The differences and the reasons of nanofibers prepared by polyethyleneglycoloxide solutions with different shear viscosity were also discussed.
随着聚氧化乙烯溶液零剪切粘度的增加,制备的纳米纤维直径逐渐变细而且表面也较平滑。
2
The free polyethyleneglycol (PEG) in polyethyleneoxide-polypropylene oxide type demulsifiers is separated by extraction, determined by gravimetric analysis and identified by gas chromotography.