Nanomaterials change our life. Every day they find applications in new branches of technology. At the same time, some branches of technology, like civil engineering, are rather conservative and do not accept new approaches lightly. Nanotextiles exhibit a number of qualities that make them a promising material for civil engineering applications. They can potentially play a role of filters, protective layers, armature and others. Properties of the nanotextiles can be significantly influenced by parameters of technological process. Pure experimental search of the optimal technological parameters to achieve the desired properties of the final material can be very tedious. Thus, a theoretical dependence of the properties of the nanotextile on parameters of the technological process must be established. Two independent tasks must be solved for this: the dependence of nanotextile structure on technological parameters, and determination of physical, chemical or biological properties of a nanotextile of a given structure. In this paper we discuss steps necessary for the solution of the second task.Nanotextile is a material with extremely large porosity, which makes standard macroscopic models for the description of its properties inappropriate. Thus, any successful model must be based on the specific structure of the nanotextile. After the structure is known the next step is to understand all important interactions between nanofibers and the environment. The set of such interactions depend on the problem under consideration. Finally, the properties of the material should be determined as a numerical solution of the corresponding 3D model.Keywords: van der Waals, DLVO potential, Monte Carlo simulations
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