2015 (1) 3
https://doi.org/10.15407/polymerj.37.01.020
Waterpermeability and morphology of porous polymer films based on acrylate semi-IPNs
L.A. Honcharova1, O.O. Brovko1, V.I. Sapsay2, D.O. Klymchuk2, L.M. Sergeeva1, T.A. Sergeeva3
1Institute of Macromolecular Chemistry NAS of Ukraine
48, Kharkivske shose, Kyiv, 02160, Ukraine
2N.G. Kholodny Institute of Botany NAS of Ukraine
2, Tereshchenkivs’ka str., Kyiv, 01601, Ukraine
3Institute of Molecular Biology and Genetics NAS of Ukraine
150, Zabolotnogo str., Kyiv, 03680, Ukraine
Polym. J., 2015, 37, no. 1: 20-26.
Section: Structure and properties.
Language: Ukrainian.
Abstract:
The morphology and water permeability of porous polymer films formed on the basis of interpenetrating polymer networks (IPN) were investigated. The films were synthesized based on semi-IPN comprised of acrylate network modified by oligourethane acrylate, and different in nature linear components-porogens – polyethylene glycol (PEG, MM 20000) and polyurethane (PU, MM 40000). The water permeability was studied using a pumping unit provided overpressure in the range of 100-3500 psi using a two-chamber cell filtration Security Guard Cartrige System, Phenomenex (UK). The morphology of films was studied by SEM. It was established that the content and nature of the linear component of acrylate semi-IPN significantly affect on the morphology and water permeability properties of the obtained films. It is shown that the obtained thin films have isotropic globular (nodular) a porous structure with a relatively narrow globule (nodule) size distribution. The average size of nodules of the structure of films with PU is about 5 times greater than with PEG. The greatest water permeability of films after extraction of maximum (20 % wt.) content of the linear component was demonstrated.
Key words: porous polymer films, oligoetheracrylates, semi-IPNs, morphology, water permeability.
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