摘要
本文介绍了用三聚氰胺如ＰＶＡ改性脲醛树脂的合成新工艺，并对改性机理及采用多次投脲的配比等问题进行了讨论。
A new synthetic methodology of modified urea--formaldehyde resin via melamine and PVA was introduced ; bodes,the mechanism of modifying and the rations of multiple addins urea were discuss.
出处
《湖北科技学院学报》
1994年第4期40-42,共3页
Journal of Hubei University of Science and Technology
关键词
脲醛树脂
耐水性
耐老化性
Urea-formaldehyde resin
water-proofness
ageing-proofness
