DRY POLYMER LAYERING USING A ROTOR PROCESSOR
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United States of America Patent
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Issued Date -
Feb 11, 2010
app pub date -
Jul 30, 2009
filing date -
Aug 7, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The method for applying a dry polymer layer to particulate cores circulating as a bed in a rotor processor includes the steps of loading the cores into the processor, rotating the rotor of the processor and supplying air into the processor to create the bed, spraying the cores with a wetting agent, and supplying dry polymer powder into the bed so as to adhere onto the wetted cores and thereby build up a continuous smooth layer of polymer on the cores. The wetting agent includes a plasticizer so as to facilitate uniform layering of the micronized polymer powder.
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