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1)  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。
2)  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。
3)  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.
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%。
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)  1-Methyl-5-Pyrrolidinone
N-甲基-a-吡咯烷酮
6)  N-methyl pyrrolidone-free
无N-甲基吡咯烷酮
补充资料:N-甲基吡咯烷酮
分子式  C5H9NO
分子量  99.1322
CAS号  872-50-4
   性质  无色透明油状液体,微有胺的气味。熔点-24.4℃。沸点203℃;150℃(30.66kPa);135℃(13.33kPa);81~82℃(1.33kPa)。闪点95℃。相对密度1.0260(25/25℃)。折射率nD(25℃)1.486。粘度(25℃)1.65mPa·s。能与水、醇、醚、酯、酮、卤代烃、芳烃互溶。挥发度低,热稳定性、化学稳定性均佳。
   用途  用作溶剂及萃取剂
  毒性   对皮肤有轻度刺激作用,但未见吸收作用。由于蒸气压低,一次吸入的危险性很小。但慢性作用可致中枢神经系统机能障碍,引起呼吸器官、肾脏、血管系统的病变。小鼠吸入本品蒸气2小时,浓度为0.18~0.20mg/L,可对上呼吸道及眼睛产生轻度的刺激。小鼠灌胃LD50为5200 mg/kg,大鼠灌胃LD50为7900mg/kg。 工作场所最高容许浓度100mg/m3。 现场操作人员应戴口罩、防护眼镜及手套。 
  包装储运  本品化学性质不活泼,除铜外,对其他金属如碳钢、铝等无腐蚀性。采用镀锌铁桶包装,每桶50kg或100kg。按一般化学品规定贮运。 
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