Compounds of the formula (I) as defined herein are useful for stabilizing spandex. Stabilized spandex compositions are obtained by intermixing spandex polymer or prepolymer with stabilizing amounts of one or more compounds of the formula (I). Preferred stabilized spandex polymer or prepolymer compositions exhibit improved color stability.
本公式(I)定义的化合物可用于稳定
氨纶。通过将
氨纶聚合物或预聚物与一种或多种本公式(I)定义的化合物的稳定剂量混合,可获得稳定的
氨纶组合物。首选稳定的
氨纶聚合物或预聚物组合物具有改善的色彩稳定性。