The crystal growth in homopolymer polyvinylidene flouride (PVDF) and copolymer polyvinylidene flouride-triflouroethylene (PVDF-TrFE) / Dzuraiezhar Ismail
Homopolymer PVDF (Polyvinylidene fluoride) and copolymer PVDF-TrFE (Polyvinylidene fluoride -Triflouroethylene) - exhibited ferroelectric properties due to the special arrangement of chain unit in crystalline phase. The samples were PVDF and different mol percentage of copolymer PVDF-TrFE (72-28), (...
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| 格式: | Thesis |
| 语言: | English |
| 出版: |
2008
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| 主题: | |
| 在线阅读: | https://ir.uitm.edu.my/id/eprint/13742/1/TD_DZURAIEZHAR%20BIN%20ISMAIL%20AS%2008_5%201.pdf |
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| 总结: | Homopolymer PVDF (Polyvinylidene fluoride) and copolymer PVDF-TrFE (Polyvinylidene fluoride -Triflouroethylene) - exhibited ferroelectric properties due to the special arrangement of chain unit in crystalline phase. The samples were PVDF and different mol percentage of copolymer PVDF-TrFE (72-28), (65-35) and (51-49) dissolved in Dimethylformamide (DMF), Dimethyl sulfoxide (DMSO) and Tetrahydrofuran (THF) solvents. This work emphasize on crystal growth of PVDF and PVDF-TrFE. The crystalline structures were analyzed using Differential scanning calorimetry (DSC) and polarized light microscopy (PLOM). Samples were annealed to enhance crystal growth and observed using PLOM. |
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