Kinetics of esterification and transesterification for biodiesel production in two-step process;
酯化-酯交换两步法制备生物柴油的动力学
Progress of catalysts for producing biodiesel by esterification and transesterification reaction;
酯化及转酯化法制备生物柴油过程中催化剂的研究进展
Catalytic performance of phosphotungstic acid immobilized by sol-gel method for esterification of critic acid;
溶胶-凝胶法制备负载磷钨酸催化剂及其对柠檬酸酯化反应的性能
The effect of reaction timcxreaction temperaturexpH and citrate concentration on the esterify process were discussed.
柠檬酸酯淀粉是一种具有抗性作用酯化变性淀粉,在国外广泛应用于面包、饼干及其它食品中,以改善食品品质。
Based on single factor experiment including esterifying temperature,esterifying time,and vitriol dosage,the conditions for esterifying free fatty acid were optimized by response surface methodology and by determining acid value and content of V_E as evaluation indexes.
本研究在酯化温度、酯化时间和浓硫酸用量三个单因素试验的基础上,利用响应面分析法,以酯化后脱臭馏出物的酸价和VE含量为评价指标,对游离脂肪酸酯化条件研究。
Chemical modification including oxygenation, esterify, graft copolymerization and so on.
化学改性主要有氧化、交联、酯化和接枝共聚。
Solid superacids SO~2-_4/TiO_2-Al_2O_3 were prepared and used to catalyze the esterfication of iso-octyl alcohol and by-products in oxidization reaction of durene,which were pretreated before esterifying reaction.
考察了催化剂用量、异辛醇与混合酸的质量比、反应时间等因素对酯化反应的影响,确定了较佳的反应工艺条件:m(催化剂)∶m(异辛醇)∶m(混合酸)=0。
The influence factors esterfication reaction, such as catalyst amount, acid alcohol mole ration,reaction time were investigated.
考察了催化剂用量、原料配比、反应时间对酯化反应的影响。
On the basis of analyzing the starch reaction theory of esterfication and acknowledging the existing work that had been done by predecessors, the effects of conditions on the reactions together with the product's properties including clarity, the freeze-thaw stability and the degree of substitute (DS) were systematically studied by means of changing the condition such as the react.
在前人研究工作的基础上 ,通过改变反应温度、pH值、反应时间和醋酸酐用量等条件 ,探讨了这些条件对酯化反应的影响 ,并对产品的糊透明度、取代度、冻融稳定性等进行了系统的研究 ,并用Brabender粘度仪测定了样品的起糊温度、粘度峰值等温度变化过程中样品粘度性质的变
Study on the determination method about the esterifying enzymes from DaQu of Chinese Strong Flavour Liquor Making;
浓香型大曲中酯化酶测定方法的研究
The esterifying effects of monascus,daqu and rhizopus strain on single acid(acetic acid,caproic acid,lactic acid,butyric acid) and mixed acid(acetic acid,caproic acid,lactic acid,and butyric acid mixed together according to the ratio of 1∶1∶1∶1) were studied.
对红曲霉、大曲以及根霉菌对单一酸(乙酸、己酸、乳酸、丁酸)和混合酸(四大酸按11∶1∶1∶混合)的酯化效果进行了研究,结果表明,红曲霉能促进己酸、丁酸及混合酸与乙醇的酯化作用,生成的酯类物质均为己酸乙酯,而且酯化能力极强;大曲能促进己酸、丁酸及混合酸与乙醇的酯化作用,生成的酯类物质均为己酸乙酯,并且能促进乙酸与乙醇的酯化生成乙酸乙酯;根霉能促进己酸和混合酸与乙醇的酯化作用,生成少量的己酸乙酯和乳酸乙酯。
The disodium alkyl polyglycoside sulfosuccinate was synthesized by esterifying and sulfonating reaction of alkyl polyglycoside,succnic acid in the presence of p-toluenesulfonic acid,and influence fac- tors of the synthetic process were also studied.
以烷基多苷、顺丁稀二酸酐为原料,对甲苯磺酸为催化剂,通过酯化、磺化反应合成了阴离子表面活性剂—烷基多苷磺基琥珀酸单酯二钠盐,探讨了各主要影响因素对合成反应过程及结果的影响。
Study on technics of synthesize dimethyl fumaricate, firstly prefabricated fumaric acid, with furfural as raw material, V2O5 as catalyst and potassium chlorate as oxidizer then synthesized dimethyl fumaricate through esterication of fumaric acid and methanol with phosphor tungstenic acid as catalyst.
