发明授权
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
- 专利标题: Mixture of surface postcrosslinked superabsorbers with different surface postcrosslinking
- 专利标题(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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申请号: US13128558申请日: 2009-11-12
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公开(公告)号: US08742024B2公开(公告)日: 2014-06-03
- 发明人: Stefan Bruhns , Thomas Daniel , Dieter Hermeling , Ulrich Riegel
- 申请人: Stefan Bruhns , Thomas Daniel , Dieter Hermeling , Ulrich Riegel
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE Ludwigshafen
- 代理机构: Marshall, Gerstein & Borun LLP
- 优先权: EP08169670 20081121
- 国际申请: PCT/EP2009/065036 WO 20091112
- 国际公布: WO2010/057823 WO 20100527
- 主分类号: C08F8/32
- IPC分类号: C08F8/32 ; C08F8/00 ; C08G61/08 ; C09D175/06 ; C08F8/42
摘要:
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.
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