Invention Grant
- Patent Title: Process for producing water-absorbing polymer particles with high free swell rate
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Application No.: US13365807Application Date: 2012-02-03
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Publication No.: US09833769B2Publication Date: 2017-12-05
- Inventor: Thomas Daniel , Volker Braig , Asif Karim
- Applicant: Thomas Daniel , Volker Braig , Asif Karim
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Main IPC: C08F20/10
- IPC: C08F20/10 ; C09K3/00 ; B01J20/26 ; B29C49/00 ; B01J20/30 ; B01J20/28
Abstract:
The invention relates to a process for producing water-absorbing polymer particles with high free swell rate, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, remoisturization and drying again.
Public/Granted literature
- US20120211699A1 Process for Producing Water-Absorbing Polymer Particles with High Free Swell Rate Public/Granted day:2012-08-23
Information query
IPC分类:
