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- This complex reaction is characterized by a keto-enol tautomerism eqilibrium and ester exchange reaction. 此螯合反应是由酮一烯醇互变异构平衡过程和酯交换反应组成。
- 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。
- Quaternary ammonium salt of chitosan was synthesized starting from chitosan, triethylamine and ethyl chloroacetate by ester exchange reaction. 以三乙胺、氯乙酸乙酯和壳聚糖等为原料,采用酯交换法合成了壳聚糖季铵盐。
- This paper reviews the production technologies,the advantages of DMC production by ester exchange and market situation at home and abroad. 本文阐述了碳酸二甲酯的生产方法,酯交换法生产DMC工艺的优越性以及国内外市场状况。
- Takeshi I,Masahiro K,Akihiro P.Process for preparation of glycidyl methacrylate by catalytic ester exchange reaction:JP08239372[P].1996-09-17. 刘亚康;毛优平;金关泰.;丙烯酸缩水甘油酯的合成工艺研究[J]
- The esterfication is completed by ester exchange and melt condensation polymerization at high temperature with distillation of the dispersion medium. 在高温下通过酯交换脱出乙二醇分散介质然后用熔融缩聚法完成酯化反应。
- Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO). 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯;产率达98.;5%25以上。
- A new complex type of rapeseed oil fatliquoring agent with excellent performance was synthesized by the reactions of ester exchange,ethoxylation and hydroxylation. 以菜籽油为原料,通过酯交换、环氧化和环氧化开环反应,合成了羟化乙氧基化双重改性菜籽油。
- In this experiment , ascorbic acid and palmitate etbylester were used as reactants,and H2SO4 as catalyst to synthesize L-ascorbic palmitate by ester exchange method . 以L-抗坏血酸和棕榈酸乙酯为原料,H2SO4为催化剂,酯交换法合成L-抗坏血酸棕榈酸酯。
- In this experiment, we use ascorbic acid and palmitate ethylester as reactant, H2SO4 as catalyst to synthesis L-ascorbic palmitate by ester exchange method. 以L-抗坏血酸和棕榈酸乙酯为原料、H2SO4为催化剂,酯交换法合成L-抗坏血酸棕榈酸酯。
- A series of poly alkylene succinate was synthesized by ester exchange reactions and the solid electrolytes were made from the polyesters and lithium perchlorate. 以酯交换反应合成了聚丁二酸酯系列,与高氯酸锂制成固体电解质。
- In this paper, the three kinds of ester exchange methods of pig oil acidic ester exchange,alkaline ester exchange and two-steps ester exchange are compared. 本文对猪油的三种改性方法：酸性醇解法、碱性醇解法、两步醇解法进行了比较，对三种醇解法的影响因素进行了讨论。
- In this paper,the properties and synthesis process of dimethyl carbonate are systematically reviewed, including ester exchange reaction and methonal carbonyaction. 介绍了碳酸二甲酯的性质及合成方法,包括光气法、酯交换法和甲醇氧化羰基化法及其它方法;
- Put together the pre-esterified grease and the methanol; adopt secondary reaction to eliminate the glycerin engendered in the first reaction to continue the ester exchange reaction. 经预处理的油脂与甲醇一起，采用二步反应，除去初反应中生成的甘油，使酯交换反应继续进行。
- Methyl ricinoleate was produced from castor oil by ester exchange reaction. Oxyethylated methyl ricinoleate(OMR,with average EO degree of 10) was synthesized by reaction of methyl ricinoleate with ethylene oxide. 用酯交换甲酯化法合成出蓖麻油酸甲酯,将分离出的蓖麻醇酸甲酯与环氧乙烷反应,得到蓖麻醇酸甲酯乙氧基化物(OMR,EO平均数为10)。
- Biodiesel oil is prepared from soya bean oil and methanol, the ester exchange reaction is conducted under ultrasonic conditions with alkali as the catalyst, and the effect is discussed of ultrasonic wave on the reaction. 摘要以大豆油和甲醇为原料制备生物柴油，酯交换反应在超声波条件下以碱作为催化剂进行，讨论了超声波对反应的影响。
- Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO).The yield was over 98.5%and the operation simple. 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯，产率达98.;5%25以上。
- Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO).The yield was over 98.5% and the operation simple. 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯;产率达98.;5%25以上。
- Effect of impact modifier ACR and ester exchange inhibitor on the mechanical properties of blending system was studied, and the morphology of blending system was observed with SEM. 结果表明,抗冲改性剂使共混体系冲击强度提高的同时,降低了共混体系的拉伸强度、弯曲强度及弯曲弹性模量;
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
