低成本蜜胺树脂的制备  

Preparation of low-cost melamine resin

作　　者：周凯[1] 何际芳[1] 

机构地区：[1]南阳理工学院生物与化学工程学院,河南南阳473004

出　　处：《热固性树脂》2014年第5期46-48,59,共4页Thermosetting Resin

摘　　要：采用淀粉对蜜胺树脂改性,研究了淀粉和甲醛用量、pH值及反应温度对蜜胺树脂的稳定性和游离甲醛含量的影响,结果表明,优化的工艺条件如下：淀粉用量2 g,37%甲醛溶液用量25 mL,pH值8.5~9.0,反应温度80℃,产物蜜胺树脂游离甲醛质量分数为1.8%,可在常温下存储近3个月。The melamine resin was modified by starch.The effects of starch dosage, methanal dosage, pH value and reaction temperature on the stability and free formaldehyde amount of melamine resin were investigated. The optimal process conditions were as follows： starch amount 2 g, 37% formaldehyde solution dosage 25 mL, pH value 8.5-9.0 and reaction temperature 80 ℃. The free formaldehyde amount of product melamine resin was 1.8wt% and the resin could be stored at room temperature for nearly three months.

关 键 词：淀粉 蜜胺树脂 稳定性 游离甲醛 

分 类 号：TQ323[化学工程—合成树脂塑料工业]