Patent ID: 7592405

Claim:
A fluorine-containing photocurable composition containing a (meth)acrylate having a fluorinated alkyl group (A) and a photopolymerization initiator (B); wherein the (meth)acrylate (A) includes a functional group (A-i) represented by general formula (1) in which a fluorinated alkyl group is included at the terminal end thereof, and two or more (meth)acryloyl groups (A-ii), and the fluorine atom content in one molecule of the (meth)acrylate (A) is 25% by weight or more, and molecular weight of the (meth)acrylate (A) is 500 to 4000, wherein R represents a hydrogen atom or alkyl group having 1 to 4 carbon atoms; X represents an alkylene chain, which may have a hetero atom, or a connecting group represented by the following general formula (2); and Rf represents a fluorinated alkyl group wherein Y represents an oxygen atom or a sulfur atom; m and n are an integer of 1 to 4 which may be the same or different from each other; and Rf 1 is a fluorinated alkyl group.