对甲苯法制备己内酰胺精制工艺方法进行了改进。
Three purification processes in producing caprolactam with toluene are introduced.
己内酰胺锦纶化纤废水属于高含氮高浓度有机废水。
The wastewater of hexanolactam (nylon) fiber production in Shijiazhuang Synthetic Fiber manufactory is high concentrated with organic nitrogen compounds.
分析了国内外己内酰胺的生产消费现状及发展前景。
The production, consumption status of caprolactam and its development prospect at home and abroad are analysed.
评述己内酰胺的国内外技术进展、产能和需求现状。
Describe technology progress, capacity and present status of supply and demand of caprolactam at home and abroad.
肟重排反应生成己内酰胺的机理及反应动力学方程。
Beckmann rearrangement reaction is that amide is formed by ketoxime under the condition of acid catalyzer.
研究了在无活化剂存在时己内酰胺的碱性催化聚合反应。
Caprolactam can be polymerized to a high elongation nylon-6 by alkaline catalyst, without ther use of activator.
己内酰胺的价格波动幅度在收窄,与纯苯的价差趋于平稳。
The price fluctuation of caprolactam was narrowed and the difference of price with benzene was tended towards stable.
合成纤维原料:精对苯二甲酸、丙烯腈、己内酰胺、尼龙66盐等。
Raw materials of synthetic fibre: phthalic acid acrylonitrile caprolactam nylon66salt etc.
由于苦参碱是饱和的己内酰胺,要对其结构修饰,具有一定的难度。
It is difficult to be modified due to the saturated structure of Matrine.
介绍了己内酰胺的生产技术新进展,其中绿色生产工艺是今后的发展趋势。
The new production progress of caprolactam are introduced, that green processes are the trend of technological research and development.
介绍了己内酰胺的生产技术新进展,其中绿色生产工艺是今后的发展趋势。
The new production progresses of caprolactam were introduced. It was pointed that green processes were the trend of technological research and development.
发明的三元:(一)一乙烯基酰胺,如聚乙烯吡咯烷酮或乙烯基己内酰胺;
The terpolymers of the invention: (a) a vinyl lactam, such as vinyl pyrrolidone or vinyl caprolactam;
采用三效蒸发-间歇蒸馏技术,从锦纶6生产装置的萃取废水中回收己内酰胺。
A triple effect evaporation intermittent distillation process is used to recover caprolactam in the extraction wastewater from nylon 6 production.
用聚乙二醇与己二酸反应合成聚醚酯,再用聚醚酯与己内酰胺反应得到聚醚酯酰胺。
Poly (ether ester amide) was prepared from caprolactam and poly (ether ester) which was synthesized from polyethylene glycol and adipic acid.
简介了环己酮直接氧化制己内酰胺的发展趋势及尼龙-66生产原料路线的开发动向。
The trends of direct oxidation of cyclohexanone to hexanolactam and developments of different routes in preparation of feed stocks of nylon-66 are also described.
本发明方法适用于以己内酰胺为原料生产高强度尼龙6轮胎帘子线和工程塑料的企业。
The invention is suitable for enterprises which take lactam as a raw material to produce high-strength nylon 6.
介绍了甲苯法生产己内酰胺废液的分离工艺条件、废液中盐的提纯和有机油的利用方法。
The separation process conditions of caprolactam wastewater by manner of toluene is introduced, the purification process for salt in wastewater and the utilization technology for oil is indicated.
建议今后我国应积极采用先进技术扩大生产规模,以从根本上缓解我国己内酰胺的供需矛盾。
It is proposed to adopt advanced technologies to expand the scale of production plants, so as to essentially relieve the contradiction between supply and demand of caprolactam in China.
在己内酰胺生产过程中,环己酮蒸馏塔的作用是利用环己酮与环己醇沸点差异,将二者分离。
The cyclohexanone column was used to separate cyclohexanol and cyclohexanone by the difference of their boiling points in production of hexanolactam.
在聚合反应中形成的副产物——环状低聚物一直是影响切片的己内酰胺消耗的主要因素之一。
One of the main factors which effects the consumption of caprolactam during the flake production is low molecular polymer occurred during production, the by-product of polymerization reaction.
对影响己内酰胺产品价格的主要因素进行了分析;对降低己内酰的成本工艺路线进行了探讨。
The primary factors influencing the price of CPL were analyzed, and the technology how to reduce the production cost was discussed.
确定了模拟喷墨印花最佳墨水配方:染料10%,丙三醇2.5%,己内酰胺4%,二甘醇15%。
So the optimum recipe of ink was settled, that is dye 10%, propanetriol 2.5%, caprolactam 4%, diglycol 15%.
本论文以己内酰胺、尼龙66盐、尼龙610盐、癸二胺、癸二酸等为原料,合成共聚酰胺热熔胶;
Copolyamide hot-melt adhesives were synthesized by caprolactam, nylon 66 salt, nylon 610 salt, decane diamine, sebacic acid, etc.
在己内酰胺水解聚合时加入一定量的可反应型复合胺类改性剂,合成出含有胺类改性剂的尼龙6树脂。
Reactive compound amine modifiers were introduced during the polymerization of caprolactam and the nylon 6 with amine modifiers modified was obtained.
从反应原理、实验难易程度、时间长短、灵敏度等几个方面介绍了己内酰胺定性、定量鉴定的各种方法。
Various methods for the qualitative and quantitative identification of caprolactam are introduced from the experiment, length of time and its sensitivity.
以原位复合方法合成的稀土发光聚己内酰胺(PA6)为研究对象,用差示扫描量热仪(DSC)研究了其结晶行为。
The crystallization behavior of rare-earth luminous polycaprolactam(PA6) prepared through in-situ polymerization was investigated by DSC.
本文建立了己内酰胺液相重排反应转位酯中环己酮肟含量的测定方法,为环己酮肟液相重排反应动力学的研究奠定了基础。
Method of determination of cyclohexanone oxime concentration in esters gained in liquid phase Beckmann rearrangement is set up in the paper, which is a basis of the above reaction kinetics.
HPO法生产己内酰胺是应用最广泛的己内酰胺合成工艺,该生产流程主要包括环己酮制备,环己酮肟化和重排三大工序。
HPO process which is composed of cyclohexanone preparation, hydroxylamine oximation and cyclohexanone-oxime rearrangement has been applied widely in Caprolactam Industry.
通过多年的生产实践,对影响己内酰胺回收量的因素进行了分析和探讨,不但确保生产的正常进行,而且提高了己内酰胺回收量。
Through the analysis on the influencing factors of caprolactam recovering in practice for years, it not only ensures the plant running well but also raises the recovering ratio of the caprolactam.
通过多年的生产实践,对影响己内酰胺回收量的因素进行了分析和探讨,不但确保生产的正常进行,而且提高了己内酰胺回收量。
Through the analysis on the influencing factors of caprolactam recovering in practice for years, it not only ensures the plant running well but also raises the recovering ratio of the caprolactam.
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