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- ethylene glycol diethyl ether 乙二醇二乙醚
- diethylene glycol diethyl ether 二乙二醇二乙醚
- Gelatin ; IPN ; Hydrogel ; Interpenetrating Polymer Networks ; Poly(ethylene glycol) methyl ether acrylate. 英文关键词:明胶;水胶;网路互穿结构;聚乙二醇甲基丙烯酸
- The effects of the dosage of Ethylene glycol monoethyl ether soyate on the performance of mix fuel were investigated. 研究了作为柴油添加剂,其加入量时混合燃料性能的影响。
- First statement: Ethylene glycol is sweet. 第一句:甘醇是甜的。
- Either methanol or other suitable solvent, such as ethylene glycol monomethyl ether, may be used as the diluent. 甲醇或其他适合的溶剂,如乙二醇单甲基醚(甲氧基乙醇)可用作稀释剂。
- Oligo ethylene glycol diglycidyl ether was prepared from oligo ethylene glycol and epichlorohydrin in the presence of NaOH by PTC. 以多聚乙二醇和环氧氯丙烷为原料合成了多聚乙二醇二环氧甘油醚。
- Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst. 以醋酸和乙二醇单乙醚为原料,活性白土负载磷钨酸作为催化剂,合成了乙二醇单乙醚醋酸酯。
- A new application of catalytic distillation (CD) for the production of ethylene glycol monobutyl ether (EGMBE) from ethylene oxide (EO) and n-butanol was developed. 提出以环氧乙烷和正丁醇为原料,应用催化蒸馏法制乙二醇单丁醚的新工艺。
- A pilot-scale catalytic distillation(CD) column was built for the synthesis of ethylene glycol monobutyl ether(EGMBE) from ethylene oxide(EO) and n-butanol. 提出以环氧乙烷和正丁醇为原料,应用催化精馏技术合成乙二醇正丁醚(EGMBE)的新工艺。
- A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point. 防冻剂,防冻液,抗凝剂一种物质,通常是液体,如乙二醇或酒精,和另一种液体混合来降低冰点
- Animal and vegetable fats and oils - Determination of unsaponifiable matter - Method using diethyl ether extraction. 动植物脂肪和油。不可皂化物的测定。二已醚萃取法。
- Vapor-phase synthesis of N,N-diethyl aniline via diethyl ether over Al_2O_3 was studied. 采用乙醚作烷基化试剂,在氧化铝催化剂上对气相法N,N-二乙基苯胺的合成进行了研究。
- The new technology progresses in methanol,ethanol,isobutanol,acetic acid,dimet hyl ether,ethylene glycol and biodegradable plastics-aliphatic polyesters prepar ation from synthetic gas are described. 论述了由合成气制取甲醇、乙醇、异丁醇、醋酸、二甲醚、乙二醇以及合成气制脂族聚酯系生物降解类塑料的技术进展。
- A new process for preparation of ethylene glycol menoethyl ether acetate by one step reaction of ethylene oxide and ethyl acetate with Mg/Al composite oxides (Mg-Al-O, LDO) as catalyst is reported. 介绍了以环氧乙烷、乙酸乙酯为原料,Mg Al O体系(镁铝复合氧化物,LDO)作为催化剂,一步合成乙二醇单乙醚醋酸酯(EGEEA)的方法。
- No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline. 溶于丙酮、苯、甲苯、二硫化碳、二氯乙烷,微溶于乙醇和乙醚,不易溶于水和汽油。
- Ethylene glycol tertiary butyl ether(ETB) is a product with lower photochemical reactivity and can be an acceptable subst ituted solvent for ethylene glycol butyl ether in some applications. 乙二醇叔丁基醚 ( ETB)是一种具有低光化学反应性产品 ,在一些应用领域中可作为乙二醇丁醚 ( EB)的取代溶剂。
- METHODS Silica gel G was used as stationary phase and a mixture of 1,2-dichloroethane and diethyl ether (80:20) was used as mobile phase. 方法使用硅胶G薄层板,以1,2-二氯乙烷-乙醚(80:20)为展开剂,5%25香草醛硫酸溶液为显色剂。
- Soluble in Benzene,Acetone,CCL2,partly soluble in alcohol,diethyl ether,CCL4,insoluble in water,gasoline and alkali with lower concentration. 溶于丙酮、苯、氯仿、二硫化碳,微溶于乙醇、乙醚、四氯化碳,不易溶于水、汽油和稀碱。
- Poly(ethylene glycol) (PEG) is a hydrophilic polymer which has flexible long chain. 摘要聚乙二醇是一类亲水性长链聚合物。