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首页> 外文期刊>Journal of Applied Polymer Science >Physical and antibacterial properties of polyvinyl alcohol films reinforced with quaternized cellulose
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Physical and antibacterial properties of polyvinyl alcohol films reinforced with quaternized cellulose

机译：季铵化纤维素增强聚乙烯醇薄膜的物理和抗菌性能

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摘要

Hydroxypropyltrimethylammonium chloride cellulose (CM) was homogeneously synthesized in a NaOH/urea aqueous solution. CM was blended in a polyvinyl alcohol (PVA) matrix to produce composite films via co-regeneration from the alkaline solution. The PVA film and the blend films were characterized by Fourier transform infrared spectroscopy, X-ray diffraction measurements and scanning electron microscopy. The mechanical properties, water swelling ratio, hydrophobicity, light transmission, and antibacterial activity against Staphylococcus aureus and Escherichia coli were also evaluated. The results showed that CM could interact with PVA by hydrogen bonding and exhibit an obvious reinforcement effect. The addition of CM improved the surface roughness, hydrophobicity and water swelling ratio, especially, the antibacterial activity. However, compared with neat PVA film, the elasticity and optical transmission decreased. The increased tensile strength, powerful antibacterial activity, and medium light transmission indicate that the biocompatible blend film will become an exceptional alternative in functional bio-material field. (c) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43552.
机译：在NaOH /尿素水溶液中均匀合成了羟丙基三甲基氯化铵纤维素（CM）。将CM掺入聚乙烯醇（PVA）基质中，通过从碱性溶液中共再生制得复合膜。通过傅里叶变换红外光谱，X射线衍射测量和扫描电子显微镜对PVA膜和共混膜进行表征。还评估了对金黄色葡萄球菌和大肠杆菌的机械性能，水溶胀率，疏水性，透光性和抗菌活性。结果表明，CM可以通过氢键与PVA相互作用，并具有明显的增强作用。 CM的添加改善了表面粗糙度，疏水性和水溶胀率，特别是抗菌活性。但是，与纯PVA膜相比，其弹性和透光率下降。增加的拉伸强度，强大的抗菌活性和中等的透光率表明，该生物相容性共混膜将成为功能性生物材料领域的出色替代品。 （c）2016 Wiley Periodicals，Inc. J. Appl。 Polym。科学2016，133，43552。

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