In situ  solvothermal synthesis and characterization of transparent epoxy/TiO 2  nanocomposites | Zendy

Zhang Haiying | Zendy; Qi Rongrong | Zendy; Tong Mingkang | Zendy; Su Yaozhen | Zendy; Huang Mark | Zendy

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In situ solvothermal synthesis and characterization of transparent epoxy/TiO 2 nanocomposites

Author(s) -

Zhang Haiying,

Qi Rongrong,

Tong Mingkang,

Su Yaozhen,

Huang Mark

Publication year - 2012

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.34699

Subject(s) - materials science , nanocomposite , epoxy , fourier transform infrared spectroscopy , scanning electron microscope , contact angle , titanate , nanoparticle , glass transition , composite material , chemical engineering , solvothermal synthesis , nanotechnology , polymer , ceramic , engineering

A solvothermal process was developed to in situ prepare epoxy (EP)/TiO 2 hybrid precursors. The chemical structure of samples was confirmed by X‐ray and Fourier transformed infrared spectroscopy. Field emission scanning electron microscope micrographs of cured EP/TiO 2 hybrid composites showed that well‐dispersed TiO 2 nanoparticles were successfully in situ formed in epoxy matrix through the solvothermal process. The thermogravimetic analysis, DSC, and gel content measurements showed that EP/TiO 2 hybrid precursors were fully cured with the glass transition temperature decreasing gradually. The effect of TiO 2 contents on optical and surface properties was investigated in detail. The results indicated that epoxy/TiO 2 nanocomposites exhibited excellent UV shielding effect and high visible light transparency. The contact angle of EP/TiO 2 nanocomposites, when the content of silane‐coupling agent (KH560) was 5 g and the content of tetrabutyl titanate (TBT) was 3 g, can reach as high as 101°, which was 36° higher than that of pure EP, representing for the increase of hydrophobicity. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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