1) 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
2) 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。
3) 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。
4) interesterification
[,intə,restərifi'keiʃən]
酯交换反应
1.
Study on lard interesterification catalyzed by sodium hydroxide and glycerol admixture
氢氧化钠与甘油混合物催化猪油酯交换反应的研究
2.
Cocoa butter equivalent(CBE)production from palm oil m idfraction(POMF)and stearic acid methyl ester(SAME)by interesterification cataly zed by 1,3 specific lipases in solvent free system was studied.
研究了在无溶剂系统中 ,利用 1,3位置特异性脂肪酶催化POMF与硬脂酸甲酯进行酯交换反应制取类可可脂。
3.
The enzymecatalyzed interesterification of Chinese vegetable tallow and methyl stearate to produce cocoa butter equivalent was studied.
考察了无机盐、水活度、温度以及有机溶剂等因素对酯交换反应的影响，进行了产物分离和性能检测以及固定化脂肪酶的稳定性实验。
5) ester-exchange reaction
酯交换反应
1.
Study on ester-exchange reaction of soybean oil catalyzed by solid base;
固体碱催化大豆油酯交换反应的研究
2.
Lipo-alkaloids in Sini Decoction stemmed from ester-exchange reactions;
四逆汤中脂类生物碱来源于酯交换反应的研究
3.
Vegetable oil ester-exchange reaction catalyzed by solid base catalyst gives the yield and coversion of oil over 98.
固体碱催化剂LDH/LDO进行植物油酯交换反应 ,产率、转化率达 98。
6) ester-amide exchange reaction
酯-酰胺交换反应
1.
The results indicated that the compatibility of the systems hadn t been evidently improved when blending time was prolonged, but had been improved a lot when blending temperature was increased because of the existence of ester-amide exchange reaction.
研究发现:延长共混时间,对共混体系有一定的增容效果但尚不理想;提高共混温度,使酯-酰胺交换反应程度加深,体系相容性提高;加入4%的增容剂,增容效果最明显。
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。
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。
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