发明申请
- 专利标题: PROCESS FOR CLASSIFYING WATER-ABSORBING POLYMER BEADS
- 专利标题(中): 分级吸水聚合物珠粒的方法
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申请号: US14779990申请日: 2014-03-18
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公开(公告)号: US20160030979A1公开(公告)日: 2016-02-04
- 发明人: Karl J. Possemiers , Thomas Pfeiffer , Matthias Weismantel , Rüdiger Funk , Monte Peterson , Sven Serneels , Jeffrey Johnson , Ronny De Kaey
- 申请人: BASF SE
- 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
- 国际申请: PCT/EP2014/055365 WO 20140318
- 主分类号: B07B1/46
- IPC分类号: B07B1/46 ; G01N15/02
摘要:
A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
公开/授权文献
- US09550213B2 Process for classifying water-absorbing polymer beads 公开/授权日:2017-01-24
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