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Development of biomimetic fiber mimicking cotton fiber structure

Research Project

Project/Area Number 17K00796
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Clothing life/Dwelling life
Research InstitutionKyoritsu Women's University

Principal Investigator

Murase Hiroki  共立女子大学, 家政学部, 教授 (60525509)

Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2018: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2017: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Keywordsバイオミメティック / Additive manufacturing / 3Dプリンティング / 綿 / 繊維構造 / 流動誘起構造 / 放射光 / SAXS / コットン / セルロース / 微細構造 / 3Dプリンタ / Additive Manufacturing / 複合紡糸 / 螺旋構造 / 階層構造 / 合成繊維 / 紡糸 / 3Dプリンタ / 被服材料 / 繊維工学
Outline of Final Research Achievements

The purpose of this study was to clarify the contribution of hierarchical structure to the excellent functions of a cotton fiber and to develop a new spinning method that mimics the internal structure of cotton fibers. We devised and practiced a new method of spinning filaments with heterogeneous polymers arranged in a spiral pattern, using the ejection mechanism of a FDM (Fused Deposition Modeling) 3D printer, and succeeded in reproducing a structure similar to the concentric multilayered structure of cotton fibers with synthetic polymers. We succeeded in reproducing a structure similar to the concentric multilayered structure of cotton fibers with synthetic polymers. Furthermore, by observing the resin flow in the nozzle, it was found that the shear flow under a temperature gradient is important for the formation of this structure. The microstructure of cotton fibers was also analyzed by synchrotron radiation small angle X-ray scattering.

Academic Significance and Societal Importance of the Research Achievements

綿は最も多く衣類に用いられる天然繊維であるが,世界の人口増加のペースに生産が追いついておらず将来の不足が懸念されている。合成繊維で綿を代替するための多くの研究が行われてきたが,綿の良さを再現するには至っていない。その原因として,綿の持つ複雑な高次構造を合成繊維では再現できていないことがあげられる。本研究によって、簡便な方法で綿の同心円多層構造を再現する手法を開発できたことは、合成高分子を用いたバイオミメティック繊維の研究に大きな貢献を果たしたと言える。また、本技術は繊維の開発にとどまらず、新規な生産方法として発展している3Dプリンタの技術にも新しい知見を提供した。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (4 results)

All 2020 2019 2018

All Presentation (4 results) (of which Int'l Joint Research: 2 results)

  • [Presentation] 乾燥過程における綿繊維およびラミー繊維の構造変化2020

    • Author(s)
      村瀬浩貴、船城健一
    • Organizer
      繊維学会秋季研究発表会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Novel Bicomponent Polymer Fiber Mimicking Cotton Cell Wall Structure2019

    • Author(s)
      Hiroki Murase, Erina Oyama
    • Organizer
      The 15th Asian Textile Conference
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 3Dプリンタを用いた複合紡糸による分子配列制御2018

    • Author(s)
      村瀬 浩貴
    • Organizer
      繊維学会年次大会
    • Related Report
      2018 Research-status Report 2017 Research-status Report
  • [Presentation] Novel Conjugated Fibers Manufactured via Fused Deposition Modeling Process in 3D Printing2018

    • Author(s)
      Hiroki Murase
    • Organizer
      International Symposium on Dyeing and Functionalization of Textile and Polymers
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research

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Published: 2017-04-28   Modified: 2022-01-27  

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