HEAT-TREATMENT OF WATER-ABSORBING POLYMERIC PARTICLES IN A FLUIDIZED BED
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United States of America Patent
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Issued Date -
Apr 16, 2015
app pub date -
Dec 18, 2012
filing date -
Jan 27, 2012
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Abandoned
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Abstract
The present invention relates to a method for heat-treating water-absorbing polymeric particles at a temperature in the range of from 100 to 250° C. in a fluidized bed dryer under specifically adapted apparatus and method conditions, 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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