均苯四甲酸二酐,简称均酐,纯品为白色或微黄色结晶。暴露于潮湿空气中会很快吸收空气中的水分而水解成均苯四甲酸。溶于二甲基亚砜、二甲基甲酰胺、丙酮等有机溶剂,不溶于乙醚、氯仿和苯。主要用作作聚酰亚胺的原料,用于制造环氧树脂的固化消光剂及聚脂树脂的交联剂。
均苯四甲酸二酐; 重力热管换热器; 应用;
Pyromellitic Dinahydride Anhydride; Gravity Heat Pipe Heat Exchanger; Application;
该均苯四甲酸二酐具有在运输、储存和使用期间不会引起堵塞等的粒子性 质。
The pyromellitic dianhydride has particle properties not causing plugging, etc. during its transportation, storage and use.
介绍了重力热管换热器的工作原理、结构和传热特性,以及重力热管换热器在均苯四甲酸二酐生产中的应用情况。
The working principles, structure, and heat transfer characteristics of the gravity heat pipe heat exchangers, and their application in production of pyromellitic dianhydride anhydride were presented.
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