水性聚氨酯与氨基接枝二氧化硅的无有机溶剂原位聚合，用于二氧化碳分离

IF 1.8 4区物理与天体物理 Q3 PHYSICS, APPLIED

Modern Physics Letters B Pub Date : 2024-04-09 DOI:10.1142/s0217984924410033

Kai-Yen Chin, Angus Shiue, Li-Chun Wu, Shu-Mei Chang

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引用次数: 0

摘要

将共价氨基接枝纳米二氧化硅（Amino-NP）加入环保型无有机溶剂水性聚氨酯（OSF-WPU）基质中，制成新型混合基质膜（MMMs），用于分离 CO2/N2。这项研究的重点是 MMM 的气体渗透性和分离性能。在 1.0 巴和 25∘C 条件下，湿混合气体状态下的 CO2/N2 分离系数达到 8.21±0.47，CO2 渗透率为 16.72±1.02 GPU。即使加入极少量的 Amino-NP 也能有效提高二氧化碳渗透率和 CO2/N2 选择性。OSF-WPU/Amino-NP MMMs 表现出卓越的性能，强调了它们在实际二氧化碳分离应用中长期稳定运行的潜力。

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Organic solvent-free in-situ polymerization of waterborne polyurethane with amino-grafted silica for carbon dioxide separation

The novel mixed-matrix membrane (MMMs) by incorporating covalently amino groups grafted nano-silica (Amino-NP) into an eco-friendly, organic solvent-free waterborne polyurethane (OSF-WPU) matrix for the separation application of CO₂/N₂. This investigation focused on the gas permeance and separation performance of the MMMs. The optimized CO₂/N₂ separation factor reached $8.21 \pm 0.47$ , with a CO₂ permeance of $16.72 \pm 1.02$ GPU under conditions of 1.0 bar and 25^∘C in a wet mixed-gas state. Incorporating even a tiny amount of Amino-NP efficiently enhanced CO₂ permeability and CO₂/N₂ selectivity. OSF-WPU/Amino-NP MMMs demonstrated superior performance, emphasize their potential for stable long-term operation in practical CO₂ separation applications.

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来源期刊

Modern Physics Letters B 物理-物理：凝聚态物理

CiteScore

3.70

自引率

10.50%

发文量

235

审稿时长

5.9 months

期刊介绍： MPLB opens a channel for the fast circulation of important and useful research findings in Condensed Matter Physics, Statistical Physics, as well as Atomic, Molecular and Optical Physics. A strong emphasis is placed on topics of current interest, such as cold atoms and molecules, new topological materials and phases, and novel low-dimensional materials. The journal also contains a Brief Reviews section with the purpose of publishing short reports on the latest experimental findings and urgent new theoretical developments.