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- hydrogenated pyromellitic anhydride 氢化均苯四甲酸二酐
- Keywords gar-chromatography;pyromellitic anhydride;esterification; 气相色谱法;均苯四甲酸二酐;酯化;
- pyromellitic anhydride 1,2, 4,5-苯四酸酐
- 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. 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。
- Influence of pH on Yield of DPT Prepared Without Acetic Anhydride. 非醋酐法合成DPT与pH值的关系
- Subject to control the chemicals acetic anhydride, ephedrine etc. . 受管制化学品乙酸酐、麻黄碱等.
- Hexahydro-4-methylphthalic anhydride, mixture of cis an... 询价 六氢-4-甲基邻苯二甲酸酐;
- Pyromellitic Dinahydride AnhYdride 均苯四甲酸二酐
- Add the crystalline dihydrate(5g)to acetic anhydride(10??in a beaker. 向盛有10?蟠姿狒?的烧杯内加入5g二水合物结晶。
- N-phenyl maleimide was synthesized from maleic anhydride and aniline. 摘要以顺酐和苯胺为原料,合成N-苯基马来酰亚胺。
- The kinetics of esterification of linalool with acetic anhydride was studied. 研究了芳樟醇与乙酸酐酯化反应动力学。
- A polyamide imide was synthesized from trimelltic anhydride and di isocyanate. 本文用偏苯三酸酐和二异氰酸酯合成了一种新型聚酰胺酰亚胺。
- A copolymer has been synthesized from acrylic acid and maleic anhydride. 以丙烯酸和马来酸酐为原料合成出了一种共聚物。
- Poly(PEG(1)-adipic anhydride(2)) was synthesized by melt polycondensation. 采用熔融缩聚法合成了PEG(1)-己二酸酐(2)聚合物。
- OBJECTIVE To study the feasible synthesis method of poly-sebacic anhydride. 目的研究聚癸二酸酐适宜的合成方法。
- The endo anhydride method is the main process in chemical synthesis today. 化学合成法中的内酐法为现阶段的主要生产方法;
- Objective It is to synthesize and characterize the poly(pyromellitic acid-dodecanediol) ester. 目的合成聚均苯四甲酸十二烷二醇酯,并对其进行表征。
- Acid and anhydride functionalized PP, PE and EVA forms are available. 酸或者酸酐功能化PP、PE和EVA等形式都是有的。
- Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized. 以氯化亚矾及均苯四甲酸酐为主要原料通过酰氯法合成了对位均苯二甲酯二酰氯。
- The poly(urethane-imide) (PUI) which uses isophorone diisocyanate, dispersed red 19 (DR-19), and pyromellitic dianhydride is synthesized. 以异佛尔酮二异氰酸酯,分散红-19和均苯四甲酸二酐合成聚氨酯-酰亚胺(PUI);