公开(公告)号：US20170037172A1

公开(公告)日：2017-02-09

申请号：US15299922

申请日：2016-10-21

Applicant: BASF SE

Inventor： Uwe Stueven ,  Matthias Weismantel ,  Wilfried Heide ,  Marco Krüger ,  Volker Seidl ,  Stefan Blei ,  Dennis Loesch ,  Rüdiger Funk ,  Annemarie Hillebrecht

IPC: C08F222/10 ,  A61L15/24 ,  B29B9/10 ,  A61L15/60

CPC classification number: C08F222/10 ,  A61L15/24 ,  A61L15/60 ,  B29B9/10 ,  B29K2033/04 ,  B29K2995/0092 ,  C08F2/34 ,  C08F220/06 ,  C08F222/1006 ,  C08F222/385 ,  C08F2222/1026 ,  C08F2400/00 ,  C08F2500/24 ,  Y10T428/2982

Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution, comprising monomers bearing acid groups, in a gas phase surrounding the droplets, wherein the monomer solution comprises polyvalent cations and the polymer beads have a mean diameter of at least 150 μm.

Abstract translation: 一种制备具有高渗透性的吸水聚合物珠粒的方法，该方法通过在包围液滴的气相中聚合包含含有酸基团的单体的单体溶液的液滴，其中所述单体溶液包含多价阳离子，并且所述聚合物珠的平均直径为 至少150μm。

公开(公告)号：US20140302321A1

公开(公告)日：2014-10-09

申请号：US14266367

申请日：2014-04-30

Applicant: BASF SE

Inventor： Uwe Stueven ,  Matthias Weismantel ,  Wilfried Heide ,  Marco Krüger ,  Volker Seidl ,  Stefan Blei ,  Dennis Lösch ,  Rüdiger Funk ,  Annemarie Hillebrecht

IPC: B01J10/00 ,  C08F220/06

CPC classification number: B01J10/002 ,  A61L15/24 ,  A61L15/60 ,  C08F2/00 ,  C08F2/10 ,  C08F2/44 ,  C08F220/06 ,  C08F222/1006 ,  C08L33/02

Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein a water-insoluble inorganic salt is suspended in the monomer solution and the polymer beads have a mean diameter of at least 150 μm.

Abstract translation: 一种制备具有高渗透性的吸水聚合物珠粒的方法，该方法是在围绕液滴的气相中聚合单体溶液的液滴，其中将水不溶性无机盐悬浮在单体溶液中，聚合物珠粒的平均直径为 至少150微米。

公开(公告)号：US20140038817A1

公开(公告)日：2014-02-06

申请号：US14013224

申请日：2013-08-29

Applicant: BASF SE

Inventor： Marco Krüger ,  Stefan Blei ,  Wilfried Heide ,  Matthias Weismantel ,  Uwe Stueven

IPC: B01J20/26

CPC classification number: B01J20/261 ,  C08F2/01 ,  C08F2/10 ,  C08F220/06 ,  C08F222/1006 ,  Y10T428/2982

Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a surrounding gas phase in a reaction chamber, wherein the monomer solution is metered into the reaction chamber via at least one bore, and the diameter is from 210 to 290 μm per bore and the metering rate is from 0.9 to 5 kg/h per bore.

Abstract translation: 通过在反应室中聚合周围气相中的单体溶液的液滴来生产吸水性聚合物颗粒的方法，其中单体溶液通过至少一个孔计量到反应室中，直径为210-290 每个孔的妈妈，每个孔的计量率为0.9至5kg / h。

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。

公开(公告)号：US10208149B2

公开(公告)日：2019-02-19

申请号：US15299922

申请日：2016-10-21

Applicant: BASF SE

Inventor： Uwe Stueven ,  Matthias Weismantel ,  Wilfried Heide ,  Marco Krüger ,  Volker Seidl ,  Stefan Blei ,  Dennis Loesch ,  Rüdiger Funk ,  Annemarie Hillebrecht

IPC: C08F222/20 ,  A61L15/60 ,  C08F2/34 ,  C08F220/06 ,  A61L15/24 ,  B29B9/10 ,  C08F222/10 ,  C08F222/38 ,  B29K33/04

Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution, comprising monomers bearing acid groups, in a gas phase surrounding the droplets, wherein the monomer solution comprises polyvalent cations and the polymer beads have a mean diameter of at least 150 μm.

