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Poly(vinyl chloride‐ co ‐vinyl acetate‐ co ‐maleic anhydride)/silica nanocomposites derived from in situ suspension polymerization
Author(s) -
Miao Hui,
Lin Shaoliang,
Lin Jiaping
Publication year - 2011
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.34864
Subject(s) - materials science , fumed silica , vinyl chloride , maleic anhydride , nanocomposite , vinyl acetate , copolymer , thermal stability , polymer chemistry , monomer , glass transition , polymer , chemical engineering , hydrophobic silica , composite material , engineering
Abstract Poly(vinyl chloride‐ co ‐vinyl acetate‐ co ‐maleic anhydride) (PVVM)/silica nanocomposites were prepared by the suspension radical copolymerization of the monomers in the presence of fumed silica premodified with γ‐methylacryloxypropl trimethoxy siliane. Morphological observation showed that the silica particles of nanometer scale were well dispersed in the copolymer matrix of the nanocomposites films, whereas silica particles tended to agglomerate in the composites films prepared by the solution blending of PVVM with silica. The experimental results show that the thermal stability, glass‐transition temperature, tensile strength, and Young's modulus were significantly enhanced by the incorporation of silica nanoparticles. The enhancement of properties was related to the better dispersion of silica particles in polymer matrix and the interaction between the polymer chains and the surfaces of the silica particles. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012