# US 2014/0360347 A1 · High density unidirectional fabric for soft ballistics applications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0360347 A1 - Document ID: US20140360347A1 - Status: Published application - Kind: A1 - Application number: 14/372,537 - Filed: 2013-01-17 - Published: 2014-12-11 - Earliest claimed: 2012-01-17 - Assignees: Teijin Armid B.V. - Applicants: Teijin Armid B.V.; Barrday Inc. - Inventors: Jason van Heerden; Jonathan MacNeil; Chinkal Patel; Matt Towery; Jason Wilson; Marc-Jan de Haas - Web page: https://patentgrep.com/patent/US20140360347A1 ## CPC - F41H 5/0478: {Fibre- or fabric-reinforced layers in combination with plastics layers} - B32B 5/12: characterised by the relative arrangement of fibres or filaments of {different layers, e.g. the fibres or filaments being parallel or perpendicular to each other} - B32B 27/08: of synthetic resin - B32B 27/12: next to a fibrous or filamentary layer - B32B 27/20: using fillers, pigments, thixotroping agents - B32B 27/302: {comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers} - B32B 27/32: comprising polyolefins {(comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30)} - D02J 1/18: Separating or spreading - F41H 5/0485: {all the layers being only fibre- or fabric-reinforced layers} - B32B 2250/02: 2 layers - B32B 2250/20: All layers being fibrous or filamentary - B32B 2250/24: All layers being polymeric - B32B 2260/021: Fibrous or filamentary layer - B32B 2260/046: Synthetic resin - B32B 2262/0269: Aromatic polyamide fibres - B32B 2307/54: Yield strength; Tensile strength - B32B 2307/581: Resistant to cut - B32B 2307/718: Weight, e.g. weight per square meter - B32B 2323/00: Polyalkenes - B32B 2571/02: defensive, e.g. armour plates or anti-ballistic clothing - F41H: ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - D02J: FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE (curling or crimping D02G; by treatment with liquids, gases or vapours D06B; finishing other than by liquid treatment, of yarns in warp or sheet form D06C; for chemical matters, see D06L, D06M, D06P, D06Q; treatment during rope-making, apparatus for treating ropes auxiliary to rope-making D07B) ## Abstract A ballistic article is comprised of high density fibers, where the linear mass density of the fibers is greater than 2000 dtex as measured by ASTM D1907 and the fibers in each layer have a total areal density greater than 100 g/m2. In one example, the ballistic article has two sheets comprising para-aramid fibers in a styrene and isoprene block copolymer matrix material. ## Claims ### Claim 1 A ballistic article comprising: at least one sheet comprising fibers in a polymeric matrix material, wherein the fibers have a linear mass density greater than 2000 dtex as measured by ASTM D1907 and the fibers in each sheet of the at least one sheet have a total areal density greater than 100 g/m2. ### Claim 2 (depends on 1) The ballistic article of claim 1, wherein the linear mass density is greater than 3000 dtex as measured by ASTM D1907. ### Claim 3 (depends on 1) The ballistic article of claim 1, wherein the fibers are para-aramid fibers. ### Claim 4 (depends on 1) The ballistic article of claim 1, wherein the matrix is a block copolymer of styrene and isoprene. ### Claim 5 (depends on 1) The ballistic article of claim 1, wherein the at least one sheet has between 15 and 20% by weight of polymeric matrix material. ### Claim 6 (depends on 1) The ballistic article of claim 1, wherein the at least one sheet comprises multiple sheets, wherein each sheet has a fiber orientation offset by 90° from the fiber orientation of the immediately adjacent layers. ### Claim 7 (depends on 1) The ballistic article of claim 1, further comprising a polymeric film disposed on at least one outer surface of the article. ### Claim 8 (depends on 7) The ballistic article of claim 7, wherein the polymeric film is a polyethylene film. ### Claim 9 (depends on 1) The ballistic article of claim 1, wherein the fibers have a tenacity of between 1850 and 2500 mN/tex as measured according to ASTM D7269-07. ### Claim 10 (depends on 9) The ballistic article of claim 9, wherein the fibers have a tenacity of between 1850 and 2200 mN/tex as measured according to ASTM D7269-07. ### Claim 11 (depends on 9) The ballistic article of claim 9, wherein the fibers have a tenacity of between 2200 and 2500 mN/tex as measured according to ASTM D7269-07. ### Claim 12 (depends on 1) The ballistic article of claim 1, wherein the fibers have a modulus between 60 and 100 GPa as measured according to ASTM D7269-07. ### Claim 13 (depends on 12) The ballistic article of claim 12, wherein the fibers have a modulus between 60 and 80 GP as measured according to ASTM D7269-07. ### Claim 14 (depends on 12) The ballistic article of claim 12, wherein the fibers have a modulus between 80 and 100 GPa as measured according to ASTM D7269-07. ### Claim 15 (depends on 1) The ballistic article of claim 1, wherein the at least one sheet comprises two sheets, and the ballistic article has a V50 value for ballistic performance testing with .44 Magnum Speer bullets of greater than 500 m/s as measured according to MIL-STD 662F, and a V50 value for ballistic performance testing with 9 mm or .357 Magnum Remington bullets of greater than 430 m/s as measured according to MIL-STD 662F. ### Claim 16 (depends on 1) The ballistic article of claim 1, wherein the at least one sheet comprises two sheets, and wherein the percent weight increase of the article after submersion in water for 10 minutes is less than 20%, and the percent weight increase of the article after submersion in water for 60 minutes is less than 30%. ### Claim 17 A ballistic article comprising: two sheets, each comprising para-aramid fibers in a styrene and isoprene block copolymer matrix material, wherein the fibers in each sheet have a linear mass density greater than 2000 dtex as measured by ASTM D 1907 and the fibers in each sheet have a total areal density greater than 100 g/m2, and wherein a V50 value for ballistic performance testing with a .44 Magnum Speer bullet is greater than 500 m/s as measured according to MIL-STD 662F, and a V50 value for ballistic performance testing with 9 mm or .357 Magnum Remington bullets is greater than 430 m/s as measured according to MIL-STD 662F. ### Claim 18 (depends on 17) The ballistic article of claim 17, further comprising a polyethylene film on at least one outer surface of the article. ### Claim 19 (depends on 17) The ballistic article of claim 17, wherein the fibers have a tenacity between 1850 and 2500 mN/tex as measured according to ASTM D7269-07. ### Claim 20 (depends on 17) The ballistic article of claim 17, wherein the fibers have a modulus between 60 and 100 GPa as measured according to ASTM D7269-07.