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合成了具有较高特征Sm3+荧光强度的Sm(TTA)3AAphen稀土有机配合物,通过常规聚合物混合方式制备了一系列丁腈橡胶基体(NBR)的复合材料,并进一步使Sm(TTA)3AAphen在NBR中发生原位反应。原位反应前后,复合材料均发射较强的Sm3+特征荧光,但反应后强度增至2倍,稀土配合物质量分数高达13.0%时都没有出现“荧光猝灭”现象。SEM,TEM结果表明,原位反应后,稀土配合物在NBR中的分散粒径大大减小,部分达到100nm。
Sm (TTA) 3AAphen rare earth organic complexes with high characteristic Sm3 + fluorescence intensity were synthesized. A series of NBR composite materials were prepared by conventional polymer mixing method. Sm (TTA) 3AAphen In situ reaction occurred in NBR. Before and after the in-situ reaction, the composite material emitted strong Sm3 + fluorescence, but the intensity increased to 2 times after reaction, and the phenomenon of “fluorescence quenching” did not appear when the mass fraction of rare earth complex was as high as 13.0%. The results of SEM and TEM showed that the particle size of rare earth complex in NBR decreased greatly after in-situ reaction and reached 100 nm.