On the role of multi-functional polyhedral oligomeric silsesquioxane in polystyrene-zinc oxide nanocomposites
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Elisabetta Morici
Abstract
Multi-functional trisilanol phenyl (TSPH) and trisilanol isobutyl (TSIB) polyhedral oligomeric silsesquioxane (POSS) have been used in the formulation of advanced polystyrene (PS)-zinc oxide (ZnO) nanocomposites. The neat matrix and PS/ZnO-based nanocomposites have been characterized through rheological, morphological, mechanical, and dynamic thermo-mechanical analysis. Both TSPH and TSIB are able to improve the dispersion of ZnO into the polystyrene matrix; furthermore, adding TSIB leads to better results because it facilitates better solubility into the PS matrix and interaction/reaction with the ZnO nanopowder. Finally, the optical properties and photo-oxidative resistance of the nanocomposite films have been evaluated. The POSS molecules synergistically interact with ZnO nanopowder in the protection of PS matrix against photo-oxidative process. The nanocomposite films containing both ZnO and POSS molecules, particularly TSIB, exhibit better UV-shielding properties than the PS/ZnO one, without loss of optical transparency.
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©2015 by De Gruyter
Articles in the same Issue
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- On the role of multi-functional polyhedral oligomeric silsesquioxane in polystyrene-zinc oxide nanocomposites
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Articles in the same Issue
- Frontmatter
- Original articles
- Synthesis and characterization of silver cluster particles in hydrogels
- Alginate liquid core capsule formation using the simple extrusion dripping method
- Flexible polyvinyl alcohol/2-hydroxypropanoic acid films: effect of residual acetyl moieties on mechanical, thermal and antibacterial properties
- On the role of multi-functional polyhedral oligomeric silsesquioxane in polystyrene-zinc oxide nanocomposites
- Influence of the physicochemical environment on membrane-protein binding: investigation using a fabricated PVDF membrane
- Effect of liquid butadiene rubber on mechanical properties of polyamide 11/polyamide 12 blends
- Modification on chemical and optical properties of PADC polymer by ArF laser (193 nm) irradiation
- Thermal, mechanical and tribological properties of polyamide 6 matrix composites containing different carbon nanofillers
- Mechanical properties of PVDF-coated fabric under tensile tests
- Implementations of the Taguchi design for the erosive wear of Luffa cylindrica fiber-reinforced epoxy hybrid composite
- Development of a green material for horticulture
