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- Zhong L, Huang Y Y.Preparation of benzophenone by phosgenation [J ].Modern Chemical Industry,1998(7):32-33. [3]钟立;黄幼援.;光气路线制备二苯甲酮的研究[J]
- Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine. 甲苯二异氰酸酯(TDI)是异氰酸酯化合物中应用最广泛的品种之一,其工业生产主要采用胺光化法。
- In this paper, the THz and infrared spectrum of Phosgen and Lewisite and Sarin are calculated by the Gaussian theory. 摘要用高斯软件对光气、路易氏气、沙林等的红外光谱和太赫兹光谱进行了理论模拟。
- Processes of producing HDI are simarized. Techniques of phosgenation and thermal decompositionare important. Factors influencing phosgenation are discussed in detail. 综述了六亚甲基二异氰酸酯(HDI)的制备方法,主要有光气化法和热分解法。对光气化法若干工艺因素加以讨论。
- Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57. 以双氰胺钠和糖精为起始原料,经过开环、光气化、缩合等一系列反应制备了苯磺隆,合成反应的总收率可达57。
- Isocyanate is a kind of important organic synthetic material, its synthetic methods primarily contain phosgenation, nitrobenzene carbonyl, dimethylcarbonate and other methods. 摘要异氰酸酯是一种重要的有机合成材料,它的合成方法主要有光气法、硝基苯羰化、碳酸二甲酯法等;
- Three methods including phosgenation, transesterification and oxidative carbonylation for synthesizing DPC were introduced.The latter two methods were described in detail. 主要介绍了碳酸二苯酯的三种合成方法,即光气法、酯交换法和氧化羰基化法,其中对酯交换法和氧化羰基化法进行了详细的阐述。
- Isocyanate is a kind of important organic synthetic material, its synthetic methods primarily contain phosgenation, dimethylcarbonate, nitrobenzene carbonyl and other methods. 异氰酸酯是一种重要的有机合成材料,它的合成方法主要有光气法,碳酸二甲酯法,硝基苯羰化等;
- Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.0% and product purity of 95.6%. 以双氰胺钠和糖精为起始原料,经过开环、光气化、缩合等一系列反应制备了苯磺隆,合成反应的总收率可达57.;0%25以上,纯度可达95
- A gas chromatography with n-tridecane as the interal strandard was used for determing n-octyl-chloroformate,a kind of phosgenation product.The method is simple and precise, cost is low. 采用气相色谱法,以正十三烷为内标物,对光气化产品氯甲酸正辛基酯进行测定,该法简便、快速,精密度好,准确度高,且分析成本低。
- Keywords toluene diisocyanate;phosgenation;process;contrast; 甲苯二异氰酸酯;光气化;流程;比较;
- Keywords: IPDI, Curing agent, Phosgenation method, Nonphosgenation method, 关键词:IPDI,固化剂,光气法,非光气法
- Keywords IPDI;Curing agent;Phosgenation method;Nonphosgenation method; 固化剂;光气法;非光气法;
- Study on Synthesis of Red Base GL by the Phosgenation Process 刘振华, 相转移催化法合成1,4-二(4'-甲基苯氧基)丁烷
- Discussion on the Chemistry in MDI Production Process by Phosgenation of Polyamines 多胺光气化制MDI过程中化学问题的探讨
- Keywords Hexamethylene diisocyanate Phosgenation Thermal decomposition Mono-isocyanate chloride Hydrolysable chlorine; 六亚甲基二异氰酸酯;光气化;热分解;单异氰酸酯氯化物;水解氯;
- Keywords cyclohexane diisocyanate;polyurethane elastomer;phosgenation;non phosgenation; 环己烷二异氰酸酯;聚氨酯弹性体;光气法;非光气法;
- Keywords isocyanate;phosgenation reaction;parallel-series reaction;feed-in method; 异氰酸酯;光气化反应;连串-平行反应;进料方式;
- Keywords diphenyl carbonate;purification;phosgenation;transesterification;oxidative carbonylation; 碳酸二苯酯;提纯;光气法;酯交换法;氧化羰化法;
- Keywords MDI;Homehold Electric Appliances;Polyurethane;Phosgenation;Isocyanates; 家用电器;保温隔热;聚氨酯;光气化;异氰酸酯;