发明公开
- 专利标题: A PROCESS FOR PRODUCING WATER-ABSORBENT POLYMER PARTICLES BY POLYMERIZING DROPLETS OF A MONOMER SOLUTION
- 专利标题(中): 通过聚合单体溶液的液滴生产吸水性聚合物颗粒的方法
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申请号: EP11709720.4申请日: 2011-03-23
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公开(公告)号: EP2550306A1公开(公告)日: 2013-01-30
- 发明人: DANIEL, Thomas , KRÜGER, Marco , FLORE, Karin , BLEI, Stefan , STUEVEN, Uwe , HERFERT, Norbert , MITCHELL, Michael A.
- 申请人: BASF SE
- 申请人地址: 67056 Ludwigshafen DE
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: 67056 Ludwigshafen DE
- 优先权: US316854P 20100324
- 国际公布: WO2011117263 20110929
- 主分类号: C08F2/10
- IPC分类号: C08F2/10
摘要:
The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, which comprises thermal postcrosslinking in the presence of steam.
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