1) transetherification
醚交换反应
2) exchange reaction
交换反应
1.
The geometry structures and vibrational frequencies of the transition states(TS) for both abstract and exchange reaction have been obtained.
本文采用UCCSD(T)/aug-cc-pVTZ方法研究了H+NH3反应势能面,获得了夺氢反应和交换反应过渡态的的几何结构和振动频率。
3) Transesterification
[trænsəs,terəfi'keiʃən]
酯交换反应
1.
Intensification of transesterification reaction by hydrodynamic cavitation technique for biodiesel preparation;
水力空化技术强化酯交换反应合成生物柴油的研究
2.
Progress in oil and fat transesterification catalysts;
油脂酯交换反应催化剂的研究进展
3.
Effect of ultrasonic on the transesterification of methanol-oil immiscible system;
超声波辐射对醇-油不相容体系酯交换反应的影响
4) ester exchange reaction
酯交换反应
1.
A new process of ester exchange reaction for producing 1-hydroxy-2-methyl-4-acetyloxy-2-butene from 1-formyloxy-2-methyl-4-acetyloxy-2-butene was proposed.
用碱性阴离子交换树脂催化1-甲酰氧基-2-甲基-4-乙酰氧基-2-丁烯进行酯交换反应制备1-羟基-2-甲基-4-乙酰氧基-2-丁烯,反应的选择性由85%提高到99。
2.
Soak method was adopted to make the KF/CaO solid alkali catalyst and applied in the ester exchange reaction of the animal grease-methyl alcohol.
采用浸渍法制备KF/CaO固体碱催化剂,并应用于动物废油脂-甲醇的酯交换反应中,考察了催化剂的制备及酯交换反应的条件。
3.
Butyl lactate was synthesized by the ester exchange reaction of D,L-lactide and n-butanol under the catalysis of sulfuric acid.
研究了D,L-丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
5) transesterification reaction
酯交换反应
1.
Preparation of supported Cs_2O solid base catalysts and performance of catalyzing transesterification reaction
负载型Cs_2O固体碱催化剂的制备及催化酯交换反应性能
2.
With zinc acetate as catalyst and steric phenol Weizufen 1010 as antioxidant,the transesterification reaction conditions of NDC with EG and processing conditions for BHEN polycondensation were optimized by orthogonal experimentation.
通过2,6-萘二甲酸二甲酯与乙二醇酯交换反应合成中间体2,6-萘二甲酸乙二醇酯(BHEN),探讨了BHEN缩聚反应合成聚萘二甲酸乙二醇酯的影响因素,筛选出醋酸锌为催化剂、位阻酚1010为抗氧剂,采用正交实验设计方法,确定了酯交换反应和缩聚反应的较优工艺条件。
3.
By orthogonal (experimentation),the optimum transesterification reaction conditions of NDC with EG were obtained as follows: reaction temperature 210 ℃;mole ratio of EG/NDC 2.
聚萘二甲酸乙二醇酯是一种热塑性聚酯材料,文中研究 2,6 萘二甲酸二甲酯与乙二醇酯交换反应,筛选出适宜的反应催化剂、N2 流量,采用正交实验,确定了 NDC与 EG酯交换反应较优的工艺条件:反应温度为210 ℃,EG/NDC摩尔比为2。
6) reaction of transesterification
脂交换反应
1.
In this article,reaction of transesterification of refined colza oil was studied on the basis of the studies of others,fatty acid methyl ester formate namely bio-diesel oil was obtained.
以精炼菜籽油进行脂交换反应,得到脂肪酸甲酯即生物柴油。
补充资料：醚交换反应
分子式：
CAS号：
性质：醚与醇在一定条件下相互作用生成一个新的醚和新醇的反应。原甲酸酯与醇在加热的条件下可以迅速发生醚交换反应。生成的乙醇可以随时蒸出，使反应顺利进行，产率可达88%。
CAS号：
性质：醚与醇在一定条件下相互作用生成一个新的醚和新醇的反应。原甲酸酯与醇在加热的条件下可以迅速发生醚交换反应。生成的乙醇可以随时蒸出，使反应顺利进行，产率可达88%。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条