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.
                            3-位置和/或5-位置的苯环上取代为α-矢车菊基团的2H-苯并三唑紫外吸收剂在汽车涂料中特别具有光稳定性,并且在热塑性组合物中具有低色度和低挥发性。