说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 丁二烯
1)  butadiene [英][,bju:tə'daii:n]  [美][,bjutə,daɪin]
丁二烯
1.
Synthesis of cyclized cis-1,4-polybutadiene in-situ by Nd-based catalyst and cationic catalyst;
钕系催化剂和阳离子催化剂原位合成环化聚丁二烯
2.
Comparison and selection among butadiene extraction technology process flows;
丁二烯抽提技术工艺路线的对比选择
3.
Technical remoulding and optimization of 90 kt/a butadiene extraction plant;
9万t/a碳四抽提丁二烯装置工艺改造与优化
2)  Ethene/Butylene/Butadiene
乙烯/丁烯/丁二烯
3)  polybutadiene [,pɔli,bju:tə'daii:n]
聚丁二烯
1.
Synthesis and characterization of poly(L-lactic acid)/polybutadiene based polyurethanes;
聚L-乳酸/聚丁二烯基聚氨酯的合成与表征
2.
Mechanism of bulk free-radical grafting polymerization of styrene onto polybutadiene;
丁二烯橡胶接枝苯乙烯本体自由基聚合机理
3.
Synthesis and characterization of stereotriblock polybutadiene and properties of its hydrogenated product;
立构三嵌段聚丁二烯的合成及其加氢产物的性能
4)  chloroprene [英]['klɔ:rəpri:n]  [美]['klɔrəprin]
氯丁二烯
1.
Application and computer simulation of trapezoidal-rectangular three-dimensional spraying continuous mass-transfer tray in chloroprene distillation
梯矩形立体连续传质塔板在氯丁二烯精馏中的应用和计算机模拟
2.
The influence of added methyl acrylate (MA) on the emulsion copolymerization of methacrylic acid (MAA) and chloroprene in the presence of polyvinyl alcohol as a protective colloid was investigated.
研究了丙烯酸甲酯(MA)对聚乙烯醇为乳化剂的氯丁二烯和甲基丙烯酸乳液共聚合的影响。
3.
The microgel was prepared by the copolymerization of crosslinking agent A and chloroprene and the sol was prepared by emulsion polymerization.
以氯丁二烯与交联剂A共聚制备微凝胶;用乳聚法制备溶胶。
5)  diisobutene
二异丁烯
1.
With diisobutene form polyunit as feedstock, hydrogenation reaction is made in the fixed bed hydrogenation unit, isooctane is produced by diisobutene hydrogenation under proper reaction condition and in the presence of hydrogenation catalyst, the purity of isooctane so produced is 93%, and can reach 99.
利用叠合装置的二异丁烯为原料,在固定床加氢装置上进行加氢反应,在适宜的反应条件和加氢催化剂作用下,二异丁烯加氢生成异辛烷,所得异辛烷纯度为93%,再经分馏进行提纯,可得到纯度为99。
2.
MTBE and diisobutene are important intermediates of downstream C4 petrochemical products.
石家庄炼油工股份有限公司采用MTBE联产二异丁烯技术,创造性地将生产MTBE与生产二异丁烯两种不同的工艺技术进行了融合,大幅度提高了原有装置的盈利能力。
3.
In order to solve the problems such as multiple components in products, long time of rectification, high energy consumption, low yield and purity of product occurring during the production of p - octyl phenol, the effects of reaction conditions including reaction temperature, reaction time, the molar ratio of phenol to diisobutene on the conversion and yield of the product were examined.
为解决对辛基酚生产过程中精馏时存在组分多、精馏时间长、能耗高、产品收率和纯度低等问题,用正交实验探讨反应温度、反应时间、苯酚与二异丁烯原料摩尔比3因素对原料转化率和产品对辛基酚收率的影响。
6)  diisobutylene [dai,aisə'butili:n]
二异丁烯
1.
The process can convert over 95% isobutylene in C 4 olefin into diisobutylene(DIB) or isooctene in the present of acid cation exchange resin catalyst,and partial 1-butylene also take part in the reaction.
介绍了一种混合碳四烯烃叠合利用的预反和催化蒸馏组合技术,该技术以酸性阳离子交换树脂为催化剂,可以将混合碳四烯烃中的95%以上的异丁烯叠合反应生成二异丁烯和异辛烯,且部分正丁烯也参与二聚或共聚。
2.
The production technology and development of diisobutylene were reviewed.
综述了二异丁烯的生产技术及研究进展,介绍了用于该生产的各种催化剂及最新研究成果。
补充资料:丁二烯
丁二烯
butadiene
    最简单的共轭二烯(见烯烃)。分子式CH2=CH——CH=CH2即1,3-丁二烯 。分子中的两个碳-碳双键被一个单键隔开。
   
    丁二  烯在    压下为无  色气体熔点 - 108.9℃ , 沸点-4.4℃ ,相对密度 0.6211(20/4℃)。在水中的溶解度很小,易溶于乙醇、乙醚等有机溶剂中。丁二烯容易与卤素和卤化氢等试剂起加成反应,它与溴反应生成的主要产物为1,4-二溴-2-丁烯:
!!!D1328_2
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