A fire-blocking paper (22, 52) is adapted for incorporation into a fire-barrier film laminate (16, 46) for use in thermal and acoustical insulation systems (10, 40), such as, but not limited to, those used in commercial aircraft. The fire-blocking inorganic fiber paper (22, 52) can be laminated to a
A fire-blocking paper (22, 52) is adapted for incorporation into a fire-barrier film laminate (16, 46) for use in thermal and acoustical insulation systems (10, 40), such as, but not limited to, those used in commercial aircraft. The fire-blocking inorganic fiber paper (22, 52) can be laminated to a flame resistant film (24a, 24b, 54a, 54b). The fire-blocking paper (22, 52) may include inorganic bio-soluble fiber, chopped glass non-respirable fibers, organic reinforcing fibers, organic binder, and inorganic binder or filler; and, optionally or refractory ceramic fibers.
대표청구항▼
The invention claimed is: 1. A fire-blocking paper adapted for incorporation into a fire-barrier film, the paper comprising inorganic bio-soluble fiber, chopped glass non-respirable fiber, organic reinforcing fiber, organic binder, and inorganic binder or filler; and, optionally refractory ceramic
The invention claimed is: 1. A fire-blocking paper adapted for incorporation into a fire-barrier film, the paper comprising inorganic bio-soluble fiber, chopped glass non-respirable fiber, organic reinforcing fiber, organic binder, and inorganic binder or filler; and, optionally refractory ceramic fiber, wherein the biosoluble fiber comprises at least one of: the fiberization product of from about 65 to about 86 weight percent silica, from about 14 to about 35 weight percent magnesia, from 0 to about 7 weight percent zirconia, and about 5 weight percent or less impurities; or the fiberization product of from about 60 to about 70 weight percent silica, from about 16 to about 35 weight percent calcia, and from about 4 to about 19 weight percent magnesia; or the fiberization product of from about 61 to about 67 weight percent silica, from about 27 to about 33 weight percent calcia, and from about 2 to about 7 weight percent magnesia. 2. The fire-blocking paper of claim 1, wherein the biosoluble fiber comprises the fiberization product of about 70 to about 80 weight percent silica, about 18 to about 27 weight percent magnesia and 0 to 4 weight percent impurities. 3. The fire-blocking paper of claim 1 wherein the glass fiber comprises S-2 glass fiber. 4. The fire-blocking paper of claim 1 wherein the inorganic binder or filler comprises at least one of bentonite, hectorite, kaolinite, montmorillonite, palygorskite, saponite, or sepiolite clay. 5. A fire-barrier film laminate adapted for incorporation into a thermal and acoustical insulation system, the laminate comprising the fire-blocking paper of claim 1 having an outboard surface and an inboard surface; and, flame propagation resistant film, adhered to the paper outboard surface and inboard surface by a laminating adhesive. 6. The fire-barrier laminate of claim 5 further including a scrim positioned between at least one of the flame propagation resistant film and the paper outboard surface, or the flame propagation resistant film and the paper inboard surface. 7. The fire-barrier laminate of claim 5 further including a scrim adhered to the flame propagation resistant film, the flame propagation resistant film being positioned between the scrim and the paper inboard surface. 8. The fire-barrier laminate of claim 5 wherein the flame propagation resistant film adhered to at least one of the paper inboard surface or paper outboard surface is metallized. 9. The fire-barrier laminate of claim 5 wherein the flame propagation resistant film is at least one of polyesters, polyimides, polyetherketones, polyetheretherketones, polyvinylfluorides, polyamides, polytetrafluoroethylenes, polyaryl sulfones, polyester amides, polyester imides, polyethersulfones, polyphenylene sulfides, or combinations thereof. 10. The fire-barrier laminate of claim 6 wherein the scrim comprises at least one of fiberglass, nylon or polyester mesh. 11. The fire-barrier laminate of claim 5 having a basis weight of less than 120 g/m2. 12. A thermal acoustic insulation system comprising a plurality of insulating layers disposed within a covering of an exteriorly facing fire-barrier laminate as in claim 5, and an interiorly facing inboard cover film. 13. The thermal acoustic insulation system of claim 12 wherein the interiorly facing cover film comprises the fire-barrier laminate. 14. The thermal acoustic insulation system of claim 12 wherein the exteriorly facing fire barrier laminate and the interiorly facing inboard cover film are heat sealed with an adhesive to partially or substantially totally envelop or encapsulate the plurality of insulating layers. 15. The thermal acoustic insulation system of claim 12, wherein the insulating layers comprise fiberglass insulation. 16. The thermal acoustic insulation system of claim 12 capable of passing the flame propagation and burn-through resistance test protocols of 14 CFR §25.856(a) and (b), Appendix F, Parts VI and VII. 17. A thermal acoustic insulation system having a basis weight of less than about 120 g/m2 capable of passing the flame propagation and burn-through resistance test protocols of 14 CFR §25.856(a) and (b), Appendix F, Parts VI and VII, comprising: two layers of about 1 inch thick fiberglass insulation partially or substantially totally enveloped or encapsulated with a fire-barrier laminate; the fire barrier laminate comprising a fire-blocking paper having an outboard surface and an inboard surface, adhesively laminated between a first sheet of flame resistant film and a second sheet of flame resistant film using an adhesive optionally substantially free of fire retardant additives, wherein the first sheet of flame resistant film is proximate to the outboard surface of the fire-blocking paper and is metallized, and the second sheet of flame resistant film is proximate to the inboard surface of the fire-blocking paper; wherein a mesh scrim is adhesively laminated to at least one surface of the second sheet of flame resistant film; wherein the fire-blocking paper comprises about 60 to about 74 weight percent bio-soluble alkaline earth silicate fiber, about 3 to about 9 weight percent chopped glass non-respirable fibers, about 4 to about 12 weight percent organic reinforcing fibers, 6 to about 18 weight percent organic binder, and about 2 to about 10 weight percent of at least one of bentonite, hectorite, kaolinite, montmorillonite, palygorskite, saponite, or sepiolite clay; and, wherein the biosoluble alkaline earth silicate fiber comprises at least one of: the fiberization product of from about 65 to about 86 weight percent silica, from about 14 to about 35 weight percent magnesia, from 0 to about 7 weight percent zirconia, and about 5 weight percent or less impurities; or the fiberization product of from about 60 to about 70 weight percent silica, from about 16 to about 35 weight percent calcia, and from about 4 to about 19 weight percent magnesia; or the fiberization product of from about 61 to about 67 weight percent silica, from about 27 to about 33 weight percent calcia, and from about 2 to about 7 weight percent magnesia; and, wherein the flame resistant film comprises at least one of polyesters, polyimides, polyetherketones, polyetheretherketones, polyvinylfluorides, polyamides, polytetrafluoroethylenes, polyaryl sulfones, polyester amides, polyester imides, polyethersulfones, polyphenylene sulfides, or combinations thereof. 18. The thermal acoustic insulation system of claim 17, wherein the biosoluble alkaline earth silicate fiber comprises the fiberization product of about 70 to about 80 weight percent silica, about 18 to about 27 weight percent magnesia and 0 to 4 weight percent impurities.
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