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US 2024/0198642 A1Published application
Multilayer film, packaging material, and package
AssigneeToppan Inc.
InventorDaisuke HAMADA
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a multilayer film including: a first outer layer containing a propylene homopolymer (A) and a propylene-ethylene random copolymer (B) and serving as a heat seal layer; an inner layer containing a propylene-ethylene block copolymer (C) and an ethylene-propylene copolymer elastomer (D); and a second outer layer containing a propylene homopolymer (A) and a propylene-ethylene random copolymer (B), in this order, in which at least one layer of the first outer layer, the inner layer, and the second outer layer further contains a polyphenol compound.
Claims9
A multilayer film comprising:
- a first outer layer containing a propylene homopolymer (A) and a propylene-ethylene random copolymer (B) and serving as a heat seal layer;
- an inner layer containing a propylene-ethylene block copolymer (C) and an ethylene-propylene copolymer elastomer (D);
- and
- a second outer layer containing a propylene homopolymer (A) and a propylene-ethylene random copolymer (B), in this order,
- wherein at least one layer of the first outer layer, the inner layer, and the second outer layer further contains a polyphenol compound.
2 more elements
Dependencies are inferred from the claim text.