Process for preparing a flame retardant and glow resistant zinc free cellulose product
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United States of America Patent
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Aug 17, 2010
Grant Date -
Nov 5, 2009
app pub date -
Jul 16, 2009
filing date -
Mar 3, 2006
priority date (Note) -
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Abstract
Provided is a process for the preparation of flame retardant cellulosic product including the steps of adding a soluble salt of silica to viscose, followed by blending and extruding the blended viscose into a spin bath, regenerating the viscose and subjecting the regenerated viscose to a step of glow proofing with polyaluminium compounds to obtain the flame retardant cellulosic product.
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