UV irradiation grafting of butyl acrylate on polyimide membrane for enhanced lubricant solvent recovery

IF 0.7 4区工程技术 Q4 CHEMISTRY, APPLIED Polish Journal of Chemical Technology Pub Date : 2024-07-12 DOI:10.2478/pjct-2024-0020

Huilong Shi, Deqing Shi, Bowen Liu, Chengshuai Li, Hongjie Chen

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Abstract

As one single membrane material could not fulfill the requests of chemical stability, mechanical strength, and resistance to pollution in practical applications. Modifications of the membrane to improve its separation performance were of great significance. In this study, UV irradiation grafting modification was employed and butyl acrylate was selected as a modification monomer for polyimide membrane to improve its lipophilicity and separation efficiency in lubricant solvent recovery. And effects of monomer concentration, irradiation distance, and grafting time on the grafting results and separation properties of modified polyimide membranes were investigated. The results exhibited that modified polyimide membranes obtained an enhanced lubricant retention rate compared with raw membranes, which increased from 66.5% to 93.1%. The industrial test for 40 days proved the great stability of modified polyimide membranes. Overall, this work confirmed the good industrial utilization potential of modified polyimide membranes and offered an effective way for lubricant solvent recovery.

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紫外线辐照在聚酰亚胺膜上接枝丙烯酸丁酯以提高润滑剂溶剂回收效果

由于单一的膜材料无法满足实际应用中对化学稳定性、机械强度和抗污染性的要求。对膜进行改性以提高其分离性能具有重要意义。本研究采用紫外辐照接枝改性技术，选择丙烯酸丁酯作为聚酰亚胺膜的改性单体，以提高其亲油性和润滑油溶剂回收中的分离效率。研究了单体浓度、辐照距离和接枝时间对接枝结果和改性聚酰亚胺膜分离性能的影响。结果表明，与原始膜相比，改性聚酰亚胺膜提高了润滑剂保留率，从 66.5% 提高到 93.1%。40 天的工业试验证明，改性聚酰亚胺膜具有很高的稳定性。总之，这项工作证实了改性聚酰亚胺膜具有良好的工业利用潜力，并为润滑剂溶剂回收提供了一种有效途径。

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来源期刊

Polish Journal of Chemical Technology CHEMISTRY, APPLIED-ENGINEERING, CHEMICAL

CiteScore

1.70

自引率

10.00%

发文量

审稿时长

4.5 months

期刊介绍： Polish Journal of Chemical Technology is a peer-reviewed, international journal devoted to fundamental and applied chemistry, as well as chemical engineering and biotechnology research. It has a very broad scope but favors interdisciplinary research that bring chemical technology together with other disciplines. All authors receive very fast and comprehensive peer-review. Additionally, every published article is promoted to researchers working in the same field.