Preparation and Properties of Pullulan Composite Films

Abstract:

In the paper, preparation and properties of pullulan composite films were studied. Several kinds of materials (glass, iron, steel, propene polymer and polyvinyl chloride plates) were chosen for preparing films. The results showed that the steel plate was the most suitable material for preparing film. The tensile strength of pullulan film was significantly reduced when the drying temperature was higher than 50°C. The time of dissolution observably decreased, whereas water vapor permeability increased with increasing drying temperature. Pullulan film has higher tensile strength, better water barrier properties, shorter solubilization time and lower elongation at break than those of hydroxypropylmethylcellulose film, respectively. The composite film (Pullulan and hydroxypropylmethylcellulose) with weight ratio (1/2) has higher tensile strength, better water barrier properties, longer solubilization time than those of other ratios. Difference properties of films could be obtained in different weight ratio (Pullulan and hydroxypropylmethylcellulose).

• Periodical: Advanced Materials Research (Volumes 476-478)
• Pages: 2100-2104
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.476-478.2100
• Online since: February 2012
• Authors: Jian Jun Yan, Zheng Li, Jian Fei Zhang, Chang Sheng Qiao
• Keywords: Film, Hydroxypropyl Methylcellulose, Mechanical Property, Pullulan, Water Vapour Permeability

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