以溶剂A和N-甲基吡咯烷酮的混合物为萃取剂,对催化裂化柴油进行了脱色精制研究。
Refining method with solvent mixed A with N-methyl pyrrolidone was used to decolor the FCC diesel oil.
探讨了聚乙烯吡咯烷酮浓度,羧甲基淀粉钠用量对法莫替丁分散片崩解的影响及不同介质对其溶出的影响。
Famotidine dispersible tablets were prepared. The influence of PVP concentration, sodium starch glycolate quantity and different medium on disintegration and dissolution rate is discussed.
本文以聚矾和磺化聚砜共混物为膜材料,二甲基乙酰胺为溶剂,聚乙烯吡咯啉酮和邻苯二甲酸二甲酯为添加剂配制纺丝液,纺制外压中空纤维超滤膜。
This paper reported the preparation of hollow fiber UF membrane, using PS and SPS as membrane spinning materials, DMA as solvent, PVPand dimethyl phthalate as additives.
实验表明N—甲基吡咯烷酮综合传热性能优于萘,可望作为中温热管工质使用。
This indicates that N-methyl pyrrolidone is superior to naphthalene in comprehensive heat transfer performance and is suitable to be used in moderate-temperature heat pipe.
本发明同时提供了一种用于该针织浸渍PU手套生产工艺的溶剂,由聚氨酯树脂和甲基吡咯烷酮按比例配制。
The invention also provides a solvent for the production process of knitted impregnated PU gloves, which is prepared from polyurethane resin and methyl l pyrrolidone according to a certain proportion.
共聚物在N,N-二甲基酰胺(DMF)、二甲基亚砜(DMSO)、N-甲基-2-吡咯烷酮(NMP)等极性溶剂和浓H2SO4中有良好的溶解性。
The copolymers show good solubility in N, N-dimethylformamide (DMF), dimethyl sulphoxide (DMSO), N-methyl-2-pyrrolidone (NMP) and some inorganic acids like H2SO4.
结果:优选的最佳处方为微晶纤维素20%、交联聚乙烯吡咯烷酮6%、羧甲基淀粉钠5.5%和聚乙烯吡咯烷酮8%。
RESULTS:The optimized formulation was composed of microcrystalline cellulose 20%, cross-link polyvinyl pyrrolidone 6%, sodium carboxymethyl starch 5.5% and polyvinyl pyrrolidone 8%.
对比了n甲基2吡咯烷酮与常用锂电池有机溶剂的性能。
A comparison is made of the performances between N-methyl-2-pyrrolidone and commonly-used organic solutions in lithium batteries.
对比了n甲基2吡咯烷酮与常用锂电池有机溶剂的性能。
A comparison is made of the performances between N-methyl-2-pyrrolidone and commonly-used organic solutions in lithium batteries.
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