Preparation of Superhydrophilic Polyethersulfone by Sol-Gel Method

Guang Fen Li; Jin Chao Zhang; Xu Dong Sun

doi:10.4028/www.scientific.net/AMR.785-786.1547

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 785-786Preparation of Superhydrophilic Polyethersulfone...

Preparation of Superhydrophilic Polyethersulfone by Sol-Gel Method

Abstract:

Here a simple method was developed to fabricate hydrophilic Polyethersulphone film via a sol-gel process. The correspondent hydrophilicity was evaluated by infrared spectral analysis, X-ray photoelectron spectroscopy, the contact angle measurement, atomic force microscope and scanning electron microscope analysis, respectively. Both FTIR and XPS analysis indicated that the film surfaces have a relatively dense sol layer, which favors to become hydrophilic. AFM analysis demonstrated that the higher hydrophilicity was mainly attributed to the surface roughness, while SEM images show that the micro/nanometer crater-like protrusions appears on the film surfaces, whereas the spongy structures & the finger-like structures appear in cortex and intermediate layer respectively. This leads to the hydrophilic film forming after film being treated by sol-gel method.