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螺环化合物因其结构的特点可用作膨胀单体添加到树脂中减少固化后体积收缩带来的不良影响。本文主要综述了近年来国外在螺环类膨胀单体方面的研究成果,介绍了部分螺环化合物的合成和研究方法,以及螺环型膨胀单体在补牙材料和阻燃材料方面的应用。
Spiro compounds, because of their structural characteristics, can be used as an intumescent monomer to the resin to reduce the adverse effects of volumetric shrinkage upon cure. In this paper, the research results of spiro-ring monomers in foreign countries are reviewed in this paper. The synthesis and research methods of some spiro compounds are also introduced. The applications of spiro-ring monomers in dental materials and flame retardant materials are also introduced.