Modification of poly(vinyl alcohol) membrane via blending with poly(γ-benzyl l-glutamate)-block-poly(ethylene glycol) copolymer
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Guo-Quan Zhu
,
Qiao-Chun Gao
Abstract
A series of poly(vinyl alcohol) (PVA)/poly(γ-benzyl l-glutamate)-block-poly(ethylene glycol) (PBLG-b-PEG) blend membranes with different PVA/PBLG-b-PEG mole ratios were prepared by pervaporation. Structure and morphologies of PVA/PBLG-b-PEG blend membranes were investigated using Fourier transformation infrared spectroscopy (FTIR), and atomic force microscopy (AFM). Mechanical and chemical properties of PVA/PBLG-b-PEG blend membrane were studied by tensile testing and other physical methods. It was revealed that the introduction of PBLG-b-PEG copolymer has significant effect on the properties of a PVA membrane.
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© 2010 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
- Chemical conjugation of biomacromolecules: A mini-review
- Talaromyces flavus and its metabolites
- Application of non-steroidal anti-inflammatory drugs for palladium determination
- A naked-eye, selective and sensitive chemosensor for fluoride ion
- Determination of catechin and epicatechin in the peel of apple varieties resistant and non-resistant to apple scab
- The use of sulfated tin oxide as solid superacid catalyst for heterogeneous transesterification of Jatropha curcas oil
- Effect of pH and washing on calcium and magnesium distribution between pulp and filtrate
- Influence of lead dioxide electrodes morphology on kinetics and current efficiency of oxygen-ozone evolution reactions
- Synthesis of methyl acetoacetate from acetone and dimethyl carbonate with alkali-promoted MgO catalysts
- Synthesis, crystal structure, and 1H NMR spectra of a chloride-bridged chain complex of dinuclear ruthenium(II,III) 3,4,5-tri(ethoxy-d 5)benzoate
- Modification of poly(vinyl alcohol) membrane via blending with poly(γ-benzyl l-glutamate)-block-poly(ethylene glycol) copolymer
- Oxidative polymerization of anilinium 5-sulfosalicylate with peroxydisulfate in water
- Morphological patterns of poly(N-isopropylacrylamide) derivatives synthesized with EGDMA, DEGDMA, and TEGDMA crosslinkers for application as thermosensitive drug carriers
- Influence of a Fe/activated carbon catalyst and reaction parameters on methane decomposition during the synthesis of carbon nanotubes
- Microwave assisted one pot synthesis of 7-substituted 2-(2-oxo-2H-chromen-3-yl)acetic acids as precursors of new anti-tumour compounds
- ZnO nanoparticles in the synthesis of AB ring core of camptothecin
- Novel benzopyranopyridine derivatives of 2-amino-3-formylchromone
- Polyethylene glycol-mediated synthesis of decahydroacridine-1,8-diones catalyzed by ceric ammonium nitrate
