High capacity easy release extended use adhesive devices

• US 10,150,892 B2
• Filed: 01/20/2017
• Issued: 12/11/2018
• Est. Priority Date: 10/21/2010
• Status: Active Grant

• Current Assignee: University Of Massachusetts
• Original Assignee: University Of Massachusetts
• Inventors: Crosby, Alfred J., Bartlett, Michael D., Croll, Andrew B., King, Daniel
• Primary Examiner(s): Sample, David
• Assistant Examiner(s): Flores, Jr., Donald M
• Application Number:
  US15/411,734
• Publication Number:
  US 20170306189A1
• Time in Patent Office: 690 Days
• CPC Class Codes: A44B 18/0069 Details
• CPC Class Codes: B32B 2307/748 Releasability
• CPC Class Codes: B32B 37/12 characterised by using adhesives
• CPC Class Codes: B32B 37/16 with all layers existing as coherent layers before laminating
• CPC Class Codes: B32B 5/02 characterised by structural features of a fibrous or filamentary layer layer formed of metallic wires B32B15/02; layer formed of natural mineral fibres B32B19/02; layer formed of wood fibres B32B21/02
• CPC Class Codes: B32B 7/00 Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
• CPC Class Codes: C09D 5/20 for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
• CPC Class Codes: C09J 175/04 Polyurethanes
• CPC Class Codes: C09J 2301/204 the adhesive coating being discontinuous
• CPC Class Codes: C09J 2301/312 parameters being the characterizing feature
• CPC Class Codes: C09J 2400/263 in the substrate
• CPC Class Codes: C09J 2427/001 in the barrier layer
• CPC Class Codes: C09J 2427/006 in the substrate
• CPC Class Codes: C09J 2433/00 Presence of (meth)acrylic polymer
• CPC Class Codes: C09J 2475/00 Presence of polyurethane
• CPC Class Codes: C09J 2483/00 Presence of polysiloxane
• CPC Class Codes: C09J 2483/006 in the substrate
• CPC Class Codes: C09J 7/00 Adhesives in the form of films or foils
• CPC Class Codes: C09J 7/21 Paper; Textile fabrics
• CPC Class Codes: C09J 7/30 characterised by the adhesive composition
• CPC Class Codes: C09J 7/38 : Pressure-sensitive adhesives [PSA]
• CPC Class Codes: Y10T 24/33 : having adhesive fastener
• CPC Class Codes: Y10T 428/24612 : Composite web or sheet
• CPC Class Codes: Y10T 428/2481 : including layer of mechanically interengaged strands, strand-portions or strand-like strips
• CPC Class Codes: Y10T 428/2848 : Three or more layers

Abstract

The invention provides novel devices, systems, designs, materials and fabrication methods that enable high-load capacity, easy release, and suitable for extended/repeated use in a variety of applications.

Claims

1. A releasable surface-adhesive device, comprising:

an adhesive pad, comprising;

a planar backing layer;

a planar layer of an elastic material having an adhesive surface on at least one side for adhering to a target surface, wherein a side of the planar layer of the elastic material opposing the adhesive surface is applied onto the backing layer, and wherein the backing layer has a higher in-plane stiffness than the planar layer of the elastic material.

2. The releasable surface-adhesive device of claim 1, wherein the planar layer of the elastic material comprises two or more separate smaller elastic material layer units.

3. The releasable surface-adhesive device of claim 1, further comprising a flexible tether attached to and extending from the backing layer of the adhesive pad.

4. The releasable surface-adhesive device of claim 3, wherein an angle between the tether and the adhesive pad is adjustable.

5. The releasable surface-adhesive device of claim 3, further comprising a holding component attached to the tether for connecting an object to the device.

6. The releasable surface-adhesive device of claim 3, wherein the tether comprises at least one of fabric, rope, fiber, plastic sheet, tubing, rods, metal foil, chains, non-woven textile, cable, and leather.

7. The releasable surface-adhesive device of claim 3 wherein the tether is attached to the adhesive pad away from an edge of the adhesive pad.

8. The releasable surface-adhesive device of claim 3, wherein the tether is attached to the adhesive pad at the center of the adhesive pad.

9. The releasable surface-adhesive device of claim 1, wherein the planar layer of the elastic material has a uniform thickness between 0.0001 cm to 0.1 cm.

10. The releasable surface-adhesive device of claim 9, wherein the elastic material has an elastic modulus between 0.05 MPa to 50 MPa.

11. The releasable surface-adhesive device of claim 10, wherein the elastic material comprises at least one of a siloxane-based elastomer, an urethane-based elastomer, an acrylate-based elastomer, a polydimethylsiloxane (PDMS), a block copolymer elastomer, a polyurethane, styrene-butadiene-styrene, and a natural rubber.

12. The releasable surface-adhesive device of claim 11, wherein the backing layer comprises at least one of a fabric, foil, sheet, and film.

13. A method comprising:

attaching a flexible tether to the adhesive pad of the releasable surface-adhesive device of claim 1.