公开(公告)号：US20210291145A1

公开(公告)日：2021-09-23

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

IPC: B01J20/26 ,  B01J20/28 ,  B01J20/30 ,  C08F20/06 ,  C08J3/24 ,  A61L15/60 ,  A61L15/26

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.

公开(公告)号：US10005064B2

公开(公告)日：2018-06-26

申请号：US15037364

申请日：2014-11-14

Applicant: BASF SE

Inventor： Gerald Grünewald ,  Rüdiger Funk ,  Matthias Weismantel ,  Monte Peterson

IPC: B01J20/30 ,  F26B17/04 ,  B01J20/26 ,  B01J20/28 ,  B65G17/34 ,  B65G69/20 ,  F26B3/04 ,  B65G17/06 ,  C08F6/24

CPC classification number: B01J20/30 ,  B01J20/261 ,  B01J20/28016 ,  B01J20/3021 ,  B01J20/3078 ,  B01J20/3085 ,  B65G17/067 ,  B65G17/34 ,  B65G69/20 ,  F26B3/04 ,  F26B17/04

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.

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。

公开(公告)号：US09327270B2

公开(公告)日：2016-05-03

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: C08F2/00 ,  C08F20/06 ,  F26B7/00 ,  B01J20/30 ,  C08F6/00 ,  C08J3/12 ,  C08J3/24 ,  F26B17/04 ,  F26B21/10 ,  F26B21/12 ,  F26B25/22

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，其包括在强制 - 空气带式干燥器上干燥聚合物凝胶，所述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。

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

IPC: B07B1/46 ,  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）。

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

IPC: C08J5/00 ,  F26B25/00

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。

公开(公告)号：US08883961B2

公开(公告)日：2014-11-11

申请号：US13975681

申请日：2013-08-26

Applicant: BASF SE

Inventor： Monte Peterson ,  Filip Mees ,  John Perry Guentzel ,  Justin Martin ,  Dominicus van Esbroeck ,  Karl J. Possemiers ,  Leo Van Miert ,  Oskar Stephan ,  Rüdiger Funk ,  Matthias Weismantel

IPC: C08F6/00 ,  B01J20/30 ,  C08J3/24 ,  B01J19/00 ,  C08J3/00

CPC classification number: B01J20/3078 ,  B01J19/0053 ,  B01J19/1862 ,  C08J3/245 ,  C08J3/247 ,  C08J2333/02

Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising thermal postcrosslinking in a contact dryer having external heated outer surfaces.

Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，包括在具有外部加热外表面的接触式干燥器中进行热后交联。

公开(公告)号：US20140107305A1

公开(公告)日：2014-04-17

申请号：US14107320

申请日：2013-12-16

Applicant: BASF SE

Inventor： Rüdiger Funk ,  Matthias Weismantel ,  Dominicus van Esbroeck ,  Filip Mees

IPC: C08F2/10

CPC classification number: C08F2/10 ,  C08F2/01 ,  C08F2/44

Abstract: A process for producing water-absorbing polymer particles, comprising the addition of a solid additive to a polymer gel by means of a conveying screw (1), wherein the solid additive and a gas volume flow are fed to the conveying screw (1) by means of an addition channel (2).

Abstract translation: 一种生产吸水性聚合物颗粒的方法，包括通过输送螺杆（1）向聚合物凝胶中加入固体添加剂，其中固体添加剂和气体体积流通过 附加通道（2）的装置。

公开(公告)号：US20130210947A1

公开(公告)日：2013-08-15

申请号：US13763029

申请日：2013-02-08

Applicant: BASF SE

Inventor： Matthias Weismantel ,  Ulrich Riegel ,  Thomas Gieger ,  Markus Braun ,  Michael A. Mitchell

IPC: C08J9/14

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。

公开(公告)号：US12161994B2

公开(公告)日：2024-12-10

申请号：US17289328

申请日：2019-11-04

Applicant: BASF SE

Inventor： Monte Alan Peterson ,  John Perry Guentzel ,  Juergen Schroeder ,  Ruediger Funk ,  Matthias Weismantel

IPC: B01J20/26 ,  A61L15/60 ,  B01J20/28 ,  B01J20/30 ,  C08F220/06

Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising storing acrylic acid in at least one tank (B1) at a production site for acrylic acid and in at least one tank (B2) at a production site for superabsorbent polymer particles, wherein the at least one tank (B1) at the production site for acrylic acid and the at least one tank (B2) at the production site for superabsorbent polymer particles are interconnected by one single pipe line (3) and the flow inside the pipe line (3) is temporary reversed during interruptions of the production superabsorbent polymer particles.