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无毒增塑剂乙酰柠檬酸三丁酯的合成研究
引用本文:夏军,史高峰,陈学福,白利民.无毒增塑剂乙酰柠檬酸三丁酯的合成研究[J].塑料工业,2008,36(Z1).
作者姓名:夏军  史高峰  陈学福  白利民
作者单位:兰州理工大学石油化工学院,甘肃,兰州,730050
基金项目:甘肃省科技厅科技攻关项目
摘    要:以自制固体酸为催化剂进行酯化反应,通过正交实验得出酯化反应最佳工艺条件为酸醇物质的量比1:4,催化剂用量3%,固载量1:10,反应时间4 h.酰化反应采用廉价易得且后处理简单的催化剂NaHSO4并用正交实验法优选酰化工艺.优化后的工艺条件不仅简单实现了催化剂的重复利用,而且解决了产品的色泽问题,测得乙酰柠檬酸三丁酯折光率为1.442 9,无需脱色即得到了合格产品.

关 键 词:增塑剂  柠檬酸三丁酯  乙酰柠檬酸三丁酯  正交实验  无毒增塑剂  乙酰柠檬酸三丁酯  合成研究  Synthesis  合格产品  脱色  折光率  问题  重复利用  优化  工艺条件  酰化反应  优选  正交实验法  处理  廉价  反应时间  固载量  用量  物质的量

Study on Synthesis of Non-toxic Acetyltributyl Citrat
XIA Jun,SHI Gao-feng,CHEN Xue-fu,BAI Li-min.Study on Synthesis of Non-toxic Acetyltributyl Citrat[J].China Plastics Industry,2008,36(Z1).
Authors:XIA Jun  SHI Gao-feng  CHEN Xue-fu  BAI Li-min
Affiliation:XIA Jun,SHI Gao-feng,CHEN Xue-fu,BAI Li-min (School of Petrochemical Eng.,LanZhou University of Sci., Eng.,Lanzhou 730050,China)
Abstract:Tributyl citrate was synthesized with a self-made solid acid as catalyst,then the optimum esterification conditions were determined by means of orthogonal tests:the molar ration of citric acid to butyl alcohol was 1:4,the mass fraction of the catalyst was 3%,solid quantity was 1/10,reaction time was 4 h.In acetylation reaction, NaHSO_4 was used as catalyst,which was cheap and could be separated easily,and the acetylation process was optimized by means of orthogonal test.By the optimized conditions,the catal...
Keywords:Plasticizer  Tributyl Citrate  Acetyl Tributyl Citrate  Orthogonal Test  
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