FOAM

PROBLEM TO BE SOLVED: To solve a problem that since a foam comprising a polylactic acid and a polystyrene has >1% shape change ratio in an environment at 50-80°C, it is hardly used in uses such as a conventional plastic foam molding. SOLUTION: In a foamable resin particle in which a resin composi...

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Bibliographische Detailangaben
1. Verfasser: SUGIO KEITARO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To solve a problem that since a foam comprising a polylactic acid and a polystyrene has >1% shape change ratio in an environment at 50-80°C, it is hardly used in uses such as a conventional plastic foam molding. SOLUTION: In a foamable resin particle in which a resin composition composed of 30-75 parts wt. of a polylactic acid, 70-25 parts wt. of a styrene-based resin is impregnated with a blowing agent, the styrene-based resin contains a functional group to be reacted with a carboxy group or a hydroxy group. COPYRIGHT: (C)2006,JPO&NCIPI