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Surface modification of PET fabric by plasma pre‐treatment for long‐lasting permethrin deposition
Polymers for Advanced Technologies ( IF 3.1 ) Pub Date : 2020-05-18 , DOI: 10.1002/pat.4943
Adair Divino da Silva Badaro 1 , Rômulo Sousa 2 , Muhammad Naeem 3 , Maxwell Santana Libório 4 , Rayane Saory Medeiros dos Santos 5 , Flaviane camara de Souza 5 , Thércio Costa 6 , Michele Feitor 5 , Javed Iqbal 7, 8
Affiliation  

The mosquito‐transmitted diseases are of serious concern and are affecting several millions of peoples worldwide. Instead of medication afterward the disease initiated, self‐protection against the mosquito's is preferable, specifically in endemic areas. For this purpose, the permethrin coated clothing is a suitable choice to avoid mosquitos' bites. Unfortunately, the permethrin coating on fabrics is not long‐lasting, and its laundering resistance is very low on hydrophobic fabric. In this study, the effect of plasma surface modification of PET fabric on the adhesion of permethrin and its laundering resistance are evaluated. The plasma processing is carried out in nitrogen, oxygen, and nitrogen–oxygen mixture plasma. The samples are analyzed using Fourier Transform Infrared spectroscopy, X‐ray photoelectron spectroscopy, scanning electron microscope and chromatography. The results show that the oxygen plasma pre‐treated samples exhibit the higher residual contents of permethrin after 60 wash cycles as compared with other gasses. Without plasma pre‐treatment, the 95% loss, whereas the sample with oxygen plasma pre‐treatment shows that only 22% loss of initial concentration of permethrin occurs after washing. This study shows that plasma pre‐treatment is valuable to improve the absorption of permethrin in PET and its laundering‐resistance. As plasma treatment is a cost‐effective technique, it needs less processing time and eco‐friendly, thus it is a great choice to deposit long‐lasting permethrin coating by plasma pre‐treatment, instead of conventional binding agents. Remarkably, the plasma treatment technique is a well‐established and industrially acceptable technique, thus expected to be of noteworthy importance for insecticide garments manufacturers.

中文翻译:

等离子体预处理对PET织物进行表面改性,以实现持久的苄氯菊酯沉积

蚊子传播的疾病令人严重关切,并正在影响全世界数百万人民。疾病发作后,不宜用药,而对蚊子的自我保护更可取,特别是在流行地区。为此,涂有苄氯菊酯的衣服是避免蚊子叮咬的合适选择。不幸的是,织物上的苄氯菊酯涂层不能持久,并且在疏水性织物上的耐洗涤性很低。在这项研究中,评价了PET织物的等离子表面改性对苄氯菊酯附着力和耐洗涤性的影响。等离子体处理是在氮气,氧气和氮气-氧气混合物的血浆中进行的。使用傅里叶变换红外光谱仪,X射线光电子能谱仪分析样品 扫描电子显微镜和色谱。结果表明,与其他气体相比,经过60次洗涤循环后,氧等离子体预处理的样品显示出更高的残留氯菊酯含量。如果不进行等离子体预处理,则损失了95%,而进行了氧等离子体预处理的样品显示,洗涤后苄氯菊酯的初始浓度仅损失了22%。这项研究表明,血浆预处理对于提高氯菊酯在PET中的吸收及其耐洗涤性具有重要价值。由于等离子处理是一种经济高效的技术,因此它需要更少的处理时间并且对环境友好,因此,这是通过等离子预处理代替传统的粘合剂沉积持久性苄氯菊酯涂层的绝佳选择。值得注意的是
更新日期:2020-05-18
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