轻质密胺泡沫制备工艺优化

doi:10.11949/j.issn.0438-1157.20150382

化工学报 ›› 2015, Vol. 66 ›› Issue (S1): 343-348.DOI: 10.11949/j.issn.0438-1157.20150382

• 材料化学工程与纳米技术 • 上一篇下一篇

轻质密胺泡沫制备工艺优化

张学丽¹, 王克俭¹, 蒋洪罡², 苏正涛², 苑会林¹

1 北京化工大学成型制造研究中心, 北京 100029;
2 北京航空材料研究院, 北京 100095

收稿日期:2015-02-16 修回日期:2015-02-28 出版日期:2015-06-30 发布日期:2015-06-30
通讯作者: 王克俭

Process optimization of preparing melamine formaldehyde foam

ZHANG Xueli¹, WANG Kejian¹, JIANG Honggang², SU Zhengtao², YUAN Huilin¹

1 Molding Process Research Center, College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China;
2 Beijing Institute of Aeronautical Materials, Beijing 100095, China

Received:2015-02-16 Revised:2015-02-28 Online:2015-06-30 Published:2015-06-30

摘要/Abstract

摘要：

基于红外光谱分析和反应过程树脂黏度及泡孔结构的变化, 说明了三聚氰胺和甲醛为主要原料制备热固性泡沫的机理, 物理发泡过程还发生交联固化, 不同条件下制备不同泡孔大小和长径比的泡沫。为获得轻质、降噪和回弹好的发泡材料, 设计了正交实验优化工艺, 得到最佳工艺为:发泡液黏度1500 mPa·s, 树脂液、表面活性乳化剂、正戊烷发泡剂、固化剂质量配比为50:2:16:4, 微波加热60 s, 制得密度5 kg·m^-3的密胺泡沫。

关键词: 密胺泡沫, 工艺优化, 微波加热, 降噪系数, 压缩回弹率

Abstract:

The mechanism of preparing thermoset foam from melamine and formaldehyde as raw materials was illustrated in analyzing the variations of infrared spectroscopy and viscosity as well foam microstructure. Physical foaming occurred with crosslinking solidification resulting in different foams in hole size and length-radius ratio with different conditions. Process parameters were optimized through orthogonal experiments for light, noise-reducing and good compression resilient foam material. The optimal melamine foam with density of 5 kg·m^-3 was obtained after 60 s microwave heating resin solution with viscosity of 1500 mPa·s including resin, emulsifier, n-pentane foaming agent and formic acid solidifier in weight ratios of 50:2:16:4.

Key words: melamine formaldehyde foam, process optimization, microwave heating, noise reduction coefficient, compression resilence

中图分类号:

TQ328.06

张学丽, 王克俭, 蒋洪罡, 苏正涛, 苑会林. 轻质密胺泡沫制备工艺优化[J]. 化工学报, 2015, 66(S1): 343-348.

ZHANG Xueli, WANG Kejian, JIANG Honggang, SU Zhengtao, YUAN Huilin. Process optimization of preparing melamine formaldehyde foam[J]. CIESC Journal, 2015, 66(S1): 343-348.

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轻质密胺泡沫制备工艺优化

Process optimization of preparing melamine formaldehyde foam

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