1)transesterification[tr?ns?s,ter?fi'kei??n]酯交换
1.Kinetics of esterification and transesterification for biodiesel production in two-step process;酯化-酯交换两步法制备生物柴油的动力学
2.Conversion ratio determination of transesterification with viscosity method;黏度法计算酯交换反应的转化率
3.Biodiesel preparation from transesterification of soybean oil by LiNO_3/ZrO_2 catalyst;LiNO_3/ZrO_2催化大豆油酯交换制备生物柴油
英文短句/例句
1.Study on the Technology of Dimethyl Carbonate Production by Transesterification;酯交换法生产碳酸二甲酯的工艺研究
2.Synthesis of didodecyl carbonate by transesterification on KNO_3/HMSKNO_3/HMS催化酯交换法合成碳酸二月桂酯
3.Synthesis of diphenyl oxalate by transesterification over TiO_2/SiO_2 catalystsTiO_2/SiO_2催化酯交换合成草酸二苯酯
4.Study on the Synthesis of Diphenyl Carbonate from Transesterification of Dimethyl Oxalate with Phenol;苯酚和草酸二甲酯酯交换反应合成碳酸二苯酯
5.Studies on Synthesis of Diphenyl Carbonate and Methyl Phenyl Carbonate by Transesterification;酯交换法合成碳酸二苯酯及碳酸甲苯酯的研究
6.Synthesis of Dipheny Carbonate by Transesterification of Phenol and Dimethyl Carbonate;苯酚与碳酸二甲酯酯交换合成碳酸二苯酯
7.Synthesis of Diphenyl Carbonate from the Transesterification Catalyzed by Dibutyltin Sulfonates二丁基锡磺酸酯催化酯交换合成碳酸二苯酯
8.Study on Modified Hydrotalcite Catalyst for Synthesis of Diphenyl Carbonate by Transesterification;改性水滑石催化酯交换合成碳酸二苯酯研究
9.Engineering Research in Prepolymerization Process of Polycarbonate Synthesis Through Melt Transesterification;聚碳酸酯熔融酯交换法预聚过程的工程研究
10.The Analysis and Optimization of the Synthesis of Dimethyl Carbonate by Transesterification;酯交换法合成碳酸二甲酯的工艺优化与分析
11.Study on the Synthesis of Bisphenol-A Co-Polycarbonate with Reduced Birefringence Through Melt Transesterification Process;熔融酯交换法合成低双折射共聚碳酸酯的研究
12.Catalytic Synthesis of Diphenyl Carbonate by Transesterification Ove Supported Sn on TiO_2 and Inorganic Sn;TiO_2负载Sn及无机Sn催化酯交换合成碳酸二苯酯
13.Process Research of N-Butyl Acetate Produced by Transesterification in a Catalytic Distillation Column酯交换法合成醋酸正丁酯的催化精馏过程研究
14.Preparation of Solid Base Catalyst for Synthesis of DMC by Transesterification酯交换法合成碳酸二甲酯固体碱催化剂的制备
15.TECHNOLOGY OF HEAT PUMP ASSISTED DISTILLATION FOR SYNTHESIS OF DIMETHYL CARBONATE BY TRANSESTERIFICATION酯交换法生产碳酸二甲酯中热泵精馏工艺研究
16.Study on fatty acid methyl ester production by enzymatic transesterification reaction酶法催化酯交换反应制备脂肪酸甲酯工艺研究
17.Study on Catalysts for Transesterification Synthesis of Dimethyl Carbonate酯交换法合成碳酸二甲酯的催化剂研究
18.Synthesis of Diethylene Glycol Dimethacrylate by Transesterification酯交换法合成一缩二乙二醇双甲基丙烯酸酯
相关短句/例句
ester exchange酯交换
