# US 11,028,289 B2 · Adhesive article with a barrier layer

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,028,289 B2
- Document ID: US11028289B2
- Status: Granted
- Kind: B2
- Application number: 15/529,310
- Filed: 2015-12-14
- Published: 2018-11-22
- Granted: 2021-06-08
- Earliest claimed: 2014-12-16
- Assignees: 3M Innovative Properties Company
- Applicants: 3M Innovative Properties Company
- Inventors: Robert D. Waid; Scott R. Meyer; Panu K. Zoller
- Web page: https://patentgrep.com/patent/US11028289B2

## CPC

- C09J 7/20: characterised by their carriers
- B32B 7/12: using interposed adhesives or interposed materials with bonding properties
- B32B 25/042: {of natural rubber or synthetic rubber}
- B32B 27/08: of synthetic resin
- B32B 27/16: specially treated, e.g. irradiated
- B32B 27/22: using plasticisers
- B32B 27/26: using curing agents
- B32B 27/28: comprising synthetic resins not wholly covered by any one of the sub-groups {B32B27/30 - B32B27/42}
- B32B 27/306: {comprising vinyl acetate or vinyl alcohol (co)polymers}
- B32B 27/32: comprising polyolefins {(comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30)}
- B32B 37/02: characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
- C09J 123/0815: {Copolymers of ethene with aliphatic 1-olefins}
- C09J 123/0876: {Neutralised polymers, i.e. ionomers}
- B32B 2307/31: Heat sealable
- B32B 2307/7244: Oxygen barrier
- B32B 2405/00: Adhesive articles, e.g. adhesive tapes
- C09J 151/06: grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
- C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

## Abstract

Provided are adhesive articles that include a barrier layer that is substantially impermeable to oxygen gas at ambient temperature and pressure along with a heat-bondable layer, which could be a discrete layer adjacent to the barrier layer or integral with the barrier layer. The adhesive article further includes a backing extending across and coupled to the barrier layer and an adhesive layer extending across and coupled to the backing opposite the barrier layer. The barrier layer reduces or eliminates migration of plasticizers from the bonded seal into the adhesive article, limiting deterioration of tape performance over time.

## Claims

### Claim 1

An adhesive article comprising:
a barrier layer having opposed first and second major surfaces, the barrier layer being substantially impermeable to oxygen gas at ambient temperature and pressure;
a heat-bondable layer extending across and coupled to the first major surface of the barrier layer;
a polymeric foam backing extending across and coupled to the second major surface of the barrier layer; and
a pressure sensitive adhesive layer extending across and coupled to the backing opposite the barrier layer.

### Claim 2 (depends on 1)

The adhesive article of claim 1, further comprising a liner extending across and contacting a major surface of the adhesive layer opposite the backing.

### Claim 3 (depends on 1)

The adhesive article of claim 1, wherein the barrier layer comprises a polar-group-containing polymer.

### Claim 4 (depends on 3)

The adhesive article of claim 3, wherein the polar-group-containing polymer is ethylene vinyl alcohol copolymer.

### Claim 5 (depends on 3)

The adhesive article of claim 3, wherein the polar-group-containing polymer is an ionomer.

### Claim 6 (depends on 1)

The adhesive article of claim 1, wherein the barrier layer comprises a crosslinked polymer network.

### Claim 7 (depends on 1)

The adhesive article of claim 1, wherein the heat-bondable layer comprises a linear low density polyethylene.

### Claim 8 (depends on 7)

The adhesive article of claim 7, wherein the heat-bondable layer comprises a copolymer of linear low density polyethylene and octene.

### Claim 9

A method of making an adhesive article comprising:
embedding a barrier layer between a a first and a second heat-bondable polymeric layers by coextrusion, wherein the barrier layer has opposed first and second major surfaces and is substantially impermeable to oxygen gas at ambient temperature and pressure; and wherein the first heat-bondable polymeric layer extends across and is coupled to the first major surface of the barrier layer;
coupling one of the heat-bondable layers to a first major surface of a polymeric foam backing; wherein the polymeric foam backing extends across and is coupled to the second major surface of the barrier layer and
coupling a pressure sensitive adhesive layer extends across and is coupled to the second major surface of the backing opposite the first major surface.