公开(公告)号：EP2076338B1

公开(公告)日：2012-12-19

申请号：EP07820483.1

申请日：2007-09-24

Applicant: BASF SE

Inventor： STUEVEN, Uwe ,  FUNK, Rüdiger ,  WEISMANTEL, Matthias ,  SCHRÖDER, Jürgen ,  ESBROECK, Domien van

IPC: B07B1/46

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

公开(公告)号：EP2486066A2

公开(公告)日：2012-08-15

申请号：EP10760727.7

申请日：2010-10-06

Applicant: BASF SE

Inventor： FUNK, Rüdiger ,  SCHRÖDER, Jürgen ,  PFEIFFER, Thomas ,  WEISMANTEL, Matthias

IPC: C08F6/00

CPC classification number: C08J3/128 ,  C08F8/00 ,  C08F220/04 ,  C08F220/06 ,  C08F2800/10 ,  C08F2810/20 ,  C08J3/245 ,  C08J2300/14 ,  C08J2333/02

Abstract: The invention relates to a method for producing water-absorbent polymer particles, wherein surface post-cross-linked, water-absorbent polymer particles are re-wetted and classified, and wherein the time interval between re-wetting and classification is at least 15 minutes.

Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，其中表面后交联的吸水性聚合物颗粒被再润湿和分级，并且其中再润湿和分级之间的时间间隔至少为15分钟 。

公开(公告)号：EP2485774A1

公开(公告)日：2012-08-15

申请号：EP10763174.9

申请日：2010-10-01

Applicant: BASF SE

Inventor： FUNK, Rüdiger ,  SCHRÖDER, Jürgen

IPC: A61L15/22 ,  C08F2/10 ,  C08F2/16 ,  B01J19/22 ,  C08L33/00 ,  C08F2/01 ,  B26D1/00 ,  B29B17/00 ,  A61L15/60

CPC classification number: C08F2/01 ,  C08F2/18 ,  C08F4/40 ,  C08F220/06 ,  C08G65/3322 ,  C08L33/062 ,  C08L71/02 ,  C08L2205/05 ,  C08L33/06

Abstract: Method for continuous production of water-absorbent polymer particles, which comprises polymerizing a monomer solution or monomer suspension on a continuously circulating belt, drying, grinding, classifying and at least partial recirculation of the undersized grain occurring during the classification, wherein the recirculated undersized grain is mixed with the monomer solution or monomer suspension.

Abstract translation: 一种连续生产吸水聚合物颗粒的方法，其包括在连续循环带上聚合单体溶液或单体悬浮液，干燥，研磨，分级和在分级过程中发生的尺寸过小的颗粒的至少部分再循环，其中再循环的尺寸较小的颗粒 与单体溶液或单体悬浮液混合。

公开(公告)号：EP2107939B1

公开(公告)日：2012-05-23

申请号：EP08706982.9

申请日：2008-01-10

Applicant: BASF SE

Inventor： WEISMANTEL, Matthias ,  FUNK, Rüdiger ,  BLAIR, Leigh, R. ,  HEITZHAUS, Kevin, D. ,  STOREY, Bruce

IPC: B01J19/22 ,  B65G15/00 ,  C08F2/01

CPC classification number: B01J19/22 ,  B65G15/60 ,  C08F2/01

Abstract: The invention relates to a process for production of super absorbent polymers on a continuous belt reactor, wherein a continuous polymerization belt rests at least partly upon the upper surface of at least one continuous support belt.

公开(公告)号：EP2438096A2

公开(公告)日：2012-04-11

申请号：EP10722361.2

申请日：2010-06-01

Applicant: BASF SE

Inventor： STUEVEN, Uwe ,  FUNK, Rüdiger ,  WEISMANTEL, Matthias ,  VAN ESBROECK, Dominicus ,  DE KAEY, Ronny

IPC: C08F220/06 ,  C08F6/06 ,  C08J3/00

CPC classification number: C08F220/06 ,  C08F6/008 ,  C08J3/12 ,  C08J2333/02 ,  F26B17/04 ,  F26B25/002 ,  C08L33/02

Abstract: The invention relates to a method for producing water-absorbing polymer particles, wherein an aqueous polymer gel is applied to the conveyor belt of a circulating air belt dryer by means of a slewing belt conveyor, and the slewing belt conveyor is accelerated starting from an end position over a first slew angle to an angular velocity v
1 , decelerated over a second slew angle to an angular velocity v
2 , and decelerated to the other end position over a third slew angle.

