高品质失水山梨醇单油酸酯合成条件优化
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摘要
以劣质油酸为原材料,考察不同催化剂种类、反应时间和反应温度对失水山梨醇单油酸酯(Span80)酸值、皂化值和羟值的影响。结果表明,山梨醇和油酸的使用量分别为159 g和360 g,以原材料质量分数0.2%氧化锌作为催化剂,在210℃的真空条件下反应2.5 h,此时,产品Span80的酸值、皂化值和羟值分别是5.8,154.1,207.3 mg KOH/g。符合中华人民共和国标准《食品安全国家标准食品添加剂山梨醇酐单油酸酯(司盘80)》(GB 13482—2011)的规定。
The low-quality oleic acid was used as raw material.The effects of different types of catalyst,reaction time and reaction temperature on the acid value,saponification value and hydroxyl value of sorbitol monooleate(Span80) were investigated.The results showed that 159 g sorbitol and 360 g oleic acid,with 0.2% zinc oxide as catalyst,reacted with 2.5 h at 210 ℃ in vacuum,at this time the acid value,saponification value and hydroxyl value of product Span80 were 5.8,154.1,207.3 mg KOH/g,respectively.In line with the national standard of the People's Republic of China 《Food Safety National Standard Food Additive Sorbitan Monooleate(Span80)》(GB 13482—2011) provisions.
The low-quality oleic acid was used as raw material.The effects of different types of catalyst,reaction time and reaction temperature on the acid value,saponification value and hydroxyl value of sorbitol monooleate(Span80) were investigated.The results showed that 159 g sorbitol and 360 g oleic acid,with 0.2% zinc oxide as catalyst,reacted with 2.5 h at 210 ℃ in vacuum,at this time the acid value,saponification value and hydroxyl value of product Span80 were 5.8,154.1,207.3 mg KOH/g,respectively.In line with the national standard of the People's Republic of China 《Food Safety National Standard Food Additive Sorbitan Monooleate(Span80)》(GB 13482—2011) provisions.
引文
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[2] 颜小东.聚异丁酰丁二酸山梨醇酯的合成及应用研究[D].南京:南京理工大学,2015.
[3] Ahmed N S,Nassar A M.Lubricating oil additives based on polyalkypolyamines[J].Int J Polymer Master,2009,58(3):178-190.
[4] Giesslman M D.Mannich post-treatment of PIBSA dispersants for improved diepersion of EGR soot:US,0016192A1[P].2010-01-21.
[5] Huffer S,Schwab P,Scchurmann G,et al.Low-molecular and high-molecular weight emulsifiers,particularty based on polyisobutylene,and mixtures thereof:US,0154216A1[P].2004-08-12.
[6] Dang V A,Fezza R J,Schneckenburger D E,et al.Irradiated,oxidized olefin polymer dispersing agents:US,6677395B1[P].2004-01-13.
[7] Filippini B B,Lange R M,Grisso B A,et al.Partially dehydrated reaction product,process for making same,and emulsion containing same:US,0055677A1[P].2004-05-25.
[8] Vries H J,Buwalda L P.Emulsifier:US,0029928A1[P].2010-02-04.
[9] 程刘锁.聚异丁稀丁二酸醇胺绿色合成方法及应用研宄[D].南京:南京理工大学,2014.
[10] 宋力赛.失水山梨醇倍半油酸醋及双子衍生物的合成与性能研究[D].南京:南京理工大学,2016.
[11] 姚志坤,阮达,杨定邦,等.以Span80为乳化剂制备煤油包水乳状液的实验研究[J].西南民族大学学报:自然科学版,2015,41(4):417-422.
[12] 董云,赵华平,习锟.乳化炸药用Span-80生产工艺控制及在炸药生产中的应用[J].当代化工研究,2018(4):36-37.
[13] 黄慧.失水山梨醇聚油酸酯的合成研究[D].南京:南京林业大学,2016.
[14] 郭宝义.司盘-80质量指标与乳化液稳定性关系的研究[J].辽宁化工,2000(3):136-138.