Journal
FIBERS AND POLYMERS
Volume 15, Issue 4, Pages 794-799Publisher
KOREAN FIBER SOC
DOI: 10.1007/s12221-014-0794-7
Keywords
Poly (styrene-acrylonitrile); Thermoplastic polyurethane elastomers; Long glass fiber; Dynamic mechanical propertie; Composites
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Funding
- The national 863 plan [2012AA03A601]
- Industrial revitalization of science Projects
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A series of the long glass fiber reinforced thermoplastic polyurethane elastomers and poly (styrene-acrylonitrile) (LGF/TPU/SAN) composites with different contents of long glass fiber were prepared by using self-designed impregnation device. Dynamic mechanical properties of TPU/SAN matrix reinforced with 10, 20 and 30 % by weight long glass fibers have been investigated by using dynamic mechanical thermal analysis (DMA). The results indicated that the content of long glass fiber and scanning frequency had some influence on dynamic mechanical properties and glass transition of LGF/TPU/SAN composites. In addition, the Arrhenius relationship has been used to calculate the activation energy of a-transition of the LGF/TPU/SAN composites. SEM demonstrates the relatively good dispersion of the long glass fiber in the TPU/SAN matrix. In addition, Effects of the content of long glass fiber on mechanical properties of the LGF/TPU/SAN composites are investigated.
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