Provided herein are various flexible sheet-like substrates that are lightweight, rupture or burst resistant, and suitable for use in constructing a variety of structures used in fluid-containment, especially gas containment, and other applications, and the processes by which such composites can be f
Provided herein are various flexible sheet-like substrates that are lightweight, rupture or burst resistant, and suitable for use in constructing a variety of structures used in fluid-containment, especially gas containment, and other applications, and the processes by which such composites can be fabricated. In the most general case, the composites of this disclosure are comprised of a woven textile fabric to which has been laminated a flexible film. Two principal embodiments are disclosed: a first embodiment without a reinforcing layer, and a second embodiment with a structurally robust, bias-oriented reinforcing layer, preferably interposed between the fabric and the film.
대표청구항▼
We claim: 1. A laminated flexible sheet-like composite substrate comprising, in order: a woven fabric layer comprising diamond-shaped areas being woven in a plain weave and border areas surrounding the diamond-shaped areas being woven in a basket weave; an adhesive layer; and, a film layer, wherein
We claim: 1. A laminated flexible sheet-like composite substrate comprising, in order: a woven fabric layer comprising diamond-shaped areas being woven in a plain weave and border areas surrounding the diamond-shaped areas being woven in a basket weave; an adhesive layer; and, a film layer, wherein the adhesive layer is in contact with the fabric layer and the film layer, and wherein said film is coated with an organic coating. 2. The substrate of claim 1 wherein said fabric layer is comprised of woven yarns in a Barathea pattern. 3. The substrate of 1 wherein said film is comprised of at least one resin selected from the group consisting of polyimide, polyamide, and polyester. 4. The substrate of claim 1 wherein said adhesive layer is comprised of a crosslinked adhesive. 5. The substrate of claim 4 wherein said crosslinked adhesive is selected from the group consisting of isocyanate prepolymers, silicones, polysulfides, unsaturated polyesters, cyanoacrylates and epoxy resins. 6. The substrate of claim 1 wherein said composite comprises a separate reinforcing layer. 7. The substrate of claim 6 wherein said reinforcing layer is continuous, and is positioned between said film layer and said fabric layer. 8. The substrate of claim 7 wherein said reinforcing layer is capable of resisting de-lamination by transporting trapped gasses, solvents, and moisture that may be released during lamination. 9. The substrate of claim 7 wherein said reinforcing layer is capable of allowing an adhesive to flow through said reinforcing layer between said fabric layer and said film layer. 10. The substrate of claim 9 wherein said substrate is configured in the shape of an airship. 11. The substrate of claim 9 wherein said reinforcing layer is comprised of a scrim. 12. The substrate of claim 11 wherein said scrim has an orientation of about 45 degrees from the web direction of the composite. 13. The substrate of claim 12 wherein said substrate is configured in the shape of an airship. 14. The substrate of claim 9 wherein said reinforcing layer is comprised of a perforated film. 15. The substrate of claim 14 wherein said film reinforcing layer contains micro-perforations. 16. The substrate of claim 14 wherein said film reinforcing layer contains macro-perforations. 17. The substrate of claim 14 wherein the perforations in said perforated film constitute at least 5% of the surface area of the film. 18. The substrate of claim 14 wherein said substrate is moisture and gas impermeable and is configured in the form of an airship. 19. A laminated flexible sheet-like composite substrate comprising, in order: a woven fabric layer comprising diamond-shaped areas being woven in a plain weave and border areas surrounding the diamond-shaped areas being woven in a basket weave; an adhesive layer; and, a film layer, wherein the adhesive layer is in contact with the fabric layer and the film layer, wherein said film is coated with an inorganic coating. 20. The substrate of claim 19 wherein said inorganic coating is selected from the group consisting of aluminum, aluminum oxide, and silicon oxide.
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이 특허에 인용된 특허 (21)
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