Cellulose Nanofiber and Dye from Oil Palm Tree

• 資料種別: 博士論文
• タイトル: Cellulose Nanofiber and Dye from Oil Palm Tree
• 著者・編者: KAMTHORN INTHARAPICHAI
• 著者標目: KAMTHORN INTHARAPICHAI
• 出版年月日等: 2020-03-25
• 出版年（W3CDTF）: 2020-03-25
• 並列タイトル等: 油ヤシからのセルロースナノファイバーと染料の製造
• 授与機関名: 京都工芸繊維大学
• 授与年月日: 2020-03-25
• 授与年月日（W3CDTF）: 2020-03-25
• 報告番号: 甲第968号
• 学位: 博士(工学)
• 博論授与番号: 甲第968号
• 本文の言語コード: eng
• 件名標目: Cellulose nanofiber; Crystallinity; Dyeability; Empty fruit bunch; Extracts; Hue; Lightness; Mechanical properties; Morphology; Oil palm tree; Palm kernel shell; Palm pressed fiber; Sheet; Trunk
• 対象利用者: 一般
• 一般注記: type:Thesis; The purpose of this study is producing cellulose nanofiber and dye from oil palm tree. This thesis consists of four chapters, the essence of each chapter is as follows.In Chapter 1, it was reported on background of this thesis and present state regarding the production of cellulose nanofiber and natural dyes. Especially these materials were over viewed in historic and global point of view and summarized and the purpose of this study was described.In Chapter 2, cellulose nanofibers (CNFs) were obtained from three types of oil palm wastes, palm pressed fiber (PPF), empty fruit bunch (EFB), and palm kernel shell (PKS), as well as the trunk of the oil palm tree, to compare their morphological, thermal, and mechanical properties. Despite large differences in the chemical components of cell walls in the raw materials, the production of CNFs from all parts of the oil palm were achieved in this work. The morphology and mechanical properties of the CNF sheets obtained from the trunk had advantages over the CNF sheets from wastes, while the thermal degradation properties showed no advantage. Cellulose crystallinity of the CNF sheet from the PPF and PKS had lower crystallinity (69.1 and 71.1%), and the highest crystallinity of 77.0% was exhibited by the sheet from the trunk. The value of specific tensile strength and specific Young’s modulus were highest in the CNF sheet of the trunk, and lowest mechanical properties shown in the CNF sheet from the PPF. These results strongly suggested that the CNF could be obtained from all parts of the plants, but their properties may vary.In Chapter 3, the dyeing of fabrics by using the extracts from trunk, empty fruit bunch, PPF and palm kernel shell (PKS) of oil palm trees was tried and the relationships between dyeing conditions and dyeability were studied. It was found that the PKS extracts obtained by the extraction with water dye silk fabric brownish orange color and they show highest dyeability among the extracts. The dyeing results for silk fabric by PKS extracts with an increase in the amount of extracts in the dyeing solution do not show general dyeing behaviour. The hue of dyed silk changes and the lightness decreases and then slightly increases with an increase in the supplied amount of extracts. It indicates that the colourants in PKS extracts may be oxidised and they change chemically during dyeing process and/or the colourant molecules might form aggregates and the composition of dyestuffs adsorbed on fibre varies. The dyeability of silk by PKS extracts increases with increasing dyeing time and temperature. Furthermore, it was revealed that wool, cotton, ramie and nylon are also dyed by PKS extracts. This study has clarified for the first time that the extracts from PKS of oil palm trees work as a useful dye dyestuff.
• 国立国会図書館永続的識別子: info:ndljp/pid/12263422; https://dl.ndl.go.jp/pid/12263422
• コレクション（共通）: 障害者向け資料
• コレクション（障害者向け資料：レベル1）: テキストデータ
• コレクション（個別）: 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文; https://dl.ndl.go.jp/collections/A00014
• 収集根拠: 博士論文（自動収集）
• 受理日（W3CDTF）: 2022-05-09T11:57:37+09:00
• 記録形式（IMT）: application/pdf
• オンライン閲覧公開範囲: 国立国会図書館内限定公開
• デジタル化資料送信: 図書館・個人送信対象外
• 遠隔複写可否（NDL）: 可
• 掲載誌（URI）: http://hdl.handle.net/10212/2578
• 連携機関・データベース: 国立国会図書館 : 国立国会図書館デジタルコレクション; https://dl.ndl.go.jp