公开(公告)号：EP3381956A1

公开(公告)日：2018-10-03

申请号：EP18155569.9

申请日：2013-11-07

Applicant: BASF SE

Inventor： DANIEL, Thomas ,  HERFERT, Norbert ,  BAUMANN, Katrin ,  REINHARD, Birgit ,  FREIBERG, Juergen ,  BAUDUIN, Christophe ,  DOBROSIELSKA-OURA, Katarzyna ,  MITCHELL, Michael

IPC: C08F220/06 ,  A61L15/22

CPC classification number: C08J3/245 ,  A61L15/225 ,  A61L15/425 ,  A61L15/60 ,  B01J20/267 ,  B01J20/28004 ,  B01J20/28011 ,  B01J20/28019 ,  C08F6/008 ,  C08F220/06 ,  C08F222/1006 ,  C08J3/247 ,  C08J9/00 ,  C08J2207/12 ,  C08J2333/02

Abstract: The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles by coating of water-absorbent polymer particles having a content of residual monomers in the range from 0.03 to 15% by weight with at least one surface-post-crosslinker and thermal surface-postcrosslinking at temperatures in the range from 100 to 180°C.

公开(公告)号：EP3262106A1

公开(公告)日：2018-01-03

申请号：EP16702505.5

申请日：2016-01-26

Applicant: BASF SE

Inventor： BAUER, Stephan ,  HAGEN, Yvonne ,  BAUMANN, Katrin ,  BAUDUIN, Christophe ,  DANIEL, Thomas ,  PFEIFFER, Thomas

IPC: C08J3/24 ,  C08F2/06 ,  A61L15/22 ,  A61L15/60 ,  C08F2/34 ,  C08L101/14

CPC classification number: A61L15/60 ,  B01J4/002 ,  B01J8/44 ,  B01J19/20 ,  B01J19/2415 ,  B01J2219/185 ,  B01J2219/1943 ,  C08F2/06 ,  C08F2/34 ,  C08F220/06 ,  C08J3/245 ,  C08J2333/02 ,  C08F2222/1013

Abstract: The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles comprising polymerizing droplets of a monomer solution, wherein water-absorbent polymer particles having an average particle diameter from 420 to 700 μm, an amount of water-absorbent polymer particles having a particle size of less than 300 μm of less than 5% by weight and an amount of water-absorbent polymer particles having a particle size of more than 800 μm of less than 5% by weight are coated with at least one surface-postcrosslinker and thermal surface-postcrosslinked.

公开(公告)号：EP2780044B1

公开(公告)日：2017-01-11

申请号：EP12786983.2

申请日：2012-11-13

Applicant: BASF SE

Inventor： BELACK, Jörg ,  DANIEL, Thomas ,  BAUDUIN, Christophe

IPC: A61L15/22 ,  A61L15/60 ,  C08J3/24 ,  A61L15/24 ,  B01J20/26 ,  C08L33/08

CPC classification number: B01J20/267 ,  A61L15/24 ,  A61L15/60 ,  C08J3/245 ,  C08J2333/02 ,  C08L33/08

公开(公告)号：EP2780044A1

公开(公告)日：2014-09-24

申请号：EP12786983.2

申请日：2012-11-13

Applicant: BASF SE

Inventor： BELACK, Jörg ,  DANIEL, Thomas ,  BAUDUIN, Christophe

IPC: A61L15/22 ,  A61L15/60 ,  C08J3/24

CPC classification number: B01J20/267 ,  A61L15/24 ,  A61L15/60 ,  C08J3/245 ,  C08J2333/02 ,  C08L33/08

Abstract: Method for producing thermally surface crosslinked water-absorbent polymer particles, wherein the water-absorbent polymer particles are coated before, during or after the thermal surface crosslinking with at least one complex consisting of a multivalent metal salt and a 2-hydroxycarboxylic acid amide.

Abstract translation: 一种制备热表面后交联吸水性聚合物颗粒的方法，其中吸水聚合物颗粒在与至少一种由多价金属盐和2-羟基甲酰胺组成的络合物进行热表面后交联之前，期间或之后被涂覆。

公开(公告)号：EP3873974A1

公开(公告)日：2021-09-08

申请号：EP19794398.8

申请日：2019-10-23

Applicant: BASF SE

Inventor： BAUMANN, Katrin ,  BAUER, Stephan ,  DANIEL, Thomas ,  HERFERT, Norbert ,  BAUDUIN, Christophe

IPC: C08J3/075 ,  C08J3/12 ,  C08J3/24 ,  A61L15/24 ,  A61L15/60

公开(公告)号：EP3774999A1

公开(公告)日：2021-02-17

申请号：EP19713494.3

申请日：2019-04-01

Applicant: BASF SE

Inventor： BAUDUIN, Christophe ,  DANIEL, Thomas

IPC: C08J3/075 ,  C08J3/24 ,  C08K3/22

公开(公告)号：EP3759472A1

公开(公告)日：2021-01-06

申请号：EP19704342.5

申请日：2019-02-18

Applicant: BASF SE

Inventor： TOENNESSEN, Markus ,  HAEFNER, Marc ,  KRAEMER, Karsten ,  BAUDUIN, Christophe ,  DANIEL, Thomas

IPC: G01N27/04 ,  A61L15/60

公开(公告)号：EP3589398A1

公开(公告)日：2020-01-08

申请号：EP18708946.1

申请日：2018-02-26

Applicant: BASF SE

Inventor： BAUER, Stephan ,  TOENNEßEN, Markus ,  BAUDUIN, Christophe ,  BAUMANN, Katrin ,  KRUEGER, Marco ,  DAISS, Andreas ,  MUEHL, Markus

IPC: B01J8/24 ,  B01J19/18 ,  B01J19/24 ,  C08F2/01

公开(公告)号：EP3582734A1

公开(公告)日：2019-12-25

申请号：EP18704553.9

申请日：2018-02-12

Applicant: BASF SE

Inventor： DANIEL, Thomas ,  BAUDUIN, Christophe ,  BAUMANN, Katrin ,  DOBROSIELSKA-OURA, Katarzyna

IPC: A61F13/537 ,  A61L15/60 ,  A61F13/53

公开(公告)号：EP3262089A1

公开(公告)日：2018-01-03

申请号：EP16701637.7

申请日：2016-01-26

Applicant: BASF SE

Inventor： BAUER, Stephan ,  HAGEN, Yvonne ,  BAUMANN, Katrin ,  BAUDUIN, Christophe ,  DANIEL, Thomas ,  PFEIFFER, Thomas

IPC: C08F220/06 ,  C09D133/02 ,  C08J3/24 ,  C08F2/10

CPC classification number: C08J3/245 ,  A61L15/24 ,  A61L15/60 ,  B01J20/267 ,  B01J20/28004 ,  C08F2/10 ,  C08F220/06 ,  C08J2333/02 ,  C09D133/02

Abstract: The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles comprising polymerizing droplets of a monomer solution, wherein water-absorbent polymer particles having an average particle diameter from 150 to 400 μηη, an amount of water-absorbent polymer particles having a particle size of less than 100 μηη of less than 5% by weight and an amount of water-absorbent polymer particles having a particle size of more than 500 μηη of less than 5% by weight are coated with at least one surface-postcrosslinker and thermal surface-postcrosslinked.