The present invention relates to a phosphazene compound and a composite metal laminate. The phosphazene compound with a partial structure of carboxylic esters has a structure as shown in Formula (I). The present invention obtains a phosphazene compound with a partial structure of carboxylic esters using an M group having specific components. The cured products of the phosphazene compound have good flame retardancy, heat resistance, mechanical properties, flame retardancy, and low dielectric constant, and are a low dielectric flame retardant material having great economic properties and being environmental friendly.
本发明涉及一种膦氮化合物和一种复合
金属层压板。具有部分
羧酸酯结构的
磷氮化合物的结构如式(I)所示。本发明利用具有特定成分的 M 基团获得具有部分
羧酸酯结构的
磷氮化合物。该
磷氮化合物的固化物具有良好的阻燃性、耐热性、机械性能、阻燃性和低介电常数,是一种具有良好经济性和环保性的低介电阻燃材料。