Patent ID: 6939661

Claim:
A composition for forming a radiation absorbing coating, which comprises a radiation absorbing material and a compound having two or more blocked isocyanate groups, the compound being distinct from the radiation absorbing material, wherein the compound having blocked isocyanate groups is a compound having bis-isocyanate groups blocked with alcohols, and is represented by the general formula (I): R 1 OOCHN—X—NHCOOR 2 (I) wherein X represents a straight-chain or branched alkylene group containing 1 to 30 carbon atoms, a divalent alicyclic hydrocarbon group containing 3 to 30 carbon atoms or a divalent aromatic ring group containing 4 to 30 carbon atoms, and R 1 and R 2 each independently represents an alkyl group containing 1 to 20 carbon atoms.