diisocyanate是什么意思

网络释义

用法例句

Bis(tert-butylperoxy) diisopropyl benzene was synthesized from diisopropyl benzene by peroxidation,reduction,synthesis of BIPB.

以对(间)二异丙苯为原料经过过氧化反应、还原反应、双叔丁基过氧化二异丙苯(BIPB)的合成三步反应合成双叔丁基过氧化二异丙苯。

Thermodynamic analysis of diisopropylbenzene transalkylation reaction;

二异丙苯烷基转移反应的热力学分析

Synthesis of diisopropylbenzene and triisopropylbenzene by heterogeneous catalytic method;

异相催化法合成二异丙苯和三异丙苯

Hβ-1,Hβ-2 and Hβ-3 molecular sieves modified with NH_4NO_3,diammonium citrate and triammonium citrate respectively were characterized by means of XRD,NH_3-TPD and IR,and used as catalysts for diisopropylbenzene(DIPB)isomerization.

考察了三元有机酸铵盐(柠檬酸三铵和柠檬酸氢二铵)和传统的硝酸铵对β分子筛改性的影响,采用X射线粉末衍射、氨吸附-程序升温脱附和吡啶吸附红外光谱技术对催化剂进行表征,并将改性后的催化剂用于二异丙苯的异构化反应。

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。

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。

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。

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。

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。

N,N-Diisopropylethanoamine was synthesized from diisopropylamine and ethylene oxide,and then chloridized to N,N-diisopropyl-2-aminoethyl chloride,which finally went through amindysis in benzene to(produce) the title product N,N-diisopropyl ethanediamine.

文献报道的由二异丙胺经由N,N-二异丙基乙醇胺[2,3],N,N-二异丙基氯乙胺[4,5],最后采用Gabriel法对其肼解[6]制备N,N-二异丙基乙二胺的方法,存在设备腐蚀严重,低温反应以及成本过高,不易工业化的缺点。

N,N-Diisopropylethylamine(DIPEA) was prepared from diisopropylamine (DIPA) and diethyl sulfate (Et_2SO_4).

以二异丙胺 (DIPA)、硫酸二乙酯 (Et2 SO4 )为原料合成N ,N 二异丙基乙基胺 (DIPEA)。