环氧树脂先与三聚氰胺和脲在一定条件下反应，然后再与甲醛反应。
First, epoxy resin reacts with melamine and urea under certain conditions, and then the product reacts with formaldehyde.
对脲-三聚氰胺-甲醛树脂改性白乳胶进行了研究。
The modified PVAc emulsion adhesive with Urea melamine formaldehyde(UMF) resin is studied.
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。
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。
Melamine, urea and formaldehyde underwent hydroxymethylation and etherification to yield a composed resin glue of methyl-etherified hexahydroxy methylmelamine and methyl-etherified hydroxymethylurea.
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