US 11,787,163 B2
Dielectric composite with reinforced elastomer and integrated electrode
Andrea Doernhoefer, Hoehenkirchen (DE); Michael Rittmann, Putzbrunn (DE); Klaus Seibert, Emmersdingen (DE); and Alexander Zaggl, Aying (DE)
Assigned to W. L. Gore & Associates GmbH, Putzbrunn (DE)
Filed by W. L. Gore & Associates GmbH, Putzbrunn (DE)
Filed on Nov. 22, 2022, as Appl. No. 18/58,117.
Application 18/058,117 is a division of application No. 16/498,177, granted, now 11,535,017, previously published as PCT/EP2018/058643, filed on Apr. 4, 2018.
Claims priority of provisional application 62/481,188, filed on Apr. 4, 2017.
Prior Publication US 2023/0084484 A1, Mar. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 27/32 (2006.01); B32B 5/16 (2006.01); B32B 15/06 (2006.01); B32B 15/20 (2006.01); B32B 25/08 (2006.01); B32B 25/12 (2006.01); B32B 25/18 (2006.01); B32B 25/20 (2006.01); B32B 27/40 (2006.01)
CPC B32B 27/322 (2013.01) [B32B 5/16 (2013.01); B32B 15/06 (2013.01); B32B 15/20 (2013.01); B32B 25/08 (2013.01); B32B 25/12 (2013.01); B32B 25/18 (2013.01); B32B 25/20 (2013.01); B32B 27/40 (2013.01); B32B 2250/03 (2013.01); B32B 2264/105 (2013.01); B32B 2264/108 (2013.01); B32B 2307/202 (2013.01); B32B 2307/204 (2013.01); B32B 2307/732 (2013.01); B32B 2457/00 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A dielectric composite comprising:
a compacted porous membrane having a first side and a second side;
wherein the compacted porous membrane comprises macro-structured folds, micro-folded fibrils, or both macro-structured folds and micro-folded fibrils;
wherein said compacted porous membrane comprises an expanded polytetrafluoroethylene (ePTFE) membrane, an expanded modified PTFE membrane, expanded copolymers of PTFE, an expanded polyethylene membrane, a porous polypropylene membrane, an electrospun nanofiber membrane or combinations thereof;
a first elastomer layer positioned on said first side of said compacted porous membrane;
a second elastomer layer positioned on said second side of said compacted porous membrane;
wherein said first and second elastomer layers comprise silicones, fluorosilicones, polyurethanes, nitrile rubber, neoprene rubber, natural rubber, butyl rubber, acrylics or combinations thereof;
a first electrically conductive layer positioned on said first elastomer layer opposing said compacted porous membrane; and
a second electrically conductive layer positioned on said second elastomer layer opposing said compacted porous membrane,
wherein at least one of:
the first electrically conductive layer penetrates through a partial thickness of the first elastomer layer; or
the second electrically conductive layer penetrates through a partial thickness of the second elastomer layer.