公开(公告)号：US09073040B2

公开(公告)日：2015-07-07

申请号：US13870599

申请日：2013-04-25

Applicant: BASF SE

Inventor： Rainer Dobrawa ,  Thomas Daniel ,  Uwe Stueven ,  Marco Krüger ,  Francisco Javier Lopez Villanueva ,  Norbert Herfert ,  Karin Flore ,  Stefan Blei ,  Michael A. Mitchell

IPC: B32B5/16 ,  C08L31/02 ,  C08L33/04 ,  B01J20/26 ,  A61L15/60 ,  C08F2/10 ,  C08F220/06 ,  B01J20/30 ,  C08F222/10

CPC classification number: B01J20/26 ,  A61L15/60 ,  B01J20/264 ,  B01J20/3085 ,  C08F2/10 ,  C08F220/06 ,  C08F222/1006 ,  Y10T428/249958 ,  Y10T428/249981 ,  Y10T428/254 ,  Y10T428/2982 ,  Y10T428/31935

Abstract: The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, wherein the temperature of the gas leaving the polymerization chamber is 130° C. or less, the gas velocity inside the polymerization chamber is at least 0.5 m/s, and the droplets are generated by using a droplet plate having a multitude of bores.

Abstract translation: 本发明涉及一种通过在周围加热气相中聚合单体溶液的液滴并使气体并流通过聚合室流过气体聚合物颗粒的方法，其中离开聚合室的气体的温度为130℃ 聚合室内的气体速度为至少0.5m / s，通过使用具有多个孔的液滴板产生液滴。

公开(公告)号：US09029485B2

公开(公告)日：2015-05-12

申请号：US14013224

申请日：2013-08-29

Applicant: BASF SE

Inventor： Marco Krüger ,  Stefan Blei ,  Wilfried Heide ,  Matthias Weismantel ,  Uwe Stueven

IPC: C08F2/01 ,  C08F220/06 ,  B01J20/26 ,  C08F2/10 ,  C08F222/10

CPC classification number: B01J20/261 ,  C08F2/01 ,  C08F2/10 ,  C08F220/06 ,  C08F222/1006 ,  Y10T428/2982

Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a surrounding gas phase in a reaction chamber, wherein the monomer solution is metered into the reaction chamber via at least one bore, and the diameter is from 210 to 290 μm per bore and the metering rate is from 0.9 to 5 kg/h per bore.

Abstract translation: 通过在反应室中聚合周围气相中的单体溶液的液滴来生产吸水性聚合物颗粒的方法，其中单体溶液通过至少一个孔计量到反应室中，直径为210-290 每孔数μm，孔径为0.9〜5 kg / h。

公开(公告)号：US08844729B2

公开(公告)日：2014-09-30

申请号：US13714157

申请日：2012-12-13

Applicant: BASF SE

Inventor： Uwe Stueven ,  Rüdiger Funk ,  Matthias Weismantel ,  Juergen Schroeder ,  Dominicus van Esbroeck

IPC: B07B9/00 ,  B07B1/00 ,  B07B4/08 ,  B07B1/46

CPC classification number: B07B1/00 ,  B07B1/46 ,  B07B4/08

Abstract: A process for classifying water-absorbing polymer beads, wherein the polymer beads are separated into n particle size fractions by means of at least n screens and n is an integer greater than 1.

Abstract translation: 一种吸水聚合物珠粒的分级方法，其中通过至少n个筛选将聚合物珠粒分离成n个粒度级分，n是大于1的整数。

公开(公告)号：US20130281594A1

公开(公告)日：2013-10-24

申请号：US13870599

申请日：2013-04-25

Applicant: BASF SE

Inventor： Rainer Dobrawa ,  Thomas Daniel ,  Uwe Stueven ,  Marco Krüger ,  Francisco Javier Lopez Villanueva ,  Norbert Herfert ,  Michael A. Mitchell

IPC: B01J20/26 ,  B01J20/30

CPC classification number: B01J20/26 ,  A61L15/60 ,  B01J20/264 ,  B01J20/3085 ,  C08F2/10 ,  C08F220/06 ,  C08F222/1006 ,  Y10T428/249958 ,  Y10T428/249981 ,  Y10T428/254 ,  Y10T428/2982 ,  Y10T428/31935

Abstract: The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, wherein the temperature of the gas leaving the polymerization chamber is 130° C. or less, the gas velocity inside the polymerization chamber is at least 0.5 m/s, and the droplets are generated by using a droplet plate having a multitude of bores.

Abstract translation: 本发明涉及一种通过在周围加热气相中聚合单体溶液的液滴并使气体并流通过聚合室流过气体聚合物颗粒的方法，其中离开聚合室的气体的温度为130℃ 聚合室内的气体速度为至少0.5m / s，通过使用具有多个孔的液滴板产生液滴。

公开(公告)号：US20130098809A1

公开(公告)日：2013-04-25

申请号：US13714157

申请日：2012-12-13

Applicant: BASF SE

Inventor： Uwe Stueven ,  Rüdiger Funk ,  Matthias Weismantel ,  Juergen Schroeder ,  Dominicus van Esbroeck

IPC: B07B1/00 ,  B07B4/08

CPC classification number: B07B1/00 ,  B07B1/46 ,  B07B4/08

Abstract: A process for classifying water-absorbing polymer beads, wherein the polymer beads are separated into n particle size fractions by means of at least n screens and n is an integer greater than 1.