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| Preparation of Antibacterial Bamboo Pulp by Grafting with Chitosan |
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| DOI： |
| Key Words:bamboo pulp; chitosan; antibacterial property; graft copolymerization |
| Fund Project:速生材化学改性技术及机理的研究（No.YB20091002201）；北京市自然科学基金（No.2112032）。 |
| Author Name | Affiliation | | 姜彤彤 | 北京林业大学材料科学与技术学院，北京，100083 | | 郑 雪 | 北京林业大学材料科学与技术学院，北京，100083 | | 宋舒苹 | 北京林业大学材料科学与技术学院，北京，100083 | | 张 静 | 北京林业大学材料科学与技术学院，北京，100083 | | 蒲俊文* | 北京林业大学材料科学与技术学院，北京，100083 |
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| Abstract: |
| In order to endow bamboo fiber antibacterial property, chitosan was used as the antibacterial finishing agent to prepare cellulose-chitosan graft copolymer, using K2S2O8 and Na2S2O3 as a redox system to directly initiate chitosan grafting with cellulose to prepare antibacterial materials. The grafting conditions and their impacts on grafting rate of the cellulose and grafting efficiency of the chitosan were discussed. Under the optimal conditions, the graft copolymer was characterized by Fourier transform infrared, scanning electron microscopy and antibacterial activity test. It was discovered that the surface morphology of bamboo fibers was significantly altered and its antibacterial property was also greatly improved. The antibacterial activity properties on Escherichia coli and Staphylococcus aureus were achieved up to 97.00% and 99.91% respectively. |
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