The potential of nanotechnology in the development of new materials (nanotextiles) in the civil engineering can provide advantage of new application. On the one hand, functionality of materials can be improved using nanotextiles and on the other hand, it could make possible a manufacture of nanotextiles with new properties. The surface properties of materials are relevant in many fields of industry such as civil engineering. Testing and characterizing of surface of nanotextiles are very important for developing a new class of protective layers for building materials based on polymeric nanofibers. One of suitable methods to characterize the surface and wetting behavior of nanotextile fibers is contact angle measurements. Contact angle was measured using optical tensiometer by placing a liquid drop onto the nanotextile fibers.Keywords: Surface protection, polymer-based nanofibers, hydrophobicity
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