棉针织物CGPA改性及活性染料染色效果的研究  

Modification of Cotton Knitted Fabric by CGPA and Study of Its Dyeing Effects by Reactive Dyes

作　　者：尧神梦 王雪燕[1] 

机构地区：[1]西安工程大学纺织与材料学院,陕西西安710048

出　　处：《针织工业》2015年第10期54-58,共5页Knitting Industries

基　　金：陕西省科技厅工业攻关项目(2014K08-08);陕西省科技厅工业攻关项目(2010K07-05);陕西省功能性服装面料重点试验室(14JS037)

摘　　要：采用自制的阳离子明胶蛋白助剂（CGPA）对棉针织物进行改性，并采用活性染料无盐或低盐染色。对改性工艺进行了优化．探讨了染色时盐的用量对上染率和固色率的影响．测试并对比了改性织物及未改性织物的染色效果。结果表明．棉针织物CGPA改性的最佳工艺为：在浴比1：20条件下．CGPA为12％。16％，改性温度50℃，预处理10min，加入2。3g／L的NaOH，保温处理30min；采用活性染料染色时，在不影响匀染性的前提下改性棉针织物获得了更高的上染率及固色率．可实现活性染料低盐甚至无盐染色：耐摩擦色牢度、耐洗色牢度有所降低，但手感基本不变。Cotton knitted fabric was modified by homemade cationic glutin auxiliaries （CGPA）, and it was dyed by reactive dyes with low salt or salt free. The modified technology was optimized, and the effects of dosage of salt on dye-uptake and fixation rate when dyeing were discussed, and dyeing effects of modified and unmodified fabric were tested and compared. The results show that the optimal process of cotton knitted fabric modified by CGPA is that the dosage of CGPA is 12%-16%, modifying temperature is 50 ℃, processing time is 10 minutes at first, then the dosage of sodium hydroxide is 2-3 g/L, and holding time is 30 minutes under the condition of 1：20 bath ration; when dyed by reactive dyes, modified cotton knitted fabric can obtain higher dye-uptake and fixation rate on the premise but without impact on dye levelness and it can realize dyeing with low salt or salt free by reactive dyes; the color fastness to rubbing and washing reduces, but hand feeling remains the same.

关 键 词：棉针织物 CGPA改性 活性染料 低盐染色 染色效果 

分 类 号：TS193.632[轻工技术与工程—纺织化学与染整工程]