The present invention provides a coated polymer film having heat seal properties. The heat seal coating includes a propylene diol copolyester. Preferably, the copolyester is formed from 1,3-propane diol, isophthalic acid and a sulfomonomer. A method of heat sealing using this coated film is also disclosed.

Присытствыющий вымысел обеспечивает coated пленку полимера имея свойства уплотнения жары. Покрытие уплотнения жары вклюает copolyester диола пропилена. Предпочтительн, copolyester сформировано от диола 1,3-propane, isophthalic кислоты и sulfomonomer. Метод запечатывания жары используя эту coated пленку также показан.

 
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