湛江师范学院学报
湛江師範學院學報
담강사범학원학보
JOURNAL OF ZHANJIANG NORMAL COLLEGE
2011年
6期
99-102
,共4页
大豆油%过氧化氢%环氧化%浓硫酸%环氧化大豆油
大豆油%過氧化氫%環氧化%濃硫痠%環氧化大豆油
대두유%과양화경%배양화%농류산%배양화대두유
soybean oil%hydrogen peroxide%epoxidized reaction%concentrated sulfuric acid%epoxidized soybean oil
以浓硫酸为催化剂,大豆油为原料,采用乙酸—过氧化氢一步法合成环氧化大豆油增塑剂.考察了反应温度,反应时间,催化剂,30%过氧化氢及冰乙酸用量等因素对环氧化反应的影响.结果表明,合成环氧化大豆油的最佳条件为:反应温度为60℃,30%过氧化氢用量为80%,冰乙酸用量为18%,浓硫酸用量为1.5%,反应时间为6h.在最佳条件下合成的环氧化大豆油环氧化值为5.38%.
以濃硫痠為催化劑,大豆油為原料,採用乙痠—過氧化氫一步法閤成環氧化大豆油增塑劑.攷察瞭反應溫度,反應時間,催化劑,30%過氧化氫及冰乙痠用量等因素對環氧化反應的影響.結果錶明,閤成環氧化大豆油的最佳條件為:反應溫度為60℃,30%過氧化氫用量為80%,冰乙痠用量為18%,濃硫痠用量為1.5%,反應時間為6h.在最佳條件下閤成的環氧化大豆油環氧化值為5.38%.
이농류산위최화제,대두유위원료,채용을산—과양화경일보법합성배양화대두유증소제.고찰료반응온도,반응시간,최화제,30%과양화경급빙을산용량등인소대배양화반응적영향.결과표명,합성배양화대두유적최가조건위:반응온도위60℃,30%과양화경용량위80%,빙을산용량위18%,농류산용량위1.5%,반응시간위6h.재최가조건하합성적배양화대두유배양화치위5.38%.
With concentrated sulfuric acid as catalyst,soybean oil react with the system of acetic acid-hydrogen peroxide to synthesize epoxidized soybean oil.The reaction temperature,reaction time,catalyst,hydrogen peroxide,acetic acid consumption were studied.The results showed that the optimum parameter was reaction temperature 60 ℃,30% hydrogen peroxide 80%,acetic acid 18%,concentrated sulfuric acid catalyst 1.5%,reaction time 6 h.Under optimal conditions,the epoxidation value of the product was 5.38%.