期刊
ACS APPLIED MATERIALS & INTERFACES
卷 5, 期 19, 页码 9691-9700出版社
AMER CHEMICAL SOC
DOI: 10.1021/am402750t
关键词
hierarchical composites; polypropylene; inorganic fullerene-like nanoparticles; thermal properties; mechanical performance
资金
- Ministerio de Ciencia e Innovacion (MICINN) [MAT2010-21070-C02-01]
- Ministerio de Economia y Competitividad (MINECO)
- CSIC
Novel isotactic polypropylene (iPP)/glass fiber (GF) laminates reinforced with inorganic fullerene-like tungsten disulfide (IF-WS2) nanoparticles as environmentally friendly fillers have been successfully fabricated by simple melt-blending and fiber impregnation in a hot-press without the addition of any compatibilizer. The influence of IF-WS2 concentration on the morphology, viscosity, and thermal and mechanical behavior of the hierarchical composites has been investigated. Results revealed an unprecedented 62 degrees C increase in the degradation temperature of iPP/GF upon addition of only 4.0 wt % IF-WS2. The coexistence of both micro- and nanoscale fillers resulted in synergistic effects on enhancing the stiffness, strength, crystallinity, thermal stability, glass transition (T-g) and heat distortion temperature (HDT) of the matrix. The approach used in this work is an efficient, versatile, scalable and economic strategy to improve the mechanical and thermal behavior of GF-reinforced thermoplastics with a view to extend their use in advanced technological applications. This new type of composite materials shows great potential to improve the efficiency and sustainability of many forms of transport.
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