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Improved tear resistance by low environmental impact coupling of plasma reactive and additive treatment of a TPU/PET coated fabric
Journal of Industrial Textiles ( IF 3.2 ) Pub Date : 2021-08-16 , DOI: 10.1177/15280837211038852
Lucile Nuez 1 , Pierre-Baptiste Jacquot 1 , Romain Léger 2 , Patrick Ienny 2 , Didier Perrin 1
Affiliation  

An environmentally friendly approach, which consists in coupling a dielectric barrier discharge (DBD) based atmospheric plasma treatment with a coating of an aqueous phase polyurethane dispersion (PUD) containing blocked polyisocyanates, is proposed to improve the adhesion of a thermoplastic polyurethane (TPU) film onto a poly-(ethylene terephthalate) (PET) textile fabric. In this study, a screening digital design of experiment plan (DOE) was developed to determine the influence of process parameters on the adhesion between film and fabric and to evaluate the best possible adhesion value. The process parameters considered are: the dielectric barrier discharge power, the speed of the fabric undergoing the treatment, the concentration of polyisocyanates (NCO) in the PUD and the air gap. The adhesion was measured by a peeling test and further scanning electron microscope observations were carried out. Results showed that an increase of both the processing power and the NCO content in PUD, as well as the decrease in the DBD speed, had a positive effect on the adhesion. In addition, X-ray photoelectron spectroscopy and contact angle measurements demonstrated an increase in the oxygen/carbon atomic percentage ratio between the reference fabric and the treated fabric. Thus, the calibrated oxidation of the PET treated with DBD plasma treatment leads to a greater chemical and physical interaction with the TPU film, which results in better film-fabric adhesion.



中文翻译:

通过 TPU/PET 涂层织物的等离子体反应和添加剂处理的低环境影响耦合提高抗撕裂性

提出了一种环境友好的方法,该方法包括将基于介质阻挡放电 (DBD) 的大气等离子体处理与含有封端多异氰酸酯的水相聚氨酯分散体 (PUD) 涂层相结合,以提高热塑性聚氨酯 (TPU) 薄膜的附着力到聚(对苯二甲酸乙二酯)(PET)纺织织物上。在这项研究中,开发了一种筛选数字设计实验计划 (DOE),以确定工艺参数对薄膜和织物之间附着力的影响,并评估可能的最佳附着力值。所考虑的工艺参数是:介质阻挡放电功率、接受处理的织物的速度、PUD 中多异氰酸酯 (NCO) 的浓度和气隙。通过剥离试验测量粘附力,并进行进一步的扫描电子显微镜观察。结果表明,处理能力和 PUD 中 NCO 含量的增加,以及 DBD 速度的降低,对附着力都有积极的影响。此外,X 射线光电子能谱和接触角测量表明参考织物和处理过的织物之间的氧/碳原子百分比增加。因此,经过 DBD 等离子体处理的 PET 的校准氧化导致与 TPU 膜的更大化学和物理相互作用,从而导致更好的膜织物粘附。以及 DBD 速度的降低,对附着力有积极影响。此外,X 射线光电子能谱和接触角测量表明参考织物和处理过的织物之间的氧/碳原子百分比增加。因此,经过 DBD 等离子体处理的 PET 的校准氧化导致与 TPU 膜的更大化学和物理相互作用,从而导致更好的膜织物粘附。以及 DBD 速度的降低,对附着力有积极影响。此外,X 射线光电子能谱和接触角测量表明参考织物和处理过的织物之间的氧/碳原子百分比增加。因此,经过 DBD 等离子体处理的 PET 的校准氧化导致与 TPU 膜的更大化学和物理相互作用,从而导致更好的膜织物粘附。

更新日期:2021-08-16
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