel , Monte Alan Peterson , Karl Possemiers , Ronny De Kaey
CPC classification number: C08J3/12 , B07B1/46 , C08J3/075 , C08J3/245 , C08J2300/12 , C08J2300/14 , C08J2333/08
Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising surface postcrosslinking, classifying the surface postcrosslinked superabsorbent polymer particles, deagglomerating the separated oversize fraction using a roll crusher and recycling the disintegrated oversize fraction before or into the classification of the surface postcrosslinked superabsorbent polymer particles.
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公开(公告)号：US20210402373A1
公开(公告)日：2021-12-30
申请号：US17289302
申请日：2019-11-04
Applicant: BASF SE
Inventor： Monte Alan Peterson , Ronny De Kaey , Karl Possemiers , Juergen Schroeder , Ruediger Funk , Matthias Weismantel
Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising polymerization of a monomer solution, wherein the monomer solution comprises partly neutralized acrylic acid formed by continuous mixing of acrylic acid and an aqueous solution of a base, the apparatus for preparing the partly neutralized acrylic acid comprises a vessel (B), and the vessel (B) has a cylindrical shape and a torispherical bottom.
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公开(公告)号：US20160030979A1
公开(公告)日：2016-02-04
申请号：US14779990
申请日：2014-03-18
Applicant: BASF SE
Inventor： Karl J. Possemiers , Thomas Pfeiffer , Matthias Weismantel , Rüdiger Funk , Monte Peterson , Sven Serneels , Jeffrey Johnson , Ronny De Kaey
CPC classification number: B07B1/46 , A61L15/60 , B07B9/00 , B07B2201/04 , C08F220/06 , C08J3/12 , C08J3/245 , C08J2333/02 , C08L33/02 , G01N15/0272 , C08F2222/1013
Abstract: A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
Abstract translation: 对吸水性聚合物颗粒进行分级的方法，其中在表面后交联之前和之后使用具有不同网眼尺寸的筛网以除去小尺寸（细粒）。
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10.发明授权Process for producing water-absorbing polymer particles in a polymerization reactor with at least two axially parallel rotating shafts 有权在具有至少两个轴向平行的旋转轴的聚合反应器中生产吸水性聚合物颗粒的方法公开(公告)号：US09248429B2
公开(公告)日：2016-02-02
申请号：US13915927
申请日：2013-06-12
Applicant: BASF SE
Inventor： Monte Peterson , Karl J. Possemiers , Ronny De Kaey , Dominicus van Esbroeck , Rüdiger Funk
CPC classification number: B01J20/30 , B01J20/267 , B01J2220/68 , C08F2/01 , C08F220/06 , C08F2222/1013
Abstract: A process for producing water-absorbing polymer particles by polymerizing an aqueous monomer solution in a polymerization reactor with at least two axially parallel rotating shafts, wherein the polymerization is performed in the presence of an inert gas and under positive pressure.
Abstract translation: 通过在聚合反应器中聚合具有至少两个轴向平行的旋转轴的聚合反应器中的单体水溶液来生产吸水聚合物颗粒的方法，其中聚合在惰性气体存在下并在正压下进行。
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