In this paper, the discovery of light stabilizing activity of hindered amines,the progress in products development and research of mechanism and application of HALS were reviewed systematically.

• 受阻胺光稳定剂(HALS)是国外80年代聚合物稳定化助剂开发研究领域的重要课题。本文综述了受阻胺光稳定活性的发现、机理、品种开发与应用研究的进展。