BIOMASS-RESOURCE-DERIVED POLYESTER AND PRODUCTION PROCESS THEREOF

Provided is a pellet obtained from a biomass-resource-derived polyester comprising as a main repeating unit thereof a dicarboxylic acid unit and a diol unit, wherein at least one of the dicarboxylic acid and diol used as raw materials of the polyester is obtained from biomass resources;and wherein a...

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Bibliographische Detailangaben
Hauptverfasser: UYEDA, Tadashi, YAMAGISHI, Kenji, KUMAZAWA, Katsuhisa, MIKI, Yasuaki, AOSHIMA, Takayuki, KATOU, Satoshi, HOSHINO, Toyomasa, SHINTANI, Noboru
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Provided is a pellet obtained from a biomass-resource-derived polyester comprising as a main repeating unit thereof a dicarboxylic acid unit and a diol unit, wherein at least one of the dicarboxylic acid and diol used as raw materials of the polyester is obtained from biomass resources;and wherein a nitrogen atom content in the polyester except nitrogen atoms contained in the covalently bonded functional group in the molecule of the polyester is, in terms of a mass ratio, 0.01 ppm or greater but not greater than 50 ppm relative to the polyester.