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| Study on Preparation and Performance of Antibacterial Absorbent Sanitary Materials |
| Received:January 16, 2025 Revised:March 06, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.07.010 |
| Key Words:modified fiber poly malic acid antibacterial properties absorbent sanitary materials |
| Author Name | Affiliation | Postcode | | NIU Junjie* | State Key Lab of Bio-based Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, China Textile Industry Key Lab of High-performance Fibers Wet-laid Nonwoven Materials, Tianjin University of Science and Technology, Tianjin, 300457 | 300457 | | WANG Xiaoyong | State Key Lab of Bio-based Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, China Textile Industry Key Lab of High-performance Fibers Wet-laid Nonwoven Materials, Tianjin University of Science and Technology, Tianjin, 300457 | 300457 | | QIU Yetong | State Key Lab of Bio-based Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, China Textile Industry Key Lab of High-performance Fibers Wet-laid Nonwoven Materials, Tianjin University of Science and Technology, Tianjin, 300457 | 300457 | | ZHANG Cuiqian | State Key Lab of Bio-based Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, China Textile Industry Key Lab of High-performance Fibers Wet-laid Nonwoven Materials, Tianjin University of Science and Technology, Tianjin, 300457 | 300457 | | LIU Zehua* | State Key Lab of Bio-based Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, China Textile Industry Key Lab of High-performance Fibers Wet-laid Nonwoven Materials, Tianjin University of Science and Technology, Tianjin, 300457 | 300457 |
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| Abstract:In this study， modified fiber （CRF） was prepared by mechanical treatment of tempo oxidized cellulose with colloidal mill， and a new type of absorbent sanitary material （CRF-PMLA-Ag-SAM） with good antibacterial properties was prepared by polymerization with acrylic acid （AA）， poly malic acid （PMLA）， and silver nitrate （AgNO3） under UV light. The results showed that CRF， AA， and PMLA were successfully copolymerized， and Ag existed in two valence states of Ag+ and Ag0. At the addition amount of 15% CRF， the CRF-PMLA-Ag-SAM prepared with the addition amount of 1% PMLA and 1% AgNO3 had good absorption retention rate for normal saline， with water absorption rate of 128 g/g and water retention rate of 76 g/g， which had obvious inhibitory effect on Staphylococcus aureus and Escherichia coli， and the diameter of inhibition zone was 9.5 and 9.8 mm， respectively. |
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