Patent ID: 6465148
Filing Date: 2002-10-15
Classification: C08G,C09D,G02B,G03F,Y10S

Abstract:
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 polymer containing a recurrent unit having in a side chain an isocyanate group blocked with one of alcohols, phenols or oxime compounds, and is represented by the general formula (II): wherein Y represents a hydrogen atom, an(alkyl group containing 1 to 3 carbon atoms or a halogen atom, Z represents an oxygen atom or NH, and R3 represents an alkyl group containing 1 to 20 carbon atoms, an aromatic ring group containing 4 to 30 carbon atoms or an organic group having an imino group and containing 3 to 20 carbon atoms.