POLYOLEFIN COMPOSITION CONTAINING TALC

PURPOSE:To prepare the title compsn. which emits no unpleasant odor, shows a heat resistance and rigidity, and is highly useful for an industrial part, food packaging container, etc., by compounding a polyolefin with talc previously baked at a specified temp. or higher. CONSTITUTION:95-20wt.% polyol...

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Hauptverfasser:	OSEGAKI KIMIHO, HASHIMOTO KUNIJI
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:To prepare the title compsn. which emits no unpleasant odor, shows a heat resistance and rigidity, and is highly useful for an industrial part, food packaging container, etc., by compounding a polyolefin with talc previously baked at a specified temp. or higher. CONSTITUTION:95-20wt.% polyolefin (pref. a resin esp. a crystalline resin, in terms of moldability) is compounded with 5-80wt.% talc previously baked at a temp. higher than that at which the ignition loss starts (pref. contg. a part having a chemical structure: MgSiO3.SiO2 of 50wt.% or higher, still pref. 60wt.% or higher) to give the title compsn., which, unlike the conventional compsn. contg. an unbaked talc, emits no unpleasant odor, shows heat resistance and rigidity, and is highly useful for an industrial part, food packaging container, etc.