Melamine, urea and formaldehyde underwent hydroxymethylation and etherification to yield a composed resin glue of methyl-etherified hexahydroxy methylmelamine and methyl-etherified hydroxymethylurea.

三聚氰胺、尿素与甲醛经羟甲基化、醚化反应，生成甲醚化六羟甲基三聚氰胺和甲醚化羟甲基脲复合树脂胶。

youdao

The effect of modified hide glue agent on the bonding property of urea-formaldehyde resin 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。

youdao

The glue employs melamine-resin adhesive, phenolic-resin adhesive and urea-formaldehyde resin adhesive.

胶采用 三聚氰胺树脂胶、酚醛树脂胶、尿醛树脂胶。

youdao