活性染料印花针织物前处理工艺

Pretreatment of knitgoods for reactive printing

针织物活性染料印花对印坯的前处理要求较高,如煮练匀透,去碱净,毛效高。介绍了三种前处理煮练工艺:冷轧堆、溢流机前处理和松式绳状练漂联合机前处理,可适用于不同批量和印花花型。

Knitted goods for reactive printing need even scouring, complete alkali removal and high capillary effect. Three methods of scouring are applied, such as cold pad-batch, pretreatment in overflow machine, and pretreatment in slack bleaching and scouring machine, which are suitable for different batches and printing patterns.