以加入氢氧化铝(ATH)提高苯并噁嗪树脂(BOZ)的阻燃性,并对阻燃聚苯并噁嗪树脂的性能进行研究.结果表明,当氢氧化铝质量分数大于20%时,聚苯并噁嗪树脂的阻燃性可以达到UL-94V0级.差示扫描量热(DSC)和动态机械分析(DMA)测试显示氢氧化铝的加入,使苯并噁嗪树脂开环固化反应放热热焓和峰值温度均有降低,使聚苯并噁嗪树脂的玻璃化转变温度略有升高.热失重分析(TGA)和扫描电镜(SEM)测试结果表明在聚苯并噁嗪树脂受热时,氢氧化铝先行分解吸热,使体系温度降低,同时氢氧化铝还可以促进聚苯并噁嗪残炭,并且生成三氧化二铝覆盖在聚苯并噁嗪树脂炭层表面,起到隔绝空气,阻止燃烧的作用.
参考文献
| [1] | SEN A K;MUKHERIEE B;BHATTACHARYA A S et al.Preparation and characterization of low-halogen and nonhalogen fire-resistant low-smoke (FRLS) cable sheathing compound from blends of functionalized polyolefins and PVC[J].Journal of Applied Polymer Science,1991,43(09):1673-1684. |
| [2] | Cristine Canaud;Leila Lea Yuan Visconte;Regina Celia Reis Nunes .Mechanical and Flammability Properties of ATH-Filled EPDM Compositions[J].Macromolecular materials and engineering,2001(7):377-381. |
| [3] | Pi H.;Guo SY.;Ning Y. .Mechanochemical improvement of the flame-retardant and mechanical properties of zinc borate and zinc borate - Aluminum trihydrate-filled poly(vinyl chloride)[J].Journal of Applied Polymer Science,2003(3):753-762. |
| [4] | Hemvichian K.;Laobuthee A.;Chirachanchai S.;Ishida H. .Thermal decomposition processes in polybenzoxazine model dimers investigated by TGA-FTIR and GC-MS[J].Polymer Degradation and Stability,2002(1):1-15. |
| [5] | ISHIDA H;DOUGLAS J A .Physical and mechanical characterization of near-zero shrinkage polybenzoxazines[J].Journal of Polymer Science Part B: Polymer Physics,1996,34(06):1019-1030. |
| [6] | ARTHUR F G;WILKIE C A.Fire Retardancy of Polymeric Materials[M].New York,USA:Marcel Dekker,Inc,2000 |
| [7] | 黄年华,张勇辉,张强,熊奇,李治华.氢氧化铝对乙烯-丙烯酸丁酯共聚物力学与阻燃性能及热降解行为的影响[J].中国塑料,2006(12):65-68. |
| [8] | ARTHUR H.Landrock Handbook of Plastics Flammability and Combustion Toxicology[M].New Jersey:Noyes Publication,1983 |
| [9] | 肖卫东,何培新,何本桥.Al2O3·3H2O阻燃环氧树脂机理探讨[J].应用化学,2000(04):397-400. |
| [10] | 王建祺.无卤阻燃聚合物基础与应用[M].北京:科学出版社,2005:19-20. |
| [11] | 曹正白;陈克潜.有机反应中的酸碱催化[M].北京:高等教育出版社,1995:96-97. |
| [12] | Kasinee Hemvichian;Hatsuo Ishida .Thermal decomposition processes in aromatic amine-based polybenzoxazines investigated by TGA and GC-MS[J].Polymer: The International Journal for the Science and Technology of Polymers,2002(16):4391-4402. |
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