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首页> 外文期刊>The Journal of the Textile Institute >Application of Aloe vera microcapsules in cotton nonwovens to obtain biofunctional textiles
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Application of Aloe vera microcapsules in cotton nonwovens to obtain biofunctional textiles

机译：芦荟微胶囊在棉非织造布中的应用以获得生物功能纺织品

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摘要

The microencapsulation of essential oils and its application in textile articles allows the aggregation of different functionalities to the substrates, imparting them antimicrobial properties, cosmetic effects, UV protection, application of drugs, among others. Therefore, the coacervation technique allows good results using starch to prepare the microcapsules. The objective of this work was the microencapsulation of Aloe Vera with cornstarch using the simple coacervation technique in cotton nonwoven fabric using butane tetracarboxylic acid (BTCA) as a binding agent. Optical and Scanning electron microscopy were performed to understand the morphology of the microcapsules obtained; thermogravimetry, to the comprehension of the thermal degradation of the microcapsules; mass gain percentage; FTIR was used to prove the interaction between nonwoven and microcapsule and finally, the CIE WI white index. The micrography allowed the observation of granular morphology, predominantly angular. The thermogravimetric curves have shown two significative thermal events: dehydration of the oil and degradation of the starch. The samples presented darker coloration; however, their quality was not compromised by the finishing. For this reason, the characterizations allowed to infer that the simple coacervation using this method is a simple process, with good results for the encapsulation of essential oils.
机译：精油的微囊化及其在纺织品中的应用使不同功能的物质聚集在基材上，赋予它们抗菌性能，美容效果，紫外线防护，药物应用等。因此，凝聚技术允许使用淀粉制备微胶囊获得良好的结果。这项工作的目的是使用简单的凝聚技术在棉无纺布中使用丁烷四羧酸（BTCA）作为粘合剂将芦荟与玉米淀粉微囊化。进行光学和扫描电子显微镜检查以了解获得的微胶囊的形态。热重量分析法，以了解微胶囊的热降解;质量增加百分比; FTIR用于证明非织造材料与微胶囊之间的相互作用，最后证明CIE WI白色指数。显微照片允许观察颗粒状形态，主要是角形。热重曲线显示出两个重要的热事件：油的脱水和淀粉的降解。样品呈现较深的颜色。但是，它们的质量并没有受到涂饰的影响。因此，表征可以推断出使用这种方法进行的简单凝聚是一个简单的过程，对于香精油的封装具有良好的效果。

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