Method for disintegrating hydrate polymer and method for production of water-absorbent resin
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United States of America Patent
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Apr 13, 2010
Grant Date -
Nov 25, 2004
app pub date -
Apr 22, 2004
filing date -
Apr 25, 2003
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Abstract
A method for disintegrating a hydrate polymer characterized by disintegrating a hydrate polymer having a solid content in the range of 50-70 wt. % with a screw extruder while supplying 0.1-30 parts by weight of water per 100 parts by weight of the polymer to the extruder. Since the product of disintegration is prevented from inducing mutual adhesion, it does not form masses of conglomeration when it is dried.
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