US 10,703,944 B2 · Adhesive for laminate of metal foil and resin film, laminated body, battery exterior packaging material, and battery case and manufacturing method therefor

Abstract

An adhesive for laminating a metal foil to a resin film, the adhesive including: a polyol (A); a multimer of a polyisocyanate (B); and a metal compound (C) being a compound of at least one metal of Groups 7 and 12, wherein the multimer of a polyisocyanate (B) contains a multimer of a saturated aliphatic polyisocyanate and a multimer of a saturated alicyclic polyisocyanate. Also disclosed is a laminate having a metal foil and a resin film laminated through an adhesive layer obtained from the adhesive for laminating of the invention. Yet further disclosed is a packaging material for a battery casing obtained by using the laminate. Yet further disclosed is a battery case obtained by using the packaging material for a battery casing. Also disclosed is a method for producing a battery case which includes deep drawing or bulging the packaging material for a battery casing.

Claims16

Dependent claims

An adhesive for laminating a metal foil to a resin film, the adhesive comprising:

a carboxyl group-containing polyolefin resin (A);
a polyfunctional isocyanate compound (B);
and a metal compound (C) being a compound of at least one metal of Groups 7 and 12,
wherein the compound (C) comprises zinc neodecanoate, zinc 2-ethylhexanoate, zinc stearate, zinc acetylacetonate, or manganese 2-ethylhexanoate.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

16/070,432Filed 9 Dec 2016

Priority

JP 2016-0189333 Feb 2016

Published

US 2019/0023954 A124 Jan 2019

Granted

7 Jul 2020

Term ends

Not estimatedThe source records don’t support an estimate.

Classification71 codes

C09J 175/04
Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers: polyurethanes
B32B 7/02
Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between…:…
B32B 7/12
Interconnection of layers: using interposed adhesives or interposed materials with bonding properties
B32B 15/08
Comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material: of synthetic resin

Adhesive for laminate of metal foil and resin film, laminated body, battery exterior packaging material, and battery case and manufacturing method therefor

Life of this patent

Adhesive for laminate of metal foil and resin film, laminated body, battery exterior packaging material, and battery case and manufacturing method therefor

Life of this patent

Abstract

Claims16