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Liu X, Jiang D, Qin Y, Zhang Z, Yuan M. ZnO-PLLA/PLLA Preparation and Application in Air Filtration by Electrospinning Technology. Polymers (Basel) 2023; 15:polym15081906. [PMID: 37112053 PMCID: PMC10146834 DOI: 10.3390/polym15081906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/09/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
With the increasing environmental pollution caused by disposable masks, it is crucial to develop new degradable filtration materials for medical masks. ZnO-PLLA/PLLA (L-lactide) copolymers prepared from nano ZnO and L-lactide were used to prepare fiber films for air filtration by electrospinning technology. Structural characterization of ZnO-PLLA by H-NMR, XPS, and XRD demonstrated that ZnO was successfully grafted onto PLLA. An L9(43) standard orthogonal array was employed to evaluate the effects of the ZnO-PLLA concentration, ZnO-PLLA/PLLA content, DCM(dichloromethane) to DMF(N,N-dimethylformamide) ratio, and spinning time on the air filtration capacity of ZnO-PLLA/PLLA nanofiber films. It is noteworthy that the introduction of ZnO is important for the enhancement of the quality factor (QF). The optimal group obtained was sample No. 7, where the QF was 0.1403 Pa-1, the particle filtration efficiency (PFE) was 98.3%, the bacteria filtration efficiency (BFE) was 98.42%, and the airflow resistance (Δp) was 29.2 Pa. Therefore, the as-prepared ZnO-PLLA/PLLA film has potential for the development of degradable masks.
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Affiliation(s)
- Xinxin Liu
- Green Preparation Technology of Biobased Materials National & Local Joint Engineering Research Center, Yunnan Minzu University, Kunming 650500, China
| | - Dengbang Jiang
- Green Preparation Technology of Biobased Materials National & Local Joint Engineering Research Center, Yunnan Minzu University, Kunming 650500, China
| | - Yuyue Qin
- Institute of Agriculture and Food Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Zhihong Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Mingwei Yuan
- Green Preparation Technology of Biobased Materials National & Local Joint Engineering Research Center, Yunnan Minzu University, Kunming 650500, China
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Kandiyil J, Vasudevan S, Athiyanathil S. Efficient selective methylene blue adsorption by polyurethane/montmorillonite‐based antifouling electrospun composite membranes. J Appl Polym Sci 2022. [DOI: 10.1002/app.53464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Juraij Kandiyil
- Department of Chemistry, Materials Research Laboratory National Institute of Technology Calicut Kozhikode India
| | - Suni Vasudevan
- Department of Chemistry, Inorganic and Bio‐inorganic Laboratory National Institute of Technology Calicut Kozhikode India
| | - Sujith Athiyanathil
- Department of Chemistry, Materials Research Laboratory National Institute of Technology Calicut Kozhikode India
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Shakiba M, Abdouss M, Mazinani S, Reza Kalaee M. Super-hydrophilic electrospun PAN nanofibrous membrane modified with alkaline treatment and ultrasonic-assisted PANI in-situ polymerization for highly efficient gravity-driven oil/water separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.123032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Wang H, Han Z, Liu Y, Zheng M, Liu Z, Wang W, Fan Y, Han D, Niu L. Recyclable Composite Membrane of Polydopamine and Graphene Oxide-Modified Polyacrylonitrile for Organic Dye Molecule and Heavy Metal Ion Removal. MEMBRANES 2022; 12:938. [PMID: 36295697 PMCID: PMC9609451 DOI: 10.3390/membranes12100938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Developing efficient and recyclable membranes for water contaminant removal still remains a challenge in terms of practical applications. Herein, a recyclable membrane constituted of polyacrylonitrile-graphene and oxide-polydopamine was fabricated and demonstrated efficient adsorption capacities with respect to heavy metal ions (62.9 mg g-1 of Cu2+ ion, CuSO4 50 mg L-1) and organic dye molecules (306.7 mg g-1 of methylene blue and 339.6 mg g-1 of eriochrome black T, MB/EBT 50 mg L-1). The polyacrylonitrile fibers provide the skeleton of the membrane, while the graphene oxide and polydopamine endow the membrane with hydrophilicity, which is favorable for the adsorption of pollutants in water. Benefitting from the protonation and deprotonation effects of graphene oxide and polydopamine, the obtained membrane demonstrated promotion of the selective adsorption or desorption of pollutant molecules. This guarantees that the adsorbed pollutant molecules can be desorbed promptly from the membrane through simple pH adjustment, ensuring the reusability of the membrane. After ten adsorption-desorption cycles, the membrane could still maintain a desirable adsorption capacity. In addition, compared with other, similar membranes reported, this composite membrane displays the highest mechanical stability. This work puts forward an alternative strategy for recyclable membrane design and expects to promote the utilization of membrane techniques in practical wastewater treatment.
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Affiliation(s)
- Haoyu Wang
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
| | - Zhiyun Han
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
| | - Yanjuan Liu
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
| | - Maojin Zheng
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
| | - Zhenbang Liu
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
| | - Wei Wang
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
| | - Yingying Fan
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
| | - Dongxue Han
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Psychoactive Substances Monitoring and Safety, Anti-Drug Technology Center of Guangdong Province, Guangzhou 510230, China
| | - Li Niu
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials & Devices, School of Chemistry and Chemical Engineering, Analytical and Testing Center, School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
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Jiang Q, Zhao C, Han Z, Yang G, Qu N, Sun L, Li W, Wang M, Cheng Z. Amino-functionalized polyacrylonitrile/bentonite composite membranes for effective decontamination of Pb2+ and Congo Red. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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