Membranes with water-activated binding elements

Patent metadata

Field	Value
Publication number	US-12077691-B2
Application number	US-202218075761-A
Country	US
Kind code	B2
Filing date	Dec 6, 2022
Priority date	Dec 6, 2022
Publication date	Sep 3, 2024
Grant date	Sep 3, 2024

Abstract

A roofing membrane may comprise a water-impermeable insulation layer, and a binding layer coupled to the insulation layer. In a dry state, the binding layer may be non-tacky. In an activated state, the binding layer may be tacky.

First claim

What is claimed is:

1. A roofing membrane, comprising:
a water-impermeable insulation layer;
a binding layer coupled to the insulation layer, wherein:
the binding layer is dry and non-tacky; and
the binding layer is configured to be tacky upon an application of water; and

a release layer coupled to the binding layer such that the binding layer is between the insulation layer and the release layer.

2. The roofing membrane of claim 1 , wherein the insulation layer includes a polymeric membrane.

3. The roofing membrane of claim 1 , wherein the binding layer includes a water content between 0.2 wt. % of water to 5 wt. % of water.

4. The roofing membrane of claim 1 , wherein the binding layer is non-tacky such that the binding layer includes a coupling force of less than 0.4 pounds-force.

5. The roofing membrane of claim 1 , wherein the binding layer is configured to be activated to be tacky such that the binding layer includes a coupling force between 3-10 pounds-force.

6. The roofing membrane of claim 1 , wherein the binding layer is configured to be activated to be tacky such that the binding layer has a water content between 55 wt. % to 90 wt. % of water.

7. The roofing membrane of claim 1 , wherein the binding layer includes an adhesive.

8. The membrane of claim 1 , wherein:
the binding layer is configured to be activated to be tacky such that the binding layer includes an activated portion that is tacky; and
the release layer is configured to not be coupled to the activated portion.

9. The membrane of claim 1 , wherein the release layer defines a perforation line extending along at least a portion of the release layer.

10. A roofing membrane, comprising:
a water-impermeable insulation layer; and
a binding layer coupled to the insulation layer, wherein:
in a dry state, the binding layer is non-tacky; and
in an activated state, the binding layer is tacky such that the binding layer includes a coupling force between 4-10 pounds-force.

11. A roofing membrane, comprising:
a water-impermeable insulation layer; and
a binding layer coupled to the insulation layer, wherein:
in a dry state, the binding layer is non-tacky such that the binding layer includes a coupling force of less than 0.4 pounds-force; and
in an activated state, the binding layer is tacky.

12. A roofing membrane, comprising:
water-impermeable insulation layer; and
a binding layer coupled to the insulation layer, wherein:
in a dry state, the binding layer is non-tacky; and
in an activated state, the binding layer is tacky and includes a water content between 55 wt. % to 90 wt. % of water.

13. A roofing membrane, comprising:
a water-impermeable insulation layer; and
a binding layer coupled to the insulation layer, wherein:
in a dry state, the binding layer is non-tacky and includes a water content between 0.2 wt. % of water to 5 wt. % of water; and
in an activated state, the binding layer is tacky.

14. The roofing membrane of claim 13 , wherein the insulation layer includes a polymeric membrane.

15. The roofing membrane of claim 13 , wherein the binding layer includes an adhesive.

16. The roofing membrane of claim 13 , further comprising a release layer coupled to the binding layer such that the binding layer is positioned between the insulation layer and the release layer.

17. The membrane of claim 16 , wherein:
the binding layer in the activated state includes an activated portion that is tacky; and
the release layer is not coupled to the activated portion.

18. The membrane of claim 16 , wherein the release layer defines a perforation line extending along at least a portion of the release layer.

Assignees

• Johns Manville

Inventors

• Kortmeyer Jordan
• Yancey Brenton
• Griffin Christopher James
• Tokarski Kimberly R

Classifications

• C09J7/405

  characterised by the substrate of the release liner · CPC title

• E04D5/148

  fastening by gluing · CPC title

• E04D5/10 Primary

  by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen · CPC title

• C09J2301/306

  the adhesive being water-activatable · CPC title

• C09J7/22

  Plastics; Metallised plastics · CPC title