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On thermal decomposition kinetics of poly(ethylene-alt- tetrafluoroethylene) using an autocatalytic model. J Fluor Chem 2020. [DOI: 10.1016/j.jfluchem.2020.109656] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Qian J, Fu C, Wu X, Ran X, Nie W. Promotion of poly(vinylidene fluoride) on thermal stability and rheological property of ethylene-tetrafluoroethylene copolymer. E-POLYMERS 2018. [DOI: 10.1515/epoly-2018-0057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractIn this work, the thermal stability, rheological properties and mechanical properties of ethylene-tetrafluoroethylene copolymer (ETFE)/poly(vinylidene fluoride) (PVDF) blends were investigated by thermogravimetric analysis, rheometer and the tensile test. Thermal results indicated that blends had better thermal oxidation resistance than pure ETFE. Particularly, the initial thermal decomposition temperature (Td0) and the temperature at maximum decomposition rate (Tdmax) of PVDF/ETFE (10/90 wt%) blends were at 374.49°C and 480°C, which were 52.6°C and 34°C higher than pure ETFE. The activation energy of thermal degradation (Ed) of ETFE was 66 kJ/mol, while the PVDF/ETFE (10/90 wt%) blends presented a higher Ed, near 187 kJ/mol. Furthermore, rheological measurements demonstrated that the shear-thinning tendency of blends became stronger with increasing PVDF content. PVDF/ETFE (10/90 wt%) blends had somewhat lower mechanical properties than ETFE, which was still high enough for various applications. Blends with PVDF provided an efficient method to extend the application area of ETFE.
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Affiliation(s)
- Jing Qian
- Lab of Polymer Composites Engineering, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- University of Science and Technology of China, Hefei, 230026, P.R. China
| | - Chao Fu
- Lab of Polymer Composites Engineering, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
| | - Xianyou Wu
- Lab of Polymer Composites Engineering, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- University of Science and Technology of China, Hefei, 230026, P.R. China
| | - Xianghai Ran
- Lab of Polymer Composites Engineering, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- University of Science and Technology of China, Hefei, 230026, P.R. China, Phone: +86 431 85262677, Fax: +86 431 85262424
| | - Wei Nie
- Lab of Polymer Composites Engineering, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- University of Science and Technology of China, Hefei, 230026, P.R. China, Phone: +86 431 85262232, Fax: +86 431 85262778
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Ding G, Wang K, Li X, Chen Q, Hu Z, Liu J. The Fabrication of Nanoimprinted P3HT Nanograting by Patterned ETFE Mold at Room Temperature and Its Application for Solar Cell. NANOSCALE RESEARCH LETTERS 2016; 11:258. [PMID: 27206643 PMCID: PMC4875018 DOI: 10.1186/s11671-016-1481-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 05/13/2016] [Indexed: 06/05/2023]
Abstract
Nanoimprinting lithography (NIL) is investigated as a promising method to define nanostructure; however, finding a practical method to achieve large area patterning of conjugated polymer remains a challenge. We demonstrate here that a simple and cost-effective technique is proposed to fabricate the nanoimprinted P3HT nanograting by solvent-assisted room temperature NIL (SART-NIL) method with patterned ETFE film as mold. The patterned ETFE template is produced by embossing ETFE film into a patterned silicon master and is used as template to transfer nanogratings during the SART-NIL process. It indicates that highly reproducible and well-controlled P3HT nanograting film is obtained successfully with feature size of nanogratings ranging from 130 to 700 nm, due to the flexibility, stiffness, and low surface energy of ETFE mold. Moreover, the SART-NIL method using ETFE mold is able to fabricate nanogratings but not to induce the change of molecular orientation within conjugated polymer. The conducting ability of P3HT nanograting in the vertical direction is also not damaged after patterning. Finally, we further apply P3HT nanograting for the fabrication of active layer of OBHJ solar cell device, to investigate the morphology role presented by ETFE mold in device performance. The device performance of OBHJ solar cell is preferential to that of PBHJ device obviously.
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Affiliation(s)
- Guangzhu Ding
- College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, China.
- Collaborative Innovation Center of Advanced Functional Composites of Anhui Province, Huaibei, 235000, China.
| | - Kaixuan Wang
- College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, China
- Collaborative Innovation Center of Advanced Functional Composites of Anhui Province, Huaibei, 235000, China
| | - Xiaohui Li
- Center for Soft Condensed Matter Physics and Interdisciplinary Research, Soochow University, Suzhou, 215123, China
| | - Qing Chen
- College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, China
- Collaborative Innovation Center of Advanced Functional Composites of Anhui Province, Huaibei, 235000, China
| | - Zhijun Hu
- Center for Soft Condensed Matter Physics and Interdisciplinary Research, Soochow University, Suzhou, 215123, China
| | - Jieping Liu
- College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, China.
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Kotera S, Yamaguchi M. Rheological characterization on thermal degradation of ethylene-tetrafluoroethylene copolymer. J Fluor Chem 2014. [DOI: 10.1016/j.jfluchem.2014.07.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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