银系抗菌剂对包装原纸性能的影响

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英文篇名：Effects of Silver Antibacterial Agent on Properties of Packaging Base Paper 作者：贾文静 ; 王毓彤 ; 徐朝阳 英文作者：JIA Wen-jing;WANG Yu-tong;XU Zhao-yang;Nanjing Forestry University; 关键词：抗菌纸 ; 抗菌性能 ; 乙酸银 ; 纳米银 ; 磺胺嘧啶银 英文关键词：antibacterial paper;;antibacterial properties;;silver acetate;;silver nanoparticles;;silver sulfadiazin 中文刊名：BZGC 英文刊名：Packaging Engineering 机构：南京林业大学; 出版日期：2019-03-10 出版单位：包装工程 年：2019 期：v.40;No.395 基金：江苏省苏北科技专项(SZ-SQ2017013);; 国家自然科学基金(31770607) 语种：中文; 页：BZGC201905014 页数：6 CN：05 ISSN：50-1094/TB 分类号：113-118

摘要

目的研究银系抗菌剂对包装原纸抗菌性能、白度和力学性能的影响。方法选用乙酸银、纳米银、磺胺嘧啶银等3种不同的银系抗菌剂,采用表面涂布的方法制备出抗菌纸;选用大肠杆菌和金黄色葡萄球菌检测其抗菌性能;比较抗菌纸和空白试样的力学性能。结果 3种抗菌纸对大肠杆菌和金黄色葡萄球菌均有一定的抗菌效果,抑菌圈直径为0.35～5.46 mm,其中对金黄色葡萄球菌的抗菌效果最为明显;当抗菌液的质量分数为0～0.5%时,随着浓度的增加,乙酸银抗菌纸的抗菌性能随之增加;当抗菌液的质量分数为0～10%时,随着浓度的增加,纳米银抗菌纸的抗菌性能也逐渐增加;当抗菌液的质量分数为0.6%时,磺胺嘧啶银抗菌纸抗菌性能达到最佳;抗菌剂对包装原纸白度有一定影响,但对力学性能的影响不明显。结论 3种抗菌纸对金黄色葡萄球菌的抗菌效果比对大肠杆菌的优良,抗菌纸的抗菌性能与抗菌剂种类和浓度有关;抗菌处理对包装原纸的力学性能和表面结构影响不大,但乙酸银和纳米银抗菌剂会导致纸张白度的下降。
        The paper aims to study effects of silver antibacterial agents on the antibacterial properties, whiteness and mechanical properties of packaging paper. Three different silver antibacterial agents of silver acetate, silver nanoparticles and silver sulfadiazine were selected and the antibacterial paper was prepared by surface coating method. Escherichia coli and Staphylococcus aureus were selected to study the antibacterial properties and the physical properties of the antibacterial paper compared with the blank samples. These three kinds of antibacterial paper had antibacterial effects on Escherichia coli and Staphylococcus aureus especially for Staphylococcus aureus. The diameter of bacteriostatic ring was 0.35 mm to 5.46 mm. When the mass fraction was 0 to 0.5%, the antibacterial properties of silver acetate antibacterial paper were increased. When the mass fraction was 0 to 10%, the antibacterial properties of nano silver antibacterial paper were increased too. When the mass fraction was 0.6%, the antibacterial property of silver sulfadiazine antibacterial paper was the best. The antibacterial agent had no obvious effect on the mechanical properties except the whiteness. The antibacterial effects of the three kinds of antibacterial paper on Staphylococcus aureus are better than that of Escherichia coli.The antibacterial performance of the antibacterial paper is related to the concentration and species of the antibacterial agent. The antibacterial treatment has little effect on the mechanical properties of the packaging paper, but silver acetate and silver nanoparticles will lead to a decrease in the whiteness of the paper.

引文

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