esterification catalyst的例句大全

the task is highly active ptt polymerization catalysts preparation by means of direct esterification method to use pta and pdo as raw material direct esterification synthesis of ptt. two aspects were under consideration: one is organic titanium system catalyst, the other is inorganic composite catalyst.

本课题针对以PTA与PDO为原料按照直接酯化法合成PTT的催化剂进行研究。研究内容主要包含两个方面：一是有机钛系催化剂，二是无机复合型催化剂。

in present study, butyryl chitosans were synthesized by esterification with butyric anhydride as catalyst.

考察了催化剂和反应时间对丁酰化反应的影响。

premixing acrylic acid and catalyst had the advantage of improving esterification degree and decreasing the viscosity of product.

将丙烯酸与催化剂预先混合有利于提高产物的醋化程度及降低产物粘度。

niobic acid as a solid catalyst can be directly applied in the hydrolysis, esterification, condensation and alkylation reaction etc.

铌酸可直接作为固体催化剂，应用于水解、酯化、缩合、烷基化等反应中；

using sncl_4 · 5h_2o/ c as catalyst, acetic acid and ethanol as raw materials, ethyl acetate was prepared via direct esterification.

以SnCl4·5H2O/C为催化剂、用乙酸和乙醇为原料，直接酯化合成乙酸乙酯。

n-octyl acetate was synthesized from n-octanol and acetic acid by direct esterification using strongly acidic cation exchange resin as catalyst.

以乙酸和正辛醇为原料，强酸性阳离子交换树脂为催化剂，直接酯化合成了乙酸辛酯。

isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute h2so4 as catalyst.

以乙烯酮和丙酮为原料，用强酸性离子交换树脂代替浓硫酸作为催化剂，直接酯化合成乙酰丙酮的中间体乙酸异丙烯酯。

using conditional test, the isobutyraldehyde glycol acetal was synthesized from isobutyraldehyde and ethylene glycol by direct esterification using strong acidic cation exchange resin as catalyst.

运用条件实验法，以异丁醛、乙二醇为原料，强酸性阳离子交换树脂为催化剂，合成了异丁醛乙二醇缩醛产品。

gallic acid lauryl alcohol ester was synthesized from gallic acid and lauryl alcohol by direct esterification using solid super acid s_2o_8 2-/ zro_2 as catalyst in the solvent of dioxane.

以固体超强酸S2O82-/ZrO2为催化剂，以没食子酸和月桂醇为原料，二氧六环作溶剂，直接酯化合成没食子酸月桂醇酯。

abstract a saturated hydroxy polyester resin has been prepared with polycarboxylic acid and polyol at the presence of catalyst and chain transfer agent by the direct melt esterification process.

在催化剂、链支化剂存在下多元酸和多元醇直接熔融酯化、常压缩聚合成饱和羟基聚酯。

esterification of high acid value oil with stannic chloride catalyst

四氯化锡对高酸值油脂酯化催化作用的实验研究

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.

Benzyl benzoate was synthesized by the esterification of sodium benzoate and benzyl chloride in the presence of water and triethylamine which was taken as the phase transfer catalyst.

研究了在有水存在下，利用相转移催化剂三乙胺催化苯甲酸钠和氯化苄的酯化反应。

Isoamyl benzoate was synthesized by esterification of benzoic acid and isoamyl alcohol over Ti ( SO_4)_2/ SiO_2 catalyst.

以Ti（SO4）2/SiO2为催化剂，苯甲酸和异戊醇为原料，合成了苯甲酸异戊酯。

Diethyl adipate was synthesized with ion exchange resin catalyst HD-8 in liquid-solid phase esterification.

本文以离子交换树脂作为液固相酯化反应的催化剂，甲苯作为带水剂，合成己二酸二乙酯。

The synthesis of butyl acetate with acetic acid and butanol as reactants and ammonium ceric sulfate as catalyst was studied. Through experiment, the influencing factors of reaction were investigated. The results showed that the esterification rate is over 93.4%.

研究了以硫酸铈铵为催化剂，乙酸和正丁醇为原料合成乙酸正丁酯，通过试验确定了最佳合成条件，结果表明，在适宜条件下其酯化率可达93.4%。

Using sulfamic acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied.

采用苯酚和乙酸酐直接酯化合成乙酸苯酯，用红外光光谱对反应产物进行了分析。

The paper introduces the character preparation of molecular sieve catalyst and application in esterification reaction.

介绍了分子筛催化剂的特点、制备及其在酯化反应中的应用.

The preparation of Chitosan Sulfate and its application as catalyst in esterification were summarized.

本文综述了壳聚糖硫酸盐的制备和作为催化剂在酯化反应中的应用研究.

Taking the synthesis of butyl acetate by the catalytic esterification of acetic acid and butanol as a probe reaction, a series of studies on the preparation of the catalyst and its activity was made.

以乙酸和正丁醇催化酯化合成乙酸丁酯为探针反应，对氧化铌负载型催化剂的制备与催化活性进行了一系列研究，得出了优惠工艺条件。