TRANSFER MATERIAL

摘要

Transfer foils have a protective layer or protective colored layer which has been disposed thereon in order to impart a coloring effect. For configuring such protective layers, isocyanates are frequently used as hardeners. However, the isocyanates have poor storage stability especially under high-temperature high-humidity conditions in summer, and it is necessary to employ a two-pack type formulation, which is extremely inconvenient to use. Namely, common compositions each is composed of two ingredients, i.e., a resin ingredient and an isocyanate hardener, and it is necessary that the two ingredients should be stored separately and be mixed together when a transfer foil is produced. Once the ingredients are mixed, the resultant liquid composition gels in several hours to several days to become unusable. A composition for transfer-foil protection layers which is capable of being supplied as a one-pack type can be obtained using a blocked polyisocyanate in which the isocyanate groups have been blocked with a compound containing active hydrogen.