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A high near-infrared reflective red pigment, and a preparation method and application thereof
PendingCN122344413AHigh near-infrared reflectivityReduce toxic metal contentRare-earth elementNear infrared reflectance
The application provides a preparation method and application of a high near-infrared reflective red pigment. 1‑x RE x O5; wherein RE is at least one selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Y, Tm, Yb and Lu. The red pigment is obtained by doping with a rare earth element RE and using a high-temperature solid-phase synthesis method, so that the a* range of the red pigment is changed, and the redness and near-infrared reflectivity of the red pigment are improved.
Owner:XIAMEN INST OF RARE EARTH MATERIALS