Invention Grant
US09434802B2 Method for removal of residual monomers from water-absorbing polymer particles
有权
从吸水性聚合物颗粒中除去残留单体的方法
- Patent Title: Method for removal of residual monomers from water-absorbing polymer particles
- Patent Title (中): 从吸水性聚合物颗粒中除去残留单体的方法
-
Application No.: US14762026Application Date: 2014-01-20
-
Publication No.: US09434802B2Publication Date: 2016-09-06
- Inventor: Stephan Bauer , Norbert Herfert , Lydia König , Yvonne Hagen , Xiana Romani Fernandez , Marcus Schöppler
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP13153279 20130130
- International Application: PCT/EP2014/050988 WO 20140120
- International Announcement: WO2014/118025 WO 20140807
- Main IPC: C08F4/00
- IPC: C08F4/00 ; C08F30/04 ; C08F2/00 ; C08F20/26 ; C08F220/06 ; A61L15/24 ; A61L15/60 ; C08F6/00 ; C08L33/02
Abstract:
A process for removing residual monomers from water-absorbing polymer particles by thermally aftertreating the water-absorbing polymer particles in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water and of a surfactant.
Public/Granted literature
- US20150322188A1 Method for Removal of Residual Monomers from Water-Absorbing Polymer Particles Public/Granted day:2015-11-12
Information query
