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;
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