研究了以糠醛为原料，Ｖ２Ｏ５作催化剂，用氯酸钾氧化制取富马酸，然后以磷钨酸为催化剂，用甲醇进行酯化合成富马酸二甲酯的合成工艺。
This paper reported that a higuy active solid supperacid TiO_2/SO_4 catalysts and synthetizing roue and technolozical condition of esterication reaction for buthlacid and isoamylol.
报道固体超强酸TiO_2／SO~(2-)_4（以下简称TiO_2／SO_4）作为催化剂进行丁酸与异戍醇酯化反应的合成路线和工艺条件。
Preparation and catalytic esterifications of zirconia-based nanometer composite solid superacid;
纳米复合锆基固体超强酸的制备及其催化酯化反应
Experimental research on bio-oil catalytic esterification using cation exchange resins
生物油离子交换树脂催化酯化试验研究
The catalytic esterification activity of some bentonite samples treated with different methods were characterized.
负载稀土型酸活化膨润土的酯化催化活性李永绣，冯天泽，胡平贵，何小彬，辜子英，廖荣辉（南昌大学化学系南昌３３００４７）关键词稀土，膨润土，催化酯化可用稀土、膨润土单独作酯化催化剂，但活性不高［１～３］。
Direct Synthesis of Ethyl Acetate from Ethanol through Dehydrogenation, Disproportionation and Esterification
乙醇脱氢歧化酯化一步合成乙酸乙酯
The Lipase-catalysed Esterification and Transesterification in Ionic Liquid;
离子液体中脂肪酶催化酯化、转酯反应
Catalytic Esterification of Benzoic Acid to Ethyl Benzoate using CuCo_2O_4 as Catalyst
CuCo_2O_4催化酯化苯甲酸到苯甲酸乙酯
degree of xanthation
黄酸酯化度,黄化度
The Acid Value Determination of Ester of PET in Non-aqueous Solution System
聚酯酯化物非水溶液体系酸值的测定
Preparation of Dimethylene Adipate by Continuous Esterification
连续酯化制备1,6-己二酸二甲酯
Molybdenum Trioxide Catalyst for Transesterification of Dimethyl Carbonate and Phenyl Acetate to Diphenyl Carbonate
MoO_3催化碳酸二甲酯与乙酸苯酯合成碳酸二苯酯
Synthesis of Diphenyl Carbonate from the Transesterification Catalyzed by Dibutyltin Sulfonates
二丁基锡磺酸酯催化酯交换合成碳酸二苯酯
UV Cureable Waterborne Polyurethane-Acrylate Dispersions;
UV固化水性聚氨酯丙烯酸酯分散体
Research of Heparin Modification Onto Polycarbonate Urethane Surface
聚碳酸酯聚氨酯表面肝素化改性研究
Synthesis of didodecyl carbonate by transesterification on KNO_3/HMS
KNO_3/HMS催化酯交换法合成碳酸二月桂酯
Synthesis of diphenyl oxalate by transesterification over TiO_2/SiO_2 catalysts
TiO_2/SiO_2催化酯交换合成草酸二苯酯
Research Progress of UV-Curable Polyurethane Acrylate
紫外光固化聚氨酯丙烯酸酯研究进展
DMC Synthesis by Transesterification of Propylene Carbonate and Methanol over CaO near Room Temperature
氧化钙室温催化碳酸丙烯酯和甲醇的酯交换合成碳酸二甲酯
Synthesis of UV-Curable Hyperbranched of Polyester Urethane Acrylates
可UV固化的超支化聚酯改性聚氨酯丙烯酸酯的合成
Organotitanium Compound Catalysts for Transesterification of Dimethyl Carbonate and Phenyl Acetate to Diphenyl Carbonate
有机钛化合物催化碳酸二甲酯与乙酸苯酯合成碳酸二苯酯
diisopropyl peroxy dicarbonate
过氧化二碳酸二异丙酯
dicyclohexyl peroxydicarbonate
过氧化二碳酸二环已酯