1.Preparation of titanates catalysts and their catalytic behavoirs to transesterification (Ⅰ):ester exchange reaction of ethyl benzoate with isoamylol;钛酸酯催化剂的制备及其对酯交换催化性能研究(Ⅰ)——苯甲酸乙酯与异戊醇的酯交换反应
2.Improvement in technology of ester exchange synthesis of L-ascorbic palmitate;酯交换法合成L-抗坏血酸棕榈酸酯的工艺改进
3.N,N-Dimethylaminoethyl methacrylate were synthesized by ester exchange using methyl methacrylate and N,N- dimethylethanolamine as feed stock, tetrabutyl titanate as catalyst, p-methoxphenol as inhibitor.以甲基丙烯酸甲酯、二甲氨基乙醇为原料 ,钛酸四丁酯为催化剂 ,对羟基苯甲醚为阻聚剂 ,采用酯交换法合成了基丙烯酸二甲氨基乙酯 。
3)interesterification[,int?,rest?rifi'kei??n]酯交换
1.Improving the process properties of palm stearin by interesterification;利用酯交换法改进棕榈油硬脂的加工性能
2.Effect factors of diacylglycerol content during the lipase-catalyzed interesterification;影响酶法酯交换中甘二酯含量的因素研究
3.Manufacture of Nutritional Margarine by Interesterification;酯交换制作营养型人造奶油油基的研究
4)trans-esterification酯交换
1.This article introduces the process and the technique of producting bio-diesel by trans-esterification.介绍了利用酯交换反应来制取生物柴油的方法和制取流程,通过正交试验和多组试验方案对比确定了一个最佳的反应条件使反应酯化率最高,在0#柴油中以不同比例添加生物柴油作为燃料在发动机上进行排放特性和经济特性试验,比较了生物柴油和0#柴油的排放特性与经济特性,并提出了解决生物柴油带来动力性下降问题的方法。
2.Bio-diesel was produced by means of trans-esterification of chicken oil,using KOH as a catalyst.采用鸡油在催化剂KOH的作用下与甲醇发生酯交换反应制备生物柴油,研究了醇油摩尔比、催化剂用量、反应时间、反应温度对反应产率的影响。
3.The synthesis of mixed sucrose acetate and oleate was performed by trans-esterification of sucrose octaacetate with ethyl oleate in organic solvents, using lipase Novo435 as catalyst, and 95% conversion of ethyl oleate was obtained when molar ratio of sucrose octaacetate to ethyl oleate is 1 : 1.在有机溶剂中,以脂肪酶Novo435为催化剂,使蔗糖八乙酸酯与油酸乙酯进行酯交换反应合成了同时含有油酰基和乙酰基的混合型蔗糖酯,当蔗糖八乙酸酯/油酸乙酯(摩尔比)=1:1时,油酸乙酯的转化率达95%。
5)transesterfication酯交换
1.The effects of reaction time and temperature on transesterfication reaction were discussed.以蓖麻油为原料,以酯交换反应来合成壬二酸单乙酯,利用IR和1HNMR对化合物结构进行了表征,讨论反应时间和反应温度对酯交换反应的影响。
2.Gas chromatography(GC) as a chemical reactor,methyl acetoacetate,ethyl acetoacetate,and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers.在气相色谱上,乙酰乙酸甲酯、乙酰乙酸乙酯、3-氧代戊酸甲酯与醇在无任何催化剂存在下,发生酯交换反应。
3.It can be used in transesterfication process of biodiesel preparation as solvent and catalyst.离子液体是一种新型功能材料,在生物柴油的油酯交换过程中可以作为溶剂和催化剂,易于回收再用。
6)esterification ester exchange酯化酯交换
延伸阅读
酯交换分子式:分子量:CAS号:性质:酯与醇作用生成一个新的酯和一个新的醇的反应。反应需要在酸或烷氧负离子的催化作用下进行。这是一个可逆的反应,通常采用将生成物从反应体系中取走的方法使反应向需要的方向进行。酯交换反应主要应用于将一个低沸点醇的酯转为高沸点醇的酯,在反应过程中用蒸馏的方法不断蒸出生成的沸点较低的醇。酯交换反应是醇解反应的一种类型。此外,酯与酸的反应不能称酯交换反应。因为在反应中交换的不是酯基,而是酰基。酯与酯的交换既有酯基的交换,也有酰基的交换,但反应结果4种酯同时存在,很难分离提纯,没有实用价值。