Effects of Solid-State Stretching on Microstructure Evolution and Physical Properties of Isotactic Polypropylene Sheets
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials and Sample Preparation
2.2. Characterizations
3. Results and Discussion
3.1. X-ray Diffraction (XRD)
3.2. Differential Scanning Calorimetry (DSC)
3.3. 2D-Wide-Angle X-Ray Scattering (WAXS)/Small-Angle X-Ray Scattering (SAXS)
3.4. Scanning Electron Microscopy (SEM)
3.5. Cylindrite Structure Transformation Mechanism
3.6. Mechanical and Thermal Properties
4. Conclusions
Author Contributions
Acknowledgments
Conflicts of Interest
References
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ε a (%) | T b (°C) | V c (mm·min−1) | Kβd ± SD (%) |
---|---|---|---|
0 | 110 | 3 | 0.001 ± 0.001 |
5 | 110 | 3 | 0.143 ± 0.002 |
10 | 110 | 3 | 0.354 ± 0.001 |
15 | 110 | 3 | 0.964 ± 0.003 |
17 | 110 | 3 | 0.192 ± 0.002 |
20 | 110 | 3 | 0.081 ± 0.001 |
V a (mm·min−1) | T b (°C) | ε c (%) | Kβd ± SD (%) |
---|---|---|---|
1 | 110 | 15 | 0.002 ± 0.001 |
3 | 110 | 15 | 0.964 ± 0.003 |
5 | 110 | 15 | 0.052 ± 0.002 |
7 | 110 | 15 | 0.063 ± 0.001 |
10 | 110 | 15 | 0.091 ± 0.002 |
T a (°C) | ε b (%) | V c (mm·min−1) | Kβd ± SD (%) |
---|---|---|---|
100 | 15 | 3 | 0.002 ± 0.001 |
110 | 15 | 3 | 0.964 ± 0.003 |
120 | 15 | 3 | 0.001 ± 0.001 |
130 | 15 | 3 | 0.002 ± 0.001 |
140 | 15 | 3 | 0.002 ± 0.001 |
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Ji, H.; Zhou, X.; Chen, X.; Zhao, H.; Wang, Y.; Zhu, H.; Shan, X.; Sha, J.; Ma, Y.; Xie, L. Effects of Solid-State Stretching on Microstructure Evolution and Physical Properties of Isotactic Polypropylene Sheets. Polymers 2019, 11, 618. https://doi.org/10.3390/polym11040618
Ji H, Zhou X, Chen X, Zhao H, Wang Y, Zhu H, Shan X, Sha J, Ma Y, Xie L. Effects of Solid-State Stretching on Microstructure Evolution and Physical Properties of Isotactic Polypropylene Sheets. Polymers. 2019; 11(4):618. https://doi.org/10.3390/polym11040618
Chicago/Turabian StyleJi, Huajian, Xulin Zhou, Xin Chen, Haili Zhao, Yu Wang, Huihao Zhu, Xiliang Shan, Jin Sha, Yulu Ma, and Linsheng Xie. 2019. "Effects of Solid-State Stretching on Microstructure Evolution and Physical Properties of Isotactic Polypropylene Sheets" Polymers 11, no. 4: 618. https://doi.org/10.3390/polym11040618