聚乳酸纤维的低温染色工艺  

Low temperature dyeing process of polylactic acid fiber

作　　者：孙红玉 闫英山[3] 贾荣霞 于琦 薛建成[3] 时静媛 赵倩 SUN Hongyu;YAN Yingshan;JIA Rongxia;YU Qi;XUE Jiancheng;SHI Jingyuan;ZHAO Qian(Key Laboratory of New Dyeing Technology in Short Process of Shandong Province,Binzhou 256600,China;Huangfang Engineering Technology Research Institute Limited of Binzhou,Binzhou 256600,China;National Enterprise Technology Center,Huafang Co.Ltd.,Binzhou 256617,China)

机构地区：[1]山东省短流程印染新技术重点实验室,山东滨州256600 [2]滨州华纺工程技术研究院有限公司,山东滨州256600 [3]华纺股份有限公司国家级企业技术中心,山东滨州256617

出　　处：《染整技术》2022年第1期34-36,共3页Textile Dyeing and Finishing Journal

基　　金：2020年山东省自然科学基金重点项目(ZR2020KE055)。

摘　　要：聚乳酸纤维作为新型环保型纤维,具有良好的发展前景。由于聚乳酸纤维耐热性差,影响分散染料上染,还会影响纤维的其他性能如手感、断裂强力等。聚乳酸纤维染色温度的选择至关重要,约克夏染料在较低温度95℃时,上染率达到要求。上染时间长短对聚乳酸纤维的染色也尤为重要,在染色时间为30 min时,上染率达到最高值。在染液pH=5的条件下进行染色能够减少对纤维的损伤。采用该工艺染色后,纤维的耐皂洗色牢度指标优异。As a new type of environment friendly fiber, polylactic acid(PLA) fiber has a very good development prospect. Due to the poor heat resistance of PLA fiber, it affects the disperse dyeing and also other properties of the fiber such as hand feel and breaking strength. The choice of dyeing temperature of PLA fiber is crucial. The dye uptake rate of Yorkshire Dyes meets the requirements at a lower temperature of 95 ℃. The dyeing time is also particularly important for the dyeing of PLA fiber and the dyeing uptake rate reaches the highest value at the dyeing time of 30 min. Dyeing under the condition of pH=5 of dyeing solution can reduce the damage to the fiber. After dyeing with the above process, the fiber has an excellent soaping index.

关 键 词：聚乳酸纤维 分散染料 低温染色 

分 类 号：TS193.5[轻工技术与工程—纺织化学与染整工程]