This paper approaches the effect of molar ratio of formaldehyde to urea before polycondensation on properties of UF-Resin and puts forward the best reaction of molar ratio in the resin production.
本文探讨了缩聚前甲醛与尿素的摩尔比对脲醛树脂性能的影响，并提出树脂生产的最佳反应摩尔比。
2
The effect of modified hide glue agent on the bonding property of urea-formaldehyderesin was studied to improve the application performance of UF resin.
研究了化学改性皮胶加入脲醛（UF）树脂对胶合性能的影响，旨在提高普通脲醛树脂应用性能。
3
The effect of modification of urea-formaldehyde(UF) resin and production technology of plywood on the amount of formaldehyde emission were studied.