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首页> 外文期刊>The Journal of the Textile Institute >Imparting antibacterial activity, UV-protection properties and enhancing performance of casein modified polyester fabrics
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Imparting antibacterial activity, UV-protection properties and enhancing performance of casein modified polyester fabrics

机译：赋予抗菌活性，UV保护性能和酪蛋白改性聚酯织物的增强性能

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Polyester fibres are extensively used in the textile industry because of their durability, low-cost, easy-care and compatibility properties. The hydrophobic nature of polyester is adversely affecting the level of comfort and restricts its use in most textile applications like sportswear, underwear, and bedding. Thus, the demands for improving polyester properties to meet market needs are gaining increased research interest. In the present work, casein was used as a surface-coating material for woven and knitted polyester fabrics to impart new desired properties. The fabrics were pretreated with sodium hydroxide followed by treating with various concentrations of casein using pad-dry-cure technique, as well the fabrics were treated with casein directly in presence of epichlorohydrin as cross-linker. The apparent viscosity of the different concentrations of the dissolved casein biopolymer was studied. The morphological structure and the surface chemical elements of the untreated and treated polyester fabrics were investigated using field emission scanning electron microscopy (FE-SEM) and dispersive X-ray spectroscopy (EDX), respectively. The base combining capacity of the untreated and treated fabrics was evaluated and compared, in addition to studying their physical and mechanical properties to evaluate their performance. Also, the antibacterial activity of the treated fabrics compared to the untreated one was investigated. The results revealed that all treated polyester fabrics exhibited better moisture regain, UPF, antistatic and antibacterial activity compared to the untreated fabrics. Woven and knitted polyester samples treated with casein only achieved higher strength properties, lower surface roughness and improved electrostatic charges. Even so, the woven samples pretreated with sodium hydroxide followed by casein had increased air permeability values, while the knitted samples showed decreased values and increased stiffness. The overall comparison between the significant properties of all treated polyester fabrics clarified that, the woven sample pretreated with 10% NaOH then 7% casein and knitted sample treated with 4% casein only achieved the best functional performance.
机译：由于它们的耐用性，低成本，易于护理和相容性，聚酯纤维广泛用于纺织业。聚酯的疏水性质对舒适程度产生不利影响，并限制其在运动服，内衣和床上用品等大多数纺织品应用中的使用。因此，改善涤纶特性以满足市场需求的需求正在增加研究兴趣。在本作工作中，酪蛋白用作用于织造和针织聚酯织物的表面涂料，以赋予新的所需性质。用氢氧化钠预处理织物，然后使用垫 - 干固化技术用各种浓度的酪蛋白处理，也用酪蛋白直接在表氯醇作为交联剂存在。研究了不同浓度的溶解酪蛋白生物聚合物的表观粘度。使用现场发射扫描电子显微镜（Fe-SEM）和分散X射线光谱（EDX）研究了未处理和处理的聚酯织物的形态结构和表面化学元素。除了研究其物理和机械性能以评估它们的性能之外，还评估了未处理和处理织物的基部组合能力。此外，研究了与未处理的织物的抗菌活性。结果表明，与未处理的织物相比，所有处理的聚酯织物都表现出更好的滋润，UPF，抗静电和抗菌活性。用酪蛋白处理的织造和针织聚酯样品仅达到更高的强度性能，降低表面粗糙度和改善的静电电荷。即便如此，用氢氧化钠预处理的编织样品随后是酪蛋白的透气性值增加，而针织样品显示出降低的值和增加的刚度。所有处理过的聚酯织物的显着性能之间的总体比较澄清了，用10％NaOH预处理的编织样品7％酪蛋白和4％酪蛋白处理的针织样品仅达到了最佳功能性能。

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