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以2-羟基-4-甲氧基二苯甲酮与稀土金属氯化物为原料、乙醇为溶剂,合成了6个2-羟基-4-甲氧基二苯甲酮稀土配合物,通过元素分析、IR、UV、TG/DTA等方法对其结构进行了表征。结果表明,所形成配合物的化学组成为RE(C14H11O3)3,金属离子与配体2-羟基-4-甲氧基二苯甲酮的化学计量比为1∶3;配体中羰基氧、邻位羟基氧与稀土金属离子配位;得到的配合物稳定性高,仍然具有吸收紫外线的能力。
Using 2-hydroxy-4-methoxybenzophenone and rare earth metal chloride as raw materials and ethanol as solvent, six 2-hydroxy-4-methoxybenzophenone rare earth complexes were synthesized and characterized by elemental analysis , IR, UV, TG / DTA and other methods to characterize its structure. The results show that the chemical composition of the formed complex is RE (C14H11O3) 3, the stoichiometric ratio of the metal ion to the ligand 2-hydroxy-4-methoxybenzophenone is 1: 3, The ortho-hydroxy oxygen coordinates with the rare-earth metal ions; the resulting complex has high stability and still possesses the ability to absorb ultraviolet light.