Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1994-09-20
1996-04-30
Ryan, Patrick J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
4283084, 4283099, 4283111, 4283166, 4283171, 428289, 428290, 428209, B32B 900
Patent
active
055123600
ABSTRACT:
The present invention relates to a fluoropolymeric substrate that is formed from at least one layer of porous, expanded polytetrafluoroethylene having a void volume of at least 50% and containing 15 to at most 40% by weight adhesive that is evenly distributed within the substrate to allow exterior surfaces of said substrate to be free of adhesive after bonding while forming a discontinuous internal layer of adhesive interrupted by the skeletal structure of the substrate.
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Article: "Microporous Polypropylene Sheets Containing Polymethylsilsesquioxane Filler" Authors: Satoshi Nago and Yukio Mitzutani; Journal of Applied Polymer Science, vol. 50, 1815-1822 (1993).
Genco, Jr. Victor M.
Lee Kam F.
Ryan Patrick J.
W. L. Gore & Associates, Inc.
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