Invention Grant
US08742026B2 Process for producing water-absorbing polymer particles with improved permeability
有权
生产具有改善渗透性的吸水聚合物颗粒的方法
- Patent Title: Process for producing water-absorbing polymer particles with improved permeability
- Patent Title (中): 生产具有改善渗透性的吸水聚合物颗粒的方法
-
Application No.: US13411273Application Date: 2012-03-02
-
Publication No.: US08742026B2Publication Date: 2014-06-03
- Inventor: Matthias Weismantel , Markus Braun
- Applicant: Matthias Weismantel , Markus Braun
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Main IPC: C08F20/02
- IPC: C08F20/02 ; C08F20/56 ; C08F8/00 ; C08F2/00

Abstract:
The invention relates to a process for producing water-absorbing polymer particles with improved permeability, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, with pneumatic conveying between grinding and classification.
Public/Granted literature
- US20120231162A1 PROCESS FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES WITH IMPROVED PERMEABILITY Public/Granted day:2012-09-13
Information query
IPC分类: