A fluorine-containing benzophenone derivative of the formula (1), (2) or (3):
Φ¹ (-X¹-Q¹-Rf¹)n (1)
Φ²-X²-Q²-Rf²-Q³-X³-Φ³ (2)
Φ⁴-X⁴-Qf-X⁵-Φ⁵ (3)
wherein Φ¹ is a 2-hydroxybenzophenone structure of the formula ka-1:
(wherein Y is a hydrogen atom or a hydroxyl group, each of k and m indicates the number of bond sites, k is an integer of from 0 to 3, and m is an integer of from 0 to 3, provided that 1≦(k+m)≦4 ), n corresponds to (k+m) and is an integer of from 1 to 4, each of Φ², Φ³, Φ⁴ and Φ⁵ is a 2-hydroxybenzophenone structure of the formula ka-1 wherein (k+m) is 1, each of X¹, X², X³, X⁴ and X⁵ is a single bond or an oxygen atom, Q¹ is a single bond or a bivalent linking group having a carbon atom directly bonded to X¹, each of Q² and Q³ is a single bond or a bivalent linking group, Rf¹ is a monovalent polyfluorohydrocarbon group having from 2 to 22 carbon atoms, in which some of the carbon atoms may be substituted by ether oxygen atoms, Rf² is a bivalent polyfluorohydrocarbon group having from 2 to 22 carbon atoms, in which some of the carbon atoms may be substituted by ether oxygen atoms, and Qf is a bivalent linking group having at least one Q⁴-Rf¹ (wherein Q⁴ is a bivalent linking group, and Rf¹ is as defined above).
式(1)、(2)或(3)的含
氟二苯甲酮衍
生物:
Φ¹ (-X¹-Q¹-Rf¹)n (1)
Φ²-X²-Q²-Rf²-Q³-X³-Φ³ (2)
Φ⁴-X⁴-Qf-X⁵-Φ⁵ (3)
其中 Φ¹ 是式 ka-1 的
2-羟基二苯甲酮结构:
(其中 Y 为氢原子或羟基,k 和 m 中的每一个表示键位数,k 为 0 至 3 的整数,m 为 0 至 3 的整数,条件是 1≦(k+m)≦4),n 对应于(k+m)且为 1 至 4 的整数,Φ²、其中 (k+m) 为 1,X¹、X²、X³、X⁴ 和 X⁵ 各为单键或氧原子,Q¹ 为单键或具有直接与 X¹ 结合的碳原子的二价连接基团、Rf¹ 是具有 2 至 22 个碳原子的一价多
氟烃基(其中部分碳原子可被醚氧原子取代)、Rf² 是具有 2 至 22 个碳原子的二价多
氟烃基(其中部分碳原子可被醚氧原子取代), Qf 是具有至少一个 Q⁴-Rf¹ 的二价连接基团(其中 Q⁴ 是二价连接基团,Rf¹ 如上文所定义)。