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- phthalic anhydrade 邻苯二甲酸酐
- 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。
- Suitable anhydrides for use in this process include phthalic, maleic, and succinic. 适用于本法的酸酐有苯二甲酸，马来酸及琥珀酸的酸酐。
- Raw materials of synthetic fibre: phthalic acid, acrylonitrile, caprolactam, nylon 66 salt, etc. 合成纤维原料:精对苯二甲酸、丙烯腈、己内酰胺、尼龙66盐等。
- 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。
- Some phthalic esters are precedent-controlled harmful pollutants to the Environmental Protection Agency(EPA). 其中一些属于美国国家环保局(EPA)优先控制的环境激素类污染物.
- 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。
- In this paper,the development of the analysis methods of phthalic acid esters has been introduced in details. 本文详细介绍了国内外邻苯二甲酸酯类增塑剂检测方法的研究进展。
- In this paper, the development of the analysis methods of phthalic acid esters has been introduced in details. 摘要本文详细介绍了国内外邻苯二甲酸酯类增塑剂检测方法的研究进展。
- 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
- In this articls,the monitoring method of phthalic acid ester in air was established by gas chromatography. 本文通过气相色谱法建立了大气中邻苯二甲酸酯的监测方法。
- 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。
- SIPM wassynthesised by sulphonate,esterification,salinization from m phthalic acid,the overyield is82 6% . 以间苯二甲酸为原料,经磺化,酯化,盐析得98%25含量的间苯二甲酸二甲酯5磺酸钠,总收率826%25。
- Thermosetting resin, obtained as reaction product from glycerol and phthalic acid. 热固性树脂。是丙三醇（甘油）和笨二酸（酞酸）起化学反应的产品。
- 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。
- 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。
- 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。
