磺酸型树脂催化合成1,2,3,4-丁烷四羧酸四甲酯工艺研究  

STUDY ON THE SYNTHESIS OF 1,2,3,4-BUTANE TETRACARBOXYLIC ACID TETRAMETHYL ESTER CATALYZED BY SULFONIC ACID RESIN

作　　者：王洋洋 田军 范小鹏 刘荣新 王慧君 Wang Yangyang;Tian Jun;Fan Xiaopeng;Liu Rongxin;Wang Huijun(Rianlon kaiya(Hebei)New Materials Co.,Ltd.,Hengshui 053000,Hebei,China;HALS R&D Center,Tianjin Rianlon New Materials Co.,Ltd.,Tianjin 300000,China)

机构地区：[1]利安隆凯亚(河北)新材料有限公司,河北衡水053000 [2]天津利安隆新材料股份有限公司HALS研发中心,天津300000

出　　处：《精细石油化工》2024年第2期39-42,共4页Speciality Petrochemicals

摘　　要：以1,2,3,4-丁烷四羧酸和甲醇为原料、磺酸型树脂为催化剂,通过酯化反应合成了1,2,3,4-丁烷四羧酸四甲酯,考察了反应温度、催化剂种类、催化剂添加量、投料摩尔比对酯化反应的影响及催化剂稳定性。结果表明,优化工艺条件为:反应温度70℃,醇酸摩尔比为6∶1,催化剂型号为amberlyst35,催化剂添加量15%,反应48 h,产品收率可达到97%以上。Tetramethyl 1,2,3,4-butane tetracarboxylate was synthesized through esterification reaction using 1,2,3,4-butanetetracarboxylic acid and methanol as raw materials and sulfonic resin as catalyst.The effects of reaction temperature,catalyst type,catalyst addition amount,and feed molar ratio on esterification reaction and catalyst stability were investigated.The optimal process conditions were determined as follows:reaction temperature 70℃,molar ratio of alcohol to acid 6∶1,catalyst model amberlyst35,catalyst addition 15%,reaction time 48 hours,and product yield could reach over 97%.

关 键 词：磺酸树脂 1 2 3 4-丁烷四羧酸 1 2 3 4-丁烷四羧酸四甲酯 酯化反应 

分 类 号：O643.32[理学—物理化学]