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- 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)。
- 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。
- 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 n butyl gallate was synthesized by esterification of butyl alcohol and gallic acid in catalysis of p methyl toluenesulfonic acid (PTSA) induced by microwaves. 采用微波辐射技术,以对甲苯磺酸(PTSA)作催化剂,没食子酸和正丁醇直接酯化合成没食子酸正丁酯。
- 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。
- Referring to the oxygen concentrations in the mixture of gasoline with 5%, 10%, 15% and 20% methyl tertiary butyl ether(MTBE) respectively, ethanol anhydrous (EA) was mixed into 90# unleaded gasoline. 摘要以90%23无铅汽油为基础油,按照体积分数5%25、10%25、15%25和20%25的甲基叔丁基醚-汽油混合燃料中的氧含量,配制出相应氧含量的乙醇-汽油混合燃料。
- In the presence of aminosulfonic acid catalyst,lactic acid reacted with n butyl alcohol to form n butyl lactate. 以氨基磺酸为催化剂,实现了乳酸与正丁醇反应合成乳酸正丁酯。
- 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。
- METHOD:The title compound was synthesized from methyl n propyl ketone and diethyloxalate via three steps. 方法:以2-戊酮和草酸二乙酯为原料,经三步反应合成了产物。
- MTBE Methyl Tertiary Butyl Ether 甲基叔丁基醚
- Tri n butyl citricate(TBC)was synthesized with zeolite supported ZrO 2 Dy 2O 3/SO 4 2 solid super acids(ZDSH) as catalysts. 用固体超强酸催化剂(ZrO2?Dy2O3/SO42 -?沸石分子筛) 催化合成柠檬酸三丁酯(TBC) 。
- In this paper, the research progress on the exposure,metabolism,toxicity and endocrine disruptingeffects of di n butyl phthalate were reviewed. 邻苯甲二酸二丁酯;;内分泌系统;;成形剂;;毒性作用;;塑料;;职业;;环境;;
- Toxicity research on methyl tertiary - butyl ether 甲基叔丁基醚的毒性研究
- Three plasticizers were used: namely dioctyl phthalate (DOP), di n butyl phthalate (DBP) and di(-2-ethyl-hexyl)sebacate(DOS). 研究中采用的增塑剂为邻苯二甲酸二辛酯 (DOP)、邻苯二甲酸二正丁酯 (DBP)和癸二酸二辛酯 (DOS)。
- The influence facts upon adhesive strength,such as hardening agent content, n butyl acrylate content,synthesis condition were discussed. 考察了固化剂含量、预固化及预聚合时间、丙烯酸丁酯含量以及引发剂含量对胶粘剂力学强度的影响。
- methyl tertiary butyl ether(MTBE) 甲基叔丁基醚
- 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。
- N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization. 以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。
- methyl tertiary butyl ether (MTBE) 甲基叔丁基醚