Flame retardant and glow resistant zinc free cellulose product
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United States of America Patent
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Jan 26, 2010
Grant Date -
Sep 6, 2007
app pub date -
Apr 25, 2006
filing date -
Mar 3, 2006
priority date (Note) -
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Abstract
A flame retardant and glow resistant zinc free cellulose product containing silica, modified with polyaluminium ions. In the preparation of product the cellulose solution (viscose) and sodium silicate are blended and regenerated to obtain a polymeric silica in the cellulose structure which is further modified with polyaluminium ions to attach aluminium sites on silica molecules to make the product glow resistant and impart wash fastness as well.
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