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US 2021/0002425 A1Published application
Polyamide film laminate
AssigneeLG Chem, Ltd.
InventorsBi Oh RYU, Soonyong PARK, Youngseok PARK, Young Ji TAE, Kwanyeol PAEK, Il Hwan CHOI
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Abstract
The present disclosure relates to a polyamide block copolymer and a polyamide film including the same. The polyamide block copolymer according to the present disclosure makes it possible to provide a polyamide film exhibiting excellent mechanical properties while being colorless and transparent.
Claims13
A polyamide film laminate, comprising
- A)
- a first polyamide resin layer comprising an amide bond by an aromatic diamino group and a benzene-dicarbonyl group,
- wherein a ratio of a benzene-1,3-dicarbonyl group to a total of the benzene-1,3-dicarbonyl group and a benzene-1,4-dicarbonyl group is 20 mol % or less, and
- B)
- a second polyamide resin layer formed on at least one surface of the first polyamide resin layer and comprising an amide bond by an aromatic diamino group and a benzene-dicarbonyl group,
- wherein a ratio of the benzene-1,3-dicarbonyl group to a total of the benzene-1,3-dicarbonyl group and the benzene-1,4-dicarbonyl group is more than 20 mol %.
3 more elements
Dependencies are inferred from the claim text.