二氨基二苯甲烷改性聚磷酸铵的合成及在环氧树脂中的应用
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Release time:2022-08-18 DOI number:10.16865/j.cnki.1000-7555.2022.0039 Affiliation of Author(s):土木工程学院 Journal:高分子材料科学与工程 Place of Publication:成都市 Key Words:改性聚磷酸铵;环氧树脂;阻燃性能;热解特性;力学性能; Abstract:以二氨基二苯甲烷（DDM）和聚磷酸铵（APP）为原料,通过离子交换反应合成二氨基二苯甲烷改性聚磷酸铵（DDP）,利用傅里叶变换红外光谱、核磁共振对DDP结构进行了表征。将DDP作为阻燃剂、DDM作为固化剂制备阻燃环氧树脂,通过极限氧指数仪、UL94垂直燃烧仪、锥形量热仪、热重分析和力学性能测试仪分别对阻燃环氧树脂的阻燃性能、成炭行为、热稳定性和力学性能进行了研究。结果表明,DDP在环氧树脂中表现出优异阻燃性能,添加15%的DDP可使环氧树脂的总释放热和峰值热释放速率下降32.3%和40.8%,LOI值达到37.1%并通过UL94 V-0级。热重分析表明,DDP有效增强了环氧树脂的成炭能力,当DDP质量分数为15%时,阻燃环氧树脂在800℃时的成炭量达到34.0%。力学性能分析表明,相同添加量的DDP相比于APP能赋予环氧树脂更佳的力学性能,其中15%DDP阻燃环氧树脂的拉伸强度达到35.9 MPa、弹性模量达到3844.7 MPa。 First Author:王飞跃，廖家浩，颜龙* Indexed by:Journal paper Volume:38 Issue:2 Page Number:24-31 Translation or Not:no CN No.:51-1293/O6 Date of Publication:2022-02-01 Included Journals:EI Links to published journals:https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CJFD&dbname=CJFDLAST2022&filename=GFZC202202002&uniplatform=NZKPT&v=e92AWM2pe-bPYzcDZQuvekoXSZCcVryYKQLjmdo8JffOVC5slds7teFnR0wECV-B -
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2022.04二氨基二苯甲烷改性聚磷酸铵的合成及在环氧树脂中的应用_王飞跃.pdf
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