Polyester compositions, polyester monofilaments; process for production thereof and products employing polyester monofilaments
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United States of America Patent
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Nov 11, 1997
Grant Date -
N/A
app pub date -
Sep 20, 1995
filing date -
Feb 2, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A polyester composition with a polymer component which contains 99.8-60 wt % of a polyester with a terminal carboxyl group concentration of not more than 10 equivalents/10.sup.6 g (A) and 0.2-40 wt % of a thermoplastic polymer containing no fluorine atoms (B), and which also includes 0.005-1.5 wt % of unreacted carbodiimide compound (C), polyester monofilaments obtained from the composition, an industrial fabric and paper drier canvas which employ the polyester monofilaments, and a rubber mold reinforced with the polyester monofilaments. The composition is obtained by kneading in the polyester either after or during the process of melting and kneading the thermoplastic polymer containing no fluorine atoms and the carbodiimide compound, and the composition is spun, drawn and thermoset to obtain polyester monofilaments.
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