用硅烷类偶联剂,钛酸酯类偶联剂和硬脂酸钠对Mg(OH)2进行表面改性。结果表明,改性后的氢氧化镁粒径减小,活化指数提高,吸水率和吸油值均显著降低。表面改性后的Mg(OH)2和十溴二苯乙烷复合与PP共混,阻燃PP的拉伸强度从15.8Mpa提高到18.2Mpa,极限氧指数(LOI)从25%提高到28%,可以制得阻燃PP的力学性能,阻燃性能,综合性能最好。 Mg (OH) 2 was surface modified with silane coupling agent, titanate coupling agent and sodium stearate. The results showed that the particle size of modified magnesium hydroxide decreased, the activation index increased, and the water absorption and oil absorption decreased significantly. The surface modified Mg (OH) 2 and decabromodiphenyl ethane blends with PP, the tensile strength of flame retardant PP increases from 15.8Mpa to 18.2Mpa, the limiting oxygen index (LOI) increases from 25% to 28 %, You can get the mechanical properties of flame retardant PP, flame retardant properties, the best overall performance.