TY - JOUR AU1 - Ohashi, Fumihiko AU2 - Arai, Kenji AU3 - Shibahara, Atsushi AB - A non-crystalline aluminum silicate related to allophane (i.e., clay mineral) was synthesized by a hydrothermal reaction after which the synthetic mineral was mixed with clear or multicolored aqueous emulsion paint as a nanofiller. The nanofiller was revealed by X-ray diffraction to have an amorphous morphology, showed a narrow particle size distribution with a volume mean diameter of 1.2 µm and indicated a specific surface area of 228 m2/g. Clear films prepared with the nanofiller had significantly improved wettability compared to a blank film. The results of outdoor exposure tests exhibited that multicolored films with the nanofiller showed higher antifouling ability than films with a commercially available silica filler. A proposed antifouling mechanism is that the proportion of Si-OH and Al-OH active sites exposed on the nanofiller surface had a significant effect on the surface wettability of the films and exquisitely controlled the sliding of rain droplets. TI - Effect of structure-controlled aluminum silicate nanofiller on surface properties of emulsion coating films JF - Journal of Coatings Technology and Research DO - 10.1007/s11998-021-00541-6 DA - 2022-01-01 UR - https://www.deepdyve.com/lp/springer-journals/effect-of-structure-controlled-aluminum-silicate-nanofiller-on-surface-mTkZEZHeDN SP - 355 EP - 360 VL - 19 IS - 1 DP - DeepDyve ER -