Invention Grant
US09328207B2 Method for re-wetting surface post-cross-linked, water-absorbent polymer particles
有权
表面后交联，吸水性聚合物颗粒再润湿的方法
- Patent Title: Method for re-wetting surface post-cross-linked, water-absorbent polymer particles
- Patent Title (中): 表面后交联，吸水性聚合物颗粒再润湿的方法
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Application No.: US13498215Application Date: 2010-10-06
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Publication No.: US09328207B2Publication Date: 2016-05-03
- Inventor: Rüdiger Funk , Jürgen Schröder , Thomas Pfeiffer , Matthias Weismantel
- Applicant: Rüdiger Funk , Jürgen Schröder , Thomas Pfeiffer , Matthias Weismantel
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- International Application: PCT/EP2010/064927 WO 20101006
- International Announcement: WO2011/042468 WO 20110414
- Main IPC: C08J3/24
- IPC: C08J3/24 ; C08F220/02 ; C08J3/12 ; C08F220/06 ; C08F220/04
Abstract:
A process for producing water-absorbing polymer particles, wherein surface postcrosslinked water-absorbing polymer particles are remoisturized and classified, and wherein the time between remoisturization and classification is at least 15 minutes.
Public/Granted literature
- US20120196987A1 METHOD FOR RE-WETTING SURFACE POST-CROSS-LINKED, WATER-ABSORBENT POLYMER PARTICLES Public/Granted day:2012-08-02
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