Permselective Composite Membrane for the Self-degradation of Toxic Chemicals

YIN Ni; YUAN Zupei; TANG Junxiong; HU Haoxuan; TANG Guoqing; CHEN Boxu; LIAO Jingwen; ZHANG Ling; LIN Zhenqiang; HOU Xin; ZHONG Jinyi

doi:10.19554/j.cnki.1001-3563.2025.11.035

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Packaging Engineering ›› 2025, Vol. 46 ›› Issue (11) : 322-329. DOI: 10.19554/j.cnki.1001-3563.2025.11.035

Equipment Protection

Permselective Composite Membrane for the Self-degradation of Toxic Chemicals

YIN Ni, YUAN Zupei, TANG Junxiong, HU Haoxuan, TANG Guoqing, CHEN Boxu, LIAO Jingwen, ZHANG Ling, LIN Zhenqiang, HOU Xin, ZHONG Jinyi

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Abstract

The work aims to fabricate a polymer membrane that provides protective performance and moisture permeability and facilitates the self-degradation of toxic chemicals at the same time. PH-SSS was prepared by sodium styrene sulfonate (SSS) grafting with PVDF-co-HFP (PH). The effect of different SSS contents on the protective performance and the moisture permeability was investigated. The optimal quality ratio (PH:SSS=5:3) was adjusted to harmonize the protective performance with the moisture permeability. In order to address subsequent cleanup and environmental pollution issues, MOF-808 was added to PH-SSS to achieve self-degradation function (2-CEES was not detected, DMMP degradation rate was 98.2 %), while the duration of protective performance was more than 8 h, and the moisture permeability was 4 000 g/(m²·24 h). A polymer membrane with balanced protective performance and moisture permeability is developed by precisely regulating the degree of SSS. Additionally, by incorporating MOF-808, the permselective polymer membrane (PH-SSS-MOF) is successfully fabricated, which integrates three key functions of protective performance, moisture permeability, and self-degradation of toxic chemicals.

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protective performance / moisture permeability / permselective / self-degradation of toxic chemicals

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YIN Ni, YUAN Zupei, TANG Junxiong, HU Haoxuan, TANG Guoqing, CHEN Boxu, LIAO Jingwen, ZHANG Ling, LIN Zhenqiang, HOU Xin, ZHONG Jinyi. Permselective Composite Membrane for the Self-degradation of Toxic Chemicals[J]. Packaging Engineering. 2025, 46(11): 322-329 https://doi.org/10.19554/j.cnki.1001-3563.2025.11.035

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