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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：US12121877B2
公开(公告)日：2024-10-22
申请号：US17258931
申请日：2019-07-15
Applicant: BASF SE
Inventor： Marco Krueger , Ruediger Funk , Thomas Pfeiffer , Karl Possemiers , Juergen Schroeder , Matthias Weismantel
CPC classification number: B01J20/267 , A61L15/26 , A61L15/60 , B01J20/28016 , B01J20/3085 , C08F20/06 , C08J3/245 , C08F2810/20
Abstract: A process for producing superabsorbent particles by polymerizing a monomer solution or suspension, comprising the steps of continuously preneutralizing a monomer while cooling and partly recycling the preneutralized monomer into the preneutralization, continuously heating the preneutralized monomer by means of a heat exchanger and continuously postneutralizing the heated monomer, wherein the monomer solution or suspension prior to entry into the polymerization reactor is at a temperature of 70 to 99° C. and the temperature of the heating medium used in the heat exchanger is less than 160° C.
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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：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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15.发明授权公开(公告)号：US10450395B2
公开(公告)日：2019-10-22
申请号：US13957073
申请日：2013-08-01
Applicant: BASF SE
Inventor： Dennis Lösch , Matthias Weismantel , Marco Krüger , Antje Ziemer
IPC: C08F220/00 , C08F220/10 , A61L15/60 , C08F2/00 , C08F2/01 , C08F2/10 , C08F2/16 , C08F2/18 , C08F220/06 , C08F222/10
Abstract: A process for preparing water-absorbing polymer beads by polymerizing droplets comprising at least one monomer in a gas phase surrounding the droplets, the droplets being obtained by enveloping a first monomer solution with a second monomer solution and polymerizing the second monomer solution and polymerizing to give a more highly crosslinked polymer than the first monomer solution.
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Patent Agency Ranking
公开(公告)号：US10137432B2
公开(公告)日：2018-11-27
申请号：US15862758
申请日：2018-01-05
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel , Monte Peterson
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising the steps of: •—processing an aqueous polymer gel from polymerization of a monomer solution or suspension, •—drying the aqueous polymer gel in a conveyer dryer, in particular in a forced air conveyer dryer, wherein •—the conveyer dryer has a circulating conveyer belt and the aqueous polymer gel is conveyed on the circulating conveyer belt, and wherein •—the circulating conveyer belt is formed as a circulating plate conveyer belt, comprising a number of belt plates separated by a hinge line of a hinge assembly and each belt plate having a surface for receiving the aqueous polymer gel, wherein said hinge assembly comprises a knuckle joint (301) with the hinge line in form of a straight hinge line.
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公开(公告)号：US09480968B2
公开(公告)日：2016-11-01
申请号：US14308968
申请日：2014-06-19
Applicant: BASF SE
Inventor： Matthias Weismantel , Rüdiger Funk , Ulrich Schröder , Marco Krüger , Sylvia Bertha , John Joseph Louden
CPC classification number: B01J20/261 , A61F13/15203 , A61F13/15658 , A61F13/53 , A61F2013/15422 , A61F2013/530496 , A61F2013/530569 , A61F2013/530583 , A61F2013/5307 , A61F2013/530708 , B01J20/28028
Abstract: The present invention relates to a process for producing fluid-absorbent cores, comprising mixing a fibrous material and fluid-absorbent polymer particles having low moisture content and low apparent density and pressing the obtained mixture under specific conditions.
Abstract translation: 本发明涉及一种制造流体吸收芯的方法，包括将纤维材料和具有低水分含量和低表观密度的流体吸收聚合物颗粒混合并在特定条件下压制所得混合物。
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18.发明申请WATER-ABSORBING POLYMER PARTICLES WITH HIGH FREE SWELL RATE AND HIGH PERMEABILITY 有权具有高自由率和高渗透性的吸水聚合物颗粒公开(公告)号：US20160009889A1
公开(公告)日：2016-01-14
申请号：US14861409
申请日：2015-09-22
Applicant: BASF SE
Inventor： Matthias Weismantel , Ulrich Riegel , Thomas Gieger , Markus Braun , Michael A. Mitchell
IPC: C08J9/18
CPC classification number: C08J9/18 , C08J9/06 , C08J9/14 , C08J9/16 , C08J2300/14 , C08J2333/08 , C08J2333/14
Abstract: A process for producing water-absorbing polymer particles with high free swell rate and high permeability by polymerization of an aqueous monomer solution or suspension to give an aqueous polymer gel, wherein a thermal blowing agent essentially free of inorganic acid anions is mixed into the polymer gel, and subsequent thermal drying of the polymer gel.
Abstract translation: 一种生产具有高自由溶胀速率和高渗透性的吸水聚合物颗粒的方法，其通过聚合单体水溶液或悬浮液得到聚合物水凝胶，其中将基本上不含无机酸阴离子的热发泡剂混合到聚合物凝胶 ，随后聚合物凝胶的热干燥。
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19.发明申请公开(公告)号：US20130276325A1
公开(公告)日：2013-10-24
申请号：US13924717
申请日：2013-06-24
Applicant: BASF SE
Inventor： Uwe Stueven , Rüdiger Funk , Matthias Weismantel , Karl J. Possemiers , Koen Deboel
IPC: B01J20/30
CPC classification number: B01J20/3021 , C08F6/008 , C08J3/12 , C08J3/245 , C08J2300/14 , C08J2333/02 , F26B17/04 , F26B21/10 , F26B21/12 , F26B25/22 , C08L33/02
Abstract: A process for continuously preparing water-absorbing polymer beads, comprising the drying of a polymer gel on a forced-air belt dryer, the water content of the polymer gel being used to control the forced-air belt dryer during or after the drying.
Abstract translation: 一种用于连续制备吸水聚合物珠粒的方法，包括在强制风干燥带式干燥机上干燥聚合物凝胶，聚合物凝胶的水含量用于在干燥期间或之后控制强制 - 空气带干燥器。
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公开(公告)号：US12275808B2
公开(公告)日：2025-04-15
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 , A61F13/53 , B01J20/26 , B01J20/285 , C08F2/04 , C08F6/00 , C08F20/04 , F26B17/02 , F26B17/04
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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