Barrier and mechanical properties of biodegradable poly(ε-caprolactone)/cellophane multilayer film

ABSTRACT In this study, cellophane (PT) multilayer films were prepared by coating with different thickness of poly(ε‐caprolactone) (PCL) and chitosan (CH), and its effects on barrier and mechanical properties were evaluated. It was shown that the PCL/PT/PCL and PCL/CH/PT/CH/PCL multilayer films exhi...

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Veröffentlicht in:	Journal of applied polymer science 2013-11, Vol.130 (3), p.1805-1811
Hauptverfasser:	Shi, Cancan, Zhang, Shuhong, Li, Mengting, Sun, Wenxiu, Fan, Guisheng, Jin, Ye, Yang, Jinjun, Dong, Tungalag
Format:	Artikel
Sprache:	eng
Schlagworte:	Application fields Applied sciences Barriers Biodegradability biodegradable Cellophane Coating coatings Elongation Exact sciences and technology Forms of application and semi-finished materials Materials science Mechanical properties Multilayers packaging Polymer industry, paints, wood Polymers Sheets and films Technology of polymers Tensile strength
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Zusammenfassung:	ABSTRACT In this study, cellophane (PT) multilayer films were prepared by coating with different thickness of poly(ε‐caprolactone) (PCL) and chitosan (CH), and its effects on barrier and mechanical properties were evaluated. It was shown that the PCL/PT/PCL and PCL/CH/PT/CH/PCL multilayer films exhibit much better water vapor barrier than PT, and these films still keep the high oxygen barrier. And the barrier properties of multilayer film were improved with the increase of the thickness of coating materials. The Young's modulus and tensile strength of PT multilayer film were slightly decreased, and their elongations at break were increased by coating. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 1805–1811, 2013
ISSN:	0021-8995 1097-4628
DOI:	10.1002/app.39354