PROCÉDÉ DE PRODUCTION DE PARTICULES DE POLYMÈRE ABSORBANT L'EAU POST-RÉTICULÉES EN SURFACE PAR LA POLYMÉRISATION DE GOUTTELETTES D'UNE SOLUTION DE MONOMÈRES

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专利权人:

BASF SE

发明人:

申请号：

EP16701637.7

公开号：

EP3262089B1

申请日:

2016.01.26

申请国别(地区):

EP

年份:

2018

代理人:

摘要：

The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles comprising polymerizing droplets of a monomer solution, wherein water-absorbent polymer particles having an average particle diameter from 150 to 400 μηη, an amount of water-absorbent polymer particles having a particle size of less than 100 μηη of less than 5% by weight and an amount of water-absorbent polymer particles having a particle size of more than 500 μηη of less than 5% by weight are coated with at least one surface-postcrosslinker and thermal surface-postcrosslinked.

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中国工程科技知识中心

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http://www.ckcest.cn/home/