发明授权
US08742026B2 Process for producing water-absorbing polymer particles with improved permeability
有权
生产具有改善渗透性的吸水聚合物颗粒的方法
- 专利标题: Process for producing water-absorbing polymer particles with improved permeability
- 专利标题(中): 生产具有改善渗透性的吸水聚合物颗粒的方法
-
申请号: US13411273申请日: 2012-03-02
-
公开(公告)号: US08742026B2公开(公告)日: 2014-06-03
- 发明人: Matthias Weismantel , Markus Braun
- 申请人: Matthias Weismantel , Markus Braun
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE Ludwigshafen
- 代理机构: Marshall, Gerstein & Borun LLP
- 主分类号: C08F20/02
- IPC分类号: C08F20/02 ; C08F20/56 ; C08F8/00 ; C08F2/00
摘要:
The invention relates to a process for producing water-absorbing polymer particles with improved permeability, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, with pneumatic conveying between grinding and classification.
公开/授权文献
信息查询
IPC分类: