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LIU Yimin, HOU Xingshuang, SONG Na. Structure and properties of nano-TiO2/PC-PP light diffusion composites[J]. Acta Materiae Compositae Sinica, 2016, 33(11): 2405-2411. DOI: 10.13801/j.cnki.fhclxb.20151209.003
Citation: LIU Yimin, HOU Xingshuang, SONG Na. Structure and properties of nano-TiO2/PC-PP light diffusion composites[J]. Acta Materiae Compositae Sinica, 2016, 33(11): 2405-2411. DOI: 10.13801/j.cnki.fhclxb.20151209.003
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Structure and properties of nano-TiO2/PC-PP light diffusion composites

  • Research Center of Nanoscience and Nanotechnology, Shanghai University, Shanghai 200444, China

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  • Received Date: October 11, 2015
  • Revised Date: November 22, 2015
    Abstract
  • Nano-TiO2/polycarbonate-polypropylene (TiO2/PC-PP) light diffusion composites were prepared by melt mixing method. The microscopic structure and isothermal crystallization behaviors of nano-TiO2/PC-PP light diffusion composites were investigated by SEM and DSC, respectively, and the thermal stability and optical property of the composites were investigated. The results show that the average size of the dispersed phase in the optical diffusion system becomes smaller with the addition of nano-TiO2 and the morphology is more uniform. The half crystallization time of the composites is prolonged, and the overall crystallization rate becomes slower with the increase of mass fraction for nano-TiO2 in the composites. The addition of nano-TiO2 makes the initial thermal degradation temperatures and the final residual weights of the composites increase. When the mass fraction of nano-TiO2 in PP is 5%, the transmittance of the composites is 80% and the haze is 88%, which is the preferably light diffusion performance of the nano-TiO2/PC-PP light diffusion composites.
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