聚磷酸铵阻燃剂微胶囊对软质PVC性能的影响  

Effect of Ammonium Polyphosphate Microcapsules on Properties of Flexible Polyvinyl Chloride

作　　者：孙光耀[1] 徐少洪[1] 苗嘉俊[1] 高楔峰 王正洲[1,2] 

机构地区：[1]同济大学材料科学与工程学院 [2]同济大学先进土木工程材料教育部重点实验室,上海200092

出　　处：《高分子材料科学与工程》2013年第5期117-119,124,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(21174106;U1205114/L11)

摘　　要：研究了聚磷酸铵(APP)及其两种微胶囊,即环氧树脂包覆的聚磷酸铵(EPAPP)和密胺-甲醛树脂包覆的聚磷酸铵(MFAPP)在软质聚氯乙烯(PVC)体系中阻燃性能、力学性能以及阻燃剂与软质PVC之间的相容性。研究发现,在软质PVC体系中,APP经过微胶囊化改性后其氧指数稍微有所降低,垂直燃烧级别在20%添加量下都能达到UL 94 V-0级,但其拉伸强度有明显改善。扫描电镜(SEM)结果表明两种APP微胶囊与基体的相容性有所提高。Flame retardant and mechanical properties of flexible PVC containing ammonium polyphosphate （APP） and its microcapsules, i.e. microencapsulated APP with epoxy resin （EPAPP） and microencapsulated APP with melamine-formaldehyde resin （MFAPP） were investigated. It is found that the microencapsulation of APP results in a little decrease of LOI, and UL 94 V-0 rating can be reached at 20% loadings, but the microencapsulation leads to that the improvement in the mechanical properties is mainly due to the increase of the compatibility between the microcapsules and the matrix

关 键 词：软质聚氯乙烯 聚磷酸铵 微胶囊 阻燃性能 力学性能 

分 类 号：TQ314.248[化学工程—高聚物工业]