Abstract
Multifunctional microcapsules with osmanthus fragrance oil (OFO) as core materials and hexanediol diacrylate (HDDA)/modified titanium dioxide (TiO2) as shell materials were prepared via Pickering emulsion photopolymerization. The microcapsules are strawberry and core-shell structure and then blended with waterborne silicone resin to form multifunctional fabric coatings. The preparation process is rapid and environmentally friendly. The coated fabric can keep fragrance releasing for 85 days at room temperature condition, which showed slow releasing performance of fragrance. Meanwhile, due to perfluorooctyltriethoxysilane and ultraviolet absorbers Tinuvin 1130 grafting on the TiO2 nanoparticles in the shell of microcapsules, the coated fabric not only exhibits excellent superhydrophobicity with high water contact angle (WCA) (158.6°) and low sliding angle (SA) (9.0°), but also possesses Ultraviolet (UV) protection property with high Ultraviolet Protection Factor (UPF) value (210.5).
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