Blends of LDPE/chitosan using epoxy-functionalized LDPE as compatibilizer

LDPE and chitosan blends were prepared using an epoxy‐functionalized polyethylene as compatibilizing agent for improving interfacial adhesion. Compatibilization improved both tensile and flexural properties (with values approaching close to that of neat LDPE) when compared with that of uncompatibili...

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Bibliographic Details
Published in:Journal of applied polymer science 2012-05, Vol.124 (4), p.3264-3275
Main Authors: Prasanna, K., Sailaja, R. R. N.
Format: Article
Language:English
Subjects:
Applied sciences
chitosan
compatibilizer
Exact sciences and technology
LDPE
Materials science
Natural polymers
Physicochemistry of polymers
Polymers
Starch and polysaccharides
thermal and mechanical properties
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Summary:LDPE and chitosan blends were prepared using an epoxy‐functionalized polyethylene as compatibilizing agent for improving interfacial adhesion. Compatibilization improved both tensile and flexural properties (with values approaching close to that of neat LDPE) when compared with that of uncompatibilized blends. However, the elongation at break reduced due to the addition of rigid chitosan. Thermogravimetric analysis showed a two‐stage degradation, while differential scanning calorimetry exhibited reduced crystallinity for compatibilized blends. Biodegradation studies revealed increased biodegradability with increase in chitosan loading. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
ISSN:0021-8995
1097-4628
DOI:10.1002/app.35262