POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION

PROBLEM TO BE SOLVED: To provide a polybutylene terephthalate resin composition which does not cause various problems such as generation of toxic gas, appearance unevenness, and reduction in flowability, and is excellent in a reactivity ratio between a reactive compound and a terminal carboxyl group...

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Bibliographische Detailangaben
Hauptverfasser:	KAMIYA MIKA, KAWAGUCHI KUNIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polybutylene terephthalate resin composition which does not cause various problems such as generation of toxic gas, appearance unevenness, and reduction in flowability, and is excellent in a reactivity ratio between a reactive compound and a terminal carboxyl group.SOLUTION: A polybutylene terephthalate resin composition contains a polybutylene terephthalate resin, and styrene-(meth)acrylate glycidyl polymer having an epoxy equivalent of 500-2,000 g/eq, and has an epoxy reactivity ratio calculated by formula (1) of 50% or more. Expression (1): epoxy reactivity ratio=(amount of terminal carboxyl group of polybutylene terephthalate resin-amount of terminal carboxyl group of resin composition)/amount of terminal carboxyl group of polybutylene terephthalate resin.