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1)  Melting state transesterification reaction
熔融酯交换反应
2)  melting transesterification
熔融酯交换
1.
In this paper,Bis(p-hydroxybenzoic acid)butanediolate which is a kind of mesogenic unit was synthesized by melting transesterification using methyl-p-hydroxybenzoate,1,4-butanediol,and Tetra-n-butyl titanate as catalyst.
以对羟基苯甲酸甲酯、1,4-丁二醇为原料,钛酸四正丁酯为催化剂,通过熔融酯交换反应,合成液晶基元双(对羟基苯甲酸)丁二醇酯。
2.
Segmented copolyesters involving poly (butylene terephthalate) (PBT) and ternary amorphous random copolyester-poly (ethylene terephthalate-co-isophthalate-co-sebacate) ( PETIS) by means of melting transesterification under vacuum condition were prepared.
采用熔融酯交换法制备了以聚对苯二甲酸丁二醇酯(PBT)为硬段,对苯二甲酸乙二醇酯、间苯二甲酸乙二醇酯和癸二酸乙二醇酯的无规共聚酯(PETIS)为软段的共聚酯,考察了共聚酯熔融结晶行为、拉伸性能和流变性能。
3)  melted state transesterification
熔融酯交换法
1.
By melted state transesterification reaction,two series of liquid crystalline copolyesters were synthesized and identified by introducing two mesogenic monomers into the chain of polybutylene-succinate(PBS).
通过熔融酯交换法 ,以液晶基元为聚丁二酸丁二醇酯 (PBS)的共聚组分 ,合成了两个系列的液晶共聚酯。
4)  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
5)  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。
6)  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。
补充资料:酯交换反应
分子式:
CAS号:

性质:酯与醇在酸或碱的催化下生成一个新酯和一个新醇的反应,即酯的醇解反应。这一反应是可逆的,为使反应向着所要求的方向进行,需将生成物从反应体系中取走。例如:可以利用蒸馏的方法将生成的沸点较低的酯或醇蒸出。酯和酸在一定条件下也可以进行酯交换反应,生成一个新酯和一个新酸。

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