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首页> 外文期刊>Journal of Polymers and the Environment >PET-Cell Fibers: Synthetic with Natural Effects, Surface Modification of PET Fibers with Luffa Nanowhiskers
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PET-Cell Fibers: Synthetic with Natural Effects, Surface Modification of PET Fibers with Luffa Nanowhiskers

机译：PET-Cell纤维：具有自然效果的合成材料，带有Luffa纳米晶须的PET纤维的表面改性

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摘要

Nowadays, an increasing demand emerges for biodegradable materials and products made from renewable resources. The cellulose in the form of cellulosic fibers or nano fibers can play a crucially important role in the enhancement of the performance of an absorbent product and provide water holding capacity. In the present study, a new hydrogel was synthesized based on luffa nanowhiskers prepared by luffa cylindrica fibers as a natural source of cellulose in order to surface modification of polyester fabric. Cellulose nanowhiskers were characterized by Fourier transform infrared (FTIR) and transmission electron microscopy. The results confirm the integrity of cellulose nanocrystals after chemical modification and their rod-like morphology with nanometric dimensions. In order to surface modification of knitted polyester fabric, different amounts of nano-hydrogel were deposited on the alkali-modified and unmodified polyester fabrics. Scanning electron microscopy and FTIR results confirm the presence of cellulose based hydrogel on the fabrics. Water retention capacity (WRC), water uptake ability and self-cleaning properties of treated fabrics were evaluated and the results show that the improvement of WRC and relative self-cleaning property of samples. In order to obtain an antibacterial fabric, the neem extract as a natural antibacterial agent was loaded into nano-hydrogel. The results of loading and release behavior of neem extract, represent the controlled drug-delivery properties of the treated fabrics and significant antibacterial properties against gram-positive and gram-negative bacteria.
机译：如今，对可再生材料制成的可生物降解材料和产品的需求不断增长。纤维素纤维或纳米纤维形式的纤维素可以在增强吸收性产品的性能并提供保水能力方面发挥至关重要的作用。在本研究中，基于丝瓜纳米晶须（由丝瓜圆柱状纤维制备）作为纤维素的天然来源，合成了一种新型水凝胶，以对聚酯织物进行表面改性。纤维素纳米晶须通过傅立叶变换红外（FTIR）和透射电子显微镜进行表征。结果证实了化学修饰后的纤维素纳米晶体的完整性及其纳米尺寸的棒状形态。为了对针织聚酯织物进行表面改性，在碱改性和未改性的聚酯织物上沉积了不同量的纳米水凝胶。扫描电子显微镜和FTIR结果证实了在织物上存在纤维素基水凝胶。对处理后的织物的保水能力（WRC），吸水能力和自清洁性能进行了评估，结果表明，WRC的改善和样品的相对自清洁性能。为了获得抗菌织物，将印em提取物作为天然抗菌剂加载到纳米水凝胶中。印em提取物的负载和释放行为的结果代表了处理过的织物的受控药物传递特性，以及对革兰氏阳性和革兰氏阴性细菌的显着抗菌性能。

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