CAJ | 학술논문

以杯[4]芳烃磺酸钠为催化剂,以乙酸与正丁醇为原料,通过酯化反应合成乙酸正丁酯,考察了催化剂用量、原料配比和反应时间对酯化反应的影响,产品进行折光指数检测。结果表明,杯[4]芳烃磺酸钠作为催化剂,乙酸物质的量为0.1 mol,醇酸物质的量比为1.2,催化剂质量为1 g,反应时间为4 h时,酯化率可达81.41%,杯[4]芳烃磺酸钠可以重复使用多次。
이배[4]방경광산납위최화제,이을산여정정순위원료,통과지화반응합성을산정정지,고찰료최화제용량、원료배비화반응시간대지화반응적영향,산품진행절광지수검측。결과표명,배[4]방경광산납작위최화제,을산물질적량위0.1 mol,순산물질적량비위1.2,최화제질량위1 g,반응시간위4 h시,지화솔가체81.41%,배[4]방경광산납가이중복사용다차。
Calix[4]arene Sulfonic Acid Sodium was used as a non homogenous catalyst for synthesis of n-Butyl acetate using acetic acid and n-butyl alcohol as raw materials.The effects of reaction conditions,such as the quantity of catalyst,the ratio of the reactants and reaction time were discussed respectively.The product was characterized by index of refraction.The suitable conditions for the reaction were as follows:acetic acid 0.1 mol,molar ratio of n-butyl alcohol to acetic acid 1.2,catalyst amout 1 g,reaction time 4 h,the yield of n-butyl acetate can reach 81.41%.The catalyst could be used repeatedly keeping its initial activity.