中国油脂
中國油脂
중국유지
CHINA OILS AND FATS
2014年
7期
69-72
,共4页
陈洁%聂小安%刘振兴%王义刚%蒋剑春
陳潔%聶小安%劉振興%王義剛%蔣劍春
진길%섭소안%류진흥%왕의강%장검춘
白花油%环氧化反应%环氧白花油脂肪酸甲酯%相转移催化剂
白花油%環氧化反應%環氧白花油脂肪痠甲酯%相轉移催化劑
백화유%배양화반응%배양백화유지방산갑지%상전이최화제
styrax tonkinensis seed oil%epoxidation%epoxidized styrax tonkinensis see d oil fatty acid methyl ester%phase transformation catalyst
以白花油为原料,采用自制的季铵盐型磷钨杂多化合物为相转移催化剂,构建无羧酸的均相环氧化反应体系,并通过正交实验优化反应条件。确定的最佳反应条件为:10 g白花油脂肪酸甲酯,氯代十六烷基吡啶、磷酸与钨酸摩尔比2:1:4的季铵盐型磷钨杂多化合物为催化剂,双氧水用量5.67 g,双氧水滴加速度150 mL/h,反应时间0.5 h,乙酸乙酯用量20 mL。在最佳条件下制备的环氧白花油脂肪酸甲酯的环氧值可达4.67%,并可有效缩短反应时间,避免有机酸废水污染。
以白花油為原料,採用自製的季銨鹽型燐鎢雜多化閤物為相轉移催化劑,構建無羧痠的均相環氧化反應體繫,併通過正交實驗優化反應條件。確定的最佳反應條件為:10 g白花油脂肪痠甲酯,氯代十六烷基吡啶、燐痠與鎢痠摩爾比2:1:4的季銨鹽型燐鎢雜多化閤物為催化劑,雙氧水用量5.67 g,雙氧水滴加速度150 mL/h,反應時間0.5 h,乙痠乙酯用量20 mL。在最佳條件下製備的環氧白花油脂肪痠甲酯的環氧值可達4.67%,併可有效縮短反應時間,避免有機痠廢水汙染。
이백화유위원료,채용자제적계안염형린오잡다화합물위상전이최화제,구건무최산적균상배양화반응체계,병통과정교실험우화반응조건。학정적최가반응조건위:10 g백화유지방산갑지,록대십륙완기필정、린산여오산마이비2:1:4적계안염형린오잡다화합물위최화제,쌍양수용량5.67 g,쌍양수적가속도150 mL/h,반응시간0.5 h,을산을지용량20 mL。재최가조건하제비적배양백화유지방산갑지적배양치가체4.67%,병가유효축단반응시간,피면유궤산폐수오염。
The self-made heteropolyphosphatotungstate was used as phase transformation catalyst in the epoxidation reaction of styrax tonkinensis seed oil. The epoxidation reaction was an efficient and environ-ment friendly process without traditionally used carboxylic acid as catalyst. The reaction conditions were optimized by orthogonal experiment as follows:fatty acid methyl ester of styrax tonkinensis seed oil 10 g, molar ratio of cetylpyridinium chloride monohydrate to phosphoric acid to tung stic acid of heteropoly-phosphatotungstate 2:1:4, hydrogen peroxide dosage 5. 67 g, dropping rate of hydrogen peroxide 150 mL/h,reaction time 0. 5 h and ethyl acetate dosage 20 mL. Under these conditions, the epoxy value of epoxidized styrax tonkinensis seed oil fatty acid methyl ester could reach 4 . 67%. The process had the items of short reaction time and no organic acid waste water pollution.