Pransilp Porntepin, Kiatkamjornwong Suda, Bhanthumnavin Worawan, Paosawatyanyong Boonchoat
Program of Pretrochemistry and Polymer Science, Chulalongkorn University, Bangkok 10330, Thailand.
J Nanosci Nanotechnol. 2012 Jan;12(1):481-8. doi: 10.1166/jnn.2012.5380.
Poly(ethylene terephthalate) (PET) fabrics were modified by treating with radio frequency (RF) plasma of different gases, including argon (Ar), nitrogen (N2), oxygen (O2) and sulfur hexafluoride (SF6), under varied power (50-150 watt) and time period (0.5-20 min). Observations indicated that plasma has affected the morphology and roughness of PET fiber surface in the nano-scale level. After plasma treatment, test patterns were printed by inkjet printer directly onto the sample surface. The enhancement of color printing performance on PET fabric by plasma treatment was evaluated by color spectroscopy. The surface nano-modified PET fabrics by Ar, N2, O2, and SF6 plasmas all exhibited enhanced color yield. AFM, SEM, FTIR-ATR and XPS results suggested that the improved pigment color yield was neither clearly contributed by the wettability of the fabrics nor the polar group induced onto the fiber surfaces but rather mainly by the alteration of surface roughness.
通过在不同功率（50 - 150瓦）和时间段（0.5 - 20分钟）下用包括氩气（Ar）、氮气（N₂）、氧气（O₂）和六氟化硫（SF₆）在内的不同气体的射频（RF）等离子体处理，对聚对苯二甲酸乙二酯（PET）织物进行了改性。观察结果表明，等离子体在纳米尺度上影响了PET纤维表面的形态和粗糙度。等离子体处理后，通过喷墨打印机将测试图案直接打印在样品表面。通过颜色光谱法评估了等离子体处理对PET织物上彩色打印性能的增强作用。经Ar、N₂、O₂和SF₆等离子体表面纳米改性的PET织物均表现出更高的色深值。原子力显微镜（AFM）、扫描电子显微镜（SEM）、傅里叶变换红外衰减全反射光谱（FTIR - ATR）和X射线光电子能谱（XPS）结果表明，织物润湿性和纤维表面诱导的极性基团并非是提高颜料色深值的主要原因，而主要是表面粗糙度的改变所致。
