发明授权
- 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: US13484849申请日: 2012-05-31
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公开(公告)号: US08785583B2公开(公告)日: 2014-07-22
- 发明人: Rüdiger Funk , Thomas Pfeiffer , Jürgen Schröder
- 申请人: Rüdiger Funk , Thomas Pfeiffer , Jürgen Schröder
- 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: C08F120/06
- IPC分类号: C08F120/06
摘要:
A process for continuously producing water-absorbing polymer particles by polymerizing a monomer solution comprising acrylic acid and/or salts thereof, wherein the acrylic acid supplied has a dimeric acrylic acid content of at least 0.02% by weight and the dimeric acrylic acid content is kept essentially constant.
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