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尿素能合成三聚氰胺
更新时间: 2020-09-10 00:00:00  

不是合成而是在高温的情况下会转化成三聚氰胺

尿素以氨气为载体,硅胶为催化剂;在380-400℃温度下沸腾反应,先分解生成氰酸,并进一步缩合生成三聚氰胺;生成的三聚胺气体经冷却捕集后得粗品;经溶解,除去杂质,重结晶得成品。

关键词: 尿素 合成

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