期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 159, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2023.111665
关键词
TiO2; CaCO3; Microcapsule; Self-cleaning; Self-repairing
By hybridizing TiO2 photocatalyst with CaCO3 as the wall material and using linseed oil as the core material, self-cleaning and self-repairing microcapsules were produced using in-situ precipitation. The microcapsules were evaluated for their morphology, chemical composition, thermal stability, and self-cleaning and self-repairing properties. Results showed that the microcapsules had a rough and spherical surface, along with excellent thermal stability and repeatability. Increasing the dosage of microcapsules significantly increased the degradation rate of methylene blue, while the self-repairing effect of micro-cracks became more evident. The optimal microcapsule dosage was found to be 7.0 wt%.
Utilizing photocatalyst TiO2 to hybridize CaCO3 as the wall material and linseed oil as the core material, selfcleaning and self-repairing microcapsules were produced by in-situ precipitation. The microcapsules were evaluated for micromorphology, chemical composition, thermal stability, self-cleaning and self-repairing properties. The results demonstrate that the microcapsules have a rough and spherical surface, as well as remarkable thermal stability and repeatability. When the dosage of microcapsules increased, the degradation rate of methylene blue increased significantly, and the self-repairing effect of micro-cracks was gradually obvious. The optimal microcapsule dosage is 7.0 wt%. The coating hardness is kept at 3H, the adhesion level is 2B, and the impact resistance height is 50 cm. TiO2 and CaCO3 are hybridized to create an inorganic wall, the microcapsules possess the excellent self-cleaning and self-repairing capabilities.
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