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US 10,065,394 B2Granted
Roofing membranes with pre-applied, cured, pressure-sensitive seam adhesives
AssigneeFirestone Building Products Company, LLC
InventorsJiansheng Tang, Joseph Carr, William R. McJunkins, Michael J. Hubbard, Carl E. Watkins, Jr.
Life of this patent
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Abstract
A membrane composite comprising a polymeric membrane panel, an adhesive layer, and a release liner, where the adhesive layer is a pressure-sensitive adhesive that is at least partially cured, and includes at least two distinct regions with the at least two regions having distinct states of cure.
Claims14
A roofing membrane composite comprising:
- a. a polymeric roofing membrane panel having a planar surface that includes a central region and a lap region, where the lap region extends along a lateral edge of the roofing membrane;
- b. a single adhesive layer disposed on said lap region and said central region;
- and
- c. a release liner disposed on said adhesive layer, where the adhesive layer is a single pressure-sensitive adhesive composition that is at least partially cured, and includes at least two distinct regions differing only in the amount of crosslinking.
1 more element
Dependencies are inferred from the claim text.