公开(公告)号：EP1838463B1

公开(公告)日：2011-06-22

申请号：EP05821876.9

申请日：2005-12-31

Applicant: BASF SE

Inventor： WEISMANTEL, Matthias ,  FUNK, Rüdiger ,  DANIEL, Thomas ,  STUEVEN, Uwe

IPC: B07B1/46 ,  B07B1/56 ,  B07B1/40

CPC classification number: B07B1/56 ,  B07B1/40 ,  B07B1/46

Abstract: The invention relates to a method for grading a particulate water-absorbing resin, by means of a sieve device at a reduced pressure relative to ambient pressure and a sieve device for grading a particulate water-absorbing resin at a reduced pressure relative to ambient pressure.

公开(公告)号：EP2121770B1

公开(公告)日：2010-07-21

申请号：EP08707886.1

申请日：2008-01-14

Applicant: BASF SE

Inventor： WEISMANTEL, Matthias ,  FUNK, Rüdiger ,  BLAIR, Leigh, R. ,  HEITZHAUS, Kevin, D. ,  STOREY, Bruce

IPC: C08F2/00 ,  C08F20/06

CPC classification number: C08F2/00 ,  C08F220/06

公开(公告)号：EP2046839B1

公开(公告)日：2010-05-12

申请号：EP07787356.0

申请日：2007-07-11

Applicant: BASF SE

Inventor： STUEVEN, Uwe ,  WEISMANTEL, Matthias ,  HEIDE, Wilfried ,  KRÜGER, Marco ,  SEIDL, Volker ,  BLEI, Stefan ,  LÖSCH, Dennis ,  FUNK, Rüdiger ,  HILLEBRECHT, Annemarie

IPC: C08F2/10 ,  C08F20/04

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: The invention relates to a method for producing water-absorbent polymer particles with a higher permeability by polymerising droplets of a monomer solution, containing monomers with acid groups, in a gas phase surrounding the droplets. The monomer solution contains polyvalent cations and the polymer particles have an average diameter of at least 150 µm.

Abstract translation: 一种用于通过聚合单体溶液的液滴，其包含单体带有酸基团，在气相周围液滴，worin单体溶液制备具有高渗透性的吸水性聚合物珠的方法包括多价阳离子和所述聚合物颗粒具有的平均直径 至少150微米。

公开(公告)号：EP1474470B1

公开(公告)日：2009-12-23

申请号：EP03737289.3

申请日：2003-01-30

Applicant: BASF SE

Inventor： HÄHNLE, Hans-Joachim ,  FUNK, Rüdiger ,  HEIDER, Wolfgang ,  SCHORNICK, Gunnar ,  FRENZ, Volker

IPC: C08J9/36 ,  C08L101/14 ,  C08F6/10

CPC classification number: C08J9/36 ,  C08F6/006 ,  C08J2207/12 ,  C08J2300/14 ,  Y10T156/1011 ,  Y10T156/1084 ,  C08L33/02

Abstract: A process for the reduction of the residual monomer content and enhancement of the wet strength of articles formed from water absorbent crosslinked polymer foams containing units derived from monoethylenically unsaturated acids, which comprises treating the formed articles with at least 0.5% by weight of a polymer containing primary and/or secondary amino groups and having a molar mass of at least 300, the formed foam articles thus obtainable and use of the wet strength enhanced formed foam articles in hygiene articles.

公开(公告)号：EP2104559A1

公开(公告)日：2009-09-30

申请号：EP08706981.1

申请日：2008-01-10

Applicant: BASF SE

Inventor： WEISMANTEL, Matthias ,  FUNK, Rüdiger ,  BLAIR, Leigh, R. ,  HEITZHAUS, Kevin, D. ,  STOREY, Bruce

IPC: B01J19/22 ,  C08F2/01 ,  B65G15/00

CPC classification number: B01J19/22 ,  B65G15/60 ,  C08F2/01

Abstract: The invention relates to the production of superabsorbent polymers on a continuous belt reactor, wherein the continuous belt rests at least partly upon at least one support belt and the at least one continuous support belt is a metallic belt with a basis weight of at least 1 kg/m2.