三聚氰胺脲醛树脂胶黏剂的合成

朱海龙; 吴玉章; 孙伟圣

doi:10.3969/j.issn.1000-2006.2013.01.032

三聚氰胺脲醛树脂胶黏剂的合成

朱海龙,吴玉章,孙伟圣

南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (01) : 173-176.

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南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (01) : 173-176. DOI: 10.3969/j.issn.1000-2006.2013.01.032

研究简报

三聚氰胺脲醛树脂胶黏剂的合成

朱海龙¹,吴玉章^1*,孙伟圣²

作者信息 +

Synthesis of melamine-urea-formaldehyde resin adhesive

ZHU Hailong¹,WU Yuzhang^1*,SUN Weisheng²

Author information +

文章历史 +

摘要

对三聚氰胺脲醛树脂(MUF)的合成工艺进行了探讨和研究。通过调整合成工艺中的缩合温度及缩合时间,并根据甲醛(F)、三聚氰胺(M)、尿素(U)的不同配比,合成了6种MUF,并对其性能进行了检测和分析。工艺研究表明,将缩合温度从60 ℃提高到85 ℃,缩合时间缩短至30 min,所获得的MUF1—MUF5树脂澄清透明,无白色颗粒悬浮物以及沉淀分层现象,只有MUF6仍有一定数量的白色悬浮颗粒。树脂胶合性能测试结果表明:F与(M+U)的物质的量之比较高时树脂的耐水性优于物质量之比较低的树脂; 树脂的胶合强度既与F和(M+U)物质量之比有关,也与M和U的物质的量之比有关,调节好三聚氰胺和甲醛的比例是改善MUF耐水性的关键。

Abstract

Six kinds of the melamine-urea-formaldehyde resin(MUF)were synthesized by adjusting the technology of condensation time and according to the different proportion among the formaldehyde, melamine, urea in this paper. The properties of the resins were detected. The results showed that when the condensation temperature increased from 60 ℃ to 85 ℃, condensation time shorten to 30 min,the resins of the MUF1-MUF5 were clear and transparent without suspended white particles or stratification phenomenon, only MUF6 still had some suspended particle. The results of the bonding performance test showed that the water resistance of the high molar ratio of F/(M+U)were better than that of low molar ratio, the bonding strength was related to the ratio of F/(M+U)and M/U. The key of improving the water resistance of the MUF was to adjust the proportion of the melamine and formaldehyde.

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朱海龙,吴玉章,孙伟圣. 三聚氰胺脲醛树脂胶黏剂的合成[J]. 南京林业大学学报（自然科学版）. 2013, 37(01): 173-176 https://doi.org/10.3969/j.issn.1000-2006.2013.01.032

ZHU Hailong,WU Yuzhang,SUN Weisheng. Synthesis of melamine-urea-formaldehyde resin adhesive[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2013, 37(01): 173-176 https://doi.org/10.3969/j.issn.1000-2006.2013.01.032

中图分类号： TQ433

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基金

收稿日期:2011-12-06 修回日期:2012-05-24
基金项目:科技部国际合作项目(2009DFA32180); 浙江省重大科技专项计划(2011C1005)
第一作者:朱海龙,硕士生。*通信作者:吴玉章,研究员,博士。E-mail: wyz@caf.ac.cn。
引文格式:朱海龙,吴玉章,孙伟圣. 三聚氰胺脲醛树脂胶黏剂的合成[J]. 南京林业大学学报:自然科学版,2013,37(1):173-176.