Three purification processes in producing caprolactam with toluene are introduced.
对甲苯法制备己内酰胺精制工艺方法进行了改进。
Raw materials of synthetic fibre: phthalic acid acrylonitrile caprolactam nylon66salt etc.
合成纤维原料:精对苯二甲酸、丙烯腈、己内酰胺、尼龙66盐等。
The control system of caprolactam polymerization and nylon 6 spinning are introduced respectively.
对锦纶长丝聚合纺丝部分的自控系统进行了简要的介绍。
The terpolymers of the invention: (a) a vinyl lactam, such as vinyl pyrrolidone or vinyl caprolactam;
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;
So the optimum recipe of ink was settled, that is dye 10%, propanetriol 2.5%, caprolactam 4%, diglycol 15%.
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%。
The production, consumption status of caprolactam and its development prospect at home and abroad are analysed.
分析了国内外己内酰胺的生产消费现状及发展前景。
Caprolactam can be polymerized to a high elongation nylon-6 by alkaline catalyst, without ther use of activator.
研究了在无活化剂存在时己内酰胺的碱性催化聚合反应。
Describe technology progress, capacity and present status of supply and demand of caprolactam at home and abroad.
评述己内酰胺的国内外技术进展、产能和需求现状。
The price fluctuation of caprolactam was narrowed and the difference of price with benzene was tended towards stable.
己内酰胺的价格波动幅度在收窄,与纯苯的价差趋于平稳。
Copolyamide hot-melt adhesives were synthesized by caprolactam, nylon 66 salt, nylon 610 salt, decane diamine, sebacic acid, etc.
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;
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。
Poly (ether ester amide) was prepared from caprolactam and poly (ether ester) which was synthesized from polyethylene glycol and adipic acid.
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。
A triple effect evaporation intermittent distillation process is used to recover caprolactam in the extraction wastewater from nylon 6 production.
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。
Reactive compound amine modifiers were introduced during the polymerization of caprolactam and the nylon 6 with amine modifiers modified was obtained.
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。
Various methods for the qualitative and quantitative identification of caprolactam are introduced from the experiment, length of time and its sensitivity.
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。
The new production progresses of caprolactam were introduced. It was pointed that green processes were 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。
To treat high concentration of caprolactam sewage more effectively, up flow type of anaerobic sludge reactor was used to pre-treat before the former A/O system.
为了更加有效地处理己内酰胺高浓度废水,在原A/O处理系统前采用上流式厌氧污泥反应器先对高浓度己内酰胺废水进行预处理。
HPO process which is composed of cyclohexanone preparation, hydroxylamine oximation and cyclohexanone-oxime rearrangement has been applied widely in Caprolactam Industry.
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。
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.
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。
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.
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。
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.
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。
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。
The property, usage and synthetic method of caprolactam were introduced in this paper, the coke oven gas pressure swing adsorption technology and crude benzol hydro-refining process were described.
通过对捣固焦炉装煤烟尘治理技术的不断探索与研究,开发出颗粒层烟气吸附净化装置、炉门烟尘控制装置两项专利技术,并成功地应用于多项工程设计中。
The property, usage and synthetic method of caprolactam were introduced in this paper, the coke oven gas pressure swing adsorption technology and crude benzol hydro-refining process were described.
通过对捣固焦炉装煤烟尘治理技术的不断探索与研究,开发出颗粒层烟气吸附净化装置、炉门烟尘控制装置两项专利技术,并成功地应用于多项工程设计中。
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