Invention Grant
- Patent Title: Method for producing water-absorbing polymer particles
- Patent Title (中): 吸水性聚合物颗粒的制造方法
-
Application No.: US12746907Application Date: 2008-12-08
-
Publication No.: US08633285B2Publication Date: 2014-01-21
- Inventor: Rüdiger Funk , Matthias Weismantel , Dominicus van Esbroeck , Filip Mees
- Applicant: Rüdiger Funk , Matthias Weismantel , Dominicus van Esbroeck , Filip Mees
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP07123347 20071217
- International Application: PCT/EP2008/010388 WO 20081208
- International Announcement: WO2009/077100 WO 20090625
- Main IPC: C08F2/01
- IPC: C08F2/01 ; C08F2/44 ; C08F20/06
Abstract:
A process for producing water-absorbing polymer particles, comprising the addition of a solid additive to a polymer gel by means of a conveying screw (1), wherein the solid additive and a gas volume flow are fed to the conveying screw (1) by means of an addition channel (2).
Public/Granted literature
- US20100273942A1 Method for Producing Water-Absorbing Polymer Particles Public/Granted day:2010-10-28
Information query
