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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 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 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)。
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] To establish gas chromatographic method for butyl acetate in workplace air. 建立工作场所空气中乙酸丁酯的热解吸气相色谱测定方法。
Objective To study the catalytic activity of ceric sulfate in the synthesis of butyl acetate. 目的研究硫酸铈在合成乙酸丁酯工艺中的催化性能。
Both isopropyl acetate and butyl acetate as azeotropic agent are contrast to each other according to operational data. 对采用乙酸正丁酯和乙酸异丙酯作夹带剂时的操作进行了综合比较。
Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film. 摘要采用丙酮、四氢呋喃、乙酸丁酯和四氯化碳等有机溶剂对双酚A聚碳酸酯(BAPC)进行诱导结晶。
Meanwhile, the ability of butyl acetate to induce BAPC to crystallize is inferior to that of acetone and tetrahydrofuran with the result of smaller crystallinity and crystal size. 乙酸丁酯的诱导能力更弱一些，结晶度和晶片厚度均小于丙酮和四氢呋喃的诱导结果。
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。
The quality characteristic of butyl acetate was introduced. Advances in research on synthesis of butyl acetate at home were summarized. The esterifying catalysts were classified. 摘要介绍了乙酸正丁酯的性能特点以及合成方法，对国内目前合成乙酸正丁酯的进展情况进行了综述，并对酯化反应催化剂进行了分类比较。
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。
Activated carbon fibre was selected through tests as an optimum adsorbent for butyl acetate in gas.The main factors affecting the adsorption performance were studied. 通过试验选择活性炭纤维作为吸附剂，吸附气体中醋酸丁酯。对影响其吸附性能的主要因素进行了研究。
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。
Spectrophotometric determination of cobalt in bright nickel plating bath was advanced with ammonium thiocyanate as complexing agent and butyl acetate as extracting agent. 以硫氢酸铵络合钴离子,随后用乙酸丁酯进行萃取,利用分光光度法测量光亮镀镍溶液中的钴离子。
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。
A study was made on the synthesis of n butyl acetate and isobutyl acetate with aminosulfonic acid as the catalyst.The optimum conditions were chosen by the experiments. 研究了以氨基磺酸为催化剂，催化合成乙酸正丁酯和乙酸异丁酯的工艺过程，实验确定了其优惠反应条件。
Has been operating probucol ester, acrylic acid, a methyl ester, the butyl acetate, the ammonium sulfate, Ye Jian, such as hydrochloric acid, annual sales of 50 million yuan. 一直经营丙丁酯、丙烯酸、甲甲酯、二丁酯、醋酸乙烯、过硫酸铵、液碱、盐酸等，年销售额5000万元。