Polyacetal resin composition and sliding member

A polyacetal resin composition which not only is highly inhibited from making creaking sounds but also has satisfactory performances with respect to other properties. The polyacetal resin composition includes 100 parts by weight of a polyacetal resin, 0.01-1 part by weight of a hindered phenolic ant...

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Bibliographische Detailangaben
Hauptverfasser:	Katsuchi, Hirokazu, Shimoda, Akihide
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A polyacetal resin composition which not only is highly inhibited from making creaking sounds but also has satisfactory performances with respect to other properties. The polyacetal resin composition includes 100 parts by weight of a polyacetal resin, 0.01-1 part by weight of a hindered phenolic antioxidant, 0.01-1 part by weight of a nitrogenous compound, 0.1-1 part by weight of a graft copolymer, 0.1-1 part by weight of a fatty acid ester, 0.5-5 parts by weight of a silicone oil, and 0.1-1 part by weight of calcium carbonate. The nitrogenous compound may be an aminotriazine compound, the graft copolymer includes an olefin-based polymer as the main chain and a vinyl-based polymer as side chains, the fatty acid ester includes a C12-32 fatty acid and a C2-30 mono- or polyhydric alcohol, and the calcium carbonate has an average particle diameter of 1 μm or smaller.