WO2023092748A1 - 一种防弹防刺材料 - Google Patents

一种防弹防刺材料 Download PDF

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Publication number
WO2023092748A1
WO2023092748A1 PCT/CN2021/138837 CN2021138837W WO2023092748A1 WO 2023092748 A1 WO2023092748 A1 WO 2023092748A1 CN 2021138837 W CN2021138837 W CN 2021138837W WO 2023092748 A1 WO2023092748 A1 WO 2023092748A1
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WO
WIPO (PCT)
Prior art keywords
fiber
proof
kevlar
sheet
bullet
Prior art date
Application number
PCT/CN2021/138837
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English (en)
French (fr)
Inventor
曹海建
陈红霞
黄晓梅
严雪峰
马岩
Original Assignee
南通大学
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Application filed by 南通大学 filed Critical 南通大学
Publication of WO2023092748A1 publication Critical patent/WO2023092748A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers
    • F41H5/0485—Layered armour containing fibre- or fabric-reinforced layers all the layers being only fibre- or fabric-reinforced layers

Definitions

  • the invention belongs to the technical field of protective materials, and in particular relates to a bulletproof and stabproof material.
  • Bulletproof vest materials are mainly hard bulletproof materials made of special steel, aluminum alloy and other metals at first. This kind of bulletproof vest has certain bulletproof performance, but the clothes are thick and uncomfortable to wear, which greatly restricts human activities and is prone to damage. secondary debris. In order to improve the wearing comfort of bulletproof vests, soft bulletproof materials are produced thereupon. Soft bulletproof materials are light in weight, relatively soft in texture, good in fit, and have good concealment when worn inside.
  • the existing soft bulletproof materials (usually stacked by multiple UD sheets with a surface density of about 160g/ m2 ) can generally prevent bullets fired by pistols and submachine guns beyond 5m, but the depth of the back convex Larger, bulletproof performance needs to be improved, and does not have stab-proof effect. Therefore, how to improve the bulletproof and anti-stab performance of soft bulletproof materials has become an urgent problem to be solved.
  • the object of the present invention is to provide a bullet-proof and stab-proof material.
  • the material provided by the invention has excellent bulletproof and stabproof effects.
  • the invention provides a bullet-proof and stab-proof material, which comprises an impact-resistant layer and a cut-resistant bullet-proof and energy-absorbing layer arranged in sequence;
  • the impact-resistant layer is a single or multiple Kevlar fiber UD sheets
  • the anti-cutting bulletproof energy-absorbing layer is formed by stacking multiple Kevlar fiber UD sheets and/or multiple UHMWPE fiber UD sheets, or stacking multiple Kevlar/UHMWPE fiber hybrid UD sheets;
  • the Kevlar/UHMWPE fiber hybrid UD sheet is made of several layers of fiber hybrid UD monolithic hot-press composite; the fiber hybrid UD monolith is prepared by Kevlar fiber, UHMWPE fiber and thermoplastic resin according to the UD cloth molding method;
  • the Kevlar/UHMWPE fiber hybrid UD sheet is composed of several layers of Kevlar fiber UD single sheets and several layers of UHMWPE fiber UD single sheets alternately arranged and composited by hot pressing.
  • the bullet-proof and stab-proof material also includes an anti-back convex layer superimposed on the other side of the cut-resistant bullet-proof energy-absorbing layer;
  • the anti-back convex layer is a single/multiple Kevlar fiber UD sheets, single Sheet/multiple sheets of UHMWPE fiber UD sheet, single sheet/multiple sheet of Kevlar fiber woven composite material or single sheet/multiple sheet of UHMWPE fiber woven composite material.
  • the Kevlar fiber UD sheet is composed of 6 or 8 layers of Kevlar fiber UD monolithic hot-compression composites, and two adjacent layers of Kevlar fiber UD monoliths are arranged orthogonally; the Kevlar fiber UD sheet Surface density is 180-400g/m 2 .
  • the UHMWPE fiber UD sheet is composed of 6 or 8 layers of UHMWPE fiber UD single-sheet hot-compression composite, and two adjacent layers of UHMWPE fiber UD single-sheets are arranged orthogonally; the UHMWPE fiber UD sheet Surface density is 120-320g/m 2 .
  • the surface density of the Kevlar fiber woven composite material is 200-350 g/m 2 ; the surface density of the UHMWPE fiber woven composite material is 150-300 g/m 2 .
  • each Kevlar fiber UD sheet in the impact-resistant layer is composed of 6 or 8 layers of Kevlar fiber UD monolithic hot-compression composites, and two adjacent layers of Kevlar fiber UD monoliths are arranged orthogonally;
  • the surface density of the Kevlar fiber UD sheet is 180-400 g/m 2 .
  • each Kevlar fiber UD sheet in the cut-resistant bulletproof energy-absorbing layer is composed of 4 to 8 layers of Kevlar fiber UD single sheet heat-pressed compound; the surface density of the Kevlar fiber UD sheet is 120-200g/ m 2 .
  • the UHMWPE fiber UD sheet is composed of 4-8 layers of UHMWPE fiber UD single-sheet heat-pressed compound; the surface density of the UHMWPE fiber UD sheet is 80-160 g/m 2 .
  • the Kevlar/UHMWPE fiber hybrid UD sheet is composed of 4-8 layers of fiber hybrid UD single-sheet hot-compression compound; the surface density of the Kevlar/UHMWPE fiber hybrid UD sheet is 100-180 g/m 2 .
  • the Kevlar/UHMWPE fiber hybrid UD sheet is composed of 2 to 4 layers of Kevlar fiber UD single sheets and 2 to 4 UHMWPE fiber UD single sheets alternately arranged and hot-pressed; the Kevlar/UHMWPE fiber hybrid UD
  • the areal density of the sheet is 100 to 180 g/m 2 .
  • the invention provides a bullet-proof and stab-proof material, comprising an impact-resistant layer and a cut-resistant bullet-proof energy-absorbing layer arranged in sequence; the impact-resistant layer is a single or multiple Kevlar fiber UD sheets; the cut-resistant bullet-proof energy-absorbing layer
  • the layer is formed by stacking multiple Kevlar fiber UD sheets and/or multiple UHMWPE fiber UD sheets, or by stacking multiple Kevlar/UHMWPE fiber hybrid UD sheets;
  • the Kevlar/UHMWPE fiber hybrid UD sheet is composed of Several layers of fiber mixed UD monolithic hot-compression composite; the fiber mixed UD monolith is prepared from Kevlar fiber, UHMWPE fiber and thermoplastic resin according to the UD cloth molding method; or the Kevlar/UHMWPE fiber mixed UD sheet is made of Several layers of Kevlar fiber UD single sheets and several layers of UHMWPE fiber UD single sheets are alternately arranged and hot-pressed.
  • the bullet-proof and stab-proof material provided by the present invention includes an impact-resistant layer and a cut-resistant bullet-proof energy-absorbing layer, wherein the impact-resistant layer is a single or multiple Kevlar fiber UD cloth, which can resist the initial cutting of a knife and the initial impact of shrapnel;
  • the bulletproof energy-absorbing layer is made of multiple Kevlar fiber UD sheets and/or multiple UHMWPE fiber UD sheets superimposed, or multiple Kevlar/UHMWPE fiber hybrid UD sheets are superimposed, using Kevlar fiber and UHMWPE fiber to give bulletproof
  • the anti-stab material has dual functions of cutting resistance and bulletproof energy absorption, which reduces the depth of the back convex and further improves the bulletproof and stabproof effect.
  • the total surface density of the bulletproof and anti-stab material provided by the present invention is 4.0-8.5kg/m 2 , which can meet the requirements of GA2 level (average back convex depth ⁇ 25mm), GA3 level (average back convex depth ⁇ 25mm), NIJ Class IIA (average back convex depth ⁇ 35mm), NIJ level II (average back convex depth ⁇ 35mm), NIJ IIIA bulletproof requirements (average back convex depth ⁇ 32mm) and NIJ Level 2 stab resistance requirements.
  • the invention provides a bullet-proof and stab-proof material, which comprises an impact-resistant layer and a cutting-resistant bullet-proof and energy-absorbing layer arranged in sequence;
  • the impact-resistant layer is a single or multiple Kevlar fiber UD sheets
  • the anti-cutting bulletproof energy-absorbing layer is formed by stacking multiple Kevlar fiber UD sheets and/or multiple UHMWPE fiber UD sheets, or stacking multiple Kevlar/UHMWPE fiber hybrid UD sheets;
  • the Kevlar/UHMWPE fiber hybrid UD sheet is made of several layers of fiber hybrid UD monolithic hot-press composite; the fiber hybrid UD monolith is prepared by Kevlar fiber, UHMWPE fiber and thermoplastic resin according to the UD cloth molding method;
  • the Kevlar/UHMWPE fiber hybrid UD sheet is composed of several layers of Kevlar fiber UD single sheets and several layers of UHMWPE fiber UD single sheets alternately arranged and composited by hot pressing.
  • the bullet-proof and stab-proof material provided by the invention includes an impact-resistant layer.
  • the anti-impact layer of the present invention can resist the initial cutting of knives and the initial impact of shrapnel.
  • the impact-resistant layer is a single or multiple Kevlar fiber UD sheets; each of the Kevlar fiber UD sheets is preferably formed by 6-layer or 8-layer Kevlar fiber UD monolithic heat-compression composite; The adjacent two layers of Kevlar fiber UD single sheets are preferably arranged orthogonally.
  • the impact-resistant layer of the present invention is a single or multiple Kevlar fiber UD sheets, which can resist the initial cutting of the cutter and the initial impact of the shrapnel; the initial resistance to the cutter can be further improved by limiting the specific number of layers of the single Kevlar fiber UD sheet. The ability to cut and the initial impact of shrapnel, thereby further improving the bulletproof and stabproof effect.
