Invention Grant
- Patent Title: Process for continuously producing water-absorbing polymer particles
- Patent Title (中): 连续生产吸水性聚合物颗粒的方法
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Application No.: US14308862Application Date: 2014-06-19
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Publication No.: US09144782B2Publication Date: 2015-09-29
- Inventor: Rüdiger Funk , Thomas Pfeiffer , Jürgen Schröder
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Main IPC: B01J19/00
- IPC: B01J19/00 ; C08F20/06 ; B01J19/28 ; C08F220/28
Abstract:
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.
Public/Granted literature
- US20140328723A1 PROCESS FOR CONTINUOUSLY PRODUCING WATER-ABSORBING POLYMER PARTICLES Public/Granted day:2014-11-06
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