Mono or biaxially oriented, flame-retardant polyester film
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United States of America Patent
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Issued Date -
May 19, 2005
app pub date -
Oct 19, 2004
filing date -
Oct 20, 2003
priority date (Note) -
Abandoned
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Abstract
The mono or biaxially oriented polyester film of the present invention having improved flame-retardancy and processibility comprises a polyester resin having an intrinsic viscosity of 0.4 to 0.9 dl/g which contains, in its polyester chain derived from dicarboxylic acid and diol components, an incorporated repeat unit of formula (I) in an amount of 10 to 30 mol % based on the amount of dicarboxylic acid, and a flame-retardancy enhancing agent in an amount ranging from 0.05 to 5% by weight based on the weight of the polyester resin.
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