采用磷系阻燃剂DOPO及含磷环氧树脂（DOPO-EP）分别与氮系阻燃剂三聚氰胺氰尿酸盐（MCA）组成氮-磷协同体系阻燃环氧树脂覆铜基板。采用垂直燃烧、微型量热分析考察了体系的阻燃性能及燃烧性参数，研究了相同磷元素和MCA含量下两个体系的协同阻燃效果及阻燃机理。结果表明：DOPO-EP/MCA比DOPO/MCA具有更高的协同阻燃效率，表现出更优异的阻燃性能。
Two N-P synergistic systems composed of melamine cyanurate(MCA) and phosphorus flame re-tardant DOPO or melamine cyanurate(MCA) and phosphorus-containing epoxy resin(DOPO-EP) were em-ployed to flame retardant modify epoxy resin respectively. The flame retardancy and combustibility param-eters of the two systems were investigated by vertical burning and micro combustion calorimetry(MCC), and the synergistic flame retardant efficiency and mechanism of the two systems with the same phospho-rus element and MCA content were compared. The results show that the DOPO-EP/MCA has higher syn-ergistic flame retardant efficiency and better flame retardancy than that of DOPO/MCA.
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