中国塑料 ›› 2011, Vol. 25 ›› Issue (09): 70-74 .DOI: 10.19491/j.issn.1001-9278.2011.09.015

• 加工与应用 • 上一篇    下一篇

酚化腐植酸改性酚醛泡沫材料的制备与性能的分析

汪正安 章祥林 童亚军 苏肖   

  1. 安徽建筑工业学院 安徽建筑工业学院材料与化学工程学院
  • 收稿日期:2011-06-17 修回日期:1900-01-01 出版日期:2011-09-26 发布日期:2011-09-26

The preparation and properties analysis of phenolization of humic acid–phenol–formaldehyde foams

Zheng'an WANG Xianglin ZHANG Yajun TONG Xiao SU   

  • Received:2011-06-17 Revised:1900-01-01 Online:2011-09-26 Published:2011-09-26
  • Contact: Xianglin ZHANG

摘要: 以特定工艺制备酚化改性腐植酸(PHA),选择并优化工艺参数从而制成PHA改性酚醛泡沫材料。采用傅里叶红外分析、热失重分析、氮吸附和冲击强度测试等方法对PHA改性酚醛泡沫材料结构和性能进行了分析。结果表明,当PHA质量分数为40 %时, PHA改性酚醛泡沫材料的冲击强度为5.7 kJ/m2,压缩强度为0.33 MPa,极限氧指数为47 %,热导率为0.038 W/(m·K),在400 ℃时的质量保留率为79.1 %。其各项性能良好,可以替代部分苯酚制备PHA改性酚醛泡沫材料。

关键词: 酚醛树脂, 酚化腐植酸, 泡沫材料, 热导率

Abstract: Phenolized humic acid (PHA) was used in the preparation of PHA-phenol-formaldehyde foam. The structure and properties of the foam were characterized using Fourier infrared spectroscopy, thermogravimetric , nitrogen adsorption, and impact testing. When the loading of PHA was 40 wt%, an impact strength of 5.7 kJ/m2, a compression strength of 0.33 MPa, an oxygen index of 47 %,a thermal conductivity coefficient of 0.038 W/(m·K), and a carbon residue at 400 ℃ of 79.1 % were obtained.

Key words: phenol resin, phenolized humic acid, foam, thermal conductivity