VERFAHREN ZUR HERSTELLUNG WASSERABSORBIERENDER POLYMERPARTIKEL MIT VERBESSERTEM EIGENSCHAFTSPROFIL

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专利权人:

BASF SE

发明人:

BAUDUIN, CHRISTOPHE,DANIEL, THOMAS,KARIM, ASIF

申请号：

EP13730884.7

公开号：

EP2870183A1

申请日:

2013.06.21

申请国别(地区):

EP

年份:

2015

代理人:

摘要：

The present invention relates to a process for producing water-absorbing polymer particles having an improved profile of properties, comprising thermal surface postcrosslinking in the presence of a salt of a polyvalent metal cation and a complexing anion and subsequent aftertreatment, the aftertreatment comprising coating with a salt of a polyvalent metal cation and a non-complexing anion, and remoisturization with further drying.

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