2,6-萘二甲酸合成和提纯技术进展  

Advance in synthesis and purification technology of 2,6-naphthalene dicarboxylic acid

作　　者：焦宁宁[1] 王建明[1] 

机构地区：[1]中国石油兰州石化公司石油化工研究院,甘肃兰州730060

出　　处：《石化技术与应用》2002年第6期410-416,共7页Petrochemical Technology & Application

摘　　要：讨论了 2 ,6-二甲基萘、2 ,6-二异丙基萘、2 ,6-烷基酰基萘和 2 ,6-二乙基萘氧化制备 2 ,6-萘二甲酸 (2 ,6-NDCA)的反应机理和工艺条件 ,同时讨论了Henkel法和羰基化法制备 2 ,6-NDCA的工艺条件 ;论述了酯化法、加氢法和溶剂重结晶法提纯 2 ,6-NDCA的工艺条件 ;对各种氧化和提纯方法进行了分析比较 ,提出了发展建议。The reaction mechanism and process conditions of oxidization of 2,6-dimethylnaphthalene,2,6-diisopropylnaphthalene,2,6-alkyl acylnaphthalene and 2,6-diethylnaphthalene for 2,6-NDCA were discussed.The process conditions of Henkel process and carbonylation were also discussed.The process conditions of esterification,hydrogenationand solvent recrystallization for 2,6-NDCA were stated.The oxidation and purification methods were analyzed and compared.The suggestions on the development of 2,6-NDCA was made.

关 键 词：2 6-萘二甲酸 2 6-二烷基萘氧化 Henkel法 羰基化 提纯 

分 类 号：TQ242.3[化学工程—有机化工]