Preparation and Properties of Poly(vinyl alcohol)/Chitosan Blend Bio-nanocomposites Reinforced by Cellulose Nanocrystals

Susan Azizi; Mansor Bin Ahmad; Nor Azowa Ibrahim; Mohd Zobir Hussein; Farideh Namvar

doi:10.1007/s10118-014-1548-0

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Preparation and Properties of Poly(vinyl alcohol)/Chitosan Blend Bio-nanocomposites Reinforced by Cellulose Nanocrystals

Updated：2021-06-21

- Preparation and Properties of Poly(vinyl alcohol)/Chitosan Blend Bio-nanocomposites Reinforced by Cellulose Nanocrystals
- Chinese Journal of Polymer Science Vol. 32, Issue 12, Pages: 1620-1627(2014)
- Affiliations：
  
  a.Department of Chemistry, Faculty of Science, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
  b.Materials Synthesis and Characterization Laboratory, Institute of Advanced Technology, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
  c.Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
  d.Mashhad Branch, Islamic Azad University, Mashhad, Iran
- Author bio：
  
  **Susan Azizi, E-mail: azisusan@gmail.com
- Funds：
- DOI：10.1007/s10118-014-1548-0
  CLC：
- Received：05 March 2014，
  
  Revised：2014-05-15，
  
  Accepted：29 May 2014，
  
  Published：2014-12
- Accepted：
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Susan Azizi, Mansor Bin Ahmad, Nor Azowa Ibrahim, et al. Preparation and Properties of Poly(vinyl alcohol)/Chitosan Blend Bio-nanocomposites Reinforced by Cellulose Nanocrystals[J]. Chinese Journal of Polymer Science, 2014, 32(12): 1620-1627.
DOI：

Susan Azizi, Mansor Bin Ahmad, Nor Azowa Ibrahim, et al. Preparation and Properties of Poly(vinyl alcohol)/Chitosan Blend Bio-nanocomposites Reinforced by Cellulose Nanocrystals[J]. Chinese Journal of Polymer Science, 2014, 32(12): 1620-1627. DOI： 10.1007/s10118-014-1548-0.

摘要

Abstract

The aim of this paper is to report the effect of the addition of cellulose nanocrystals (CNCs) on the mechanical

thermal and barrier properties of poly(vinyl alcohol)/chitosan (PVA/Cs) bio-nanocomposites films prepared through the solvent casting process. The characterizations of PVA/Cs/CNCs films were carried out in terms of X-ray diffraction (XRD)

transmission electron microscopy (TEM)

scanning electron microscopy (SEM)

thermogravimetric analysis (TGA and DTG)

oxygen transmission rate (OTR)

and tensile tests. TEM and SEM results showed that at low loading levels

CNCs were dispersed homogenously in the PVA/Cs matrix. The tensile strength and modulus in films increased from 55.1 MPa to 98.4 MPa and from 395 MPa to 690 MPa respectively

when CNCs content went from 0 wt% to 1.0 wt%. The thermal stability and oxygen barrier properties of PVA/Cs matrix were best enhanced at 1.0 wt% of CNCs loading. The enhanced properties attained by incorporating CNCs can be beneficial in various applications.

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