“一步法”合成脲醛胶粘剂贮存稳定性的研究  

Storage Stability of Urea-formaldehyde Adhesive Synthesized by One-Step Method

作　　者：李新法[1] 王倩[1] 牛明军[1] 陈金周[1] 杨柯[1] 杨进元[1] 沈百栓[1] 

机构地区：[1]郑州大学材料工程学院,济南郑州450052

出　　处：《化学与粘合》2004年第5期273-275,共3页Chemistry and Adhesion

摘　　要：采用"一步法"合成新工艺制备了脲醛胶粘剂,并重点讨论了尿素/甲醛摩尔比、催化剂、pH值、初始粘度和填料等对脲醛胶粘剂贮存稳定性的影响。实验结果表明:一步法合成脲醛胶粘剂合成工艺简单,工艺控制容易,粘接强度高,游离甲醛含量低,贮存稳定性优良,具有广阔的应用前景。In this work, urea-formaldehyde resin adhesives were prepared with one-step synthetic method.The effect of the U/F ratio,catalysts,value of pH,initial viscosity and fillers on the storage stability of the UF resin adhesives were investigated.The experiment results showed that this synthetic technology was simple and the comprehensive properties,especially the room temperature storage stability of the adhesives were excellent.

关 键 词：脲醛胶粘剂 贮存稳定性 “一步法” 合成 热固性树脂胶粘剂 

分 类 号：TQ433.431[化学工程]