蜜胺-环氧树脂双层包覆聚磷酸铵及其阻燃PP的研究

于守武; 肖淑娟; 赵泽文; 霍晓文; 魏俊富

doi:10.11949/0438-1157.20190104

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蜜胺-环氧树脂双层包覆聚磷酸铵及其阻燃PP的研究

材料化学工程与纳米技术 | 更新时间：2026-07-24

- 蜜胺-环氧树脂双层包覆聚磷酸铵及其阻燃PP的研究
- Study on ammonium polyphosphate coated with melamine-epoxy resin and its application in PP
- 化工学报 2019年70卷第6期页码：2370-2376
- 作者机构：
  
  1.天津工业大学材料科学与工程学院，天津 300387
  2.华北理工大学材料科学与工程学院；河北唐山 063009
- 作者简介：
  
  于守武（1979—），男，博士，副教授，yushouwu@ncst.edu.cn
  魏俊富（1963—），男，教授，Jfweitj@163.com
- 基金信息：
  
  河北省自然科学基金项目(B2016209059)
- DOI：10.11949/0438-1157.20190104
  中图分类号： TQ 317.9
- 收稿：2019-01-30，
  
  修回：2019-03-19，
  
  网络首发：2020-06-15，
  
  纸质出版：2019-06-05
- 稿件说明：
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于守武, 肖淑娟, 赵泽文, 霍晓文, 魏俊富. 蜜胺-环氧树脂双层包覆聚磷酸铵及其阻燃PP的研究[J]. 化工学报, 2019, 70(6): 2370-2376

YU Shouwu, XIAO Shujuan, ZHAO Zewen, HUO Xiaowen, WEI Junfu. Study on ammonium polyphosphate coated with melamine-epoxy resin and its application in PP[J]. CIESC Journal, 2019, 70(6): 2370-2376
于守武, 肖淑娟, 赵泽文, 霍晓文, 魏俊富. 蜜胺-环氧树脂双层包覆聚磷酸铵及其阻燃PP的研究[J]. 化工学报, 2019, 70(6): 2370-2376 DOI： 10.11949/0438-1157.20190104.

YU Shouwu, XIAO Shujuan, ZHAO Zewen, HUO Xiaowen, WEI Junfu. Study on ammonium polyphosphate coated with melamine-epoxy resin and its application in PP[J]. CIESC Journal, 2019, 70(6): 2370-2376 DOI： 10.11949/0438-1157.20190104.

摘要

针对聚磷酸铵(APP)耐水性不足、与聚丙烯(PP)等高分子材料相容性差等问题，采用甲醛-三聚氰胺(蜜胺树脂)和环氧树脂双层包覆了APP(EM-APP)，采用红外、扫描电镜、热重分析、溶解度测试等方式表征了包覆效果；采用水平垂直燃烧、氧指数仪和锥形量热仪、热重-红外联用等设备考察了包覆APP用于阻燃PP的效果，探讨了阻燃机理。结果表明：包覆操作不但有效提高了APP的耐水性，且将具有成炭功能的包覆层引入到APP表面；EM-APP相较APP，800℃时残炭量提高14.2%，在聚丙烯中加入同样质量份时，前者具有更高的阻燃效率，热释放速率、总热释放量、烟释放速率和总烟释放量都明显降低；包覆改善了APP与PP的相容性；燃烧过程中包覆层起到了协同成炭的作用。

Abstract

For the problem of insufficient water resistance of ammonium polyphosphate (APP) and poor compatibility with polymer materials such as polypropylene(PP)

APP (EM-APP) is coated with formaldehyde-melamine (melamine resin) and epoxy resin double layer. The coating effect was characterized by means of FT-IR

SEM

TGA and water solubility test. The effects of coating APP on flame retardant PP were investigated by means of horizontal vertical combustion

oxygen index instrument

cone calorimeter and thermo gravimetric-infrared combination

and the flame retardant mechanism was discussed.The results show that the coating operation not only improves the water resistance of APP effectively

but also introduces the coating layer with charring function to the surface of APP. Compared with APP

the residual carbon content of EM-APP increases by 14.2% at 800℃. When the same mass fraction of flame retardant is added to polypropylene

EM-APP has higher flame retardant efficiency

and its heat release rate

total heat release

smoke release rate and total smoke release were significantly reduced. The compatibility between APP and PP is improved by coating treatment. The coatings play a synergistic role in charring during combustion.

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references

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