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首页> 外文期刊>AATCC Journal of Research >Characterization and Development of a New Method for Determination Charge Density of 3-(Trimethoxysilyl)-propyldimethyloctadecyl Ammonium Chloride Coatings on Polyester Surfaces
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Characterization and Development of a New Method for Determination Charge Density of 3-(Trimethoxysilyl)-propyldimethyloctadecyl Ammonium Chloride Coatings on Polyester Surfaces

机译：测定聚酯表面3-（三甲氧基甲硅烷基）-丙基二甲基十八烷基氯化铵涂层电荷密度的新方法的表征和发展

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摘要

Medical science bene ts from models that predict antimicrobial activity, as well as the mechanism of antimicrobial agent activity effctive in treatment of infectious diseases. A new method to determine the charge density of quaternary nitrogen in 3-(trimethoxysilyl)-propyldimethyloctadecyl ammonium chloride on the surface of polyester (PET) fabric was developed using C.I. Direct Red 47. The properties K/S (color strength), charge density, antibacterial efficiency, hydrophilicity, and surface potentials were examined. The experimental charge density value of 1.33 × 1016 units/cm~2 was close to the calculated value of 1.35 × 1016 units/cm~2 for 0.05% load quat-silane assumed by the amount of quat applied. In addition, correlation between K/S values and charge density had a linear correlation coe cient close to unity.
机译：医学从预测抗微生物活性的模型以及治疗感染性疾病的抗微生物剂活性机制中受益。利用C.I.开发了一种测定聚酯（PET）织物表面3-（三甲氧基甲硅烷基）-丙基二甲基十八烷基氯化铵中季氮电荷密度的新方法。直接红47.检查了特性K / S（色强度），电荷密度，抗菌效率，亲水性和表面电势。 1.33×1016单位/ cm〜2的实验电荷密度值接近于按施加的季铵盐量假设的0.05％负载的季铵硅烷的计算值1.35×1016单位/ cm-2另外，K / S值与电荷密度之间的相关具有接近于1的线性相关系数。

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