THERMALLY SHRINKABLE POLYESTER FILM

摘要

PURPOSE:To obtain the film which exhibits a high shrinkage factor even at a relatively high temp., is excellent in tightness of contact with a container (e.g. a bottle) when shrunk, and shrinks uniformly. CONSTITUTION:This film comprises a polyester resin produced from an acid component mainly comprising an arom. dicarboxylic acid or its ester-forming deriv. and an alcohol component and shrinks by 5% or lower when heated at 80 deg.C for 1min in hot air and by 20% or higher when heated at 120 deg.C for 1min in hot air.