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。
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。
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。
应用推荐