发明授权
- 专利标题: Method for the production of water-absorbing polymer particles
- 专利标题(中): 生产吸水性聚合物颗粒的方法
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申请号: US13148854申请日: 2010-02-15
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公开(公告)号: US08608096B2公开(公告)日: 2013-12-17
- 发明人: Rüdiger Funk , Jürgen Schröder , Emil Bitzer
- 申请人: Rüdiger Funk , Jürgen Schröder , Emil Bitzer
- 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
- 优先权: EP09153126 20090218
- 国际申请: PCT/EP2010/051830 WO 20100215
- 国际公布: WO2010/094639 WO 20100826
- 主分类号: B02C19/00
- IPC分类号: B02C19/00
摘要:
A process for producing water-absorbing polymer particles, comprising classification by means of a tumbler screening machine, wherein the tumbler screening machine used for classification is equipped with at least one ball knock cleaning system and entrained balls are removed outside the tumbler screening machine by means of a capture device.
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