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Influence of polluted atmospheres on the natural aging of poly(vinyl chloride) stabilized with epoxidized sunflower oil
Author(s) -
Gallouze Nadia,
BelhanecheBensemra Naima
Publication year - 2008
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.27731
Subject(s) - vinyl chloride , shore durometer , sunflower oil , fourier transform infrared spectroscopy , materials science , calcium stearate , polymer , ultimate tensile strength , polyvinyl chloride , sunflower , polymer chemistry , chemical engineering , chemistry , composite material , organic chemistry , copolymer , raw material , biochemistry , engineering , mathematics , combinatorics
Semirigid and plasticized poly(vinyl chloride) (PVC) samples, stabilized with epoxidized sunflower oil (ESO), Zn, and Ca stearates, were exposed in Algiers (hot, Mediterranean climate) for 12 months in three sites where the concentrations of atmospheric pollutants (NO x , O 3 , hydrocarbons) are known. The evolution of the mechanical properties (tensile test and shore D hardness) was followed according to the aging time. The modification structure of polymer was investigated by Fourier transform infrared spectroscopy. The results have shown that all the considered properties were affected. Furthermore, it seems that the O 3 exerted the most deleterious effect, followed by hydrocarbons and then by NO x . © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008