Polyethylenimine Assisted Bio-Inspired Surface Functionalization of Hexagonal Boron Nitride for Enhancing the Crystallization and the Properties of Poly(Arylene Ether Nitrile)
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Synthesis of PEN
2.3. PEI Assisted Bio-Inspired Surface Functionalization of h-BN
2.4. Preparation of h-BN@(PDA+PEI)/PEN Nanocomposite Films
2.5. Characterization
3. Results and Discussion
3.1. Structure and Morphology of Pure h-BN and h-BN@(PDA+PEI)
3.2. The Effect of h-BN@(PDA+PEI) on the Non-Isothermal Crystallization of PEN
3.3. The Effect of h-BN@(PDA+PEI) on the Crystal Structure and Spherulite Morphology of PEN
3.4. Mechanical and Dielectric Properties of h-BN@(PDA+PEI)/PEN Nanocomposite Films
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Samples | β | n | InKt | InKc | Kc | Tp (°C) | Eα (KJ/mol) |
---|---|---|---|---|---|---|---|
0 wt% | 5 | 2.23 | −3.140 | −0.628 | 0.534 | 269.4 | 359.66 |
10 | 2.18 | −2.346 | −0.235 | 0.791 | 273.5 | ||
15 | 2.29 | −2.295 | −0.153 | 0.858 | 275.7 | ||
20 | 2.22 | −1.560 | −0.078 | 0.925 | 278.9 | ||
0.5 wt% | 5 | 2.38 | −2.582 | −0.516 | 0.597 | 263.5 | 340.81 |
10 | 2.27 | −1.155 | −0.116 | 0.890 | 268.3 | ||
15 | 2.42 | −0.616 | −0.0410 | 0.960 | 270.9 | ||
20 | 2.23 | 0.015 | 0.001 | 1.000 | 273.3 | ||
1 wt% | 5 | 2.61 | −2.008 | −0.402 | 0.669 | 259.8 | 333.93 |
10 | 2.57 | −1.156 | −0.116 | 0.891 | 265.0 | ||
15 | 2.56 | −0.183 | −0.012 | 0.988 | 268.1 | ||
20 | 2.25 | 1.499 | 0.075 | 1.078 | 269.2 | ||
2 wt% | 5 | 3.31 | −1.363 | −0.273 | 0.761 | 258.5 | 292.84 |
10 | 3.15 | −0.518 | −0.052 | 0.949 | 262.9 | ||
15 | 2.62 | 1.019 | 0.068 | 1.070 | 264.3 | ||
20 | 2.48 | 2.073 | 0.124 | 1.132 | 266.2 | ||
3 wt% | 5 | 2.15 | −1.829 | −0.366 | 0.694 | 263.1 | 355.98 |
10 | 2.34 | −0.917 | −0.092 | 0.912 | 268.6 | ||
15 | 2.21 | −0.136 | −0.009 | 0.990 | 270.5 | ||
20 | 2.06 | 0.336 | 0.017 | 1.017 | 272.3 |
Sample | Neat | 0.5 wt% | 1 wt% | 2 wt% | 3 wt% |
---|---|---|---|---|---|
Crystallinity (%) | 6.56 | 8.22 | 11.32 | 14.90 | 7.14 |
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Wang, Y.; Tong, L.; You, Y.; Tu, L.; Zhou, M.; Liu, X. Polyethylenimine Assisted Bio-Inspired Surface Functionalization of Hexagonal Boron Nitride for Enhancing the Crystallization and the Properties of Poly(Arylene Ether Nitrile). Nanomaterials 2019, 9, 760. https://doi.org/10.3390/nano9050760
Wang Y, Tong L, You Y, Tu L, Zhou M, Liu X. Polyethylenimine Assisted Bio-Inspired Surface Functionalization of Hexagonal Boron Nitride for Enhancing the Crystallization and the Properties of Poly(Arylene Ether Nitrile). Nanomaterials. 2019; 9(5):760. https://doi.org/10.3390/nano9050760
Chicago/Turabian StyleWang, Yajie, Lifen Tong, Yong You, Ling Tu, Meirong Zhou, and Xiaobo Liu. 2019. "Polyethylenimine Assisted Bio-Inspired Surface Functionalization of Hexagonal Boron Nitride for Enhancing the Crystallization and the Properties of Poly(Arylene Ether Nitrile)" Nanomaterials 9, no. 5: 760. https://doi.org/10.3390/nano9050760