MASTERBATCH FOR FOAM MOLDING AND MOLDED FOAM ARTICLE

The present invention provides a masterbatch for foam molding from which a foam molded article capable of maintaining foaming over time and having less excessive foaming can be produced, and a foam molded article produced using the masterbatch for foam molding. Provided is a masterbatch for foam mol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAWAGUCHI, Yasuhiro, YOSHIDA, Hirokazu
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention provides a masterbatch for foam molding from which a foam molded article capable of maintaining foaming over time and having less excessive foaming can be produced, and a foam molded article produced using the masterbatch for foam molding. Provided is a masterbatch for foam molding containing: a base resin; and a thermally expandable microcapsule, the masterbatch satisfying a ratio of a porosity with a pore size of 0.001 um or more to the interfacial area per unit weight (porosity with a pore size of 0.001 um or more/interfacial area per unit weight) of 0.015%/cm2/g or less and having a volatile content of 0.7% by weight or less.