UV absorbers of benzotriazole, processes for their preparation, their use and their intermediary, and composition stabilized against degradation induced by light.

摘要

The present invention relates to new UV absorbers of benzotriazole having an absorption spectrum shifted wavelength with significant absorbance up to 410 - 420 nm.Other aspects of the invention is a process for its preparation.A UV stabilized composition containing UV absorbers and the use of new compounds as UV light stabilizers for organic materials.