棉子糖基无甲醛亲水性免烫整理剂制备及应用  

Preparation and Application of Raffinose-based Formaldehyde-free Hydrophilic Anti-wrinkle Finishing Agent

作　　者：娄江飞 范雪荣 袁久刚 徐进 Lou Jiangfei;Fan Xuerong;Yuan Jiugang;Xu Jin(Key Laboratory of Science and Technology of Eco-Textile,Ministry of Education,Jiangnan University,Wuxi,Jiangsu 214122,China)

机构地区：[1]江南大学生态染整技术教育部重点试验室,江苏无锡易214122

出　　处：《针织工业》2022年第11期25-30,共6页Knitting Industries

基　　金：国家重点研发计划(2017YFB0309202)。

摘　　要：为解决染整行业常用抗皱整理剂整理棉织物甲醛释放、亲水性降低问题,通过TEMPO-NaIO4选择性氧化体系对棉子糖进行两步氧化,制备一种新型的无甲醛亲水性抗皱整理剂——棉子糖多醛酸整理剂(简称openRa)。采用盐酸羟胺-甲基橙滴定法测定其醛基含量,并利用FTIR、1H NMR表征了openRa分子结构;优化openRa对棉织物抗皱整理的最佳整理工艺,并对比分析openRa在提高织物抗皱效果和亲水性能的优势。结果表明:openRa整理织物的最佳工艺为:openRa的浓度为100~150 g/L,pH值为4.0,SHP∶MgCl2=8∶12,150℃焙烘3 min和180℃焙烘2 min。与丁烷四羧酸、柠檬酸、醚化2D树脂和戊二醛等常规整理剂比较,经过openRa整理后,折皱回复角达到了261.5°、白度为61.5%,强力保留率≥65.0%,同时整理后织物的润湿时间≤2 s。In anti-wrinkle finishing,the hydrophilicity of treated cotton fabric with traditional anti-crease finishing agents is greatly reduced.In this study,raffinose is oxidized by TEMPO—sodium periodate selective oxidation system to prepare a new formaldehyde-free hydrophilic anti-wrinkle finishing agent—raffinose polyuronic acid finishing agent(openRa).Hydroxylamine hydrochloride-methyl orange titration method is used to determine its aldehyde content,and the molecular structure of openRa is characterized by FTIR and1H NMR.The finishing process is optimized,and the advantages of openRa in improving the anti-wrinkle effect and hydrophilic properties of the fabric are compared and analyzed.The results show that the optimized process is:the concentration of openRa is 100~150 g/L,pH is 4.0,SHP∶MgCl2=8∶12 g/L,and the curing conditions are 150℃curing for 3minutes and 180℃for 2min.Compared with conventional finishing agents,after openRa finishing,the wrinkle recovery angle reached 261.5°,the WI is 61.5%,and the strong retention rate was≥65.0%,the wetting time of the finished fabric is less than 2 seconds.

关 键 词：选择性氧化 棉子糖 无甲醛 抗皱性能 亲水性能 

分 类 号：TS195.55[轻工技术与工程—纺织化学与染整工程]