Abstract
CaCO3@TiO2 particles were synthesized through a direct carbonation method, which can be used as the substitutes of TiO2 in pigments and coatings. To improve the dispersion in waterborne polyurethane(WPU) suspensions, CaCO3@TiO2 particles were modified by stearic acid. SEM tests of the fractured surfaces of the composites films showed that the CaCO3@TiO2 particles were well embedded in the WPU matrix. And the mechanical properties, thermal stability and water resistance of the composites films were improved by the introduction of CaCO3@TiO2 particles.
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Supported by the National Natural Science Foundation of China(No.21671078).
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Jiang, T., Fan, Q., Huang, C. et al. Mechanical and thermal properties of waterborne polyurethane films modified by CaCO3@TiO2 particles with UV absorption activity. Chem. Res. Chin. Univ. 33, 1007–1011 (2017). https://doi.org/10.1007/s40242-017-7088-8
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DOI: https://doi.org/10.1007/s40242-017-7088-8