Jinquan Yue

Northeast Forestry University, Charbin, Heilongjiang Sheng, China

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Publications (1)3.82 Total impact

  • Wei Li, Jinquan Yue, Shouxin Liu
    [Show abstract] [Hide abstract]
    ABSTRACT: Rod-shaped nanocrystalline cellulose (NCC) was prepared from microcrystalline cellulose (MCC) using the purely physical method of high-intensity ultrasonication. Scanning electron microscopy, transmission electron microscopy, and X-ray diffraction was used for the characterization of the morphology and crystal structure of the material. The thermal properties were investigated using thermogravimetric analysis. The reinforcement capabilities of the obtained NCC were investigated by adding it to poly(vinyl alcohol) (PVA) via the solution casting method. The results revealed that the prepared NCC had a rod-shaped structure, with diameters between 10 and 20 nm and lengths between 50 and 250 nm. X-ray diffraction results indicated that the NCC had the cellulose I crystal structure similar to that of MCC. The crystallinity of the NCC decreased with increasing ultrasonication time. The ultrasonic effect was non-selective, which means it can remove amorphous cellulose and crystalline cellulose. Because of the nanoscale size and large number of free-end chains, the NCC degraded at a slightly lower temperature, which resulted in increased char residue (9.6-16.1%), compared with that of the MCC (6.2%). The storage modulus of the nanocomposite films were significantly improved compared with that of pure PVA films. The modulus of PVA with 8 wt.% NCC was 2.40× larger than that of pure PVA.
    Ultrasonics Sonochemistry 11/2011; 19(3):479-85. DOI:10.1016/j.ultsonch.2011.11.007 · 3.82 Impact Factor

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21 Citations
3.82 Total Impact Points

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  • 2011
    • Northeast Forestry University
      • College of Materials Science and Engineering
      Charbin, Heilongjiang Sheng, China