期刊
CARBOHYDRATE POLYMERS
卷 153, 期 -, 页码 582-591出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2016.08.011
关键词
Self-synthesized; Polyurethane; Cellulose acetate; Blend membrane; Chromium (VI) removal
资金
- University of the Punjab, Lahore, Pakistan [D/222/FBSS]
- Higher Education Commission of Pakistan [20-2887/NRPU/RND/HEC/13]
- Department of Textile Engineering and Technology
- Department of Polymer Engineering and Technology University of the Punjab
Blended membranes of polyurethane and cellulose acetate were prepared, characterized and investigated for their performance. Various ratios of cellulose acetate were employed to prepare four different blend membranes. The characteristics of both pure and blend membranes were investigated and results were compared to distinguish their properties. Functional group analysis was carried out by attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) of pure and blend samples. Contact angle measurement and water content were evaluated to determine the membrane hydrophilicity. Moreover, the membrane morphology was studied by scanning electron microscopy (SEM). The membrane permeation properties and ability to reject chromium (VI) ions were tested at various pH and pressure by utilizing different salt concentrations. (C) 2016 Elsevier Ltd. All rights reserved.
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