for the esterification of n-butyl acetate catalyzed by the resin, the apparent activation energy(ea), catalytic coefficient (ka) and effect of internal and external diffusion were investigated.
考察了树脂催化剂液相合成乙酸丁酯反应的表观活化能、催化系数和内外扩散影响。
the synthesis of n-butyl acetate from acetic acid and n-butanol with mixed rare earth chlorides as catalyst was studied.
研究了以混合氯化稀土为催化剂,乙酸和正丁醇为原料合成乙酸正丁酯,并考察了影响反应的因素。
in the invention, at first, a multi-polymer is obtained by polymerizing the latexes of a methacrylic acid n-butyl acetate monomer and a styrene monomer of different proportions;
本发明首先通过不同比例的甲基丙烯酸正丁酯单体和苯乙烯单体的乳液聚合得到共聚物;
in several individual mixtures of n-butyl acetate with water, acetic acid or ethanol, solubilities of penicillin g potassium or sodium were determined at 27.0—50.0 ℃.