Invention Grant
- Patent Title: Method for manufacturing water-absorbing polymer particles with a low centrifuge retention capacity
- Patent Title (中): 制造具有低离心保留能力的吸水性聚合物颗粒的方法
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Application No.: US12920403Application Date: 2009-03-16
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Publication No.: US08497336B2Publication Date: 2013-07-30
- Inventor: Matthias Weismantel , Rüdiger Funk , Ronny De Kaey , Karl J. Possemiers
- Applicant: Matthias Weismantel , Rüdiger Funk , Ronny De Kaey , Karl J. Possemiers
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP08153136 20080320
- International Application: PCT/EP2009/053030 WO 20090316
- International Announcement: WO2009/115472 WO 20090924
- Main IPC: C08F2/00
- IPC: C08F2/00 ; C08F220/06 ; C08F20/06
Abstract:
A process for producing water-absorbing polymer particles with a low centrifuge retention capacity by polymerizing in a continuous kneading reactor under an inert gas volume flow of at most 10 m3/h per m3 of reactor volume.
Public/Granted literature
- US20110015362A1 Method for Manufacturing Water-Absorbing Polymer Particles with a Low Centrifuge Retention Capacity Public/Granted day:2011-01-20
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