POLYACETAL RESIN COMPOSITION AND MOLDED ARTICLE THEREOF
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United States of America Patent
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Issued Date -
Mar 4, 2010
app pub date -
Nov 20, 2007
filing date -
Nov 27, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides a polyacetal resin composition having excellent processability and stability, significantly suppressing the amount of formaldehyde generated from the molded article thereof, and preventing the bleeding of blending components. Specifically, to 100 parts by weight of (A) a polyacetal copolymer having 1.0 mmol/kg or less of hemiformal terminal group, 0.5 mmol/kg or less of formyl terminal group, and 0.5% by weight or less of unstable terminal group, there are blended: 0.01 to 3 parts by weight of (B) a hindered phenol-based antioxidant; 0.05 to 1 part by weight of (C) at least one compound selected from a guanamine compound and a triazine compound; and 0.01 to 1 part by weight of (D) a compound selected from an isocyanate compound, an isothiocyanate compound, and a modified compound thereof.
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