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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：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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公开(公告)号：US20160206772A1
公开(公告)日：2016-07-21
申请号：US14914269
申请日：2014-03-20
Applicant: BASF SE
Inventor： Ulrich Schröder , Rüdiger Funk , John Joseph Louden
IPC: A61L15/24
Abstract: The present invention relates to a fluid-absorbent article, comprising a water-absorbent core with a basis weight of the fluid-absorbent core at the insult zone of at least 500 gsm, comprising 10 to 100% by weight water-absorbent polymer particles, wherein the water-absorbent polymer particles having a mean sphericity (SPHT) from 0.8 to 0.95 and satisfying the following conditions: (a) the sum of centrifuge retention capacity (CRC) and absorbency under high load (AUHL) being at least 60 g/g, and/or (b) the log10(SFC)>5.7−0.138×CRC, with SFC being not less than 5, wherein the CRC is given in g/g and the SFC in 10−7 cm3−s/g.
Abstract translation: 本发明涉及一种流体吸收制品，其包括吸水芯的基重在至少500gsm的损伤区的吸水芯，包含10至100重量％的吸水聚合物颗粒， 其特征在于，所述吸水性聚合物颗粒的平均球形度（SPHT）为0.8〜0.95，满足以下条件：（a）离心保留容量（CRC）与高负载下的吸光度（AUHL）之和为至少60g / g，和/或（b）log10（SFC）> 5.7-0.138×CRC，其中SFC不小于5，其中CRC以g / g给出，SFC以10-7cm 3-s / g表示。
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25.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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Patent Agency Ranking
公开(公告)号：US20200316561A1
公开(公告)日：2020-10-08
申请号：US16305093
申请日：2017-05-24
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel
Abstract: The invention relates to a belt drier arrangement for drying an aqueous polymer gel and for comminuting the dried polymer gel to give dried polymer particles, comprising: a drier setup for drying an aqueous polymer gel, a comminuting arrangement downstream of the drier setup relative to the product flow direction, for comminuting the dried polymer gel to give dried polymer particles. In accordance with the invention the comminuting arrangement comprises at least a first comminutor and a second comminutor, each having a rotatable shaft with functional tools, the second comminutor being disposed downstream of the first comminutor relative to the product flow direction.
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27.发明申请公开(公告)号：US20190255514A1
公开(公告)日：2019-08-22
申请号：US16344046
申请日：2017-10-16
Applicant: BASF SE
Inventor： Dieter Hermeling , Rüdiger Funk , Matthias Weismantel , Monte Alan Peterson , Peter Leunis , Karl Possemiers
Abstract: Filling process for superabsorbent polymer particles The invention relates to a filling process for superabsorbent polymer particles, comprising discharging the superabsorbent polymer particles out of a silo into bulk container for shipping, wherein the filling level of the silo during filling of the bulk container is never less than 20%, in order to avoid particle segregation.
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公开(公告)号：US20180086861A1
公开(公告)日：2018-03-29
申请号：US15571868
申请日：2016-04-15
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Mattias Weismantel
IPC: C08F6/00 , F26B3/04 , F26B5/04 , F26B17/04 , F26B21/00 , F26B21/02 , F26B21/10 , C08F2/10 , C08J3/12 , B01J20/30 , B01J20/26
CPC classification number: C08F6/008 , B01J20/261 , B01J20/3021 , C08F2/10 , C08F20/06 , C08J3/12 , C08J2357/00 , F26B3/04 , F26B5/04 , F26B5/041 , F26B17/04 , F26B21/004 , F26B21/02 , F26B21/10
Abstract: A production process for production of water absorbing polymer particles, including drying an aqueous polymer gel in a belt drier with a conveyor belt having a drier setup in the interior, in which drying air in the interior of the drier setup is conducted in countercurrent counter to the conveying direction and the interior of the drier setup is kept substantially at a reduced pressure relative to the ambient pressure outside the drier setup, and the interior has and/or forms a pressure zone, and is especially divided into a number of pressure zones.
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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：US20140302985A1
公开(公告)日：2014-10-09
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
IPC: B01J20/26
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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