  • the linear density of the Kevlar fiber in the UD single piece of Kevlar fiber is preferably 200-800D; the monofilament strength of the Kevlar fiber is preferably 25-40 cN/dtex.
  • the source of the Kevlar fiber UD monolithic sheet which can be prepared by using commercially available products or well-known preparation processes well-known to those skilled in the art.
  • the surface density of the UD single sheet of Kevlar fiber is preferably 30-50 g/m 2 ; the thickness of the UD single sheet of Kevlar fiber is preferably 0.05-0.15 mm.
  • the temperature of the hot-press lamination is preferably 120-140° C.; the pressure of the hot-press lamination is preferably 20-40 MPa; the time of the hot-press lamination is preferably 20-60 min.
  • the present invention can further improve the bonding strength between Kevlar fiber UD single pieces by controlling the process parameters of hot-compression compounding.
  • the number of Kevlar fiber UD sheets in the impact-resistant layer is preferably 1-5; the two adjacent Kevlar fiber UD sheets are preferably arranged orthogonally.
  • the areal density of the Kevlar fiber UD sheet is preferably 180-400 g/m 2 , more preferably 200-320 g/m 2 .
  • the present invention can further improve the ability to resist the initial cutting of a knife and the initial impact of shrapnel by limiting the surface density of the Kevlar fiber UD sheet.
  • the thickness of the impact-resistant layer is preferably 0.5-2.5 mm.
  • the invention can further improve the ability to resist the initial cutting of the knife and the initial impact of the shrapnel by controlling the thickness of the anti-impact layer.
  • the bullet-proof and stab-proof material provided by the present invention also includes a cut-resistant ballistic-proof energy-absorbing layer adjacent to the impact-resistant layer.
  • the cut-resistant ballistic-proof and energy-absorbing layer provided by the invention can endow the material with dual functions of cut-resistance and ballistic-proof and energy-absorbing.
  • the cut-resistant bulletproof energy-absorbing layer is formed by superimposing multiple Kevlar fiber UD sheets and/or multiple UHMWPE fiber UD sheets, or by superimposing multiple Kevlar/UHMWPE fiber hybrid UD sheets .
  • the anti-cut bulletproof energy-absorbing layer is formed by stacking multiple Kevlar fiber UD sheets and/or multiple UHMWPE fiber UD sheets; when the anti-cut bulletproof energy-absorbing layer is composed of multiple When two Kevlar fiber UD sheets are stacked, the two adjacent Kevlar fiber UD sheets are preferably arranged orthogonally; when the cut-resistant bulletproof energy-absorbing layer is stacked by multiple UHMWPE fiber UD sheets , the two adjacent UHMWPE fiber UD sheets are preferably arranged orthogonally; when the cut-resistant bulletproof energy-absorbing layer is formed by stacking multiple Kevlar fiber UD sheets and multiple UHMWPE fiber UD sheets, the The two adjacent UD sheets are preferably arranged orthogonally.
  • the Kevlar fiber UD sheet is preferably composed of 4 to 8 layers of Kevlar fiber UD monolithic hot-compression composite; the two adjacent layers of Kevlar fiber UD monoliths are preferably arranged orthogonally; the Kevlar The surface density of the fiber UD single sheet is preferably 30-50g/m 2 ; the thickness of the Kevlar fiber UD single sheet is preferably 0.05-0.15mm; the temperature of the hot-pressing composite is preferably 120-140°C; the hot-press The lamination pressure is preferably 20-40 MPa; the hot-press lamination time is preferably 20-60 min.
  • Kevlar fiber UD monolithic sheet there is no special limitation on the source of the Kevlar fiber UD monolithic sheet, which can be prepared by using commercially available products or well-known preparation processes well-known to those skilled in the art.
  • the invention can further improve the bonding strength between Kevlar fiber UD single pieces by controlling the technical parameters of hot-pressing compounding.
  • the composition of the Kevlar fiber UD single piece is preferably the same as that of the aforementioned Kevlar fiber UD single piece in the impact-resistant layer, and will not be repeated here.
  • the surface density of the Kevlar fiber UD sheet is preferably 120-200 g/m 2 , more preferably 150-200 g/m 2 ; the number of the Kevlar fiber UD sheet is preferably 10-80, More preferably, it is 20-50, More preferably, it is 22-32.
  • the invention can further improve the anti-cutting and bullet-proof energy-absorbing capabilities of the bullet-proof and stab-proof material by controlling the surface density and the number of sheets of the Kevlar fiber UD sheet.
  • the UHMWPE fiber UD sheet is preferably composed of 4-8 layers of UHMWPE fiber UD single sheet heat-compressed; the surface density of the UHMWPE fiber UD single sheet is preferably 20-40 g/m 2 .
  • the temperature of the hot-press lamination is preferably 120-140° C.; the pressure of the hot-press lamination is preferably 20-40 MPa; the time of the hot-press lamination is preferably 20-60 min.
  • there is no special limitation on the source of the UHMWPE fiber UD single sheet and it can be prepared by using commercially available products or well-known preparation processes well-known to those skilled in the art.
  • the invention can further improve the bonding strength between UHMWPE fiber UD single pieces by controlling the technical parameters of hot-pressing compounding.
  • the linear density of the UHMWPE fiber in the UHMWPE fiber UD sheet is preferably 200-800D, more preferably 400-600D; the monofilament strength of the UHMWPE fiber is preferably 35-50 cN/dtex.
  • the source of the UHMWPE fiber UD single sheet there is no special limitation on the source of the UHMWPE fiber UD single sheet, and commercially available products well known to those skilled in the art can be used.
  • the surface density of the UHMWPE fiber UD sheet is preferably 80-160 g/m 2 , more preferably 100-150 g/m 2 ; the number of the UHMWPE fiber UD sheet is preferably 0-40, More preferably, it is 20-30, More preferably, it is 21-25.
  • the invention can further improve the anti-cutting ability of the bullet-proof and stab-proof material, as well as the ability of absorbing and dissipating the kinetic energy of the bullet by controlling the surface density and the number of sheets of the UHMWPE fiber UD sheet.
  • the cut-resistant ballistic-proof energy-absorbing layer is formed by stacking multiple Kevlar fiber UD sheets and multiple UHMWPE fiber UD sheets
  • the cut-resistant ballistic-proof and energy-absorbing layer is formed by stacking multiple Kevlar/UHMWPE fiber mixed UD sheets.
  • the number of Kevlar/UHMWPE fiber hybrid UD sheets is preferably 20-80, more preferably 30-50; the surface density of each Kevlar/UHMWPE fiber hybrid UD sheet is preferably 100-190g/ m 2 is more preferably 150 to 160 g/m 2 .
  • the invention can further improve the anti-cutting ability of the bullet-proof and anti-stab material, as well as the ability of absorbing and dissipating the kinetic energy of bullets by controlling the structure, surface density and sheet number of the Kevlar/UHMWPE fiber mixed UD sheet.
  • the Kevlar/UHMWPE fiber hybrid UD sheet is composed of several layers of fiber hybrid UD monolithic hot-compression composites or several layers of Kevlar fiber UD monoliths and several UHMWPE fiber UD monolithic thermocompression composites. .
  • the Kevlar/UHMWPE fiber hybrid UD sheet when the Kevlar/UHMWPE fiber hybrid UD sheet is composited by several layers of fiber hybrid UD sheets by hot pressing, two adjacent layers of fiber hybrid UD sheets are preferably arranged orthogonally;
  • the mixed UD single piece is prepared by Kevlar fiber, UHMWPE fiber and thermoplastic resin according to the UD cloth molding method; the mass ratio of the Kevlar fiber to the UHMWPE fiber is preferably 1:1; the Kevlar fiber and the UHMWPE fiber are preferably arranged alternately;
  • the thermoplastic resin preferably includes at least one of water-based polyurethane, rubber elastomer, low-density polyethylene (LDPE), ethylene and ethylene copolymer (EVA); the quality of the thermoplastic resin is preferably fiber mixed UD monolithic quality 20-35%; the fiber-mixed UD sheet preferably has 4-8 layers.
  • the source of the Kevlar fiber, UHMWPE fiber and thermoplastic resin there is no special limitation on the source of the Kevlar fiber, UHMWPE fiber and thermoplastic resin, and commercially available products well known to those skilled in the art can be used.
  • the operation of the preparation according to the UD cloth forming method there is no special limitation on the operation of the preparation according to the UD cloth forming method, and the preparation method well-known to those skilled in the art can be used.
  • the source of the fiber-mixed UD single sheet there is no special limitation on the source of the fiber-mixed UD single sheet, and commercially available products well known to those skilled in the art can be used.
  • the temperature of the hot-press lamination is preferably 120-140° C.; the pressure of the hot-press lamination is preferably 20-40 MPa; the time of the hot-press lamination is preferably 20-60 min.
  • the invention can further improve the bonding strength between the fiber-mixed UD sheets by controlling the technical parameters of hot-compression compounding.
  • the Kevlar/UHMWPE fiber hybrid UD sheet is made of Kevlar fiber UD single sheets and UHMWPE fiber UD single sheets alternately arranged and hot-compressed
  • the Kevlar fiber UD single sheets are preferably 2 to 4 layer
  • the UHMWPE fiber UD single sheet is preferably 2-4 layers
  • the temperature of the hot-pressing compound is preferably 120-140°C
  • the pressure of the hot-pressing compound is preferably 20-40MPa
  • the time of the hot-pressing compounding Preferably it is 20 to 60 minutes.
  • the present invention can further improve the bonding strength between UD monoliths by controlling the process parameters of hot-compression lamination.
  • the two adjacent layers of UD single sheets in the Kevlar/UHMWPE fiber hybrid UD sheet are preferably arranged orthogonally.
  • the composition of the Kevlar fiber UD single piece is preferably the same as that of the aforementioned Kevlar fiber UD single piece in the impact-resistant layer, and will not be repeated here.
