发明申请
- 专利标题: Process for Continuously Producing Water-Absorbing Polymer Particles
- 专利标题(中): 连续生产吸水性聚合物颗粒的方法
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申请号: US12486483申请日: 2009-06-17
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公开(公告)号: US20090318633A1公开(公告)日: 2009-12-24
- 发明人: Rudiger Funk , Matthias Weismantel , Leigh R. Blair , Kevin D. Heitzhaus
- 申请人: Rudiger Funk , Matthias Weismantel , Leigh R. Blair , Kevin D. Heitzhaus
- 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
- 主分类号: C08G18/62
- IPC分类号: C08G18/62 ; C08F20/06
摘要:
A process for continuously producing water-absorbing polymer particles, comprising polymerization, drying, grinding, classification and at least partial recycling of the undersize obtained in the classification, wherein the polymer gel obtained by the polymerization is withdrawn from the polymerization reactor and mixed with the recycled undersize.
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