JPH05339481

PURPOSE:To obtain subject composition having excellent heat resistance by blending a polyester comprising terephthalic acid and a specific glycolic component with polybutylene and a higher aliphatic mold release agent in a specific agent. CONSTITUTION:The objective composition comprises (A) 10-50wt....

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Bibliographische Detailangaben
Hauptverfasser:	AKAGI NORIYUKI, FUJIE HIROKI
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 obtain subject composition having excellent heat resistance by blending a polyester comprising terephthalic acid and a specific glycolic component with polybutylene and a higher aliphatic mold release agent in a specific agent. CONSTITUTION:The objective composition comprises (A) 10-50wt.% polyester composed of terephthalic acid and >=5C glycol component (preferably 1,6- hexanediol), (B) 85.95-48wt.% polybutylene terephthalate and (C) 0.05-2wt.% higher aliphatic mold release agent (preferably ethylene glycol montanic acid ester). The composition is preferably obtained by blending the components A to C with other additives in a molten state. When melt thermal stability in molding and heat resistance in a range of many hours are required, the composition is preferably mixed with a thermal stabilizer and an antioxidant.