  • the surface density of the UD single sheet of Kevlar fiber is preferably 30-50 g/m 2 ; the thickness of the UD single sheet of Kevlar fiber is preferably 0.05-0.15 mm.
  • there is no special limitation on the source of the Kevlar fiber UD monolithic sheet which can be prepared by using commercially available products or well-known preparation processes well-known to those skilled in the art.
  • the composition of the UHMWPE fiber UD single sheet is preferably the same as that of the UHMWPE fiber UD single sheet in the aforementioned UHMWPE fiber UD sheet, and will not be repeated here.
  • the surface density of the UHMWPE fiber UD single sheet is preferably 20-40 g/m 2 .
  • there is no special limitation on the source of the UHMWPE fiber UD single sheet and it can be prepared by using commercially available products or well-known preparation processes well-known to those skilled in the art.
  • the thickness of the cut-resistant ballistic-proof and energy-absorbing layer is preferably 8-24.5 mm, more preferably 8-20 mm.
  • the invention can further improve the anti-cut ability of the bulletproof and stab-proof material, as well as the ability to absorb and dissipate the kinetic energy of bullets.
  • the bullet-proof and stab-proof material provided by the present invention preferably further includes an anti-bulge layer superimposed on the other side of the cut-resistant bullet-proof and energy-absorbing layer.
  • the anti-back convex layer provided by the invention can reduce the back convex depth of the anti-bullet and anti-stab material under the puncture force of a knife or the impact of a bullet, and further improve the anti-bullet and anti-stab effect.
  • the anti-back convex layer is preferably a single/multiple Kevlar fiber UD sheet, a single/multiple UHMWPE fiber UD sheet, a single/multiple Kevlar fiber woven composite material or a single/multiple Kevlar fiber UD sheet.
  • a plurality of UHMWPE fiber woven composite materials when the anti-back convex layer is a plurality of Kevlar fiber UD sheets, a plurality of UHMWPE fiber UD sheets, a plurality of Kevlar fiber woven composite materials or a plurality of UHMWPE fiber woven composite materials
  • the two adjacent Kevlar fiber UD sheets, UHMWPE fiber UD sheets, Kevlar fiber woven composite materials or UHMWPE fiber woven composite materials are preferably arranged orthogonally.
  • the number of sheets of the Kevlar fiber UD sheet is preferably 1 to 5; the number of sheets of the UHMWPE fiber UD sheet is preferably 1 to 5; the number of sheets of the Kevlar fiber woven composite material is It is preferably 1-5 sheets; the number of sheets of the UHMWPE fiber woven composite material is preferably 1-5 sheets.
  • the Kevlar fiber UD sheet is preferably composed of 6 or 8 layers of Kevlar fiber UD monolithic hot-compression composite; the adjacent two layers of Kevlar fiber UD monoliths in the Kevlar fiber UD sheet are preferably Orthogonal arrangement; the temperature of the hot-press lamination is preferably 120-140° C.; the pressure of the hot-press lamination is preferably 20-40 MPa; the time of the hot-press lamination is preferably 20-60 min.
  • the present invention can further improve the bonding strength between UD monoliths by controlling the process parameters of hot-compression lamination.
  • the composition of the Kevlar fiber UD single piece is preferably the same as that of the aforementioned Kevlar fiber UD single piece in the impact-resistant layer, and will not be repeated here.
  • the surface density of the Kevlar fiber UD single sheet is preferably 30-50 g/m 2 ; the thickness of the Kevlar fiber UD single sheet is preferably 0.05-0.15 mm.
  • there is no special limitation on the source of the Kevlar fiber UD monolithic sheet which can be prepared by using commercially available products or well-known preparation processes well-known to those skilled in the art.
  • the areal density of the Kevlar fiber UD sheet is preferably 180-400 g/m 2 , more preferably 200-300 g/m 2 .
  • the present invention can further reduce the back convex depth of the bulletproof and stabproof material under the action of knife puncture force or bullet impact, thereby further improving the bulletproof and stabproof effect.
  • the UHMWPE fiber UD sheet is preferably composed of 6 or 8 layers of UHMWPE fiber UD monolithic hot-compression composite; the adjacent two layers of UHMWPE fiber UD monoliths in the UHMWPE fiber UD sheet are preferably Orthogonal arrangement; the temperature of the hot-press lamination is preferably 120-140° C.; the pressure of the hot-press lamination is preferably 20-40 MPa; the time of the hot-press lamination is preferably 20-60 min.
  • the present invention can further improve the bonding strength between UD monoliths by controlling the process parameters of hot-compression lamination.
  • the composition of the UHMWPE fiber UD single sheet is preferably the same as that of the UHMWPE fiber UD single sheet in the aforementioned UHMWPE fiber UD sheet, and will not be repeated here.
  • the surface density of the UHMWPE fiber UD single sheet is preferably 20-40 g/m 2 .
  • there is no special limitation on the source of the UHMWPE fiber UD single sheet and it can be prepared by using commercially available products or well-known preparation processes well-known to those skilled in the art.
  • the surface density of the UHMWPE fiber UD sheet is preferably 120-320 g/m 2 , more preferably 200-300 g/m 2 .
  • the present invention can further reduce the back-convex depth of the bulletproof and stabproof material under the puncture force of a knife or the impact of a bullet, thereby further improving the bulletproof and stabproof effect.
  • the preparation method of described Kevlar fiber woven composite material preferably comprises the following steps:
  • the Kevlar fiber woven fabric obtained in the step (1) is hot-compressed with the PU adhesive film/PU omentum to obtain the Kevlar fiber woven composite material.
  • the present invention preferably produces Kevlar fiber woven fabrics.
  • the present invention preferably combines the Kevlar fiber woven fabric with the PU film/PU omentum by hot pressing to obtain the Kevlar fiber woven composite material.
  • the PU adhesive film/PU omentum is preferably produced by Jiangsu Dongrun Safety Technology Co., Ltd.; the mass ratio of the Kevlar fiber woven fabric to the PU adhesive film/PU omentum is preferably (3-4): 1; the temperature of the hot-press lamination is preferably 120-135° C.; the pressure of the hot-press lamination is preferably 20-40 MPa); the time of the hot-press lamination is preferably 20-60 min.
  • the surface density of the Kevlar fiber woven composite material is preferably 200-350 g/m 2 , more preferably 250-300 g/m 2 .
  • the present invention can further reduce the back convex height of the bulletproof and stabproof material under the action of knife puncture force or bullet impact, thereby further improving the bulletproof and stabproof effect.
  • the preparation method of the UHMWPE fiber woven composite material preferably includes the following steps:
  • the present invention preferably prepares UHMWPE fiber woven fabrics.
  • the present invention there is no special limitation on the operation of preparing the UHMWPE fiber woven fabric, and operations well known to those skilled in the art can be used.
  • the present invention preferably combines the UHMWPE fiber woven fabric with the PU film/PU omentum by hot pressing to obtain the UHMWPE fiber woven composite material.
  • the PU film/PU omentum is preferably produced by Jiangsu Dongrun Safety Technology Co., Ltd.; the mass ratio of the UHMWPE fiber woven fabric to the PU film/PU omentum is preferably (3-4): 1.
  • the temperature of the hot-press lamination is preferably 120-135° C.; the pressure of the hot-press lamination is preferably 20-40 MPa; the time of the hot-press lamination is preferably 20-60 min.
  • the surface density of the UHMWPE fiber woven composite material is preferably 150-300 g/m 2 , more preferably 200-250 g/m 2 .
  • the present invention can further reduce the back convex depth of the bulletproof and stabproof material under the action of knife puncture force or bullet impact, thereby further improving the bulletproof and stabproof effect.
  • the thickness of the anti-back-bulge layer is preferably ⁇ 5 mm, more preferably 0.3-0.4 mm.
  • the present invention can further reduce the back convex depth of the anti-bullet and anti-stab material under the puncture force of a knife or the impact of a bullet by controlling the thickness of the anti-back convex layer, thereby further improving the anti-bullet and anti-stab effect.
  • the quality of the impact-resistant layer preferably accounts for 4.5% to 10% of the mass of the bulletproof and stab-proof material, more preferably 5% to 8%; 70 ⁇ 95.5% of the quality of the anti-stab material, more preferably 75 ⁇ 90%, more preferably 80 ⁇ 85%; the quality of the anti-back convex layer preferably accounts for 0 ⁇ 20% of the quality of the anti-bullet and anti-stab material, further Preferably it is 1 to 15%, more preferably 3 to 10%.
  • the invention can further improve the bulletproof and stabproof effect of the material by controlling the quality of each layer in the bulletproof and stabproof material.
  • the UHMWPE fiber UD single piece, Kevlar fiber UD single piece, Kevlar fiber woven composite material and UHMWPE fiber woven composite material are preferably first prepared for Kevlar fiber, UHMWPE fiber, Kevlar woven fabric, UHMWPE machine
  • the fabric is subjected to plasma treatment, and then made into UD monolithic or woven composite material;
  • the voltage of the plasma treatment is preferably 150-200V;
  • the time of the plasma treatment is preferably 60-120s.
  • the invention can increase the anti-peeling strength of the fiber and the resin through the plasma treatment, and is also beneficial to improve the anti-ballistic performance of the material indirectly.
  • the bullet-proof and stab-proof material provided by the present invention includes an impact-resistant layer and a cut-resistant bullet-proof energy-absorbing layer, wherein the impact-resistant layer is a single or multiple Kevlar fiber UD cloth, which can resist the initial cutting of a knife and the initial impact of shrapnel;
  • the bulletproof energy-absorbing layer is made of multiple Kevlar fiber UD sheets and/or multiple UHMWPE fiber UD sheets superimposed, or multiple Kevlar/UHMWPE fiber hybrid UD sheets are superimposed, using Kevlar fiber and UHMWPE fiber to give bulletproof
  • the double function of anti-stab material, anti-cutting and bullet-proof and energy-absorbing further improves the effect of bullet-proof and anti-stab.
