abstract |
A heat-shrinkable PET film comprises a thermally stretched film body exhibiting shape-memory characteristics and made from a PET material of a modified PET composition that includes terephthalic acid, ethylene glycol, and a modifier selected from 1,3-dihydroxy-2-methylpropane, 1,3-dihydroxy-2-methylpropane alkoxylate, 2,5-dimethyl-2,5-hexanediol, and combinations thereof. |