Ionic liquid induces flexibility and thermoplasticity in cellulose film

Muhammad Abdul Haq, Yasuhiro Habu, Kazuya Yamamoto, Akihiko Takada, Jun ichi Kadokawa

研究成果: Contribution to journalArticle査読

9 被引用数 (Scopus)

抄録

It is still challenging to melt-process cellulose. In this paper, we proposed a method for the formation of thermally processable flexible cellulose films via gelation from its solution in ionic liquid (1-butyl-3-methylimidazolium chloride; BMIMCl). Cotton, as a source of cellulose, was dissolved (5 wt%) in BMIMCl and subsequently placed in different amounts of water. The obtained ion gels were dried at 60 °C for 24 h; during drying process, water was removed while BMIMCl was retained. It was found that the amount of retained BMIMCl had a critical role in determining the mechanical properties of the films. It was suspected that the processing conditions altered the degree of crystallinity of cellulose in the films as evidenced by X-ray diffraction measurement. The ionic liquid, i.e., BMIMCl induced the plasticity into the films, so that thermal processability to different shapes became possible.

本文言語英語
論文番号115058
ジャーナルCarbohydrate Polymers
223
DOI
出版ステータス出版済み - 11 1 2019

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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