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ポリ乳酸/ABS複合材料の熱分解シミュレーション解析と選択的資源循環
http://hdl.handle.net/10228/00006728
http://hdl.handle.net/10228/000067287d71486e-a599-42b5-9c53-e928f4bcbfa6
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10254279.pdf (13.5 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||||||||
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公開日 | 2018-05-01 | |||||||||||||||||
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資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||
資源タイプ | journal article | |||||||||||||||||
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タイトル | ポリ乳酸/ABS複合材料の熱分解シミュレーション解析と選択的資源循環 | |||||||||||||||||
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言語 | jpn | |||||||||||||||||
著者 |
附木, 貴行
× 附木, 貴行× 柳田, 大輝× 山城, 恵作× 白井, 義人
WEKO
8065
× 西田, 治男
WEKO
21961
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抄録 | ||||||||||||||||||
内容記述タイプ | Abstract | |||||||||||||||||
内容記述 | ポリL-乳酸(PLLA)/ABSブレンド体からPLLA成分の解重合によってL,L-ラクチドを選択的に回収し,ブレンド体を効率的に資源循環する方法を検討した.解重合触媒は酸化マグネシウム(MgO)を用いた結果,熱分解生成物は,L,L-ラクチド選択性が99.0%と高い値が得られ,優れたラセミ化抑制効果を示した.動力学シミュレーション解析の結果,MgO共存下のPLLA成分の主分解反応は,アルコラートアニオン末端からのアンジッピング解重合(n=0)と推定された.また,押出機によるPLLA/ABSブレンド体の実証試験結果,スクリュー構成や回転数,触媒量を変更により,L,L-ラクチド回収率100%および純度85.0%を達成し,さらに残渣ABSのマテリアルリサイクル性を確認した.以上の結果から,押出成形機を用いたケミカル/マテリアルリサイクルの可能性を実証した. / The thermal degradation behavior of poly-L-lactic acid (PLLA)/acrylonitrile-styrene-butadiene (ABS) blends was investigated by thermal gravimetric (TG) analysis and pyrolysis-gas chromatography-mass spectroscopy. TG data were analyzed kinetically using simulation methods to estimate the kinetic parameters and degradation mechanisms. When magnesium oxide (MgO) was used as a catalyst, unzipping depolymerization proceeded to generate cyclic monomer L,L-lactide selectively in 99.0% yield. Based on the simulated kinetic analysis, it was estimated that the degradation behavior is a zero-order weight loss process and the depolymerization mechanism is a back-biting reaction from hydroxyl chain ends. Demonstration tests of PLLA/ABS/MgO blends were carried out with a twin-screw extruder, resulting in quantitative recovery of L,L-lactide with a high optical purity from PLLA ingredient and confirmation of material recyclability of ABS ingredient. | |||||||||||||||||
書誌情報 |
高分子論文集 巻 70, 号 10, p. 581-588, 発行日 2013-10-25 |
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出版者 | 公益社団法人高分子学会 | |||||||||||||||||
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識別子タイプ | DOI | |||||||||||||||||
関連識別子 | https://doi.org/10.1295/koron.70.581 | |||||||||||||||||
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収録物識別子タイプ | ISSN | |||||||||||||||||
収録物識別子 | 1881-5685 | |||||||||||||||||
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収録物識別子タイプ | ISSN | |||||||||||||||||
収録物識別子 | 0386-2186 | |||||||||||||||||
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権利情報 | Copyright (c) 2013 公益社団法人 高分子学会 | |||||||||||||||||
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出版タイプ | AM | |||||||||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||||||||
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値 | yes | |||||||||||||||||
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https://hyokadb02.jimu.kyutech.ac.jp/html/397_ja.html | ||||||||||||||||||
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10254279 | ||||||||||||||||||
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6938 | ||||||||||||||||||
著者別名 | ||||||||||||||||||
姓名 | Tsukegi, Takayuki | |||||||||||||||||
著者別名 | ||||||||||||||||||
姓名 | Yanagida, Hiroki | |||||||||||||||||
著者別名 | ||||||||||||||||||
姓名 | Yamashiro, Keisaku | |||||||||||||||||
著者別名 | ||||||||||||||||||
姓名 | Shirai, Yoshihito | |||||||||||||||||
言語 | en | |||||||||||||||||
姓名 | 白井, 義人 | |||||||||||||||||
言語 | ja | |||||||||||||||||
姓名 | シライ, ヨシヒト | |||||||||||||||||
言語 | ja-Kana | |||||||||||||||||
著者別名 | ||||||||||||||||||
姓名 | Nishida, Haruo | |||||||||||||||||
言語 | en | |||||||||||||||||
姓名 | 西田, 治男 | |||||||||||||||||
言語 | ja | |||||||||||||||||
姓名 | ニシダ, ハルオ | |||||||||||||||||
言語 | ja-Kana |