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成果報告書詳細
管理番号20170000000537
タイトル*平成28年度中間年報 非可食性植物由来化学品製造プロセス技術開発 研究開発項目(2)木質系バイオマスから化学品までの一貫製造プロセスの開発 高機能リグノセルロースナノファイバーの一貫製造プロセスと部材化技術開発
公開日2017/7/6
報告書年度2016 - 2016
委託先名国立大学法人京都大学 王子ホールディングス株式会社 日本製紙株式会社 星光PMC株式会社 地方独立行政法人京都市産業技術研究所
プロジェクト番号P13006
部署名材料・ナノテクノロジー部
和文要約
英文要約Technology Development of Manufacturing Processes for Non-edible Plant-derived Chemicals. / Development of an Integrated Process for Manufacturing Chemical Derived from Woody Plant Resources /The development of production process for high performance lignocellulosic nanofibers and their applications.

Summary
The fundamental technology to improve the heat resistance of lignocellulose nanofibers and dispersibility of lignocellulose nanofibers in the matrix resins has been developed in order to use cellulose nanofibers to reinforce automotive and housing plastic parts.
The project consists of five parts as follows: 1) development of the technology for the isolation of ligno pulps/cellulose nanofibers from plant resources such as wood; 2) development of the technology for the chemical modification of lignocellulose nanofibers suitable for plastic reinforcement; 3) development of the continual production process of lignocellulose nanofibers reinforced composites; 4) development of the technology for the evaluation of cellulose nanofibers (CNF) size distribution and surface chemical reactivity; 5) development of the technology for the application of lingo cellulose nanofibers reinforced plastics.
1. The technology for the isolation of ligno pulps/CNF from 5 wood species, bamboo and rice straw was studied and the improvement of heat resistance was attained. The reinforcing efficiency of the pulps for PA6 was studied after chemical modification.
2. The chemical modification of lingo CNF suitable for thermoplastic reinforcement was studied. The reinforcement using acetylated 10 wt% cellulose nanofibers was found to increase Young’s modulus and bending strength of Polyamide (PA6, PA66, PA11, PA12, PA610, PA612), PET, POM, PLA, PC/ABS, m-PPE, PE, and PP by 1.5-2.5 times.
3. An integrated production process that simultaneously nanofibrillates chemically modified pulp and uniformly disperses ligno CNF in resins was developed and the test plant (producing capacity: 1 ton/year based on 10wt% CNF content) constructed at RISH, Kyoto University in FY2016 started operation to supply to automotive companies, housing company who joined in this project as advisers and supplied their evaluations.
4. The development of the production process of ligno CNF reinforced composites with high lignin and hemicellulose content was studied. A combination of structural control of lignin and chemical modification of hemicellulose resulted in high Young’s modulus and low thermal expansion material by compression molding.
5. The micro-foaming of chemically treated CNF reinforced PA6 and PC/ABS was tried using super critical N2 method.
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