esterifying agent 中文意思是什麼
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The operation principle and device to produce acetin and hydroxyethyl acetate for foundry firming agent were analyzed in the paper, and the choice of esterification catalyst and dehydrated agent in the esterifying process also were analyzed theoretically, and finally, the better producing operation device, catalyst and dehydrated agent were obtained
摘要分析了鑄造用有機酯固化劑酯酸甘油酯和乙二醇醋酸酯合成工藝原理及裝置，同時對有機酯合成工藝條件中脫水劑和催化劑的選擇的理論依據進行了分析，得出鑄造用有機酯固化劑的最佳合成工藝裝置和脫水劑、催化劑。 -
The effect of the catalysts, e. g., concd. sulfuric acid, p - toluenesulfonic acid, dodecylbenzenesul - fonic acid on the esterification of starch was studied with cassava starch as the raw material, acetic anhydride as the esterifying agent and acetic acid as the dispersion medium
摘要以木薯澱粉為原料，用醋酸酐為酯化劑，以乙酸為分散遞質，探索了以濃硫酸、對甲基苯磺酸、十二烷基苯磺酸為催化劑對澱粉醋酯化反應的影響。
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