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公开(公告)号:US09550213B2
公开(公告)日:2017-01-24
申请号:US14779990
申请日:2014-03-18
Applicant: BASF SE
Inventor: Karl J. Possemiers , Thomas Pfeiffer , Matthias Weismantel , Rüdiger Funk , Monte Peterson , Sven Serneels , Jeffrey Johnson , Ronny De Kaey
IPC: B07B1/00 , B07B1/46 , B07B9/00 , C08J3/24 , C08L33/02 , A61L15/60 , C08F220/06 , C08J3/12 , G01N15/02
CPC classification number: B07B1/46 , A61L15/60 , B07B9/00 , B07B2201/04 , C08F220/06 , C08J3/12 , C08J3/245 , C08J2333/02 , C08L33/02 , G01N15/0272 , C08F2222/1013
Abstract: A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
Abstract translation: 对吸水性聚合物颗粒进行分级的方法,其中在表面后交联之前和之后使用具有不同网眼尺寸的筛网以除去小尺寸(细粒)。
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公开(公告)号:US20160030979A1
公开(公告)日:2016-02-04
申请号:US14779990
申请日:2014-03-18
Applicant: BASF SE
Inventor: Karl J. Possemiers , Thomas Pfeiffer , Matthias Weismantel , Rüdiger Funk , Monte Peterson , Sven Serneels , Jeffrey Johnson , Ronny De Kaey
CPC classification number: B07B1/46 , A61L15/60 , B07B9/00 , B07B2201/04 , C08F220/06 , C08J3/12 , C08J3/245 , C08J2333/02 , C08L33/02 , G01N15/0272 , C08F2222/1013
Abstract: A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
Abstract translation: 对吸水性聚合物颗粒进行分级的方法,其中在表面后交联之前和之后使用具有不同网眼尺寸的筛网以除去小尺寸(细粒)。
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