  • the soft bulletproof and stabproof material provided by the invention also has the functions of light weight, softness, bulletproof and stabproof.
  • a bullet-proof and stab-proof material which is an impact-resistant layer, a cut-resistant bullet-proof energy-absorbing layer and an anti-convex layer from top to bottom;
  • the impact-resistant layer is a single Kevlar fiber UD sheet;
  • the Kevlar fiber UD sheet is composed of 8 layers of Kevlar fiber UD single sheet heat-compressed; two adjacent layers of Kevlar fiber UD single sheet are orthogonally arranged Cloth;
  • the linear density of the Kevlar fiber in the Kevlar fiber UD single piece is 600D, and the monofilament strength is 25cN/dtex;
  • the surface density of the Kevlar fiber UD single piece is 50g/m 2 , and the thickness is 0.05mm;
  • the thermal The temperature of the compression lamination is 120°C, the pressure is 20MPa, and the time is 40min;
  • the surface density of the Kevlar fiber UD sheet is 400g/m 2 ;
  • the thickness of the impact-resistant layer is 0.4mm;
  • the anti-cutting bulletproof energy-absorbing layer is formed by superimposing 22 Kevlar fiber UD sheets and 21 UHMWPE fiber UD sheets; the superimposition method is to superimpose the Kevlar fiber UD sheet under the impact-resistant layer first, and then superimpose the UHMWPE fiber UD sheet material; the Kevlar fiber UD sheet is made of 4 layers of Kevlar fiber UD monolithic hot-press composite; two adjacent layers of Kevlar fiber UD monoliths are arranged orthogonally; the Kevlar fiber lines in the Kevlar fiber UD monolith The density is 600D, and the monofilament strength is 25cN/dtex; the surface density of the Kevlar fiber UD single piece is 50g/m 2 , and the thickness is 0.05mm; 40min; the surface density of the Kevlar fiber UD sheet is 200g/m 2 ; the UHMWPE fiber UD sheet is composed of 4 layers of UHMWPE fiber UD single sheet heat-compressed; the UHMW
  • the thickness of the anti-cut bulletproof energy-absorbing layer is 8.6mm, and the surface density is 7760g/m 2 ;
  • the anti-back convex layer is a single UHMWPE fiber UD sheet; the single UHMWPE fiber UD sheet is made of 6 layers of UHMWPE fiber UD monolithic hot-pressed compound; the linear density of the UHMWPE fiber in the UHMWPE fiber UD monolith is 400D, the monofilament strength is 40cN/dtex; the surface density of the UHMWPE fiber UD single piece is 40g/m 2 ; the two adjacent layers of UHMWPE fiber UD single pieces are arranged orthogonally; the temperature of the hot pressing composite is 120 °C, the pressure is 20MPa, and the time is 40min; the surface density of the UHMWPE fiber UD sheet is 240g/m 2 ; the thickness of the anti-back-bulge layer is 0.3mm;
  • the quality of the impact-resistant layer accounts for 4.76% of the mass of the bullet-proof and stab-proof material; the quality of the cut-resistant bullet-proof and energy-absorbing layer accounts for 92.38% of the mass of the bullet-proof and stab-proof material. 2.86% of material mass.
  • a bullet-proof and stab-proof material, from top to bottom is an impact-resistant layer and a cut-resistant bullet-proof and energy-absorbing layer;
  • the impact-resistant layer is a single Kevlar fiber UD sheet;
  • the Kevlar fiber UD cloth is made of 8 layers of Kevlar fiber UD single sheet heat-pressed; two adjacent layers of Kevlar fiber UD single sheet are arranged orthogonally ;
  • the linear density of the Kevlar fiber in the Kevlar fiber UD single piece is 600D, and the monofilament strength is 25cN/dtex;
  • the surface density of the Kevlar fiber UD single piece is 50g/m 2 , and the thickness is 0.05mm;
  • the temperature is 120°C, the pressure is 20MPa, and the time is 40min;
  • the surface density of the Kevlar fiber UD cloth is 400g/m 2 ;
  • the thickness of the impact-resistant layer is 0.4mm;
  • the cut-resistant bulletproof energy-absorbing layer is composed of 42 Kevlar/UHMWPE fiber hybrid UD sheets orthogonally arranged and superimposed;
  • the Kevlar/UHMWPE fiber hybrid UD sheet is composed of 4 layers of fiber hybrid UD single-sheet hot-compression composite;
  • the adjacent two layers of fiber mixed UD monoliths are arranged orthogonally;
  • the fiber mixed UD monoliths are prepared from Kevlar fibers, UHMWPE fibers and water-based polyurethane according to the UD cloth molding method;
  • the mass ratio of the Kevlar fibers to the UHMWPE fibers is 1:1, Kevlar fibers and UHMWPE fibers are arranged alternately;
  • the quality of water-based polyurethane is 20% of the mass of fiber-mixed UD monolithic;
  • the surface density of the UHMWPE fiber hybrid UD sheet is 190g/m 2 ;
  • the thickness of the anti-cut bulletproof energy-absorbing layer is 8.4mm, and the surface density is 7980g/m 2 ;
  • the mass of the impact-resistant layer accounts for 4.77% of the mass of the bullet-proof and stab-proof material; the mass of the bullet-proof and energy-absorbing layer accounts for 95.23% of the mass of the bullet-proof and stab-proof material.
  • Performance tests were performed on the bullet-proof and stab-proof material of Example 2, and its total surface density was 8.38kg/m 2 , which could meet the requirements of GA2 (average back convex depth ⁇ 25mm), GA3 (average back convex depth ⁇ 25mm), NIJ IIA Level (average back convex depth ⁇ 35mm), NIJ level II (average back convex depth ⁇ 35mm), NIJ IIIA bulletproof requirements (average back convex depth ⁇ 35mm), and NIJ Level 2 stab resistance requirements.
  • a bullet-proof and stab-proof material which is an impact-resistant layer, a cut-resistant bullet-proof energy-absorbing layer and an anti-back convex layer from top to bottom;
  • the impact-resistant layer is a single Kevlar fiber UD sheet;
  • the Kevlar fiber UD sheet is composed of 8 layers of Kevlar fiber UD single sheet heat-compressed; two adjacent layers of Kevlar fiber UD single sheet are orthogonally arranged Cloth;
  • the linear density of the Kevlar fiber in the Kevlar fiber UD single piece is 600D, and the monofilament strength is 25cN/dtex;
  • the surface density of the Kevlar fiber UD single piece is 45g/m 2 , and the thickness is 0.05mm;
  • the thermal The temperature of the compression lamination is 120°C, the pressure is 20MPa, and the time is 40min;
  • the surface density of the Kevlar fiber UD cloth is 360g/m 2 ;
  • the thickness of the impact-resistant layer is 0.4mm;
  • the cut-resistant, ballistic-proof and energy-absorbing layer is composed of 34 orthogonally arranged Kevlar fiber UD sheets; the Kevlar fiber UD sheet is composed of 6 layers of Kevlar fiber UD single-piece hot-pressed compound; two adjacent layers of Kevlar fiber The fiber UD single piece is arranged orthogonally; the linear density of the Kevlar fiber in the Kevlar fiber UD single piece is 400D, and the monofilament strength is 30cN/dtex; the surface density of the Kevlar fiber UD single piece is 35g/m 2 , The thickness is 0.04mm; the temperature of the hot-press composite is 120°C, the pressure is 20MPa, and the time is 40min; the surface density of the Kevlar fiber UD sheet is 210g/m 2 ;
  • the thickness of the anti-cut bulletproof energy-absorbing layer is 8.16mm, and the surface density is 7140g/m 2 ;
  • the anti-back convex layer is a single Kevlar fiber UD sheet; the single Kevlar fiber UD sheet is made of 8 layers of Kevlar fiber UD monolithic hot-press composite; the linear density of the Kevlar fiber in the Kevlar fiber UD monolith is 600D, the monofilament strength is 25cN/dtex; the surface density of the Kevlar fiber UD single piece is 45g/m 2 , and the thickness is 0.05mm; the adjacent two layers of Kevlar fiber UD single pieces are arranged orthogonally; The temperature is 120°C, the pressure is 20MPa, and the time is 40min; the surface density of the Kevlar fiber UD sheet is 360g/m 2 ; the thickness of the anti-back-bulge layer is 0.4mm;
  • the quality of the impact-resistant layer accounts for 4.58% of the mass of the bullet-proof and stab-proof material; the quality of the cut-resistant bullet-proof and energy-absorbing layer accounts for 90.84% of the mass of the bullet-proof and stab-proof material, and the quality of the anti-back convex layer accounts for 90.84% of the mass of the bullet-proof and stab-proof material. 4.58% of the mass of thorn material.
  • Performance tests were performed on the bulletproof and stab-proof material of Example 3, and its total surface density was 7.86kg/m 2 , which could meet the requirements of GA2 (average back convex depth ⁇ 25mm), GA3 (average back convex depth ⁇ 25mm), NIJ IIA Level (average back convex depth ⁇ 35mm), NIJ level II (average back convex depth ⁇ 35mm), NIJ IIIA bulletproof requirements (average back convex depth ⁇ 25mm), and NIJ Level 2 stab resistance requirements.
  • the bullet-proof and stab-proof material provided by the present invention has excellent bullet-proof and stab-proof properties.

