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Preparation and thermal properties of silica‐graft acrylonitrile‐butadiene‐styrene nanocomposites
Author(s) -
Zheng Kang,
Chen Lin,
Li Yong,
Cui Ping
Publication year - 2004
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.20100
Subject(s) - materials science , differential scanning calorimetry , copolymer , maleic anhydride , silane , acrylonitrile , grafting , thermal stability , glass transition , styrene , nanocomposite , tetrahydrofuran , polymer chemistry , acrylonitrile butadiene styrene , chemical engineering , composite material , polymer , solvent , organic chemistry , chemistry , physics , engineering , thermodynamics
The synthesis of silica‐graft acrylonitrile‐butadiene‐styrene (ABS) nanocomposites and their thermal properties are studied. The silica nanopowders are treated with silane to introduce reactive groups onto the silica surfaces. The dispersion of modified silica nanoparticles in tetrahydrofuran (THF) is significantly improved. The silica‐graft ABS composites were prepared by an open ring reaction and radical grafting copolymerization of modified silica, styrene, and maleic anhydride (MAH) in ABS/THF solution. Differential scanning calorimetry (DSC) results show that the glass transition temperature ( T g ) of ABS‐graft‐SiO 2 shifts obviously to high temperatures with increasing silica content. The TGA results indicate that the thermal stability is also improved with the increase of grafted silica. Polym. Eng. Sci. 44:1077–1082, 2004. © 2004 Society of Plastics Engineers.