Deformation characteristics of nano-SiO2 filled polypropylene composites
Surfaces of nano-silica particles can be effectively modified by means of irradiation graft polymerization. When polypropylene (PP) was compounded with these treated nanoparticles, an overall improvement in the mechanical properties of the composites at rather low filler content was acquired. The pr...
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| Veröffentlicht in: | Polymers & polymer composites 2003, Vol.11 (7), p.559-562 |
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| container_title | Polymers & polymer composites |
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| creator | CHUN LEI WU MING QIU ZHANG MIN ZHI RONG LEHMANN, Björn FRIEDRICH, Klaus |
| description | Surfaces of nano-silica particles can be effectively modified by means of irradiation graft polymerization. When polypropylene (PP) was compounded with these treated nanoparticles, an overall improvement in the mechanical properties of the composites at rather low filler content was acquired. The present work observed the deformation characteristics of the PP nanocomposites using transmission electron microscope. Due to the interfacial entanglement between the grafting polymers attached to the nanoparticles and the matrix polymer, the grafted nano-SiO2 exhibits much greater extensibility in the composites than the nanoparticles as-received. It is believed to be the main cause of extensive plastic drawing of the matrix polymer surrounding the treated nanoparticles, and it provides the composites with higher static ductility. |
| doi_str_mv | 10.1177/096739110301100705 |
| format | Article |
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| subjects | Applied sciences Composites Exact sciences and technology Forms of application and semi-finished materials Polymer industry, paints, wood Technology of polymers |
| title | Deformation characteristics of nano-SiO2 filled polypropylene composites |
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