Patent ID: 11623989

Abstract:
A photocurable silicone composition is disclosed. The composition comprises at least one photochromic pigment. The at least one photochromic pigment is selected from the group consisting of 4,4′,4″-methylidynetris(N,N-dimethylaniline), 3,3-bis(p-dimethylaminophenyl)-6-dimethylaminophthalide, 4-4′-benzylidenebis(N,N-dimethylaniline), 2-[(2,4-dinitrophenyl)methyl] pyridine, and combinations thereof. The at least one photochromic pigment is present in an amount of from about 0.001 to about 0.05 mass % of a total amount of the composition. The composition can indicate a cure point thereof by coloring.