Ultraviolet ray-absorbing aromatic compound and polymeric composition containing the same
申请人:TEIJIN LIMITED
公开号:EP0643039A1
公开(公告)日:1995-03-15
An aromatic o-hydroxyamide compound of the formula (I)
wherein the formula:
is a divalent aromatic group the formula:
R¹ = H, halogen, C₁₋₁₀ alkyl group, or C₁-alkoxyl group, Ar₁, Ar₂, Ar₃ = a divalent aromatic groups, X, Y = O or S, and n = 0 or 1, has an excellent ultraviolet ray-absorption and heat-resistance and is useful for enhancing an ultraviolet ray-resistance of polymeric materials, for example, wholly aromatic polyamide fibers.
式 (I) 的芳香族邻羟酰胺化合物
式中
是式中的二价芳香基团:
R¹ = H、卤素、C₁₋₁₀烷基或 C₁-烷氧基,Ar₁、Ar₂、Ar₃ = 二价芳香基团,X、Y = O 或 S,n = 0 或 1、具有优异的紫外线吸收性和耐热性,可用于增强聚合物材料(例如全芳香族聚酰胺纤维)的抗紫外线性能。