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- Methods This preparation of tetrafluorophthalic acid started from tetrachlorophthalic anhydride and underwent amidation,fluorination and hydrolysis. 方法以四氯苯酐为原料,经酰亚胺化、氟化、水解得四氟邻苯二甲酸。
- Tetrachlorophthalic anhydride was synthesized with phthalic anhydride as raw material, compounded iodine as catalyst by direct separation of crystal from solvent on the basis of solvent method. 在溶剂法基础上,以苯酐为原料,复合碘作催化剂,产品直接结晶分离的方法合成四氯邻苯二甲酸酐。
- tetrachlorophthalic tetrachlorophthalic anhydride 四氯邻苯二甲酸酐; 四氯酞酸酐
- tetrachlorophthalic tetrachlorophthalic anhydrid 四氯邻苯二甲酸酐; 四氯酞酸酐
- Discussion on the pilot test of synthesizing tetrachlorophthalic anhydride 合成四氯苯酐的中试探讨
- Optimum conditions for the synthesis of tetrachlorophthalic anhydride synthesis 合成四氯苯酐最佳工艺条件的选择
- Improvement in Synthesis of Tetrachlorophthalic Anhydride by Solvent Method 溶剂法合成四氯苯酐工艺的改进
- tetrachlorophthalic anhydride 四氯酞酸酐
- 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；
- 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;
- 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。
