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Samples of original and working porous composite nanofiltration membranes were investigated by xray scattering, thermal analysis, and study of the specific flow rate and retention coefficient. It was established that mechanical loading due to excess pressure of 1.5 MPa in the OFAM-K membranes leads to conformational changes in the phenylone C-4 macromolecules in the crystalline and amorphous intercrystalline...
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