Described herein are compositions including O,O′-diacetyl leucoindigo. Also described herein are methods of pre-dyeing fibers with O,O′-diacetyl leucoindigo, followed by developing the pre-dyed fibers using hydrolysis or oxidation conditions to form indigo-dyed fibers. Also disclosed are indigo-dyed fibers, textiles, and fabrics made using O,O′-diacetyl leucoindigo, wherein cellulose, polyester, polyacrylonitrile, nylon, wool, and other compositional fiber types are suitably dyed with indigo dye using the described compositions and methods.
本发明涉及包含O,O′-
二乙酰基羟基
吲哚的组合物。此外,还描述了用O,O′-
二乙酰基羟基
吲哚对纤维进行预染色的方法,随后通过
水解或氧化条件对预染色的纤维进行处理,以形成染色的纤维。公开的还有使用O,O′-
二乙酰基羟基
吲哚染色的纤维、纺织品和织物,其中 cellulose(
纤维素)、polyester(聚酯)、polyacrylonitrile(聚
丙烯腈)、nylon(尼龙)、wool(羊毛)等各类纤维原料均能被靛蓝染色,使用所述的组合物和方法得到合适的染色效果。