The present invention relates to a process for the preparation of 2H-benzotriazole compounds and congeners, novel 2H-benzotriazole compounds and congeners and their use as UV absorbers in coatings and bulk plastics.
本发明涉及一种制备2H-苯并三唑化合物及同系物的方法,新颖的2H-苯并三唑化合物及同系物,以及它们在涂料和大块塑料中作为
紫外线吸收剂的用途。