1) phthalic anhydride
苯酐
1.
Transformation of 20,000 t/a phthalic anhydride device rectification vacuum system;
2万t/a苯酐装置精馏真空系统的改造
2.
The application in phthalic anhydride production of BASF R-HYHL-IV catalyst is visited for the first time;
BASFR-HYHL-IV催化剂在苯酐生产中的应用初探
2) benzoic anhydride
苯酐
1.
Synthesize and characterize on benzoic anhydride polyester polyol for the thermoplastic polyurethane;
热塑性聚氨酯用苯酐聚酯多元醇的合成及表征
2.
Magnesium monoperoxyphtbalate is composed using benzoic anhydride,magnesium oxide and hydrogen peroxide.
以苯酐、氧化镁和双氧水为原料,研究了均匀设计在单过氧邻苯二甲酸镁合成中的应用,考察了苯酐与氧化镁的摩尔比、反应温度和反应时间对单过氧邻苯二甲酸镁合成的影响,确定了最佳反应条件。
3.
The results show that benzoic anhydride polyester polyol can satisfy the application of polyurethane adhesives when reaction temperature is 250℃, molar ratio of alcohol to acid is 1.
以苯酐、二甘醇、新戊二醇为原料,合成了苯酐聚酯多元醇。
3) biphenyltetracarboxylic dianhydride
联苯二酐
4) phthalic anhydride method
苯酐法
1.
The toluene method and the phthalic anhydride method were discussed emphatically.
对糖精钠四种生产工艺进行了论述,并着重阐述了甲苯法和苯酐法两种工艺,对两种工艺从产品收率、产品质量、污染及治理等方面进行了评述。
2.
Many methods for preparation of anthraquinone such as phthalic anhydride method, oxidation method and naphthaquinone method and so on were compared.
综述了重要中间体蒽醌的应用以及传统工业生产方法,评价了苯酐法、氧化法及萘醌法等各种方法的优缺点。
5) chlorophenylanhydride
氯代苯酐
1.
A series of chloro-1,4-dihydroxyanthraquinones were synthesized by the reaction of hydroquinone with chlorophenylanhydrides and anhydrous aluminium chloride as catalyst according to Friedel-Crafts reaction.
以多种氯代苯酐和对苯二酚为起始原料、无水三氯化铝为催化剂,通过Friedel-Crafts反应合成了多种氯代-1,4-二羟基蒽醌,利用UV-Vis、IR和1HNMR等对制得的化合物进行了结构表征。
6) benzene bitter wine-urea
苯酐-尿素
1.
This paper has studied the phthalocyanin complex of Cobalt synthesized by benzene bitter wine-urea law,and after depuration,an infrared, ultra-violet spectrograph determination is carried.
文章主要研究了苯酐-尿素法合成酞菁钴、经提纯并对其进行红外、紫外光谱测定、合成及表征结果表明,红外光谱表征推测结构可靠,紫外光谱分析表明有特征吸收峰之处。
2.
This article studies the synthesis of phthalocyanin complex of Cobalt by benzene bitter wine-urea.
本文研究了苯酐-尿素法合成酞菁钴、经提纯并对其进行红外、紫外光谱测定。
补充资料：苯酐
分子式C8H4O3，分子量148.11。俗称苯酐，白色针状晶体。熔点130.5℃，沸点284.5℃。密度1.527g/cm3，易升华。稍溶于冷水，溶于热水并水解成邻苯二甲酸。溶于乙醇。苯和吡啶，微溶于乙醚。是重要的化工原料，用于制染料、聚酯树脂、醇酸树脂、增塑剂、涤纶和药物等；邻苯二甲酸酐与苯酚缩合生成酚酞，是常用的酸碱指示剂。可由邻二甲苯在五氧化二钒存在下于480℃时氧化，或将萘用酸性重铬酸盐氧化制得。
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