Packaged abrasive articles

Patent metadata

Field	Value
Publication number	US-12358703-B2
Application number	US-202218561755-A
Country	US
Kind code	B2
Filing date	May 10, 2022
Priority date	May 19, 2021
Publication date	Jul 15, 2025
Grant date	Jul 15, 2025

Abstract

A packaged abrasive article comprises an abrasive article hermetically sealed within a bag. The abrasive article comprises abrasive particles at least partially retained in a phenolic binder. The bag comprises a multilayer barrier film that comprises: a first substrate layer; a first polymerized acrylic layer disposed on the first substrate layer; an aluminosilicate layer disposed on the first polymerized acrylic layer; and a second polymerized acrylic layer disposed on the aluminosilicate layer.

First claim

What is claimed is:

1. A packaged abrasive article comprising:
a hermetically sealed bag comprising a multilayer barrier film, wherein the multilayer barrier film comprises:
a first substrate layer;
a first polymerized acrylic layer disposed on the first substrate layer;
an aluminosilicate layer disposed on the first polymerized acrylic layer;
a second polymerized acrylic layer disposed on the aluminosilicate layer;
an adhesive layer disposed on the second polymerized acrylic layer;
a metal layer disposed on the second adhesive layer opposite the second polymerized acrylic layer; and
a second substrate layer disposed on the metal layer opposite the second adhesive layer; and

an abrasive article disposed within the hermetically sealed bag, wherein the abrasive article comprises abrasive particles at least partially retained in a phenolic binder.

2. The packaged abrasive article of claim 1 , wherein the abrasive article comprises a bonded abrasive article.

3. The packaged abrasive article of claim 1 , wherein the abrasive article comprises a coated abrasive article.

4. The packaged abrasive article of claim 1 , wherein the abrasive article comprises a nonwoven abrasive article.

5. The packaged abrasive article of claim 1 , wherein the first substrate layer comprises polyethylene terephthalate.

6. The packaged abrasive article of claim 1 , wherein the first substrate layer is biodegradable.

7. The packaged abrasive article of claim 6 , wherein the first substrate layer comprises at least one of polylactic acid, polycaprolactone, polybutylene succinate, poly-3-hydroxybutyrate, poly-4-hydroxybutyrate, polyhydroxyvalerate, poly-3-hydroxyhexanoate, polyhydroxyoctanoate, or a thermoplastic cellulose derivative.

8. The packaged abrasive article of claim 1 , wherein the adhesive layer is a first adhesive laver, and further comprising:
a second adhesive layer disposed on the first substrate layer; and
a heat sealable layer disposed on the second adhesive layer.

9. The packaged abrasive article of claim 8 , wherein the heat sealable layer comprises linear low density polyethylene.

10. The packaged abrasive article of claim 1 , wherein the second substrate layer comprises polyethylene terephthalate.

11. The packaged abrasive article of claim 10 , wherein the second substrate layer is biodegradable.

12. A packaged abrasive article comprising:
a hermetically sealed bag comprising a multilayer barrier film, wherein the multilayer barrier film comprises:
a first substrate layer;
a first polymerized acrylic layer disposed on the first substrate layer;
an aluminosilicate layer disposed on the first polymerized acrylic layer;
a second polymerized acrylic layer disposed on the aluminosilicate layer;
an adhesive layer disposed on the second polymerized acrylic layer; and
a second substrate layer disposed on the second adhesive layer opposite the second polymerized acrylic layer; and

an abrasive article disposed within the hermetically sealed bag, wherein the abrasive article comprises abrasive particles at least partially retained in a phenolic binder.

Assignees

• 3M Innovative Properties Company

Inventors

• Givot Maiken
• Schillo-Armstrong Melissa C
• Besonen Thomas P
• Lyons Christopher S
• Jones Scott J
• Rowe David J

Classifications

• B65D2585/68

  for machines, engines, or vehicles in assembled or dismantled form · CPC title

• B65D85/68

  for machines, engines or vehicles in assembled or dismantled form · CPC title

• B24D11/008

  Finishing manufactured abrasive sheets, e.g. cutting, deforming · CPC title

• B24D3/28

  Resins {or natural or synthetic macromolecular compounds (B24D3/22 takes precedence)} · CPC title

• B24D3/20

  and being essentially organic · CPC title