1)  phthalic anhydride
苯酐品质
1.
Influential factors upon free acidity, melt colority and heat stability colority of phthalic anhydride were studied by experiments of phthalic anhydride product storage, quality analysis of phthalic anhydride distillate, effects of impurities on phthalic anhydride colority, and lab tests of phthalic anhydride catalysts.
通过苯酐存放、馏出口苯酐品质分析 ,杂质对苯酐熔融色号和热稳定性色号的影响及苯酐催化剂实验室应用等试验 ,对影响苯酐的游离酸值、熔融色号、热稳定性色号等品质指标的因素进行了研究。
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)  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
4)  phthalic diamide
苯酐
5)  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。
6)  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。
参考词条
补充资料：△4-1,2,3,6-四氢化酞酐、△4-四氢苯酐
分子式：
CAS号：

性质：又称△4-1,2,3,6-四氢化酞酐、△4-四氢苯酐。白色结晶性粉末。熔点103～104℃(顺式)，闪点157℃，相对密度1.20。微溶于石油醚、乙醚，溶于乙醇、丙醇、氯仿和苯。遇水分解成酸。具腐蚀性。用熔融的顺丁烯二酸酐与丁二烯在苯存在下进行双烯加成反应制得。作为有机合成中间体，用于制取农药克菌丹、敌菌丹；也用作环氧树脂的固化剂、增塑剂及不饱和聚酯树脂、无溶剂漆的胶黏剂。

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