Investigating the Absorption and Desorption Behavior of Methylene Chloride in the Poly(aryl ether ketone) Film with Different Crystallinities
RESEARCH ARTICLE|Updated:2024-01-12
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Investigating the Absorption and Desorption Behavior of Methylene Chloride in the Poly(aryl ether ketone) Film with Different Crystallinities
Chinese Journal of Polymer ScienceVol. 42, Issue 2, Pages: 239-246(2024)
Affiliations:
Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
Yang, H. R.; Zhang, J. D.; Gao, D. T.; Liu, G.; Chen, C. H.; Yao, J. N. Investigating the absorption and desorption behavior of methylene chloride in the poly(aryl ether ketone) film with different crystallinities. Chinese J. Polym. Sci. 2024, 42, 239–246
Hong-Ru Yang, Jin-Dong Zhang, Dong-Ting Gao, et al. Investigating the Absorption and Desorption Behavior of Methylene Chloride in the Poly(aryl ether ketone) Film with Different Crystallinities. [J]. Chinese Journal of Polymer Science 42(2):239-246(2024)
Yang, H. R.; Zhang, J. D.; Gao, D. T.; Liu, G.; Chen, C. H.; Yao, J. N. Investigating the absorption and desorption behavior of methylene chloride in the poly(aryl ether ketone) film with different crystallinities. Chinese J. Polym. Sci. 2024, 42, 239–246 DOI: 10.1007/s10118-023-3046-8.
Hong-Ru Yang, Jin-Dong Zhang, Dong-Ting Gao, et al. Investigating the Absorption and Desorption Behavior of Methylene Chloride in the Poly(aryl ether ketone) Film with Different Crystallinities. [J]. Chinese Journal of Polymer Science 42(2):239-246(2024) DOI: 10.1007/s10118-023-3046-8.
Investigating the Absorption and Desorption Behavior of Methylene Chloride in the Poly(aryl ether ketone) Film with Different Crystallinities
The attenuated total reflection Fourier transform infrared spectroscopy analyses was employed to investigate the diffusion behavior of CH,2,Cl,2, in PAEK films with different crystallinities. According to the Fickian diffusion model, the diffusion coefficients of CH,2,Cl,2, in PAEK films were calculated.
Abstract
Poly(aryl ether ketone) (PAEK) films with different crystallinities were obtained by controlling the cooling rate, which were subjected to the absorption and desorption of methylene chloride (CH,2,Cl,2,). We employed attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy analyses to investigate the diffusion behavior of CH,2,Cl,2, in PAEK films with different crystallinities. According to the Fickian diffusion model, the calculated diffusion coefficients of CH,2,Cl,2, in PAEK films were observed to decrease with increasing crystallinity. The effect of CH,2,Cl,2, absorption and desorption on the mechanical properties of PAEK films with different crystallinity was further analyzed using tensile tests. The tensile tests exhibited that CH,2,Cl,2, has two concurrent effects: plasticization and solvent-induced crystallization. Differential scanning calorimetry (DSC) and wide-angle X-ray diffraction (WXRD) techniques further confirmed solvent-induced crystallization behavior. The results would be beneficial to understand the solvent resistance of PAEK materials and consequently provide the practical application conditions of PAEK with a theoretical basis.
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