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.
作者
顾贵洲
丁子洋
胡修波
李政
李丹
宋昕洋
GU Gui-zhou;DING Zi-yang;HU Xiu-bo;LI Zheng;LI Dan;SONG Xin-yang(College of Chemistry,Chemical Engineering and Environmental Engineering,Liaoning Shihua University,Fushun 113001,China;Liaoning Hongshan Chemical Co.,Ltd.,Chaoyang 122000,China)
出处
《应用化工》
CAS
CSCD
北大核心
2019年第5期1035-1037,共3页
Applied Chemical Industry
基金
国家自然科学基金(41701364)
辽宁省博士启动基金(20170520109
201601333)
