Revisiting polymer crystallization kinetics: experimental validation of the Mo equation for modified PET systems
This study investigated the non—isothermal crystallization kinetics of pure poly(ethylene terephthalate) (PET) and chain—extended modified PET using DSC at various cooling rates. Through comparing Avrami, Ozawa, and Mo methods, the Mo method was found most effective in describing non—isothermal crys...
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Frontiers Media S.A.
2025-06-01
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| Series: | Frontiers in Materials |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmats.2025.1619133/full |
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| author | Ma Lingcong Mao Fengyu Wu Yajuan Peng Ying Luo Fei Wen Jin |
| author_facet | Ma Lingcong Mao Fengyu Wu Yajuan Peng Ying Luo Fei Wen Jin |
| author_sort | Ma Lingcong |
| collection | DOAJ |
| description | This study investigated the non—isothermal crystallization kinetics of pure poly(ethylene terephthalate) (PET) and chain—extended modified PET using DSC at various cooling rates. Through comparing Avrami, Ozawa, and Mo methods, the Mo method was found most effective in describing non—isothermal crystallization. The kinetic parameter F(T) indicated that pure PET crystallized faster than modified PET due to reduced chain mobility in the latter. A positive correlation between F(T) and relative crystallinity was established, showing higher cooling rates accelerate crystallinity development. The E44—modified PET had minimal impact on crystallization kinetics, making E44 a promising modifier. These findings advance the understanding of PET crystallization, and the Mo method serves as a robust framework for related studies, promoting polymer kinetics and opening new avenues for material innovation. |
| format | Article |
| id | doaj-art-d2947ca95d3c42fb9faf21a20fde7e09 |
| institution | DOAJ |
| issn | 2296-8016 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Materials |
| spelling | doaj-art-d2947ca95d3c42fb9faf21a20fde7e092025-08-20T03:22:04ZengFrontiers Media S.A.Frontiers in Materials2296-80162025-06-011210.3389/fmats.2025.16191331619133Revisiting polymer crystallization kinetics: experimental validation of the Mo equation for modified PET systemsMa Lingcong0Mao Fengyu1Wu Yajuan2Peng Ying3Luo Fei4Wen Jin5Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, Hunan Provincial Modern Industry School of Advanced Ceramics, Hunan University of Humanities Science and Technology, Loudi, ChinaHunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, Hunan Provincial Modern Industry School of Advanced Ceramics, Hunan University of Humanities Science and Technology, Loudi, ChinaDofuoduo New Materials Co., Ltd., Jiaozuo, Henan, ChinaHunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, Hunan Provincial Modern Industry School of Advanced Ceramics, Hunan University of Humanities Science and Technology, Loudi, ChinaHunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, Hunan Provincial Modern Industry School of Advanced Ceramics, Hunan University of Humanities Science and Technology, Loudi, ChinaHunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, Hunan Provincial Modern Industry School of Advanced Ceramics, Hunan University of Humanities Science and Technology, Loudi, ChinaThis study investigated the non—isothermal crystallization kinetics of pure poly(ethylene terephthalate) (PET) and chain—extended modified PET using DSC at various cooling rates. Through comparing Avrami, Ozawa, and Mo methods, the Mo method was found most effective in describing non—isothermal crystallization. The kinetic parameter F(T) indicated that pure PET crystallized faster than modified PET due to reduced chain mobility in the latter. A positive correlation between F(T) and relative crystallinity was established, showing higher cooling rates accelerate crystallinity development. The E44—modified PET had minimal impact on crystallization kinetics, making E44 a promising modifier. These findings advance the understanding of PET crystallization, and the Mo method serves as a robust framework for related studies, promoting polymer kinetics and opening new avenues for material innovation.https://www.frontiersin.org/articles/10.3389/fmats.2025.1619133/fullnon-isothermal crystallization kineticsPETMo methodAvrami equationOzawa equation |
| spellingShingle | Ma Lingcong Mao Fengyu Wu Yajuan Peng Ying Luo Fei Wen Jin Revisiting polymer crystallization kinetics: experimental validation of the Mo equation for modified PET systems Frontiers in Materials non-isothermal crystallization kinetics PET Mo method Avrami equation Ozawa equation |
| title | Revisiting polymer crystallization kinetics: experimental validation of the Mo equation for modified PET systems |
| title_full | Revisiting polymer crystallization kinetics: experimental validation of the Mo equation for modified PET systems |
| title_fullStr | Revisiting polymer crystallization kinetics: experimental validation of the Mo equation for modified PET systems |
| title_full_unstemmed | Revisiting polymer crystallization kinetics: experimental validation of the Mo equation for modified PET systems |
| title_short | Revisiting polymer crystallization kinetics: experimental validation of the Mo equation for modified PET systems |
| title_sort | revisiting polymer crystallization kinetics experimental validation of the mo equation for modified pet systems |
| topic | non-isothermal crystallization kinetics PET Mo method Avrami equation Ozawa equation |
| url | https://www.frontiersin.org/articles/10.3389/fmats.2025.1619133/full |
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