Microporous films based on polyurethane-polyurethaneacrylate semiinterpenetrating polymer networks.

By using the methods of the dynamic mechanical thermal analysis, X-ray scattering and scanning electronic microscopy the microphase structure and properties of water-permeable polymer films based on polyurethane-polyurethaneacrylate semi-IPNs were studied. The parameters of porous (size, form and size distribution) were found to be a function of content of linear component, and the heterogeneity level of structure and size of microareas of heterogeneity to depend in a small extent on composition of researched systems. [ABSTRACT FROM AUTHOR]