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脂肪醇醚硫酸盐直接转化合成醇醚磺酸盐 被引量:13

Synthesis of ethoxylated fatty alcohol sulfonate by direct conversion of ethoxylated fatty alcohol sulfate
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摘要 采用单因素法和正交分析法研究了脂肪醇聚氧乙烯醚(3)硫酸钠(AES-3)直接转化合成脂肪醇聚氧乙烯醚磺酸钠(AESO)工艺。结果表明,优化反应条件为:w(AES-3)=14%,n(SO32-)∶n(AES-3)=4∶1,x(Na2SO3)=92%,190℃压热条件下反应4 h,磺化率为75.4%,水解率为4.6%。在上述工艺条件下磺化脂肪醇聚氧乙烯醚(2)硫酸钠、十二烷基硫酸钠和壬基酚聚氧乙烯醚(4)硫酸钠的磺化率分别为72.3%,73.5%和67.4%。 Synthesis of ethoxylated fatty alcohol sulfonate(AESO) from direct conversion of ethoxylated fatty alcohol sulfate(AES-3) was studied by using single factor experiment and orthogonal experiment method.The experiment results indicated that the yield of AESO was as high as 75.4% along with only 4.6% of hydrolysis rate of AES under the optimized reaction conditions:n(SO32-)∶n(AES-3)=4∶1,x(Na2SO3)=92% and w(AES-3)=14% in aqueous solution at 190 ℃ for 4 h.Additionally,three other sulfate salts AES-2,sodium dodecyl sulfate(SDS) and sodium nonylphenyl polyoxyethylene ether sulfate(NPS-4) were prepared under the same conditions,and 72.3%,73.5% and 67.4% product yield was obtained respectively.
出处 《日用化学工业》 CAS CSCD 北大核心 2011年第2期79-82,共4页 China Surfactant Detergent & Cosmetics
基金 “十一五”国家科技支撑计划资助项目(2007BAE52B01) 中央高校基本科研业务费专项资金资助项目(JUSRP20905) 江苏省精细石油化工重点实验室开放基金资助项目(KF0903)
关键词 阴离子表面活性剂 亚硫酸盐 磺化 anionic surfactant sulfite sulfonation
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