| abstract |
The present invention relates to a copolymerized polyester machine direction oriented (MDO) heat-shrinkable film exhibiting excellent heat resistance, and in particular, provides a copolymerized polyester MDO heat-resistant shrinkable film comprising: Content ratio optimized isosorbide and 1,4-cyclohexanedimethanol, isosorbide and 1,4-cyclohexanedimethanol are diol components copolymerized with an acid component comprising terephthalic acid; A copolymerized polyester resin with a number average molecular weight of 18,000 g/mol is formed; and has a high shrinkage onset temperature so that it can be used for labels and lidding of various containers or for direct packaging. |