氮化硼/磷杂菲三嗪化合物阻燃导热聚碳酸酯复合材料的制备及其性能研究

›› 2024, Vol. 38 ›› Issue (3): 31-37.

氮化硼/磷杂菲三嗪化合物阻燃导热聚碳酸酯复合材料的制备及其性能研究

张俊¹,奚望²,钱立军³,周凤帅⁴,邱勇¹,¹,王靖宇²,张志鹏⁵

1. 北京工商大学
2. 北京工商大学化学与材料工程学院
3. 塑料卫生与安全质量评价技术北京市重点实验室，中国轻工业先进阻燃剂工程技术研究中心，石油和化工行业高分子材料无卤阻燃剂工程实验室，北京工商大学化学与材料工程学院
4. 北京工商大学化学与材料工程学院，中国轻工业先进阻燃剂工程技术研究中心，石油和化工行业高分子材料无卤阻燃剂工程实验室
5. 北京建筑材料检验研究院股份有限公司

收稿日期:2023-09-04 修回日期:2023-09-13 出版日期:2024-03-26 发布日期:2024-03-26
基金资助:
北京市自然科学基金项目;北京市自然科学基金项目;国家自然科学基金青年科学基金项目;北京工商大学青年教师科研启动基金项目

Preparation and characterizations of flame-retardant and heat-conductive polycarbonate-based composites with boron nitride and phosphaphenanthrene

Received:2023-09-04 Revised:2023-09-13 Online:2024-03-26 Published:2024-03-26
Contact: Wang XI E-mail:xiwang@btbu.edu.cn

摘要/Abstract

摘要： 基于氮化硼（BN）/磷杂菲三嗪化合物（TAD）构建了阻燃导热聚碳酸酯（PC）复合材料，并对其阻燃性能和导热性能进行了研究。结果表明，BN/TAD阻燃导热复合体系能够有效提高PC复合材料的阻燃性能，当BN添加量为20 %，TAD含量为3 %时，PC/20BN/3TAD复合材料的垂直燃烧测试达到UL 94 V-0级，极限氧指数达到35.1 %；通过锥形量热仪测试，证明了BN/TAD阻燃导热复合体系能够有效降低热释放速率峰值、总热释放量、有效燃烧热等性能参数，并且二者在凝聚相中可以发挥出色的协同成炭效果，赋予PC复合材料优异的阻燃特性；从导热性能测试方面来看，BN/TAD阻燃导热复合体系的导热系数较纯PC相比提高了320 %，获得了兼具优异阻燃特性和出色导热性能的PC复合材料。

关键词: 聚碳酸酯, 阻燃, 导热性, 协同成炭

Abstract: A series of flame-retardant and heat conductive polycarbonate （PC） composites with boron nitride （BN） and phosphafetriazine compound （TAD） was prepared， and its flame retardancy and thermal conductance were investigated. Combustion experimental results indicated that the incorporation of BN and TAD improved the flame-retardant performance of PC effectively. The PC composite containing 20 wt% BN and 3 wt% TAD reached a UL 94 V-0 level in the vertical burning test， and its limiting oxygen index was 35.1 vol%. Cone calorimetric experimental results indicated that the BN/TAD flame-retardant and thermal conductive system effectively reduced the peak heat release rate， total heat release， effective heat of combustion， and other performance parameters， and it could generate an excellent synergistic char-forming effect in the condensed phase， resulting in excellent flame-retardant performance for PC. Moreover， the PC/BN/TAD composite system obtained an increased in the thermal conductivity by 320 % compared to pure PC， indicating high thermal conductance along with excellent flame-retardant performance of the PC-matrix composites.

Key words: polycarbonate, flame retardant, thermal conductivity, cocarbonization

张俊奚望钱立军周凤帅邱勇王靖宇张志鹏. 氮化硼/磷杂菲三嗪化合物阻燃导热聚碳酸酯复合材料的制备及其性能研究[J]. , 2024, 38(3): 31-37.

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