ELECTRICALLY CONDUCTIVE RESIN COMPOSITION FOR BIODEGRADABLE FOAMED ARTICLE

PROBLEM TO BE SOLVED: To provide a foamable resin composition which has electrical conductivity and biodegradability, and which exhibits excellent productivity. SOLUTION: The resin composition is provided by compounding and reacting a polylactic acid consisting of the L-isomer and the D-isomer in a...

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Hauptverfasser:	NAKAE TSUNAHIRO, KUBO TAKAYOSHI, YAMA SHINKO, NAITO HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a foamable resin composition which has electrical conductivity and biodegradability, and which exhibits excellent productivity. SOLUTION: The resin composition is provided by compounding and reacting a polylactic acid consisting of the L-isomer and the D-isomer in a mole ratio of 95/5 to 64/40, or of 40/60 to 5/95, with 0.5 to 5 percent by weight, based on the polylactic acid, of a polyisocyanate having an isocyanate group of 2.0 equivalents or more per mole, and with an electrically conductive carbon. The composition has the melting viscosity of a melt index (MI) of 5 or less, and a surface resistivity of 1010Ω or less. COPYRIGHT: (C)2006,JPO&NCIPI