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Abstract

一种防弹防刺材料，属于防护材料技术领域。所述防弹防刺材料包括抗冲击层和抗切割防弹吸能层，其中，抗冲击层为单张或多张Kevlar纤维UD片材，能够抵抗刀具的初始切割以及弹片的初始冲击；抗切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成或者由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成，利用Kevlar纤维和UHMWPE纤维赋予了材料抗切割和防弹吸能的功能，提高了防弹防刺效果。实验结果表明，所述材料的总面密度为4.0～8.5kg/m 2，能够满足防弹要求以及防刺要求。

Description

一种防弹防刺材料
本申请要求于2021年11月23日提交中国专利局、申请号为2021113958076、发明名称为“一种防弹防刺材料”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明属于防护材料技术领域，具体涉及一种防弹防刺材料。
背景技术
防护服的研发与制造离不开各类武器开发与装备水平的进步。防弹衣材料最初主要为由特种钢、铝合金等金属制成的硬质防弹材料，这类防弹衣具有一定的防弹性能，但是服装厚重，穿着不舒适，对人体活动限制较大，并容易产生二次碎片。为了提高防弹衣的穿着舒适性，软质防弹材料随之产生。软质防弹材料重量轻，质地较为柔软，适体性好，内穿时具有较好的隐蔽性。在防弹能力上，现有的软质防弹材料(通常为多张面密度为160g/m 2左右的UD片材叠加而成)一般能防住5m以外手枪、冲锋枪射出的子弹，但是背凸深度较大，防弹性能有待提高，并且不具备防刺效果。因此，如何提高软质防弹材料的防弹防刺性能成为亟待解决的难题。
发明内容
本发明的目的在于提供一种防弹防刺材料。本发明提供的材料具有优异的防弹防刺效果。
为了实现上述发明目的，本发明提供以下技术方案：
本发明提供了一种防弹防刺材料，包括依次设置的抗冲击层和抗切割防弹吸能层；
所述抗冲击层为单张或多张Kevlar纤维UD片材；
所述抗切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成，或者由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成；
所述Kevlar/UHMWPE纤维混杂UD片材由若干层纤维混杂UD单片热压复合而成；所述纤维混杂UD单片由Kevlar纤维、UHMWPE纤维和热塑性树脂按照UD布成型方法制备而成；
或者所述Kevlar/UHMWPE纤维混杂UD片材由若干层Kevlar纤维UD单片和若干层UHMWPE纤维UD单片交替排列并热压复合而成。
优选地，所述防弹防刺材料还包括叠加设置于所述抗切割防弹吸能层另一侧的抗背凸层；所述抗背凸层为单张/多张Kevlar纤维UD片材、单张/多张UHMWPE纤维UD片材、单张/多张Kevlar纤维机织复合材料或单张/多张UHMWPE纤维机织复合材料。
优选地，所述Kevlar纤维UD片材由6层或8层Kevlar纤维UD单片热压复合而成，相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD片材的面密度为180～400g/m 2。
优选地，所述UHMWPE纤维UD片材由6层或8层UHMWPE纤维UD单片热压复合而成，相邻两层UHMWPE纤维UD单片为正交排布；所述UHMWPE纤维UD片材的面密度为120～320g/m 2。
优选地，所述Kevlar纤维机织复合材料的面密度为200～350g/m 2；所述UHMWPE纤维机织复合材料的面密度为150～300g/m 2。
优选地，所述抗冲击层中每张Kevlar纤维UD片材由6层或8层Kevlar纤维UD单片热压复合而成，相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD片材的面密度为180～400g/m 2。
优选地，所述抗切割防弹吸能层中每张Kevlar纤维UD片材由4～8层Kevlar纤维UD单片热压复合而成；所述Kevlar纤维UD片材的面密度为120～200g/m 2。
优选地，所述UHMWPE纤维UD片材由4～8层UHMWPE纤维UD单片热压复合而成；所述UHMWPE纤维UD片材的面密度为80～160g/m 2。
优选地，所述Kevlar/UHMWPE纤维混杂UD片材由4～8层纤维混杂UD单片热压复合而成；所述Kevlar/UHMWPE纤维混杂UD片材的面密度为100～180g/m 2。
优选地，所述Kevlar/UHMWPE纤维混杂UD片材由2～4层Kevlar纤维UD单片和2～4层UHMWPE纤维UD单片交替排列并热压复合而成；所述Kevlar/UHMWPE纤维混杂UD片材的面密度为100～180g/m 2。
本发明提供了一种防弹防刺材料，包括依次设置的抗冲击层和抗切割防弹吸能层；所述抗冲击层为单张或多张Kevlar纤维UD片材；所述抗 切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成，或者由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成；所述Kevlar/UHMWPE纤维混杂UD片材由若干层纤维混杂UD单片热压复合而成；所述纤维混杂UD单片由Kevlar纤维、UHMWPE纤维和热塑性树脂按照UD布成型方法制备而成；或者所述Kevlar/UHMWPE纤维混杂UD片材由若干层Kevlar纤维UD单片和若干层UHMWPE纤维UD单片交替排列并热压复合而成。本发明提供的防弹防刺材料包括抗冲击层和抗切割防弹吸能层，其中，抗冲击层为单张或多张Kevlar纤维UD布，能够抵抗刀具的初始切割以及弹片的初始冲击；抗切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成或者由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成，利用Kevlar纤维和UHMWPE纤维赋予了防弹防刺材料抗切割和防弹吸能的双重功能，降低了背凸深度，进一步提高防弹防刺效果。实验结果表明，本发明提供的防弹防刺材料的总面密度为4.0～8.5kg/m 2，能够满足GA2级(背凸深度均值≤25mm)、GA3级(背凸深度均值≤25mm)、NIJ IIA级(背凸深度均值≤35mm)、NIJ II级(背凸深度均值≤35mm)、NIJ IIIA级防弹要求(背凸深度均值≤32mm)以及NIJ Level 2的防刺要求。
具体实施方式
本发明提供了一种防弹防刺材料，包括依次设置的抗冲击层和抗切割防弹吸能层；
所述抗冲击层为单张或多张Kevlar纤维UD片材；
所述抗切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成，或者由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成；
所述Kevlar/UHMWPE纤维混杂UD片材由若干层纤维混杂UD单片热压复合而成；所述纤维混杂UD单片由Kevlar纤维、UHMWPE纤维和热塑性树脂按照UD布成型方法制备而成；
或者所述Kevlar/UHMWPE纤维混杂UD片材由若干层Kevlar纤维UD单片和若干层UHMWPE纤维UD单片交替排列并热压复合而成。
本发明提供的防弹防刺材料包括抗冲击层。本发明的抗冲击层能够抵 抗刀具的初始切割以及弹片的初始冲击。
在本发明中，所述抗冲击层为单张或多张Kevlar纤维UD片材；所述每张Kevlar纤维UD片材优选由6层或8层Kevlar纤维UD单片热压复合而成；相邻两层Kevlar纤维UD单片优选为正交排布。本发明的抗冲击层为单张或多张Kevlar纤维UD片材，能够抵抗刀具的初始切割以及弹片的初始冲击；通过限定单张Kevlar纤维UD片材的具体层数能够进一步提高抵抗刀具的初始切割以及弹片的初始冲击的能力，从而进一步提高防弹防刺效果。
在本发明中，所述Kevlar纤维UD单片中Kevlar纤维的线密度优选为200～800D；所述Kevlar纤维的单丝强度优选为25～40cN/dtex。本发明对所述Kevlar纤维UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品或者熟知的制备工艺制备即可。
在本发明中，所述Kevlar纤维UD单片的面密度优选为30～50g/m 2；所述Kevlar纤维UD单片的厚度优选为0.05～0.15mm。
在本发明中，所述热压复合的温度优选为120～140℃；所述热压复合的压力优选为20～40MPa；所述热压复合的时间优选为20～60min。本发明通过控制热压复合的工艺参数能够进一步提高Kevlar纤维UD单片之间的结合强度。
在本发明中，所述抗冲击层中Kevlar纤维UD片材的张数优选为1～5张；所述相邻两张Kevlar纤维UD片材优选为正交排布。
在本发明中，所述Kevlar纤维UD片材的面密度优选为180～400g/m 2，更优选为200～320g/m 2。本发明通过限定Kevlar纤维UD片材的面密度能够进一步提高抵抗刀具的初始切割以及弹片的初始冲击的能力。
在本发明中，所述抗冲击层的厚度优选为0.5～2.5mm。本发明通过控制抗冲击层的厚度能够进一步提高抵抗刀具的初始切割以及弹片的初始冲击的能力。
本发明提供的防弹防刺材料还包括与抗冲击层相邻的抗切割防弹吸能层。本发明提供的抗切割防弹吸能层能够赋予材料抗切割和防弹吸能的双重功能。本发明对所述抗冲击层和抗切割防弹吸能层的结合方式没有特殊的限定，采用本领域技术人员熟知的堆叠方式即可。
在本发明中，所述抗切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成，或者由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成。
在本发明的一个技术方案中，所述抗切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成；当所述抗切割防弹吸能层由多张Kevlar纤维UD片材叠加而成时，所述相邻两张Kevlar纤维UD片材优选为正交排布；当所述抗切割防弹吸能层由多张UHMWPE纤维UD片材叠加而成时，所述相邻两张UHMWPE纤维UD片材优选为正交排布；当所述抗切割防弹吸能层由多张Kevlar纤维UD片材和多张UHMWPE纤维UD片材叠加而成时，所述相邻两张UD片材优选为正交排布。
