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A green and efficient method for preparing acetylated cassava stillage residue and the production of all-plant fibre composites

机译：一种绿色高效的乙酰化木薯渣残渣的制备和全植物纤维复合材料的生产方法

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摘要

Cassava stillage residue (CSR), a kind of agro-industrial plant fibres, was directly acetylated and converted into thermoplastic material by mechanical activation-assisted solid phase reaction (MASPR) in a stirring ball mill without the use of organic solvent and additives. As combining mechanical activation and chemical modification in the same equipment, the destruction of hydrogen bonds and crystalline structure of CSR induced by intense milling improved the reactivity of CSR, leading to the effective acetylation of CSR. After acetylation by MASPR, the modified CSRs possessed thermoplasticity, ascribing to the introduction of acetyl groups and the destruction of high crystallinity structure of cellulose. The self-reinforced all-plant fibre composites (APFC) were successfully produced with the modified CSRs as both matrix and reinforcement by hot pressing technology. The direct acetylation of CSR and successful production of APFC suggested that MASPR was a simple, efficient and environmentally friendly method for chemical modification of agro-industrial lignocellulose biomass.
机译：木薯釜馏残渣（CSR）是一种农用工业植物纤维，在不使用有机溶剂和添加剂的情况下，通过机械活化辅助固相反应（MASPR）在搅拌球磨机中直接乙酰化并转化为热塑性材料。由于在同一设备中将机械活化和化学改性相结合，强烈研磨引起的CSR氢键的破坏和晶体结构提高了CSR的反应性，导致CSR的有效乙酰化。通过MASPR乙酰化后，改性的CSR具有热塑性，这归因于乙酰基的引入和纤维素高结晶度结构的破坏。通过热压技术成功地生产了改性CSR作为基质和增强材料的自增强全植物纤维复合材料（APFC）。 CSR的直接乙酰化和APFC的成功生产表明，MASPR是一种简单，高效且环境友好的方法，用于化学修饰农用工业木质纤维素生物质。

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  • 来源
    《Composites Science and Technology》 |2014年第6期|139-144|共6页
  • 作者

    Yanjuan Zhang; Tao Gan; Yuanwei Luo; Xiaohong Zhao; Huayu Hu; Zuqiang Huang; Aimin Huang; Xingzhen Qin;

  • 作者单位

    School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China,Guangxi Research Institute of Chemical Industry, Nanning 530001, China;

    School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China;

    School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China;

    School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China;

    School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China;

    School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China;

    School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China;

    School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A. Fibres; B. Mechanical properties; B. Surface treatments; D. Infrared (IR) spectroscopy; Mechanical activation;

    机译：A.纤维;机械性能;B.表面处理;D.红外光谱;机械激活;

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