Invention Grant
US08742024B2 Mixture of surface postcrosslinked superabsorbers with different surface postcrosslinking
失效
具有不同表面后交联的表面后交联超吸收剂的混合物
- Patent Title: Mixture of surface postcrosslinked superabsorbers with different surface postcrosslinking
- Patent Title (中): 具有不同表面后交联的表面后交联超吸收剂的混合物
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Application No.: US13128558Application Date: 2009-11-12
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Publication No.: US08742024B2Publication Date: 2014-06-03
- Inventor: Stefan Bruhns , Thomas Daniel , Dieter Hermeling , Ulrich Riegel
- Applicant: Stefan Bruhns , Thomas Daniel , Dieter Hermeling , Ulrich Riegel
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP08169670 20081121
- International Application: PCT/EP2009/065036 WO 20091112
- International Announcement: WO2010/057823 WO 20100527
- Main IPC: C08F8/32
- IPC: C08F8/32 ; C08F8/00 ; C08G61/08 ; C09D175/06 ; C08F8/42
Abstract:
A mixture of superabsorbents having differing surface postcrosslinking, more particularly a mixture of differingly surface-postcrosslinked sieve cuts of a base polymer, exhibits improved absorption and retention over a unitarily surface-postcrosslinked superabsorbent.
Public/Granted literature
- US20110224379A1 Mixture of Surface Postcrosslinked Superabsorbers with Different Surface Postcrosslinking Public/Granted day:2011-09-15
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