公开(公告)号：US20180043051A1

公开(公告)日：2018-02-15

申请号：US15552844

申请日：2016-02-17

Applicant: BASF SE

Inventor： Tina Mark ,  Thomas Daniel ,  Stefan Molter ,  Erich Lutz

IPC: A61L15/60 ,  C08F2/14 ,  C08F2/18

CPC classification number: A61L15/60 ,  C08F2/14 ,  C08F2/18 ,  C08F220/06 ,  C08F222/385

Abstract: A process for producing water-absorbing polymer particles by suspension polymerization, wherein the polymerization is conducted in the presence of dissolved oxygen.

公开(公告)号：US20180030218A1

公开(公告)日：2018-02-01

申请号：US15552833

申请日：2016-02-17

Applicant: BASF SE

Inventor： Tina Mark ,  Thomas Daniel ,  Erich Lutz ,  Stefan Molter ,  Anna Kowalski

IPC: C08J3/24 ,  C08F6/16 ,  A61L15/24 ,  C08F6/18 ,  C08F120/06 ,  A61L15/60

CPC classification number: C08J3/245 ,  A61L15/24 ,  A61L15/42 ,  A61L15/60 ,  C08F2/14 ,  C08F2/18 ,  C08F6/16 ,  C08F6/18 ,  C08F120/06 ,  C08F220/06 ,  C08F2810/20 ,  C08J2333/02 ,  C08L101/14 ,  C08F222/385

Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the agglomerated base polymer obtained by suspension polymerization has a centrifuge retention capacity of at least 37 g/g and the thermal surface postcrosslinking is conducted at 140 to 220° C.

公开(公告)号：US20160280825A1

公开(公告)日：2016-09-29

申请号：US15032333

申请日：2014-10-20

Applicant: BASF SE

Inventor： Stephan Bauer ,  Tina Mark ,  Lydia König ,  Yvonne Hagen ,  Thomas Daniel

IPC: C08F220/06 ,  A61F13/53 ,  A61F13/534 ,  A61L15/60 ,  A61L15/24

Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the base polymer obtained by suspension polymerization has a centrifuge retention capacity of at least 37 g/g and the thermal surface postcrosslinking is conducted at 100 to 190° C.

Abstract translation: 通过悬浮聚合和热表面后交联制造吸水性聚合物颗粒的方法，其中通过悬浮聚合获得的基础聚合物具有至少37g / g的离心保留能力，并且热表面后交联在100至190℃下进行 。