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- By secondary esterification reaction, the acid value can be further reduced to less than 3 mgKOH/g. 经过二次酯化，酸价可降到3mgKOH/g以下。
- The paper introduces the catalyst research advances in esterification reaction of carboxylic acid. 本文介绍了羧酸酯化反应催化剂的研究进展。
- The generation of DEG in polyester happens mainly in esterification reaction,especially in esterification reaction 1. 聚酯生产过程中,产品的DEG主要在酯化段产生,而且以酯化1的生成量最大。
- The conditions of esterification reaction and the catalytic stability of the resin were investigated. 考察了反应条件对酯化反应的影响和树脂的催化稳定性。
- A liquid crystal with pyridine group was synthesized from reactants of pyrogallic acid and isonicotinato by esterification reaction. 以焦性没食子酸和异烟酸为原料合成了带吡啶官能团的液晶配体。
- Tin tetrachloride can be used as catalyst for esterification reaction of acetic acid and n-amyl alcohol instead of sulfuric acid. 用四氯化锡取代浓硫酸作为冰乙酸和正戊醇的酯化反应催化剂,成功地合成了乙酸戊酯。
- The paper summarizes the development of esterification reaction in this country and reports some common ways of esterification and its future trend. 总结了近几年来国内酯化反应的发展过程,报道几类常用酯化方法及其发展趋势。
- In this paper present producted situation and new catalysts of esterification reaction of DOP and preparation of the catalysts were reviewed. 介绍了邻苯二甲酸二辛酯(DOP)生产现状、催化酯化反应的新型催化剂及催化剂制备方法。
- In exchange with esterification reaction catalyzed by lipase, it is obtained through the fatty acid realignment in the molecule of glycerol. 由脂肪酶催化酯交换，使脂肪酸在丙三醇分子上的位置重新排列而得。
- The catalytic activity of iodine in the esterification reaction was studied by synthesis cyclohexyl acetate from acetic anhydride, cyclohexano and acetic acid, cyclohexano. 摘要以单质碘为催化剂，通过乙酸酐、环己醇及乙酸、环己醇为原料合成乙酸环己酯，对碘的催化活性进行了研究。
- High performance rosin esters were produced by esterification reaction of pentaerythritol and toll oil rosin which was purified by reduced pressure distillation. 使用普通塔尔油松香和经过减压蒸馏纯化的精制塔尔油松香为原料,适当加入复合添加剂,通过酯化反应制得优质塔尔油松香改性树脂。
- Synthesis and character of a liquid crystal with groups of pyridine were studied using 3,5-dihydroxytoluene and isonicotinato through esterification reaction. 以3,5-二羟基甲苯和异烟酸等为原料制备了带吡啶官能团的液晶配体。
- The amyl pentanoate was synthesized by the esterification reaction of n-pentanol with pentanoic acid using aluminophosphate molecular sieve as a catalyst. 首次用磷酸铝分子筛催化戊酸与正戊醇的酯化反应合成了戊酸正戊酯。
- A novel type of photoalignment material based on the esterification reaction of 3,5-dihydroxyl benzyl alcohol and cinnamoyl chloride was firstly reported in this paper. 通过在3,5-二羟基苯甲醇分子中的双酚基基团上引入双肉桂酰酯光敏基团的酯化反应,合成了一类新型的分子顶部为羟基极性基团,整个分子构型类似于树枝状的光敏小分子化合物。
- A kind of complexing catalyst was introduced.The influences of the amount of complexing catalyst, temperature and time on the esterification reaction were investigated. 提出了一种复合催化剂,讨论了催化剂用量、反应温度、反应时间三因素对酯化反应的影响。
- The catalytic activity of iodine in the esterification reaction was studied by synthesis cyclohexyl acetate from acetic anhydride,cyclohexano and acetic acid,cyclohexano. 以单质碘为催化剂,通过乙酸酐、环己醇及乙酸、环己醇为原料合成乙酸环己酯,对碘的催化活性进行了研究。
- Some different kinds of solid superacid, the influence of stir speed, the amount of catalyst, and the roasting temperature on esterification reaction was studied. 分别考察了不同类型固体超强酸的催化酯化作用 ,并且研究了搅拌速度、催化剂用量以及焙烧温度对酯化反应的影响。
- The paper mainly deals with synthesis of cotton oil-dyadethanolamine and studies the reaction conditions and techology esterification reaction and combination. 介绍了棉油酸二乙醇酰胺的合成方法,研究了酯化、缩合反应的条件和工艺。
- Traditional ketalization and esterification reactions are usually catalyzed by concentrated sulphuric acid in industry. 传统的缩酮化、酯化反应工业上多采用浓硫酸作催化剂。
- The esterification reactions of rosin with ethanol, ethane glycol and glycol under the irradiation of microwave and ultrasound have been investigated in the present paper. 摘要该文对在微波和超声波辐照下的松香与醇的酯化反应进行研究。
