1) ethylene glycol tbutyl ether
乙二醇特丁醚
1.
In pilot test of 150 t/a of synthesizing ethylene glycol tbutyl ether from isobutene and ethylene glycol, reaction temperature, catalyst life, reaction heat draw and affection of LHSV on etherization are investigated.
通过异丁烯与乙二醇合成乙二醇特丁醚 1 50 t/a中间试验 ,考察了反应温度、液体空速对醚化反应的影响及反应器的撤热情况 ,考察了催化剂的寿命 ,提出精制各塔操作参数和产品质量指
2) ethylene glycol t butyl ether
乙二醇特丁基醚
3) ethylene glycol monobutyl ether
乙二醇丁醚
1.
A new equipment detergent has been developed based on the deoiling synergism of ethylene glycol monobutyl ether, surfactant and alkaline assistant, and combined with the deoiling characteristics of organic solvent and water-based detergent.
分析了表面活性剂型清洗剂难以去除设备顽渍性油污的难题,结合有机溶剂和水基清洗剂的去油污特性,利用乙二醇丁醚、表面活性剂及碱性助剂的协同去污作用,研制出了设备清洗剂。
2.
Thus it is presented an effective RNA extraction method based on the nuclease adsorbent macaloid,poly vinyl pyrrolidone,and high concentration of KAc and ethylene glycol monobutyl ether,which has successfully extracted high-quality RNA from many materials difficult to RNA isolation,such as RNase-rich rabbit liver,plant and microbial tissues rich in polysaccharides,lipids and polyphenol compounds.
现利用硅藻土对RNase的吸附性,结合PVP、高盐及乙二醇丁醚沉淀等处理,建立了一种广泛适用的RNA提取方法。
4) Butane, 1,1'-[oxybis(2,1-ethanediyloxy)]bis-
二乙二醇二丁醚
5) diethylene glycol monobutyl ether
二乙二醇丁醚
1.
The air and the deionized water were considered as standard examples and the densities of diethylene glycol monobutyl ether were measured over a temperature rang of 20 ℃ to 60 ℃ with an Anton Paar DMA60 DMA602 vibrating tube densimeter.
以空气和去离子水为标准样,利用Anton Paar DMA60 DMA602振动管密度计测定了常压下二乙二醇丁醚在20—60℃间几乎每相间1℃密度数据。
6) ethylene glycol dibutyl ether
乙二醇二丁醚
1.
The synthesis of ethylene glycol dibutyl ether(EDB) based on the Williamson reaction of ethylene glycol monobutyl ether(EB) with sodium hydroxide and bromobutane(BuBr) was investigated.
以乙二醇单丁醚(EB)和溴丁烷(BuBr)为主要原料,在NaOH作用下进行Williamson反应制备乙二醇二丁醚。
补充资料：乙二醇一丁醚
分子式：
分子量：
CAS号：
性质：HOCH2CH2O（CH2）3CH3 俗称丁基溶纤剂。无色液体。密度0.9027。沸点 171.1℃。能以任意比例与丙酮、苯、四氯化碳、乙醇、正庚烷和水等混溶，是优良的溶剂。也是优良的表面活性剂，可清除金属、织物、玻璃、塑料等表面的油污。广泛用于油漆、油墨、皮革、印染、医药和电子工业。由环氧乙烷与正丁醇作用而制得。
分子量：
CAS号：
性质：HOCH2CH2O（CH2）3CH3 俗称丁基溶纤剂。无色液体。密度0.9027。沸点 171.1℃。能以任意比例与丙酮、苯、四氯化碳、乙醇、正庚烷和水等混溶，是优良的溶剂。也是优良的表面活性剂，可清除金属、织物、玻璃、塑料等表面的油污。广泛用于油漆、油墨、皮革、印染、医药和电子工业。由环氧乙烷与正丁醇作用而制得。
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参考词条