1) N-Methyl-α-pyrrolidone
N-甲基-α-吡咯烷酮
2) N-Methyl-α-Pyrrolidone(NMP)
N-甲基-α-吡咯烷酮(NMP)
3) N-methylpyrrolidone
N-甲基吡咯烷酮
1.
Isobaric vapor-liquid equilibria for water-acetic-acid-N-methylpyrrolidone;
水-醋酸-N-甲基吡咯烷酮体系等压汽液平衡研究
2.
The processes and technical characteristics of producing butadiene using acetonitrile,N,N′-dimethylformamide,N-methylpyrrolidone as solvents by extractive distillation were presented.
介绍了用N-甲基吡咯烷酮、乙腈、二甲基甲酰胺3种不同溶剂,采用萃取精馏方法生产丁二烯的工艺流程和特点,并介绍了选择性加氢除炔烃技术、分壁式技术。
3.
The vapor-liquid equilibrium model of extractive distillation with N-methylpyrrolidone(NMP)as extractant for separating 1,3-butadiene from C4 fraction were set up by using NRTL equation and UNIFAC group model.
采用NRTL方程和UNIFAC模型计算N-甲基吡咯烷酮(NMP)-C4物系的汽液平衡数据,由实验数据回归得到NRTL方程的二元交互作用参数。
4) N-methyl-2-pyrrolidone
N-甲基吡咯烷酮
1.
Analysis of Influencing Factors of the Production Process of N-methyl-2-pyrrolidone;
N-甲基吡咯烷酮生产工艺影响因素分析
2.
Vapor-liquid equilibrium(VLE) data of isoprene-N-methyl-2-pyrrolidone(NMP) and 1-pentene-NMP binary systems and isoprene-1-pentene-NMP ternary system at atmospheric pressure were measured.
利用气相单循环的小型汽液平衡釜测定了异戊二烯-N-甲基吡咯烷酮(NMP)、1-戊烯-NMP、异戊二烯-1-戊烯-NMP物系的常压(101。
5) NMP
N-甲基吡咯烷酮
1.
New Advances on the Chemical Synthesis & Application of PVP and NMP;
聚乙烯吡咯烷酮和N-甲基吡咯烷酮合成工艺和应用
2.
N-Methylpyrrolidone (NMP) used as solvent for lube oil refining has strong dissolving ability, perfect selectivity, and good environmental protection function.
N-甲基吡咯烷酮溶剂在润滑油精制过程中溶解能力强、选择性好,具有良好的环保性能。
6) N-Methyl pyrrolidone
N-甲基吡咯烷酮
1.
The result shows, the N-Methyl pyrrolidone process has a significant comprehensive advantage, and this technology is recommended for the to-be-built butadiene extraction plant.
结果表明,N-甲基吡咯烷酮工艺技术的综合优势更为明显,推荐新建丁二烯抽提装置采用该技术。
2.
A process for the production of aromatic rubber extending oil was studied by N-methyl pyrrolidone or furfural solvent extraction of vacuum gas oil obtained from Xinjiang mixed crude oil.
以N-甲基吡咯烷酮和糠醛为溶剂,对新疆混合原油的减压馏分油进行了精制,并对此抽出油进行注水、降温沉降研究及芳香烃型橡胶填充油的放大制备试验研究。
3.
The down stream product of y-butyrolactone in China is mainly N-methyl pyrrolidone, accounted for 40% of the total consumption of r-butyrolactone.
我国γ-丁内酯的主要下游产品是N-甲基吡咯烷酮,约占γ-丁内酯总消费量的40％。
补充资料：N-甲基-α-吡咯烷酮
分子式 C5H9NO
分子量 99.13
CAS号 872-50-4
N-甲基吡咯烷酮为无色澄清液体。熔点-24℃,沸点202℃/101.3kPa;84.5℃/1.87kPa;81-82℃/1.33kPa。相对密度d204=1.033;d254=1.027。折光率n20D1.4700;n22D1.4690。闪点92.8℃(闭杯);95.6℃(开杯)。25℃表面张力4.07×10-4N/m,偶极距4.09D。25℃介电常数32.2。蒸汽压0.044kPa(23.2℃);0.667kPa(65℃)。燃烧热;3010.3kJ/mol(液体);532.98kJ/mol(蒸汽),易溶于水、乙醇、乙醚、丙酮、乙酸乙酯、氯仿和苯。
用途;在医药工业中1-甲基-2-吡咯烷酮主要用于制备广谱抗生素头孢吡肟（Cefepine）。其他用途也十分广泛,如用于从润滑油中萃取芳烃;乙炔的回收与精制;气体链烯和二链烯的精制;聚合物溶剂等。
分子量 99.13
CAS号 872-50-4
N-甲基吡咯烷酮为无色澄清液体。熔点-24℃,沸点202℃/101.3kPa;84.5℃/1.87kPa;81-82℃/1.33kPa。相对密度d204=1.033;d254=1.027。折光率n20D1.4700;n22D1.4690。闪点92.8℃(闭杯);95.6℃(开杯)。25℃表面张力4.07×10-4N/m,偶极距4.09D。25℃介电常数32.2。蒸汽压0.044kPa(23.2℃);0.667kPa(65℃)。燃烧热;3010.3kJ/mol(液体);532.98kJ/mol(蒸汽),易溶于水、乙醇、乙醚、丙酮、乙酸乙酯、氯仿和苯。
用途;在医药工业中1-甲基-2-吡咯烷酮主要用于制备广谱抗生素头孢吡肟（Cefepine）。其他用途也十分广泛,如用于从润滑油中萃取芳烃;乙炔的回收与精制;气体链烯和二链烯的精制;聚合物溶剂等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条