| abstract |
Provided are a paint capable of suppressing the occurrence of unevenness when an optical coating film constituting an antireflection film is formed on a lens substrate, an optical coating film formed from the coating material, and an optical element including the optical coating film. . A paint for forming a coating film constituting an antireflection film provided on a lens substrate, comprising a solvent (A), a compound (B) having a polymerizable functional group, and metal oxide particles ( C), and the solvent (A) contains at least one solvent (A1) selected from the group consisting of propylene glycol monopropyl ether, propylene glycol monomethyl ether and propylene glycol monomethyl ether acetate, The coating material characterized in that the compound (B) having a polymerizable functional group contains a compound (B1) or a metal alkoxide (B2) containing two or more urethane bonds in one molecule. [Selection figure] None |