Title:
POLYESTER FILM FOR LAMINATING METAL PLATE
Document Type and Number:
Japanese Patent JP2023049184
Kind Code:
A
Abstract:
To provide a polyester film for laminating a metal plate which has an excellent property to be made into a metal can, excellent taste and aroma retention properties and, further, continuous workability of the polyester film.SOLUTION: Provided is a polyester film comprising a polyester (A) containing polybutylene terephthalate as a main component and a polyester (B) containing polyethylene terephthalate as a main component, where a mass ratio, (A/B), of the polyester (A) to the polyester (B) is 80/20 to 40/60 and a temperature-falling crystallization temperature derived from the polyester (B) in differential scanning calorimetry (DSC) is 190°C or less.SELECTED DRAWING: None
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Inventors:
ARAKI GORO
Application Number:
JP2021158773A
Publication Date:
April 10, 2023
Filing Date:
September 29, 2021
Export Citation:
Assignee:
UNITIKA LTD
International Classes:
C08L67/02; C08J5/18