The storing stability of urea formaldehyde resinadhesive with the change of PH value is researched in attempt to guide the production and imporove the application for products.
对脲醛树脂胶的贮存稳定性随p H值的变化进行研究，以指导生产，提高产品的适用。
2
The three main adhesives for artificial plate are urea-formaldehyde resinadhesive, phenolic-formaldehyde resin adhesive and melamine-formaldehyde resin adhensive.
人造板工业使用的三大胶是脲醛树脂胶、酚醛树脂胶和三聚氰胺-甲醛树脂胶。
3
A new type of phenolic resinadhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.