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- Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation. 以乙醇和叔丁醇为反应物,采用反应精馏法合成了乙基叔丁基醚。
- The synthesis of ethyl tert butyl ether (ETBE) with ethanol (EtOH) and tert butyl alcohol (TBA) by using A 15, S 54 and D 72 strong acid cation exchange resins as catalysts was studied. 用A-15、S-54和D-72型强酸性阳离子交换树脂作催化剂、以乙醇和叔丁醇为原料,对合成乙基叔丁基醚的反应过程进行了研究。
- Ethyl tert butyl ether (ETBE) is a good additive for gasoline with high octane number.Some typical production technologies overseas and domestic research situations of ETBE synthesis are introduced. 乙基叔丁基醚(ETBE)是一种性能优良的高辛烷值汽油调和组分。
- Keywords pervaporation;distillation;ethyl tert butyl ether (ETBE);ethanol; 渗透汽化;精馏;乙基叔基醚(ETBE);乙醇;
- Synthesis of 2,5di tert butylhydroquinone by alkylation of hydroquinone with methyl tert butyl ether (MTBE) was studied. 研究了以对苯二酚和甲基叔丁基醚 ( MTBE)为原料 ,以酸性阳离子交换树脂为催化剂合成 2 ,5二叔丁基对苯二酚 ( DBHQ)。
- Keywords tert butylamine;synthesis;isobutene;methyl tert butyl ether; 叔丁胺;合成;异丁烯;甲基叔丁基醚;
- Keywords phenol tert butylation;methyl tert butyl ether;2;4 di tert butyl phenol; 苯酚叔丁基化;2.;4-二叔丁基苯酚;甲基叔丁基醚;
- The process for the synthesis of ethyl tert -butyl ether (ETBE) using tert -butyl alcohol (TBA) and low-grade ethanol (EtOH) by catalytic distillation was studied. 研究了以叔丁醇及低浓度乙醇为原料,用催化精馏技术制乙基叔丁基醚(ETBE)的工艺。
- The influence of the p tert butyl phenolic resin level on the dynamic properties of NR/NBR/ENR blend was investigated. 研究了对叔丁基酚醛树脂用量对NR/NBR/环氧化天然橡胶 (ENR)共混物动态力学性能的影响。
- The refined process of 2,6 di tert butyl 4 methylphenol is studied by means of batch distillation and the design of technological process on the basis of the result is completed. 采用间歇精馏方法,对2,6二叔丁基对甲苯酚的精制过程进行了研究,并根据研究结果进行了工艺过程的设计。
- Synthesis of sterically hindered dicyclohexylmethyl、L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper. 研究了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、L-薄荷酯和叔丁酯。
- The advanced technical study on synthesis of Tert Butyl benzene was introduced.The totyal yield and the quality of Tert Butyl benzene was improved. 介绍了叔丁基苯合成工艺改进的方法,提高了产品的质量和收率。
- Objective] GC analytical method for butyl ether in the workplace air using sampling by charcoal tube was studied. 研究炭管采集空气中丁醚的气相色谱分析方法。
- The Latest progress on the method, etherifying reactor and catalyst of production of methyl tertiary butyl ether (MTBE) is reviewed. 介绍了甲基叔丁基醚(MTBE)的生产方法、工艺流程、醚化反应器和催化剂的最新研究进展。对我国的MTBE生产提出了建议。
- Hexamethylene glycol bis[3 (3,5 di tert butyl 4 hydroxyphenyl)] propionate was synthesized without solvent with methyl 3 (3,5 di tert butyl 4 hydroxyphenyl) propionate and hexamethylene glycol as raw materials and organic tin as catalyst. 以 3 -(3 ,5 -二叔丁基 -4-羟基苯基 )丙酸甲酯 (简称 3 ,5 -甲酯 )与 1 ,6-己二醇为原料 ,有机锡为催化剂 ,在无溶剂的条件下合成了己二醇双 [3 -(3 ,5 -二叔丁基 -4-羟基苯基 ) ]丙酸酯。
- As per our clients overseas, we are looking for suppliers of below products.Ethyl malonyl chloride CAS NO:36239-09-5 Di tert butyl malonate CAS NO:541-16-2 Pls contact us for more details. 求购丙二酸乙酯酰氯和二叔丁基丙二酸 应我公司国外客户需求,特寻如 下产品的中国生产厂商 丙二酸乙酯酰氯 CAS NO:36239-09-5 二叔丁基丙二酸 CAS NO:541-16-2 有意者,请联系。
- The ground water in some parts of the USA has been contaminated by leaking oil tanks or pipelines, leading to higher Methyl Tertiary Butyl Ether MTBE concentrations. 美国某些地区之地下水受储油槽或油管泄漏污染而甲基第三丁基醚MTBE含量较高。
- The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator. 以二苯基-4-苯硫基代苯基硫鎓盐(DPTS)为光引发剂,研究了乙烯基正丁醚的本体和溶液光聚合。
- Producers switched to methyl tertiary butyl ether (MTBE), but it has been implicated in contaminating groundwater, and state governments are banning it. 制造厂商曾经改用甲基三级丁醚(MTBE),但这种化学物质可能与地下水污染有关,因此美国政府已禁止使用。