POLYESTER ELASTOMER DERIVED FROM BIOMASS RESOURCE

To provide a polyester elastomer derived from a biomass resource, which is free from coloration and can retain excellent mechanical characteristics, residence stability, water-aging resistance, and heat-aging resistance.SOLUTION: Provided is a polyester elastomer in which a hard segment comprising a...

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Bibliographische Detailangaben
Hauptverfasser:	SUMINO SHOGO, TAMAKI YUKI, AKAISHI TAKUYA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON 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:	To provide a polyester elastomer derived from a biomass resource, which is free from coloration and can retain excellent mechanical characteristics, residence stability, water-aging resistance, and heat-aging resistance.SOLUTION: Provided is a polyester elastomer in which a hard segment comprising an aromatic dicarboxylic acid and an aliphatic and/or alicyclic diol as constituent components and a soft segment comprising an aromatic dicarboxylic acid and an aliphatic polyether as constituent components are bonded, where the aromatic dicarboxylic acid and the aliphatic and/or alicyclic diol are derived from a fossil fuel resource, the aliphatic polyether is derived from a biomass resource, the polyester elastomer has a biomass degree of 20-85%, and the polyester elastomer has a reduced viscosity of 1.2 dl/g or more.SELECTED DRAWING: None 【課題】着色のない、化石燃料資源由来ポリエステルエラストマーが有する優れた機械特性、滞溜安定性、耐水老化性、及び耐熱老化性を保持することができるバイオマス資源由来ポリエステルエラストマーを提供する。【解決手段】芳香族ジカルボン酸と脂肪族及び／又は脂環族ジオールを構成成分とするポリエステルからなるハードセグメントと、芳香族ジカルボン酸と脂肪族ポリエーテルを構成成分とするソフトセグメントが結合したポリエステルエラストマーであって、前記芳香族ジカルボン酸と前記脂肪族及び／又は脂環族ジオールは化石燃料資源由来であり、前記脂肪族ポリエーテルはバイオマス資源由来であり、前記ポリエステルエラストマーのバイオベース度が２０～８５％であり、かつ前記ポリエステルエラストマーの還元粘度が１．２ｄｌ／ｇ以上であることを特徴とする。【選択図】なし