申请人:KUREHA KAGAKU KOGYO KABUSHIKI KAISHA
公开号:EP0289797A2
公开(公告)日:1988-11-09
Disclosed herein is a contact lens material comprising a polymer obtained by reacting and polymerizing 15 - 100 wt.% of the following component (A) and 0 - 85 wt.% of the following component (B) and containing fluorinated side chains and urethane bonds:
Component (A):
A mixture of (1) a radical-polymerizable monomer containing at least one active hydrogen atom which can undergo an addition reaction with an isocyanate group, (2) a bifunctional or higher polyisocyanate compound and (3) a compound represented by Rf·(OH)n, Rf·COOH, Rf·NH₂ or Rf·CONH₂ wherein n stands for 1 or 2 and Rf means a fluorinated C₁₋₂₅-alkyl group, alkylphenyl group or phenyl group; or an addition reaction product thereof.
Component (B):
A monomer copolymerizable with the radical-polymerizable monomer (1) of the component (A).
The contact lens material has well-balanced properties among oxygen permeability, hardness, machinability, wearing comfortableness, etc.
本发明公开了一种隐形眼镜材料,该材料包含一种聚合物,该聚合物是由 15-100 重量份的以下组分(A)和 0-85 重量份的以下组分(B)反应聚合而成,并含有氟化侧链和聚氨酯键:
组分(A):
(1) 含至少一个活性氢原子的可自由基聚合单体的混合物,该单体可与异氰酸酯基团发生加成反应、(2) 双官能度或更高的多异氰酸酯化合物和 (3) 由 Rf-(OH)n、Rf-COOH、Rf-NH₂ 或 Rf-CONH₂ 代表的化合物,其中 n 代表 1 或 2,Rf 指氟化 C₁₋₂₅-烷基、烷基苯基或苯基;或其加成反应产物。
组分 (B):
可与组分(A)中可自由基聚合的单体(1)共聚的单体。
该隐形眼镜材料在透氧性、硬度、可加工性、佩戴舒适性等方面具有良好的平衡特性。