How Chain Intermixing Dictates the Polymorphism of PVDF in Poly(vinylidene fluoride)/Polymethylmethacrylate Binary System during Recrystallization: A Comparative Study on Core–Shell Particles and Latex Blend
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Sample Preparation
2.2.1. Preparation of Core–Shell PVDF@PMMA Nanoparticles
2.2.2. Preparation of PMMA Nanoparticles and PVDF/PMMA Blends
2.3. Characterization
3. Results and Discussion
3.1. Morphology and Size Distribution of Core–Shell Latex Particles
3.2. PVDF/PMMA Miscibility in Different Complexation Scenarios
3.3. The Morphology of PVDF Crystal in Different Complexation Scenarios
3.4. Polymorphic PVDF Crystallization Induced in Different Complexation Scenarios
3.5. Structure Evolution in Different Complexation Scenarios
4. Conclusions
Supplementary Materials
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Sample series | PVDF/MMA ratio (wt/wt) | Polymerization temperature (°C) | Reaction time (h) | Composition ratio of PVDF to PMMA (wt/wt) |
---|---|---|---|---|
PVDF@PMMA | 1:4 | 75 | 0.5 | 70/30 |
1:4 | 75 | 1 | 60/40 | |
1:4 | 75 | 2 | 50/50 | |
PVDF@c–PMMA | 1:5 | 65 | 4 | 77/23 |
1:5 | 65 | 5 | 60/40 | |
1:5 | 65 | 6 | 48/52 | |
PVDF/PMMA 1 | 7:3 | 70/30 | ||
6:4 | 60/40 | |||
5:5 | 50/50 |
Sample | Composition ratio (wt/wt) | Area ratio (110/200)β/110α | Amorphous peak position (2θ/°) | Average interchain separation (Å) 1 | Crystallinity 2 (%) |
---|---|---|---|---|---|
PVDF latex | 100/0 | 0 | 19.09 | 5.81 | 38.20 |
PVDF@PMMA | 80/20 | 1.39 | 17.99 | 6.16 | 23.85 |
70/30 | 1.69 | 17.93 | 6.19 | 18.06 | |
60/40 | ---- | 17.56 | 6.32 | 3.57 | |
50/50 | ---- | 16.90 | 6.56 | 0 | |
PVDF/PMMA | 70/30 | 0.17 | 18.99 | 5.84 | 45.00 |
60/40 | 0.34 | 18.67 | 5.94 | 32.42 | |
50/50 | 0.33 | 18.07 | 6.14 | 23.86 | |
PVDF@c–PMMA | 77/23 | 0.16 | 16.4/19.09 | 5.81 | 27.52 |
60/40 3 | 1.16 | 19.09 | ---- | 28.34 | |
48/52 | ---- | 15.2/19.10 | 5.80 | 24.47 |
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Li, Y.; Zhang, G.; Song, S.; Xu, H.; Pan, M.; Zhong, G.-J. How Chain Intermixing Dictates the Polymorphism of PVDF in Poly(vinylidene fluoride)/Polymethylmethacrylate Binary System during Recrystallization: A Comparative Study on Core–Shell Particles and Latex Blend. Polymers 2017, 9, 448. https://doi.org/10.3390/polym9090448
Li Y, Zhang G, Song S, Xu H, Pan M, Zhong G-J. How Chain Intermixing Dictates the Polymorphism of PVDF in Poly(vinylidene fluoride)/Polymethylmethacrylate Binary System during Recrystallization: A Comparative Study on Core–Shell Particles and Latex Blend. Polymers. 2017; 9(9):448. https://doi.org/10.3390/polym9090448
Chicago/Turabian StyleLi, Yue, Guoqiang Zhang, Shaofeng Song, Haijun Xu, Mingwang Pan, and Gan-Ji Zhong. 2017. "How Chain Intermixing Dictates the Polymorphism of PVDF in Poly(vinylidene fluoride)/Polymethylmethacrylate Binary System during Recrystallization: A Comparative Study on Core–Shell Particles and Latex Blend" Polymers 9, no. 9: 448. https://doi.org/10.3390/polym9090448