在本发明中，所述Kevlar纤维UD片材优选由4～8层Kevlar纤维UD单片热压复合而成；所述相邻两层Kevlar纤维UD单片优选为正交排布；所述Kevlar纤维UD单片的面密度优选为30～50g/m 2；所述Kevlar纤维UD单片的厚度优选为0.05～0.15mm；所述热压复合的温度优选为120～140℃；所述热压复合的压力优选为20～40MPa；所述热压复合的时间优选为20～60min。本发明对所述Kevlar纤维UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品或者熟知的制备工艺制备即可。本发明通过控制热压复合的工艺参数能够进一步提高Kevlar纤维UD单片之间的结合强度。
在本发明中，所述Kevlar纤维UD单片的组成优选与前述抗冲击层中的Kevlar纤维UD单片相同，在此不再赘述。
在本发明中，所述Kevlar纤维UD片材的面密度优选为120～200g/m 2，更优选为150～200g/m 2；所述Kevlar纤维UD片材的张数优选为10～80，进一步优选为20～50，更优选为22～32。本发明通过控制Kevlar纤维UD片材的面密度和张数能够进一步提高防弹防刺材料抗切割和防弹吸能的能力。
在本发明中，所述UHMWPE纤维UD片材优选由4～8层UHMWPE纤维UD单片热压复合而成；所述UHMWPE纤维UD单片的面密度优选为20～40g/m 2。在本发明中，所述热压复合的温度优选为120～140℃；所 述热压复合的压力优选为20～40MPa；所述热压复合的时间优选为20～60min。本发明对所述UHMWPE纤维UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品或者熟知的制备工艺制备即可。本发明通过控制热压复合的工艺参数能够进一步提高UHMWPE纤维UD单片之间的结合强度。
在本发明中，所述UHMWPE纤维UD单片中UHMWPE纤维的线密度优选为200～800D，更优选为400～600D；所述UHMWPE纤维的单丝强度优选为35～50cN/dtex。本发明对所述UHMWPE纤维UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品即可。
在本发明中，所述UHMWPE纤维UD片材的面密度优选为80～160g/m 2，更优选为100～150g/m 2；所述UHMWPE纤维UD片材的张数优选为0～40，进一步优选为20～30，更优选为21～25。本发明通过控制UHMWPE纤维UD片材的面密度和张数能够进一步提高防弹防刺材料抗切割，以及吸收和消散子弹动能的能力。
在本发明中，当所述抗切割防弹吸能层由多张Kevlar纤维UD片材和多张UHMWPE纤维UD片材叠加而成时，优选在所述抗冲击层下面先叠加Kevlar纤维UD片材，再叠加UHMWPE纤维UD片材。
在本发明的另一个技术方案中，所述抗切割防弹吸能层由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成。
在本发明中，所述Kevlar/UHMWPE纤维混杂UD片材的张数优选为20～80，更优选为30～50；每张Kevlar/UHMWPE纤维混杂UD片材的面密度优选为100～190g/m 2，更优选为150～160g/m 2。本发明通过控制Kevlar/UHMWPE纤维混杂UD片材的结构、面密度和张数能够进一步提高防弹防刺材料抗切割，以及吸收和消散子弹动能的能力。
在本发明中，所述Kevlar/UHMWPE纤维混杂UD片材由若干层纤维混杂UD单片热压复合而成或者由若干层Kevlar纤维UD单片和若干层UHMWPE纤维UD单片热压复合而成。
在本发明中，当所述Kevlar/UHMWPE纤维混杂UD片材由若干层纤维混杂UD单片热压复合而成时，相邻两层纤维混杂UD单片优选为正交排布；所述纤维混杂UD单片由Kevlar纤维、UHMWPE纤维和热塑性树 脂按照UD布成型方法制备而成；所述Kevlar纤维与UHMWPE纤维的质量比优选为1：1；所述Kevlar纤维和UHMWPE纤维优选为交替排列；所述热塑性树脂优选包括水性聚氨酯、橡胶弹性体、低密度聚乙烯(LDPE)、乙烯和乙烯共聚物(EVA)中的至少一种；所述热塑性树脂的质量优选为纤维混杂UD单片质量的20～35％；所述纤维混杂UD片材优选为4～8层。本发明对所述Kevlar纤维、UHMWPE纤维和热塑性树脂的来源没有特殊的限定，采用本领域技术人员熟知的市售产品即可。本发明对所述按照UD布成型方法制备的操作没有特殊的限定，采用本领域技术人员熟知的制备方法制备即可。本发明对所述纤维混杂UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品即可。
在本发明中，所述热压复合的温度优选为120～140℃；所述热压复合的压力优选为20～40MPa；所述热压复合的时间优选为20～60min。本发明通过控制热压复合的工艺参数能够进一步提高纤维混杂UD片材之间的结合强度。
在本发明中，当所述Kevlar/UHMWPE纤维混杂UD片材由Kevlar纤维UD单片和UHMWPE纤维UD单片交替排列并热压复合而成时，所述Kevlar纤维UD单片优选为2～4层，所述UHMWPE纤维UD单片优选为2～4层；所述热压复合的温度优选为120～140℃；所述热压复合的压力优选为20～40MPa；所述热压复合的时间优选为20～60min。本发明通过控制热压复合的工艺参数能够进一步提高UD单片之间的结合强度。
在本发明中，所述Kevlar/UHMWPE纤维混杂UD片材中的相邻两层UD单片优选为正交排布。
在本发明中，所述Kevlar纤维UD单片的组成优选与前述抗冲击层中的Kevlar纤维UD单片相同，在此不再赘述。在本发明中，所述Kevlar纤维UD单片的面密度优选为30～50g/m 2；所述Kevlar纤维UD单片的厚度优选为0.05～0.15mm。本发明对所述Kevlar纤维UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品或者熟知的制备工艺制备即可。
在本发明中，所述UHMWPE纤维UD单片的组成优选与前述UHMWPE纤维UD片材中UHMWPE纤维UD单片相同，在此不再赘述。 在本发明中，所述UHMWPE纤维UD单片的面密度为优选为20～40g/m 2。本发明对所述UHMWPE纤维UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品或者熟知的制备工艺制备即可。
在本发明中，所述抗切割防弹吸能层的厚度优选为8～24.5mm，更优选为8～20mm。本发明通过控制抗切割防弹吸能层的厚度能够进一步提高防弹防刺材料抗切割，以及吸收和消散子弹动能的能力。
本发明提供的防弹防刺材料优选还包括叠加设置于所述抗切割防弹吸能层另一侧的抗背凸层。本发明提供的抗背凸层能够减少防弹防刺材料在刀具穿刺力或子弹冲击作用下的背凸深度，进一步提高防弹防刺效果。本发明对所述抗切割防弹吸能层和抗背凸层的结合方式没有特殊的限定，采用本领域技术人员熟知的堆叠方式即可。
在本发明中，所述抗背凸层优选为单张/多张Kevlar纤维UD片材、单张/多张UHMWPE纤维UD片材、单张/多张Kevlar纤维机织复合材料或单张/多张UHMWPE纤维机织复合材料；当所述抗背凸层为多张Kevlar纤维UD片材、多张UHMWPE纤维UD片材、多张Kevlar纤维机织复合材料或多张UHMWPE纤维机织复合材料时，所述相邻两张Kevlar纤维UD片材、UHMWPE纤维UD片材、Kevlar纤维机织复合材料或UHMWPE纤维机织复合材料优选为正交排布。
在本发明中，所述Kevlar纤维UD片材的张数优选为1～5张；所述UHMWPE纤维UD片材的张数优选为1～5张；所述Kevlar纤维机织复合材料的张数优选为1～5张；所述UHMWPE纤维机织复合材料的张数优选为1～5张。
在本发明中，所述Kevlar纤维UD片材优选由6层或8层Kevlar纤维UD单片热压复合而成；所述Kevlar纤维UD片材中的相邻两层Kevlar纤维UD单片优选为正交排布；所述热压复合的温度优选为120～140℃；所述热压复合的压力优选为20～40MPa；所述热压复合的时间优选为20～60min。本发明通过控制热压复合的工艺参数能够进一步提高UD单片之间的结合强度。
在本发明中，所述Kevlar纤维UD单片的组成优选与前述抗冲击层中的Kevlar纤维UD单片相同，在此不再赘述。在本发明中，所述Kevlar 纤维UD单片的面密度优选为30～50g/m 2；所述Kevlar纤维UD单片的厚度优选为0.05～0.15mm。本发明对所述Kevlar纤维UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品或者熟知的制备工艺制备即可。
在本发明中，所述Kevlar纤维UD片材的面密度优选为180～400g/m 2，更优选为200～300g/m 2。本发明通过控制Kevlar纤维UD片材的面密度能够进一步减少防弹防刺材料在刀具穿刺力或子弹冲击作用下的背凸深度，从而进一步提高防弹防刺效果。
在本发明中，所述UHMWPE纤维UD片材优选由6层或8层UHMWPE纤维UD单片热压复合而成；所述UHMWPE纤维UD片材中的相邻两层UHMWPE纤维UD单片优选为正交排布；所述热压复合的温度优选为120～140℃；所述热压复合的压力优选为20～40MPa；所述热压复合的时间优选为20～60min。本发明通过控制热压复合的工艺参数能够进一步提高UD单片之间的结合强度。
在本发明中，所述UHMWPE纤维UD单片的组成优选与前述UHMWPE纤维UD片材中UHMWPE纤维UD单片相同，在此不再赘述。在本发明中，所述UHMWPE纤维UD单片的面密度为优选为20～40g/m 2。本发明对所述UHMWPE纤维UD单片的来源没有特殊的限定，采用本领域技术人员熟知的市售产品或者熟知的制备工艺制备即可。
在本发明中，所述UHMWPE纤维UD片材的面密度优选为120～320g/m 2，更优选为200～300g/m 2。本发明通过控制UHMWPE纤维UD片材的面密度能够进一步减少防弹防刺材料在刀具穿刺力或子弹冲击作用下的背凸深度，从而进一步提高防弹防刺效果。
在本发明中，所述Kevlar纤维机织复合材料的制备方法优选包括如下步骤：
(1)制备Kevlar纤维机织物；
(2)将所述步骤(1)得到的Kevlar纤维机织物与PU胶膜/PU网膜热压复合，得到Kevlar纤维机织复合材料。
本发明优选制备Kevlar纤维机织物。本发明对所述制备Kevlar纤维机织物的操作没有特殊的限定，采用本领域技术人员熟知的操作即可。
得到Kevlar纤维机织物后，本发明优选将所述Kevlar纤维机织物与PU胶膜/PU网膜热压复合，得到Kevlar纤维机织复合材料。
