无卤阻燃PP/APP/PTP/PER阻燃性能和热性能Flame Retardant Property and Thermal Property of Halogen-Free Flame Retardant PP/APP/PTP/PER Composites
刘刚;刘述梅;赵建青;叶华;
摘要(Abstract):
采用极限氧指数(LOI)、垂直燃烧试验和热失重(TG)等手段分析了含磷三嗪环聚合物(PTP)对阻燃聚丙烯的阻燃性能及热性能的影响。结果表明,PTP有助于聚丙烯阻燃性能的提高;当添加29%(质量分数)多聚磷酸铵(APP)/季戊四醇(PER)/PTP阻燃剂时,阻燃聚丙烯LOI达到28.4%,UL-94阻燃级别达到V-0级,700℃时在氮气和空气中阻燃聚丙烯残炭率分别为25.5%和20.3%。
关键词(KeyWords): 无卤阻燃;聚丙烯;磷氨阻燃剂;膨胀阻燃剂;协同阻燃;阻燃机理
基金项目(Foundation): 国家自然科学基金项目(20574020)。
作者(Authors): 刘刚;刘述梅;赵建青;叶华;
参考文献(References):
- 1 Chen X,Ding Y,Tang T.Synergistic effect of nickel formate on the thermal and flame-retardant properties of polypropylene. Polym Int,2005,54(6):904-908
- 2 Chang W Y,Hu H C.Phosphate-containing flame-retardant polymers with good compatibility to polypropylene.I.The effect of phosphate structure on its thermal behavior.J Appl Polym Sci,2001,81(5):1 125-1 135
- 3 Chang W Y,Hu H C.Phosphate-containing flame-retardant polymers with good compatibility to polypropylene.Ⅱ.The effect of phosphate structure on its thermal behavior.J Appl Polym Sci,2001,82(10):2 399-2 403
- 4 Pal K,Rastogi J N.Development of halogen-free flame-retardant thermoplastic elastomer polymer blend.J Appl Polym Sci,2004,94(2):407-415
- 5 Lewin M,Endo M.Catalysis of intumescent flame retardancy of polypropylene by metallic compounds.Polym Adv Technol,2003,14(1):3-11
- 6 Cipolli R,Masarati E,Rossi C,et al.Derivatives of 2,4-diamino -1,3,5-triazinyl-6-phosphonic acid.US,US 5296598. 1994
- 7 Cipolli R,Masarati E,Rossi C,et al.Self-extinguishing polymeric compositions.US,US 5314937.1994
- 8 Gang Liu,Jianqing Zhao,Yonghua Zhang,et al.Synthesis and application in polypropylene of a novel nitrogen-containing intumescent flame-retardant.Polym Polym Compos, 2007,15(3):191-198
- 9刘刚,刘述梅.含磷三嗪环聚合物的合成与表征.石油化工, 2007,36(2):173-177