POLYMER COMPOSITION CONTAINING FLAME RETARDANT AND PROCESS FOR PRODUCING THE SAME
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United States of America Patent
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Issued Date -
Aug 6, 2009
app pub date -
Dec 16, 2008
filing date -
Dec 18, 2007
priority date (Note) -
Abandoned
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Abstract
A flame retardant polymer composition and a process for making the composition are provided. The flame retardant polymer composition is a poly(trimethylene terephthalate) co-polymer containing a trimethylene terephthalate monomer and a phosphorous containing flame retardant monomer. The flame retardant polymer composition is produced by a process in which the trimethylene terephthalate monomer or its precursors and the phosphorous containing flame retardant monomer or its precursors are combined to form the poly(trimethylene terephthalate) co-polymer in one or more pre-polymerization and polymerization steps.
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