在本发明中，所述PU胶膜/PU网膜优选为江苏东润安全科技有限公司生产；所述Kevlar纤维机织物与PU胶膜/PU网膜的质量比优选为(3～4)：1；所述热压复合的温度优选为120～135℃；所述热压复合的压力优选为20～40MPa)；所述热压复合的时间优选为20～60min。
在本发明中，所述Kevlar纤维机织复合材料的面密度优选为200～350g/m 2，更优选为250～300g/m 2。本发明通过控制Kevlar纤维机织复合材料的面密度能够进一步减少防弹防刺材料在刀具穿刺力或子弹冲击作用下的背凸高度，从而进一步提高防弹防刺效果。
在本发明中，所述UHMWPE纤维机织复合材料的制备方法优选包括如下步骤：
1)制备UHMWPE纤维机织物；
2)将所述步骤(1)得到UHMWPE纤维机织物与PU胶膜/PU网膜热压复合，得到UHMWPE纤维机织复合材料。
本发明优选制备UHMWPE纤维机织物。本发明对所述制备UHMWPE纤维机织物的操作没有特殊的限定，采用本领域技术人员熟知的操作即可。
得到UHMWPE纤维机织物后，本发明优选将所述UHMWPE纤维机织物与PU胶膜/PU网膜热压复合，得到UHMWPE纤维机织复合材料。
在本发明中，所述PU胶膜/PU网膜优选为江苏东润安全科技有限公司生产；所述UHMWPE纤维机织物与PU胶膜/PU网膜的质量比优选为(3～4)：1；所述热压复合的温度优选为120～135℃；所述热压复合的压力优选为20～40MPa；所述热压复合的时间优选为20～60min。
在本发明中，所述UHMWPE纤维机织复合材料的面密度优选为150～300g/m 2，更优选为200～250g/m 2。本发明通过控制UHMWPE纤维机织复合材料的面密度能够进一步减少防弹防刺材料在刀具穿刺力或子弹冲击作用下的背凸深度，从而进一步提高防弹防刺效果。
在本发明中，所述抗背凸层的厚度优选≤5mm，更优选为0.3～0.4mm。本发明通过控制抗背凸层的厚度能够进一步减少防弹防刺材料在刀具穿 刺力或子弹冲击作用下的背凸深度，从而进一步提高防弹防刺效果。
在本发明中，所述抗冲击层的质量优选占所述防弹防刺材料质量的4.5～10％，更优选为5～8％；所述抗切割防弹吸能层的质量优选占所述防弹防刺材料质量的70～95.5％，进一步优选为75～90％，更优选为80～85％；所述抗背凸层的质量优选占所述防弹防刺材料质量的0～20％，进一步优选为1～15％，更优选为3～10％。本发明通过控制防弹防刺材料中各层的质量能够进一步提高材料的防弹防刺效果。
在本发明中，所述UHMWPE纤维UD单片、Kevlar纤维UD单片、Kevlar纤维机织复合材料和UHMWPE纤维机织复合材料在使用前优选先对Kevlar纤维、UHMWPE纤维、Kevlar机织物、UHMWPE机织物进行等离子体处理，然后再制成UD单片或机织复合材料；所述等离子体处理的电压优选为150～200V；所述等离子体处理的时间优选为60～120s。本发明通过等离子体处理，能够增加纤维与树脂的抗剥离强度，间接地也有利于提高材料的防弹性能。
本发明提供的防弹防刺材料包括抗冲击层和抗切割防弹吸能层，其中，抗冲击层为单张或多张Kevlar纤维UD布，能够抵抗刀具的初始切割以及弹片的初始冲击；抗切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成或者由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成，利用Kevlar纤维和UHMWPE纤维赋予了防弹防刺材料抗切割和防弹吸能的双重功能，进一步提高了防弹防刺效果。
本发明提供的软质防弹防刺材料还具有轻质、柔软、防弹、防刺等功能。
下面结合实施例对本发明提供的防弹防刺材料进行详细的说明，但是不能把它们理解为对本发明保护范围的限定。
实施例1
一种防弹防刺材料，自上而下依次为抗冲击层、抗切割防弹吸能层和抗背凸层；
其中，所述抗冲击层为单张Kevlar纤维UD片材；所述Kevlar纤维UD片材由8层Kevlar纤维UD单片热压复合而成；相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD单片中Kevlar纤维的线密 度为600D，单丝强度为25cN/dtex；所述Kevlar纤维UD单片的面密度为50g/m 2，厚度为0.05mm；所述热压复合的温度为120℃，压力为20MPa，时间为40min；所述Kevlar纤维UD片材的面密度为400g/m 2；所述抗冲击层的厚度为0.4mm；
所述抗切割防弹吸能层由22张Kevlar纤维UD片材和21张UHMWPE纤维UD片材叠加而成；叠加方式为在防冲击层下面先叠加Kevlar纤维UD片材，再叠加UHMWPE纤维UD片材；所述Kevlar纤维UD片材由4层Kevlar纤维UD单片热压复合而成；相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD单片中Kevlar纤维的线密度为600D，单丝强度为25cN/dtex；所述Kevlar纤维UD单片的面密度为50g/m 2，厚度为0.05mm；所述热压复合的温度为120℃，压力为20MPa，时间为40min；所述Kevlar纤维UD片材的面密度为200g/m 2；所述UHMWPE纤维UD片材由4层UHMWPE纤维UD单片热压复合而成；所述UHMWPE纤维UD单片中UHMWPE纤维的线密度为400D，单丝强度为40cN/dtex；所述UHMWPE纤维UD单片的面密度为40g/m 2；所述热压复合的温度为120℃，压力为20MPa，时间为40min；所述UHMWPE纤维UD片材的面密度为160g/m 2；
抗切割防弹吸能层的厚度为8.6mm，面密度为7760g/m 2；
抗背凸层为单张UHMWPE纤维UD片材；所述单张UHMWPE纤维UD片材由6层UHMWPE纤维UD单片热压复合而成；所述UHMWPE纤维UD单片中UHMWPE纤维的线密度为400D，单丝强度为40cN/dtex；所述UHMWPE纤维UD单片的面密度为40g/m 2；相邻两层UHMWPE纤维UD单片为正交排布；所述热压复合的温度为120℃，压力为20MPa，时间为40min；所述UHMWPE纤维UD片材的面密度为240g/m 2；所述抗背凸层的厚度0.3mm；
抗冲击层的质量占所述防弹防刺材料质量的4.76％；抗切割防弹吸能层的质量占所述防弹防刺材料质量的92.38％所述抗背凸层的质量占所述防弹防刺材料质量的2.86％。
对实施例1的防弹防刺材料进行性能测试，其总面密度为8.4kg/m 2，能够满足GA2级(背凸深度均值≤25mm)、GA3级(背凸深度均值≤ 25mm)、NIJ IIA级(背凸深度均值≤35mm)、NIJ II级(背凸深度均值≤35mm)、NIJ IIIA级防弹要求(背凸深度均值≤32mm)，以及NIJ Level 2的防刺要求。
实施例2
一种防弹防刺材料，自上而下依次为抗冲击层和抗切割防弹吸能层；
其中，所述抗冲击层为单张Kevlar纤维UD片材；所述Kevlar纤维UD布由8层Kevlar纤维UD单片热压复合而成；相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD单片中Kevlar纤维的线密度为600D，单丝强度为25cN/dtex；Kevlar纤维UD单片的面密度为50g/m 2，厚度为0.05mm；所述热压复合的温度为120℃，压力为20MPa，时间为40min；所述Kevlar纤维UD布的面密度为400g/m 2；所述抗冲击层的厚度为0.4mm；
抗切割防弹吸能层由42张Kevlar/UHMWPE纤维混杂UD片材正交排布叠加而成；所述Kevlar/UHMWPE纤维混杂UD片材由4层纤维混杂UD单片热压复合而成；相邻两层纤维混杂UD单片为正交排布；所述纤维混杂UD单片由Kevlar纤维、UHMWPE纤维和水性聚氨酯按照UD布成型方法制备而成；所述Kevlar纤维与UHMWPE纤维的质量比为1：1，Kevlar纤维与UHMWPE纤维交替排列；水性聚氨酯的质量为纤维混杂UD单片质量的20％；热压复合的温度为120℃，压力为20MPa，时间为40min；所述每张Kevlar/UHMWPE纤维混杂UD片材的面密度为190g/m 2；
抗切割防弹吸能层的厚度为8.4mm，面密度为7980g/m 2；
抗冲击层的质量占所述防弹防刺材料质量的4.77％；防弹吸能层的质量占所述防弹防刺材料质量的95.23％。
对实施例2的防弹防刺材料进行性能测试，其总面密度为8.38kg/m 2，能够满足GA2级(背凸深度均值≤25mm)、GA3级(背凸深度均值≤25mm)、NIJ IIA级(背凸深度均值≤35mm)、NIJ II级(背凸深度均值≤35mm)、NIJ IIIA级防弹要求(背凸深度均值≤35mm)，以及NIJ Level 2的防刺要求。
实施例3
一种防弹防刺材料，自上而下依次为抗冲击层、抗切割防弹吸能层和 抗背凸层；
其中，所述抗冲击层为单张Kevlar纤维UD片材；所述Kevlar纤维UD片材由8层Kevlar纤维UD单片热压复合而成；相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD单片中Kevlar纤维的线密度为600D，单丝强度为25cN/dtex；所述Kevlar纤维UD单片的面密度为45g/m 2，厚度为0.05mm；所述热压复合的温度为120℃，压力为20MPa，时间为40min；所述Kevlar纤维UD布的面密度为360g/m 2；所述抗冲击层的厚度为0.4mm；
所述抗切割防弹吸能层由34张Kevlar纤维UD片材正交排布叠加而成；所述Kevlar纤维UD片材由6层Kevlar纤维UD单片热压复合而成；相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD单片中Kevlar纤维的线密度为400D，单丝强度为30cN/dtex；所述Kevlar纤维UD单片的面密度为35g/m 2，厚度为0.04mm；所述热压复合的温度为120℃，压力为20MPa，时间为40min；所述Kevlar纤维UD片材的面密度为210g/m 2；
抗切割防弹吸能层的厚度为8.16mm，面密度为7140g/m 2；
抗背凸层为单张Kevlar纤维UD片材；所述单张Kevlar纤维UD片材由8层Kevlar纤维UD单片热压复合而成；所述Kevlar纤维UD单片中Kevlar纤维的线密度为600D，单丝强度为25cN/dtex；所述Kevlar纤维UD单片的面密度为45g/m 2，厚度为0.05mm；相邻两层Kevlar纤维UD单片为正交排布；热压复合的温度为120℃，压力为20MPa，时间为40min；所述Kevlar纤维UD片材的面密度为360g/m 2；抗背凸层的厚度0.4mm；
