1) 3,4,-tetracarboxydiphthalic ether dianhydride
3,4,4-二苯醚四甲酸二酐
2) 4,4'-tetracarboxydiphthalic
4,4'-二苯醚四甲酸二酐
1.
3,3',4,4'-tetracarboxydiphthalic ether dianhydride(ODPA) is an important material of high performance synthetic polyimide engineering plastic.
3,3’,4,4’-二苯醚四甲酸二酐(简称单醚酐)是合成高性能聚醚型聚酰亚胺工程塑料的重要原料。
3) ODPA
二苯醚四甲酸二酐
1.
The paper reviewed the applications and the synthesis methods oftetracarboxydiphthalic ether dianhydride (ODPA), and the method of preparation in solution Was introduced in details.
本文全面介绍了二苯醚四甲酸二酐(ODPA)的用途和合成方法,并重点对使用溶剂制备ODPA的方法进行了介绍。
2.
In this paper, the synthesis methods of tetracarboxydiphthalic ether dianhydride (ODPA)was introduced, which was prepared with 4-chlorophthalic anhydride.
本文介绍了以4-氯代苯酐为原料,采用1,2,4-三氯苯作溶剂制备二苯醚四甲酸二酐(ODPA),并讨论了不同催化剂及其加量、反应时间和提纯工艺对ODPA产率的影响。
4) diphenylether-3,3',4,4'-tetracarboxylic acid dianhydride
二苯醚-3,3',4,4'-四甲酸二酐
5) Pyromellitic dianhydride
均苯四甲酸二酐
1.
Recycle of pyromellitic dianhydride from waste of production;
均苯四甲酸二酐生产中废料的回收利用
2.
Pretreatment of high concentration pyromellitic dianhydride production wastewater by Fenton reagent
Fenton试剂预处理高浓度均苯四甲酸二酐生产废水的研究
3.
The uses and manufacture processes of pyromellitic dianhydride in coatings industry,such as durene process,alkylation process of 1,2,4-trimethylbenzene and carbon monoxide process were briefly introduced.
简述了均苯四甲酸二酐在涂料工业中的主要用途。
6) Pyromellitic anhydride
均苯四甲酸二酐
1.
Trimellitic anhydride and o-phthalic anhydride are the mainly by-products in the producing process of pyromellitic anhydride.
均苯四甲酸二酐产品中主要含有偏苯三酸酐、苯酐等副产。
补充资料:3,3ˊ,4,4ˊ-四羧酸二苯醚
分子式:
CAS号:
性质:白色结晶。熔点222~232℃。由苯酐经酰亚胺化、硝化、醚化、水解、酸化而制得。用作有机合成原料。
CAS号:
性质:白色结晶。熔点222~232℃。由苯酐经酰亚胺化、硝化、醚化、水解、酸化而制得。用作有机合成原料。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条