High performance structured polymer barrier films obtained from compatibilized polypropylene/ethylene vinyl alcohol blends | Zendy

AitKadi A. | Zendy; Bousmina M. | Zendy; Yousefi A.A. | Zendy; Mighri F. | Zendy

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High performance structured polymer barrier films obtained from compatibilized polypropylene/ethylene vinyl alcohol blends

Author(s) -

AitKadi A.,

Bousmina M.,

Yousefi A.A.,

Mighri F.

Publication year - 2007

Publication title -

polymer engineering and science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.503

H-Index - 111

eISSN - 1548-2634

pISSN - 0032-3888

DOI - 10.1002/pen.20794

Subject(s) - polypropylene , materials science , maleic anhydride , copolymer , vinyl alcohol , ethylene , composite material , styrene , polymer blend , polymer , morphology (biology) , lamellar structure , polymer chemistry , organic chemistry , chemistry , biology , genetics , catalysis

The effects of different functionalized polypropylene (PP) and diethyl maleate (DEM) combined with styrene–ethylene–butene–styrene copolymer (SEBS) on various properties of extruded‐stretched films of polypropylene/ethylene vinyl alcohol (PP/EVOH) blends were studied. The stretched films of the original PP/EVOH blends and those of the polymer‐ g ‐DEM modified blends showed lamellar‐type morphology, whereas their maleic anhydride (MAH) functionalized counterparts showed fibrillar morphology. Such peculiar morphology resulted in a dramatic decrease of oxygen permeability as compared with the unmodified or MAH modified PP/EVOH blends. These spectacular improvements in barrier properties were obtained without much altering thermal and mechanical properties of the blend. POLYM. ENG. SCI., 47:1114–1121, 2007. © 2007 Society of Plastics Engineers

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