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.
在这一过程中,N-二甲基甲酰胺是其副产物。
主营产品二甲基甲酰胺在珠三角具有价格上的绝对优势。
Main Products dimethylformamide in the Pearl River Delta has the absolute advantage of prices.
研究工作场所环境空气中二甲基甲酰胺、十一烷和丁酮混合物一次吸附、一次分离的定量分析方法。
Objective To study the analysis method of samples including a combination of dimethylformamide, undecane and butanone in the air of workshop.
本文研究了以0.5M溴化钠为支持电解质、N, N—二甲基甲酰胺(DMF)为溶剂的体系中电解法合成二茂铁的主要条件。
In the paper primary conditions of electrolytical synthesis of ferrocene were studies in this system, 0.5m NaBr used as supporting electrolyte, N. N-dimethylformamide (DMF) as solvent.
采用N, N -二甲基甲酰胺(DMF)为溶剂,以氟树脂为疏水助剂,制备聚偏氟乙烯(pvdf)膜。
Polyvinylidene fluoride (PVDF) membrane was made by n, N-dimethylformamide (DMF) as the solvent and fluoride resin as the hydrophobic agent.
然后利用相似相溶原理选择了四种有机溶剂进行剥离实验:丙酮、二甲苯、二甲基甲酰胺及乙酸乙酯。
Then, chose acetone, ethyl acetate, xylene and dimethylformamide according to solubility parameter close principle as solvents to dissolve coating finishing agents.
目的研究二甲基甲酰胺(DMF)对男工生殖内分泌机能影响。
Objective to investigate the reproductive endocrine effects on male workers exposed to n, N-dimethylformamide (DMF).
以n, N -二甲基甲酰胺为溶剂合成单硬脂酸甘油酯。
Glycerin monostearate was prepared by using n, N-dimethylformamide (DMF) as solvent.
例如,水、二甲基亚砜、二甲基甲醛和二甲基乙酰胺。
For example, water, dimethyl sulfoxide, dimethylformaldehyde, and dimethylacetamide are used.
理化性质:白色结晶性粉末、溶于水、稀醇、液氨和二甲基甲酰胺,而不溶于乙醇、醚和丙酮。
Characters: White crystalline powder, soluble in water, dilute alcohol, liquid ammonia and dimethylformamide, and not soluble in ethanol, ether and acetone.
对二甲基二烯丙基氯化铵与丙烯酰胺的共聚物PDA在合成、分析和应用方面的研究进展进行了综述。
The research progress in the preparation, analysis and application of the copolymer poly-dimethyldiallylammonium chloride-acrylamide(PDA)was reviewed in this paper.
试验发现,溶剂n, N-二甲基甲酰胺(DMF)的萃取效果优于二甲亚砜、乙腈及甲醇。
The extraction results showed that among the solvents, n, N-dimethylformamide (DMF) was better than dimethyl sulfoxide, ethyl cyanide and methanol.
二甲基甲酰胺法丁二烯抽提装置对裂解原料中C_5含量有严格要求。
The content of C_5 was strictly limited in butadiene extraction unit using dimethylformamide (DMF) process.
排出的含有二甲基甲酰胺溶剂的空气或惰性气体被连续送到回收系统,通过冷却或吸收的方式被回收。 收藏。
Exhaust air or inert gas containing the DMF is continuously sent to a recovery system where the solvent is recovered by condensation or absorption.
采用微波辐射技术,以苯酚、氢氧化钾和氯化苄为原料,N, N -二甲基甲酰胺为溶剂合成了苄苯醚。
Using phenol and benzyl chloride as raw materials and n, N-dimethyl formamide (DMF) as solvent, benzyl phenyl ether was synthesized under microwave radiation.
二甲基甲酰胺(DMF)是一种重要的有机溶剂,被广泛应用于合成革生产、聚丙烯腈抽丝、丁二烯抽提等工艺中。
Dimethylformamide(DMF)is widely used in leather industry, polyacrylonitrile fibre spinning and butadiene extraction craft as an important organic solvent.
采用雾化喷淋技术对干法腈纶生产中回收二甲基甲酰胺(DMF)的填料式淋洗塔进行了改造。
The atomization spray technology was used for transformation of leaching tower of DMF recycle in PAN dry spinning.
利用季铵盐的固色原理,将二甲基二烯丙基氯化铵与丙烯酰胺的聚合物pda应用于绒面革固色。
The quaternary ammonium salt polymer PDA was applied on dye fixation process for pigskin suede leather on the basis of dye fixation principle of quaternary ammonium salts.
本文以二甲基二烯丙基氯化铵与丙烯酰胺为原料,研究了较高相对分子质量PDA干粉的制备工艺。
The synthesis process of a kind of water-soluble cationic copolymer powder-PDA, which was prepared by diallyldimethylammonium chloride (DMDAAC) and acrylamide (AM) was studied in this paper.
首先优化了丙烯酰胺(AM)和二甲基二烯丙基氯化铵(DMDAAC)共聚物的合成条件。
The synthesis conditions of acrylamide(AM) and dimethyl diallyl ammonium chloride(DMDAAC) copolymer are optimized.
二甲基二烯丙基氯化铵(DMDAAC)与丙烯酰胺(AM)的共聚物作为一种水溶性阳离子高分子聚合物广泛用于各种水处理。
The copolymer of dimethyldiallylammonium chloride (DMDAAC)with acrylamide(AM) as a water soluble cationic macromolecular polymer is widely used in water treatment.
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.
选用N,N -二甲基乙酰胺作为反应溶剂后缩短反应时间的同时,得到的盖草能收率高,光学纯度好。
The n, N-dimethyl acetamide is used as the reaction solvent, therefore, the reaction time is shortened, and simultaneously, the obtained Gallant-Super has high yield rate and good optical purity.
介绍了石油化工领域采用的几种优良抽提剂,包括N-甲酰吗啉、二甲基甲酰胺等。
Several kinds of novel extraction solvents were presented which mainly included N - formylmorpholine, dimethyl formamide, etc.
本文研究了过氧化氢在二甲基甲酰胺中的热分解反应,测定了不同温度下的分解速率常数和表现活化能。
The thermal decomposition of hydrogen peroxide in DMF and the polymerization of acrylonitrile initiated by hydrogen peroxide were studied.
易溶于氯仿、二甲基乙酰胺等多种极性非质子有机溶剂。
It is dissolved in many kinds of dipolar aprotic organic solvents such as NMP, DMAc, DMSO, sulfolane.
介绍了一种采用二甲胺代替石灰与氯油反应,在生产氯仿的同时联产N,N-二甲基甲酰胺的新工艺。
In this paper, a new chloroform production process by reaction of chlorinated oil with dimethyl amine instead of lime is introduced, in which N, N- dimethyl methanamide is coproduct.
采用自行设计制造的重氮甲烷发生装置,有效控制了二甲基亚硝基苯磺酰胺的反应用量,减少了有害气体的排放。
By adopting the self-designed diazomethane generating device, the dosage of reaction reagent of diazald was effectively controlled and the harmful gas release was reduced.
用于合成埃坡霉素及其衍生物并经保护的3,5-二羟基-2,2-二甲基-戊酰胺及其制备方法和应用。
Protected 3,5-dihydroxy-2,2-dimethyl-valeroamides for the synthesis of epothilones and derivatives and process for the production and the use.
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