抗冲击层的质量占所述防弹防刺材料质量的4.58％；抗切割防弹吸能层的质量占所述防弹防刺材料质量的90.84％，所述抗背凸层的质量占所述防弹防刺材料质量的4.58％。
对实施例3的防弹防刺材料进行性能测试，其总面密度为7.86kg/m 2，能够满足GA2级(背凸深度均值≤25mm)、GA3级(背凸深度均值≤25mm)、NIJ IIA级(背凸深度均值≤35mm)、NIJ II级(背凸深度均值≤35mm)、NIJ IIIA级防弹要求(背凸深度均值≤25mm)，以及NIJ Level  2的防刺要求。
从以上实施例可以看出，本发明提供的防弹防刺材料具备优异的防弹和防刺性能。
以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。对这些实施例的多种修改对本领域的专业技术人员来说是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (18)

  1. 一种防弹防刺材料，包括依次设置的抗冲击层和抗切割防弹吸能层；
    所述抗冲击层为单张或多张Kevlar纤维UD片材；
    所述抗切割防弹吸能层由多张Kevlar纤维UD片材和/或多张UHMWPE纤维UD片材叠加而成，或者由多张Kevlar/UHMWPE纤维混杂UD片材叠加而成；
    所述Kevlar/UHMWPE纤维混杂UD片材由若干层纤维混杂UD单片热压复合而成；所述纤维混杂UD单片由Kevlar纤维、UHMWPE纤维和热塑性树脂按照UD布成型方法制备而成；
    或者所述Kevlar/UHMWPE纤维混杂UD片材由若干层Kevlar纤维UD单片和若干层UHMWPE纤维UD单片交替排列并热压复合而成。
  2. 根据权利要求1所述的防弹防刺材料，其特征在于，所述防弹防刺材料还包括叠加设置于所述抗切割防弹吸能层另一侧的抗背凸层；所述抗背凸层为单张/多张Kevlar纤维UD片材、单张/多张UHMWPE纤维UD片材、单张/多张Kevlar纤维机织复合材料或单张/多张UHMWPE纤维机织复合材料。
  3. 根据权利要求2所述的防弹防刺材料，其特征在于，所述Kevlar纤维UD片材由6层或8层Kevlar纤维UD单片热压复合而成，相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD片材的面密度为180～400g/m 2。
  4. 根据权利要求2所述的防弹防刺材料，其特征在于，所述UHMWPE纤维UD片材由6层或8层UHMWPE纤维UD单片热压复合而成，相邻两层UHMWPE纤维UD单片为正交排布；所述UHMWPE纤维UD片材的面密度为120～320g/m 2。
  5. 根据权利要求2所述的防弹防刺材料，其特征在于，所述Kevlar纤维机织复合材料的面密度为200～350g/m 2；所述UHMWPE纤维机织复合材料的面密度为150～300g/m 2。
  6. 根据权利要求2所述的防弹防刺材料，其特征在于，所述抗背凸 层的厚度≤5mm。
  7. 根据权利要求1所述的防弹防刺材料，其特征在于，所述抗冲击层中Kevlar纤维UD片材的张数为1～5张，相邻两张Kevlar纤维UD片材为正交排布。
  8. 根据权利要求1或7所述的防弹防刺材料，其特征在于，所述抗冲击层中每张Kevlar纤维UD片材由6层或8层Kevlar纤维UD单片热压复合而成，相邻两层Kevlar纤维UD单片为正交排布；所述Kevlar纤维UD片材的面密度为180～400g/m 2。
  9. 根据权利要求1所述的防弹防刺材料，其特征在于，所述抗冲击层的厚度为0.5～2.5mm。
  10. 根据权利要求1所述的防弹防刺材料，其特征在于，所述抗切割防弹吸能层中每张Kevlar纤维UD片材由4～8层Kevlar纤维UD单片热压复合而成；所述Kevlar纤维UD片材的面密度为120～200g/m 2。
  11. 根据权利要求1所述的防弹防刺材料，其特征在于，所述UHMWPE纤维UD片材由4～8层UHMWPE纤维UD单片热压复合而成；所述UHMWPE纤维UD片材的面密度为80～160g/m 2。
  12. 根据权利要求1所述的防弹防刺材料，其特征在于，所述Kevlar/UHMWPE纤维混杂UD片材的张数为20～80。
  13. 根据权利要求1或12所述的防弹防刺材料，其特征在于，所述Kevlar/UHMWPE纤维混杂UD片材由4～8层纤维混杂UD单片热压复合而成；所述Kevlar/UHMWPE纤维混杂UD片材的面密度为100～180g/m 2。
  14. 根据权利要求1所述的防弹防刺材料，其特征在于，所述纤维混杂UD单片中Kevlar纤维与UHMWPE纤维的质量比为1：1，Kevlar纤维和UHMWPE纤维为交替排列。
  15. 根据权利要求1所述的防弹防刺材料，其特征在于，所述Kevlar/UHMWPE纤维混杂UD片材由2～4层Kevlar纤维UD单片和2～4层UHMWPE纤维UD单片交替排列并热压复合而成；所述Kevlar/UHMWPE纤维混杂UD片材的面密度为100～180g/m 2。
  16. 根据权利要求15所述的防弹防刺材料，其特征在于，所述热压复合的温度为120～140℃，热压复合的压力为20～40MPa，热压复合的时 间为20～60min。
  17. 根据权利要求1所述的防弹防刺材料，其特征在于，所述抗切割防弹吸能层的厚度为8～24.5mm。
  18. 根据权利要求17所述的防弹防刺材料，其特征在于，所述抗切割防弹吸能层的厚度为8～20mm。
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871748A (zh) * 2010-04-20 2010-10-27 深圳航天科技创新研究院 一种软体防刺防弹材料
CN101881582A (zh) * 2009-12-09 2010-11-10 湖南中泰特种装备有限责任公司 一种防刺防弹材料及制备方法
US20130219600A1 (en) * 2012-02-23 2013-08-29 Multi Axial, Llc Multi-layer non - woven fabric multi-use material for ballistic and stab resistance comprising impregnated and oriented fiber non - woven fabric layers; manufacturing, method, and protection garment produced thereby
CN105452797A (zh) * 2013-08-07 2016-03-30 帝斯曼知识产权资产管理有限公司 防弹片、包含这种片的制品及其制造方法
CN106113813A (zh) * 2016-06-24 2016-11-16 同济大学 一种采用超高分子量聚乙烯纤维与芳纶纤维的混编布
CN108981467A (zh) * 2018-07-16 2018-12-11 南通大学 一种复合结构的软质防刺材料及其制备方法
CN111267429A (zh) * 2020-03-13 2020-06-12 南通大学 一种uhmwpe纤维增强树脂基软质防弹材料
CN113329870A (zh) * 2019-01-24 2021-08-31 帝人芳纶有限公司 基于具有基质的膜的防弹制品

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202329423U (zh) * 2011-10-18 2012-07-11 璧山县公安局 防刺防弹服
CN203252087U (zh) * 2013-05-06 2013-10-30 盐城市国泰高新防备有限公司 一种带有防弹功能的书包
CN104669724A (zh) * 2013-11-29 2015-06-03 北京雷特新技术实业公司 一种软质防弹防刺片材
CN104669725B (zh) * 2015-02-05 2016-06-08 山东大学 一种混杂纤维多维复合防弹胸插板及其制备方法
BE1023672B1 (nl) * 2016-05-19 2017-06-12 Seyntex N.V. Flexibele, licht-gewicht antiballistische bescherming
CN109099769A (zh) * 2017-06-20 2018-12-28 南京新莱尔材料科技有限公司 一种轻质高强防刺防弹服及其制造方法
CN111909489B (zh) * 2020-08-14 2023-12-29 南通大学 一种纤维树脂复合材料及其制备方法与应用
CN213599939U (zh) * 2020-10-30 2021-07-02 安徽威亚新材料技术有限公司 防弹结构

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101881582A (zh) * 2009-12-09 2010-11-10 湖南中泰特种装备有限责任公司 一种防刺防弹材料及制备方法
CN101871748A (zh) * 2010-04-20 2010-10-27 深圳航天科技创新研究院 一种软体防刺防弹材料
US20130219600A1 (en) * 2012-02-23 2013-08-29 Multi Axial, Llc Multi-layer non - woven fabric multi-use material for ballistic and stab resistance comprising impregnated and oriented fiber non - woven fabric layers; manufacturing, method, and protection garment produced thereby
CN105452797A (zh) * 2013-08-07 2016-03-30 帝斯曼知识产权资产管理有限公司 防弹片、包含这种片的制品及其制造方法
CN106113813A (zh) * 2016-06-24 2016-11-16 同济大学 一种采用超高分子量聚乙烯纤维与芳纶纤维的混编布
CN108981467A (zh) * 2018-07-16 2018-12-11 南通大学 一种复合结构的软质防刺材料及其制备方法
CN113329870A (zh) * 2019-01-24 2021-08-31 帝人芳纶有限公司 基于具有基质的膜的防弹制品
CN111267429A (zh) * 2020-03-13 2020-06-12 南通大学 一种uhmwpe纤维增强树脂基软质防弹材料

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