Traitement thermique de particules polymères absorbant l'eau dans un lit fluidisé à une vitesse de chauffage rapide

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专利权人:

Evonik Degussa GmbH

发明人:

申请号：

EP12152795.6

公开号：

EP2620465B2

申请日:

2012.01.27

申请国别(地区):

EP

年份:

2018

代理人:

摘要：

The present invention relates to a method for heat-treating water-absorbing polymeric particles at a temperature equal to or above 150 °C in a fluidized bed dryer at a fast heat-up rate, the use of a fluidized bed dryer for heat-treating water-absorbing polymeric particles in continuous or batch mode as well as to the heat-treated polymeric particles obtained by the method of the present invention.

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