The present invention relates to new compounds which are useful as ultraviolet absorbing agents (UVAs) and as fluorescent whitening agents (FWAs), and to a method of improving the sun protection factor (SPF) of textile fibre material, especially cotton, polyamide and wool, treated with the new compounds and with certain known compounds.
本发明涉及可用作
紫外线吸收剂(UVAs)和
荧光增白剂(FWAs)的新化合物,以及用新化合物和某些已知化合物处理纺织纤维材料(特别是棉、聚酰胺和羊毛)以提高其防晒系数(
SPF)的方法。