Invention Grant
US08389658B2 Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerizing droplets of a monomer solution
有权
通过聚合单体溶液的液滴生产具有较高吸收性的后固化吸水性聚合物颗粒的方法
- Patent Title: Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerizing droplets of a monomer solution
- Patent Title (中): 通过聚合单体溶液的液滴生产具有较高吸收性的后固化吸水性聚合物颗粒的方法
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Application No.: US13371208Application Date: 2012-02-10
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Publication No.: US08389658B2Publication Date: 2013-03-05
- Inventor: Uwe Stueven , Matthias Weismantel , Wilfried Heide , Marco Krüger , Volker Seidl , Stefan Blei , Dennis Lösch , Rüdiger Funk , Annemarie Hillebrecht
- Applicant: Uwe Stueven , Matthias Weismantel , Wilfried Heide , Marco Krüger , Volker Seidl , Stefan Blei , Dennis Lösch , Rüdiger Funk , Annemarie Hillebrecht
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP06117488 20060719
- Main IPC: C08F20/06
- IPC: C08F20/06
Abstract:
A process for preparing postcrosslinked water-absorbing polymer beads with high absorption by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the solids content of the monomer solution is at least 35% by weight and the polymer beads have a mean diameter of at least 150 μm.
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