含羟辛基螺吡喃化合物的制备及在变色纺织品中的应用  

Synthesis of spiropyran compound containing hydroxyoctyl group and its application in color-changing fabric

作　　者：李梦梦 李宁宁 谢孔良[1] 高爱芹[1] LI Mengmeng;LI Ningning;XIE Kongliang;GAO Aiqin(College of Chemistry,Chemical Engineering and Biotechnology,Donghua University,Shanghai 201620,China)

机构地区：[1]东华大学化学化工与生物工程学院,上海201620

出　　处：《印染》2022年第3期1-5,11,共6页China Dyeing and Finishing

基　　金：中国纺织工业联合会“纺织之光”应用基础研究项目(No.J202005);上海市自然科学基金项目(No.20ZR1400300)。

摘　　要：以2,3,3-三甲基吲哚啉、8-溴正辛醇、5-硝基水杨醛为原料,合成了3,3-二甲基-N-羟辛基-6-硝基-苯并吡喃光致变色化合物,通过红外光谱和核磁共振氢谱表征了结构,研究其在乙腈中的光致变色性能,在不同极性的溶剂介质中紫外-可见吸收光谱的溶剂效应,以及开环和闭环动力学。将该化合物应用于涤纶织物染色,可制备出光致变色功能纺织品,其敏感、快速的光致变色性能,在开发智能变色纺织品领域中具有一定的应用价值。3,3-dimethyl-N-hydroxyoctyl-6-nitro-benzopyran photochromic compound is synthesized from 2,3,3-trimethylindoline,8-bromooctanol and 5-nitrosalicylaldehyde.The structure is characterized by IR and 1 H NMR,and its photochromic properties in acetonitrile,solvent effects on UV-Vis absorption spectroscopy in sol⁃vent media of different polarities,and ring-opening and ring-closing kinetics are investigated.The compound is applied to dyeing of polyester fabric,and photochromic functional textiles can be prepared,and its sensitive and fast photochromic properties have certain application value in the field of developing intelligent colorchanging textiles.

关 键 词：光致变色 吲哚啉螺吡喃 溶剂效应 变色纺织品 

分 类 号：TS193.2[轻工技术与工程—纺织化学与染整工程]