...摩尔比以及第1阶段摩尔比保持不变的条件下,通过改变反应原料用量,即三聚氰胺与尿素的用量,合成了一系列三聚氰胺-尿素-甲醛(MUF)共缩聚树脂,利用电喷雾电离质谱仪(ESI-MS)对合成的不同MUF共缩聚树脂的分子量分布情况进行了表征。
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三聚氰胺尿素甲醛树脂 Melamine urea-formaldehyde resin
用热机械分析(TMA)方法研究了三聚氰胺-尿素-甲醛树脂固化初期胶层粘度的变化。
Viscosity change of melamine urea formaldehyde glue line was investigated with a thermo mechanical analyzer (TMA) used as a parallel plates rheometer.
含胺基或氨基树脂是尿素或三聚氰胺和甲醛烷基化反应产品。
An amine or amino resin is the alkylated reaction product of urea or melamine and formaldehyde.
以磺化三聚氰胺和尿素为单体,在酸催化下,合成磺化三聚氰胺尿素甲醛树脂。
With sulfonated melamine and urea as monomers and acids as catalysts, the synthesis of sulfonated melamine urea formaldehyde resin is carried out.
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