Journal
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
Volume 51, Issue 1, Pages 86-91Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2011.618156
Keywords
Acetic acid; Chemical modification; Chitosan; Composites; Polypropylene
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The main objective of this research was to investigate the effect of chitosan content and chemical modification with acetic acid on mechanical and thermal properties of PP/Chitosan. It was found that the tensile strength, elongation at break and crystallinity of untreated PP/Chitosan composites decreased with increasing filler content; however, Young's modulus and thermal stability increased. The treated chitosan with acetic acid have improved the tensile strength and Young's modulus of PP/Chitosan composites. The thermal analysis results show that chemical modified chitosan had increase thermal stability and crystallinity of treated PP/Chitosan composites. The scanning electron microscopy (SEM) study of the tensile fracture surface of treated PP/Chitosan composites indicated that the presence of acetic acid increased the interfacial interaction between chitosan and polypropylene matrix.
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