3 years ago

Synthesis and exploration of triazine ultraviolet absorbers with surface enrichment property

Synthesis and exploration of triazine ultraviolet absorbers with surface enrichment property
To improve the distribution of ultraviolet absorbers (UVAs) on coating surface, novel fluorinated triazine UVAs with surface enrichment property were developed. The structure of these compounds was characterized by FT–IR, 1H NMR, 13C NMR and HRMS. UV–Vis spectroscopy results indicate that these new UVAs possess an outstanding UV absorption ability, as verified by quantum calculation. Contact angle measurements show that PVC coating mixed with these novel UVAs exhibit excellent hydrophobicity and oleophobicity. Attenuated total reflection Fourier-transform infrared spectroscopy and X–ray photoelectron spectroscopy suggest that the surface enrichment ability of these modified UVAs are improved almost four times.

Publisher URL: www.sciencedirect.com/science

DOI: S0040402017306373

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