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- Keywords Benzoylbenzoic acid Phthalic anhydride Benzene Aluminum Choride anhydrous Catalytic synthesis; 邻苯甲酰苯甲酸;邻苯二甲酸酐;苯;无水三氯化铝;催化合成;
- acid phthalic anhydride 酞酐
- Alkyd resins were prepared from maleopimaric acid(MPA)which consists of maleic and rosin instead of phthalic anhydride. 采用松香和顺酐反应合成的马来海松酸(MPA)代替苯酐制备醇酸树脂涂料。
- Maleic anhydride is the important organic chemical material, is the third largest acid anhydride behind the phthalic anhydride and acetic anhydride. 顺丁烯二酸酐,简称顺酐或者马来酐,是重要的有机化工原料,是仅次于苯酐和醋酐的第三大酸酐。
- The synthetic processes of phthalic anhydride diglycol ester using sulfuric acid and methyl benzene sulfonic acid as catalysts,respectively,were investigated. 讨论了邻苯二甲酸酐一缩二乙二醇酯的合成工艺,分别以硫酸和对甲基苯磺酸为催化剂合成邻苯二甲酸酐一缩二乙二醇酯。
- It is shown that the catalyst SO 2-_4/Zr-HMS possesses the structure of HMS and with the acid strength by -13.75(H_0). The catalytic activity of SO 2-_4/Zr-HMS in the esterification of phthalic anhydride with butanol is higher than that of SO 2-_4/ZrO_2. 结果表明 ;经过一系列处理后制得的 SO2 -4 / Zr-HMS催化剂具备 HMS中孔分子筛的结构特征 ;其酸强度可达 H0 =-1 3 .;75
- Cobalt phthalocyanine and iron phthalocyanine as guest molecules have been prepared in situ in the layered phosphotoantimonic acid with an excess of phthalic anhydride, carbamide and some additives. 采用苯酐尿素在位合成新途径进行金属酞菁配合物嵌接式层状锑磷酸材料的合成制备工作。
- Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride. 用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢。
- Process for synthesizing dimethyl phthalate(DMP) for phthalic anhydride and methanol has developed. 研究以苯酐、甲醇为原料合成邻苯二甲酸二甲酯的方法。
- EBE monitored control system is an assistant to operator of 2000 TPY phthalic anhydride plant. EBE监视系统是 2 0 0 0t/a苯酐装置操作人员的有力助手
- The reaction adopted strong-acid cation exchange resin catalysed phthalic anhydride and butyl alcohol. 采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应。
- Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23. 以氯苯和邻苯二甲酸酐为起始原料,经四步工序合成马吲哚,总收率为23.4%25。
- Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%. 以氯苯和邻苯二甲酸酐为起始原料,经四步工序合成马吲哚,总收率为23.4%25。
- A widely used durable synthetic resin derived from glycerol and phthalic anhydride. 醇酸树脂从丙三醇和酞酸酐中提炼出的一种应用范围很广的耐用合成树脂
- The flow sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced. 介绍了苯酐装置系统中增加部分冷凝器的流程,操作讨论了加部分凝冷器前后的经济效益。
- Cetyl phthalate was prepared from phthalic anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst. 以苯酐与十六醇为原料,选用非酸催化剂,在实验室合成了增塑剂邻苯二甲酸双十六烷基酯。
- Objective: To study the effects of Phthalic Anhydride on the worker's health Methods: Present survey. 目的:研究邻苯二甲酸酐对工人健康的影响。方法:现况调查。
- Any of a group of chemical compounds formed by a reaction of phthalic anhydride with a phenol,from which certain synthetic dyes are derived. 酞一组化合物之一,由邻苯二甲酸酐和酚反应而成,某些合成染料是由此提取的
- Any of a group of chemical compounds formed by a reaction of phthalic anhydride with a phenol, from which certain synthetic dyes are derived. 酞一组化合物之一,由邻苯二甲酸酐和酚反应而成,某些合成染料是由此提取的
- Carboxylic crosslinked polystyrene(PS-COOH) microsphere has been prepared by Friedel-Crafts acylation with phthalic anhydride. 选用邻苯二甲酸酐以傅克酰基化反应制备了聚苯乙烯(PS)羧基化弱酸性离子交换树脂。