Rheological and spinning properties of polystyrene/nano aluminum composites

Chen Wenjiao; Xie Rui; Luo Wenli; Liu Cailin; Peng Bihui; Yang Haijun; Ren Xianyan

doi:10.11884/HPLPB201830.170352

Volume 30 Issue 4

Apr. 2018

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Li Haibo, Shen Li, Zhai Jun, et al. Nanosecond grade edge chopper power supply system of high current proton accelerator[J]. High Power Laser and Particle Beams, 2017, 29: 085001. doi: 10.11884/HPLPB201729.170086

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Chen Wenjiao, Xie Rui, Luo Wenli, et al. Rheological and spinning properties of polystyrene/nano aluminum composites[J]. High Power Laser and Particle Beams, 2018, 30: 042002. doi: 10.11884/HPLPB201830.170352

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Rheological and spinning properties of polystyrene/nano aluminum composites

doi: 10.11884/HPLPB201830.170352

College of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China

Received Date: 2017-09-05
Rev Recd Date: 2017-12-04
Publish Date: 2018-04-15

Abstract

Abstract

PS/AlNPs composite fibers were prepared by adding AlNPs into PS to finish the simulation study of conductive matrix materials for Z-pinch: deuterated polystyrene/nano-aluminum (DPS/AlNPs). The effects of temperature and shear rate on the rheological properties, the relationship between the structural changes, the flow condition of composites melt and the properties of PS/AlNPs, as well as the morphology, thermal stability and mechanical properties of PS/AlNPs fiber were investigated. The results show that the PS/AlNPs melt is a typical shear thinning non-Newtonian fluid, and the apparent viscosity of the melt is negatively correlated with the temperature. The composite possesses non-Newtonian index of between 0.462 and 0.546 at 240-260 ℃, the coefficient of viscosity of about 1.8 to 2.1, and the activation energy of viscous flow sitting between 77.2 and 104.6 kJ mol^-1, showing its good spinnability. The PS shows its ability to coat AlNPs very well and prohibits the AlNPs being oxided, giving birth to a PS/AlNPs fiber possessing smooth surface. The fiber has the biggest elongation at break and the highest breaking strength when the content of AlNPs is 1% and 5%, respectively.
- nano aluminum,
- polystyrene,
- rheological properties,
- spinning performance,
- composite fiber

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References

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