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中文摘要：
分别采用钛酸酯偶联剂NDE311、硅烷偶联剂KH550处理氢氧化镁[Mg（OH）：]，将偶联Mg（OH）：与微胶囊化红磷复配无卤阻燃高抗冲聚苯乙烯树脂（niPS）。比较添加偶联剂前后Mg（OH）：无卤阻燃HIPS的综合性能，发现偶联改性可改善材料的阻燃性能、弯曲性能；比较不同偶联剂处理Mg（OH）：的无卤阻燃HIPS的综合性能，发现经KH550偶联剂处理后的材料综合性能较好。
英文摘要：
The non-halogen flame retardant HIPS was modified by the collaborative flame retardant sys- tem of red phosphorus and magnesium hydroxide modified, which the magnesium hydroxide powder was modi- fied by silane coupling agent KH550 and titanate coupling agent NDE311. Comparing the performance of non- halogen flame retardant HIPS adding coupling Mg（OH） 2 with that of the uncoupling, the results showed that former had performed better on flame retardancy and bending property. Comparing the performance of non- halogen flame retardant HIPS by adding different coupling Mg（OH） 2 found that the comprehensive properties of material adding Mg（OH） 2 by silane coupling agent were better.
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