2H-benzotriazole UV absorders substituted with 1,1-diphenylalkyl groups and compositions stabilized therewith
申请人:Ciba Specialty Chemical Corporation
公开号:US06392056B1
公开(公告)日:2002-05-21
2H-Benzotriazole UV absorbers substituted at the 3-position or at the 5-position of the phenyl ring by a 1,1-diphenylalkyl moiety, particularly a 1,1-diphenylethyl group, are particularly photostable in automotive coatings, and are of low color and exhibit low volatility in thermoplastic compositions.
在汽车涂料中,以1,1-二苯基乙基基团取代苯环的3位或5位的2H-苯并三唑紫外吸收剂,特别是以1,1-二苯基乙基基团为代表,具有特别的光稳定性,并且在热塑性组合物中具有低色度和低挥发性。