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首页> 外文期刊>Journal of Applied Polymer Science >Antimicrobial materials based on poly(ethylene-co-vinyl alcohol) and silver acetate produced by reactive extrusion
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Antimicrobial materials based on poly(ethylene-co-vinyl alcohol) and silver acetate produced by reactive extrusion

机译：基于聚（乙烯 - 共乙烯醇）和反应挤出产生的醋酸盐的抗微生物材料

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摘要

The use of silver as an antimicrobial agent has exhibited great interest in recent years. In this research, poly(ethylene-co-vinyl alcohol) (EVOH)-silver acetate-based antimicrobial materials were prepared at high temperature by reactive extrusion. Silver acetates were used without pretreatment. The thermal reaction of silver acetates in the material and their effect on the thermal and mechanical properties of the polymer were investigated as a function of their concentration. The dispersed silver acetate salts within the EVOH matrix have displayed a significant thermal reaction. This reaction of metallic salts was partial when the extrusion temperature was fixed at 190 degrees C and completed at 230 degrees C. The antimicrobial agents also had significant effects on the properties of the matrix. Reductions of glass temperature and storage modulus were observed by the analyses. All the variations were dependent on both the concentration of silver acetate and the extrusion parameters. The antimicrobial activity was studied and demonstrated a promising potential to create an antimicrobial material in a one-step solvent free extrusion method. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47799.
机译：近年来，使用银作为抗菌剂表现出极大的兴趣。在该研究中，通过反应挤出在高温下在高温下制备聚（乙烯 - 共乙烯醇）（EVOH）乙酸乙酸基抗微生物材料。使用醋酸纤维而无需预处理。作为其浓度的函数，研究了材料中银醋酸乙烯酯的热反应及其对聚合物的热和力学性能的影响。 EVOH基质中的分散的乙酸盐盐表现出显着的热反应。当挤出温度在190℃下固定挤出温度并在230℃下完成，金属盐的这种反应是部分的部分。抗微生物剂对基质的性质产生显着影响。通过分析观察玻璃温度和储存模量的减少。所有变化均取决于醋酸银的浓度和挤出参数。研究了抗微生物活性，并证明了在一步溶剂无挤出方法中产生抗微生物材料的有希望的电位。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,47799。

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