Journal of Polymers and the Environment

, Volume 26, Issue 9, pp 3949–3956 | Cite as

Thermal and Mechanical Properties of Eco-friendly Poly(Vinyl Alcohol) Films with Surface Treated Bagasse Fibers

  • Gaiping Guo
  • Aimin Xiang
  • Huafeng TianEmail author
Original Paper


Bagasse fibers reinforced poly(vinyl alcohol) (PVA) composite films were successfully prepared by solution casting method. To enhance the dispersing effect of the fillers, alkali treatment of the plant fibers was adopted before the fabrication of composites. The structure and properties of the resulting composites were characterized by scanning electron microscopy (SEM), X-ray diffraction, differential scanning calorimetry, mechanical tests, water uptake and thermal stability in detail. The results showed that bagasse fibers after surface modification exhibited good compatibility with PVA matrix. The increased polarity as well as the roughness would be beneficial to the interaction and mechanical interlocking between the fiber and matrix. Acting as the heterogeneous nucleation agents, the fibers could enhance the degree of crystallization and decrease the supercooling degrees of PVA matrix. The fibers exhibited dramatically reinforcing effect in the matrix, and with the increase of fiber, the Young’s modulus and tensile yield stress increased. The Young’s modulus and tensile yield stress of composites with 8% filler would be 3 and 2 times compared with neat PVA films. The thermal stability decreased a little and the water uptake increased with the increase of filler content. These composite films would find wide applications in green packaging areas for their fine mechanical and thermal properties.


Fiber PVA Reinforcing Surface treatment Mechanical properties 



This work was supported by Beijing Top Young Innovative Talents Program (2014000026833ZK13), Open Funding of State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University (LK1406), and Open Funding of Key Laboratory of Recycling and Eco-treatment of Waste Biomass of Zhejiang Province (2016REWB14).


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsDonghua University and School of Material and Mechanical Engineering, Beijing Technology and Business UniversityBeijingChina
  2. 2.Key Laboratory of Recycling and Eco-treatment of Waste Biomass of Zhejiang Province and Department of Chemical EngineeringTsinghua UniversityBeijingChina

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