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| Preparation and Characterization of Novel Biodegradable Nanofiber Films in Seawater |
| Received:June 03, 2024 Revised:July 08, 2024 |
| DOI：10.11981/j.issn.1000-6842.2024.04.44 |
| Key Words:cellulose acetate;polylactic acid;nanofiber film;seawater degradation |
| Fund Project:国家重点研发计划深海和极地关键技术与装备专项（2023YFC2811003）；中国科学技术协会青年人才托举工程（2023QNRC0692）。 |
| Author Name | Affiliation | Postcode | | ZHANG Juntao | College of Materials Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350000 | 350000 | | XIE Yuxin | College of Chemistry and Chemical Engineering， China University of Petroleum （East China）， Qingdao， Shandong Province， 266580 | 266580 | | ZHAO Mingwei | College of Chemistry and Chemical Engineering， China University of Petroleum （East China）， Qingdao， Shandong Province， 266580 | 266580 | | ZHAO Yurong* | College of Chemistry and Chemical Engineering， China University of Petroleum （East China）， Qingdao， Shandong Province， 266580 | 266580 | | LIAO Guangfu* | College of Materials Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350000 | 350000 |
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| Abstract: |
| Cellulose acetate （CA） and polylactic acid （PLA） were used as raw materials to prepare CA/PLA nanofiber films with different proportions by salivary membrane method， and the biodegradability was tested in simulated seawater. The effect of mass ratio of CA and PLA on physicochemical structure and thermal properties of the CA/PLA nanofiber films were studied by scanning electron microscopy， Fourier transform infrared spectroscopy， thermogravimetric analysis and other techniques. In addition， the degradability of CA/PLA nanofiber films in simulated seawater was conducted by a 15-day simulated seawater degradation experiment. The results showed that the degradation rate of the CA/PLA nanofiber films was better than that of a pure CA film， and the degradation rate of the CA/PLA nanofiber film with a mass ratio of 8：2 of CA and PLA was up to 86.80%. |
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