Claims
- 1. A fire resistant complex multilayer ballistic resistant article comprising a plurality of alternating first and second plies, wherein said first ply comprises one or more first layers comprising a network of flammable polymeric fibers in a first matrix, said fibers having a tenacity of at least about 7 g/denier, a tensile modulus of at least about 160 g/denier and an energy-to-break of at least about 8 joules/grams; and said second ply comprises one or more second layers comprising a network of fire resistant organic or inorganic fibers in a second matrix material wherein said second matrix material is a fire retardant material and is different from said first matrix material.
- 2. An article as recited in claim 1 wherein said first layer comprises a network of fibers having a tenacity of at least about 10 grams/denier, a tensile modulus of at least 300 grams/denier and an energy-to-break of at least about 20 joules/gram.
- 3. An article as recited in claim 2 wherein the fibers have a tenacity equal to or greater than about 20 g/d, a tensile modulus equal to or greater than about 1000 g/d and an energy-to-break equal to or greater than about 30 j/g.
- 4. An article as recited in claim 3 wherein said tenacity is equal to or greater than about 25 g/d, said modulus is equal to or greater than about 1300 g/d, and said energy-to-break is equal to or greater than about 25 j/g.
- 5. An article as recited in claim 1 wherein said flammable fibers are selected from the group consisting of nylon fibers and polyolefin fibers.
- 6. An article as recited in claim 1 wherein said flammable fibers are selected from the group consisting of polyethylene fibers, nylon fibers and mixtures thereof.
- 7. An article as recited in claim 6 wherein said fibers are polyethylene fibers.
- 8. An article as recited in claim 6 wherein said fibers are a mixture of polyethylene and nylon fibers.
- 9. An article as recited in claim 1 wherein said first layer comprises at least one sheet-like fiber array in which said fibers are arranged substantially parallel to one another along a common fiber direction.
- 10. An article as recited in claim 9 wherein said first layer comprises more than one array, with adjacent arrays aligned at an angle with respect to the longitudinal axis of the parallel fibers contained in said adjacent array.
- 11. An article as recited in claim 10 wherein said angle is from about 45.degree. to about 90.degree..
- 12. An article as recited in claim 11 wherein said angle is about 90.degree..
- 13. An article as recited in claim 1 wherein said first layer comprises a non-woven fabric.
- 14. An article as recited in claim 1 wherein said second layer is a fibrous layer comprising a network of high strength fibers having a tensile strength of at least about 10 grams/denier, a tensile modulus of at least about 500 grams/denier and an energy-to-break of at least about 20 joules/gram in a matrix.
- 15. An article as recited in claim 14 wherein the fibers have a tenacity equal to or greater than about 20 g/d, a tensile modulus equal to or greater than about 1000 g/d and an energy-to-break equal to or greater than 30 j/g.
- 16. An article as recited in claim 15 wherein said tenacity is equal to or greater than about 25 g/d, said modulus is equal to or greater than about 1300 g/d, and said energy-to-break is equal to or greater than about 35 j/g.
- 17. An article as recited in claim 5 wherein said fire resistant fibers are glass fibers.
- 18. An article as recited in claim 17 wherein said flammable fibers are polyethylene fibers.
- 19. An article as recited in claim 17 wherein said first layer comprises at least one sheet-like fiber array in which said fibers are arranged substantially parallel to one another along a common fiber direction.
- 20. An article as recited in claim 17 wherein said first layer comprises more than one array, with adjacent arrays aligned at an angle with respect to the longitudinal axis of the parallel fibers contained in said adjacent array.
- 21. An article as recited in claim 6 wherein said first layer comprises at least one sheet-like fiber array in which said fibers are arranged substantially parallel to one another along a common fiber direction.
- 22. An article as recited in claim 21 wherein said first layer comprises more than one array, with adjacent arrays aligned at an angle with respect to the longitudinal axis of the parallel fibers contained in said adjacent array.
- 23. An article as recited in claim 22 wherein said angle is from about 45.degree. to about 90.degree..
- 24. An article as recited in claim 23 wherein said angle is about 90.degree..
- 25. An article as recited in claim 5 wherein said second layer comprises a non-woven fabric in a matrix.
- 26. An article as recited in claim 22 which further comprises a plurality of planar bodies formed from a ceramic, a polymeric composite, a metal, a multilayered fiber composite or a combination thereof on a surface of said article.
- 27. An article as recited in claim 5 wherein said fire resistant fibers are inorganic fibers.
- 28. A fire resistant complex multilayer ballistic resistant article comprising alternating first and second plies wherein said first ply comprises one or more first layers each of said layers comprising a network of polyethylene fibers having a tenacity of at least about 7 g/denier, a tensile modulus of at least about 160 g/denier and an energy-to-break of at least about 8 joules/grams dispersed in a polymeric matrix, said first layer comprises two or more sheet-like fiber arrays in which said fibers are arranged substantially parallel to one another along a common fiber direction wherein adjacent arrays are aligned at an angle with respect to the longitudinal axis of the parallel fibers contained in said adjacent array, and said second ply comprising one or more second layers comprising a network of glass fibers in a fire retardant matrix material.
- 29. An article as recited in claim 28 wherein said angle is from about 45.degree. to about 90.degree..
- 30. An article as recited in claim 28 wherein each of said second layers consists essentially of a network of glass fibers in a fire retardant matrix material.
- 31. An article as recited in claim 1 wherein each of said second layers consists essentially of a network of fire resistant organic or inorganic fibers in a fire retardant matrix material.
Parent Case Info
This application is a continuation of application Ser. No. 08/071,868 filed Jun. 2, 1993, which is a continuation of Ser. No. 07/755,231 filed on Sep. 5, 1991, both now abandoned.
US Referenced Citations (20)
Non-Patent Literature Citations (1)
Entry |
J. Macromol. Sci.-Chem., A7(1), pp. 295-322 (1973), R. C. Laible and F. Figucia. |
Continuations (2)
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Number |
Date |
Country |
Parent |
71868 |
Jun 1993 |
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Parent |
755231 |
Sep 1991 |
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