Benzotriazoles containing &agr;-cumyl groups substituted by heteroatoms and compositions stabilized therewith
申请人:Ciba Specialty Chemicals Corporation
公开号:US06451887B1
公开(公告)日:2002-09-17
2H-Benzotriazole UV absorbers substituted at the 3-position and/or the 5-position of the phenyl ring by &agr;-cumyl moiety which is substituted by a heteroatom are particularly photostable in automotive coatings, and are of low color and exhibit low volatility in thermoplastic compositions.
在汽车涂料中,3-位置和/或5-位置的苯环上以α-叔丁基基团为代表的2H-苯并三唑UV吸收剂,其被杂原子取代,尤其具有光稳定性,且在热塑性组合物中具有低色度和低挥发性。