广东化工
廣東化工
엄동화공
GUANGDONG CHEMICAL INDUSTRY
2012年
5期
45-46
,共2页
硫酸氢钠%催化%酯化%乙酸丙酯
硫痠氫鈉%催化%酯化%乙痠丙酯
류산경납%최화%지화%을산병지
sodium bisulfate%catalysis%esterification%propyl acetate
以硫酸氢钠为催化剂,实现了乙酸和丙醇的酯化反应,并对影响酯化率的各种因素进行了研究。结果表明：最佳反应条件为乙酸用量0.1 mol时,醇酸物质的量比为1.4,催化剂用量为0.10 g,15 mL环己烷作带水剂,在温度为78~85℃,反应时间1.5 h,酯化率达98%以上。
以硫痠氫鈉為催化劑,實現瞭乙痠和丙醇的酯化反應,併對影響酯化率的各種因素進行瞭研究。結果錶明：最佳反應條件為乙痠用量0.1 mol時,醇痠物質的量比為1.4,催化劑用量為0.10 g,15 mL環己烷作帶水劑,在溫度為78~85℃,反應時間1.5 h,酯化率達98%以上。
이류산경납위최화제,실현료을산화병순적지화반응,병대영향지화솔적각충인소진행료연구。결과표명：최가반응조건위을산용량0.1 mol시,순산물질적량비위1.4,최화제용량위0.10 g,15 mL배기완작대수제,재온도위78~85℃,반응시간1.5 h,지화솔체98%이상。
NaHSO4 was used as catalyst for estrification of Aetic acid with propanol and discussed the variant conditions in reaction of estrification.The result shows that the best reaction condition was： Based on 0.1mol acetic acid,molar ratio of propanol to acetic acid was 1.4,mass of catalyst was 0.10 g,the taking water reagent was 15 mL,reaction temperature was between 78~85 ℃,reaction time was 1.5 h.The yield of propyl acetate reached 98 %.
