Nano Science and Technology Institute
Nanotech 2008 Vol. 2
Nanotech 2008 Vol. 2
Nanotechnology 2008: Life Sciences, Medicine & Bio Materials - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 2
 
Chapter 8: Soft Nanotechnology & Polymers
 

High-density polyethylene reinforced with titania nanoparticles

Authors:F. Bondioli, A. Dorigato, P. Fabbri, A.M. Ferrari, M. Messori, A. Pegoretti
Affilation:Università di Modena e Reggio Emilia, IT
Pages:719 - 722
Keywords:nanocomposite, HDPE, titania
Abstract:Titania nanoparticles were prepared by both hydrolysis of tetraethoxy titanium, in order to obtain a spherical shape, and by hydrothermal crystallisation. Nanoparticles were also surface modified with alkylsilanes in order to improve the compatibility with organic polymers. The obtained powders were fully characterized in order to define their physical and chemical properties. HDPE/TiO2 composites were prepared by melt mixing and were mechanically characterized. The presence of titania nanoparticles (in a concentration range of 1-5%vol) led to a significant increase of elastic modulus together with a slight increase of yield stress and a decrease of ultimate elongation. An interesting decrease of creep compliance for both elastic and viscoelastic components was also evidenced. Finally, HDPE-based composites containing commercial titania having dimension in the micrometer scale were prepared and characterized for comparison.
High-density polyethylene reinforced with titania nanoparticlesView PDF of paper
ISBN:978-1-4200-8504-4
Pages:808
Hardcopy:$159.95
 
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