Flame-Retardant Polyester Fibers and Preparation Process Thereof
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United States of America Patent
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Issued Date -
Jul 1, 2010
app pub date -
Mar 3, 2006
filing date -
Mar 11, 2005
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Abandoned
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Abstract
A preparation process of flame-retardant polyester fibers, comprising the steps of: impregnating polyester fibers with a flame retardancy giving liquid containing a phosphorus compound as a flame-retarder represented by the formula (I):alkyl groups, and n represents an integer 1 to 3; thermally treating the polyester fibers under normal or increased pressure after or at the same time as the impregnation treatment; and thereby giving flame retardancy to the polyester fibers.
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