OLEFIN POLYMER COMPOSITION

PURPOSE:An olefin polymer composition having excellent heat stability during melt heating and after high-temp. processing, which is prepd. by the combined incorporation of specified antioxidants. CONSTITUTION:100pts.wt. olefin polymer is mixed and kneaded with 0.01pts.wt. 4,4'-thiobis(6-t-butyl...

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Hauptverfasser:	TAJIMA KOUICHI, TAZAKI KUNIO
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:	PURPOSE:An olefin polymer composition having excellent heat stability during melt heating and after high-temp. processing, which is prepd. by the combined incorporation of specified antioxidants. CONSTITUTION:100pts.wt. olefin polymer is mixed and kneaded with 0.01pts.wt. 4,4'-thiobis(6-t-butyl-m-cresol) and 0.01-1pts.wt. tetrakis(2,4-di-t-butylphenyl) 4,4'-bisphenylene-diphosphonite by use of a Banbury mixer, an extruder, etc.