The application of nanoparticles to the surface modification of cotton fabrics is a promising approach to imparting a set of desirable characteristics to the material, allowing a significant increase in functionality, wearability and service life of textile products. Two approaches to surface modification of hexagonal boron nitride (h-BN) nanoparticles by treatment with maleic anhydride (MA) or diethylene triamine (DETA) were studied in the work published in ACS Applied Bio Materials.
Using DFT simulations, it was shown that the use of a coupling agent significantly increases the bonding strength of nanoparticles in the textile fabric. In addition, it was shown that the interaction of cellulose with boron nitride is much more effective than that with maleic anhydride when DETA is used. This hypothesis was confirmed in an experiment in which it was shown that the modernized boron nitride did not wash out after a day in water and after 40 washings.
Cotton fabric coated with the surface-modified h-BN nanoparticles has a high hydrophobicity. Compared with the original textile material, treatment with MA- and DETA-modified h-BN nanoparticles increases heat resistance by 10% (MA) and by 15% (DETA). Cotton fabrics coated with DETA- and MA-modified h-BN nanoparticles exhibit increased antibacterial activity against Escherichia coli U20 and Staphylococcus aureus strains and completely prevent E. coli biofilm formation. The results are important for the further development of fabrics for sports and medical clothing, as well as wound dressings.
Comments