WO2011069320A1 - 一种防刺防弹材料及制备方法 - Google Patents

一种防刺防弹材料及制备方法 Download PDF

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Publication number
WO2011069320A1
WO2011069320A1 PCT/CN2010/000721 CN2010000721W WO2011069320A1 WO 2011069320 A1 WO2011069320 A1 WO 2011069320A1 CN 2010000721 W CN2010000721 W CN 2010000721W WO 2011069320 A1 WO2011069320 A1 WO 2011069320A1
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WIPO (PCT)
Prior art keywords
layer
stab
resistant
film
fiber
Prior art date
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PCT/CN2010/000721
Other languages
English (en)
French (fr)
Inventor
杨年慈
吴志泉
林明清
吴传清
高波
周运波
林海军
张远军
周万奇
郭勇
Original Assignee
湖南中泰特种装置有限责任公司
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Application filed by 湖南中泰特种装置有限责任公司 filed Critical 湖南中泰特种装置有限责任公司
Priority to EP10790338.7A priority Critical patent/EP2433790B1/en
Priority to RU2011103698/05A priority patent/RU2473862C2/ru
Priority to BRPI1003992-9A priority patent/BRPI1003992B1/pt
Priority to US12/811,135 priority patent/US8420202B2/en
Priority to AU2010257470A priority patent/AU2010257470B2/en
Priority to KR1020117000748A priority patent/KR101322874B1/ko
Priority to IL209202A priority patent/IL209202A/en
Publication of WO2011069320A1 publication Critical patent/WO2011069320A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
    • B29C70/202—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres arranged in parallel planes or structures of fibres crossing at substantial angles, e.g. cross-moulding compound [XMC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/12—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0089—Impact strength or toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4842—Outerwear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/777—Weapons
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24074—Strand or strand-portions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24124—Fibers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
    • Y10T428/24306—Diamond or hexagonal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber

Definitions

  • the invention relates to a soft stab and bulletproof material.
  • the invention also relates to a method of preparing the above soft stab and bulletproof material. Background technique
  • DuPont proposed a ramie-coated aramid fabric as a thorn-resistant layer, and a fine-denier, high-density aramid plain fabric as a bullet-proof layer.
  • the superposition of the two can play the role of stab-proof and bullet-proof.
  • the cost of the aramid shaving process and the fine-denier yarn is difficult to be accepted by the user, thus causing the stab-resistant and bulletproof materials not to be marketed. accept.
  • Honeywell proposes a composite of multi-layer HSHM-PE fabric and rubber to produce a stab-resistant layer material, and a multi-layer UD multilayer of Honeywell LCR as a bulletproof layer material.
  • the above two materials are superimposed one after another, showing a synergistic effect of stab and bulletproof, however, the processing of the stab resistant layer in such a material is difficult to industrialize. Summary of the invention
  • the soft stab and bulletproof material provided by the present invention is composed of a stab resistant layer and a bulletproof layer, wherein:
  • the anti-stinging layer is at least one layer, and each layer is composed of two units of orthogonal composites of high-strength and high-modulus fiber single-oriented prepreg tapes, and the adjacent fiber orientations of adjacent layers are rotated by 45° to recombine each other.
  • An anhydride-modified styrene-ethylene-butylene-styrene polymer is an adhesive;
  • the bulletproof layer is at least one layer, and each layer is composed of two units of orthogonal composite of high strength and high modulus fiber single-oriented prepreg tape, and the adjacent fiber orientations of adjacent layers are rotated by 90° to recombine each other, and the two sides of the bulletproof layer are adhered.
  • Polyethylene film; polyethylene film bonding is a solvent-based adhesive using styrene-ethylene-ethylene-propylene-styrene polymer, styrene-ethylene-butylene-styrene polymer or blends thereof.
  • the stab resistant layer and the ballistic resistant layer are disposed adjacent to each other or form an sandwich structure with optional other layers sandwiched therebetween.
  • Other layers described therein include, but are not limited to, high strength, high modulus fiber single oriented prepreg materials.
  • the surface density of the high-strength high-modulus fiber prepreg single layer is ⁇ 40 g/m.
  • the present invention employs high strength, high modulus polyethylene fibers, aramid fibers or polyarylate fibers, of which high strength and high modulus polyethylene fibers are more preferred.
  • the high-strength high-modulus fiber of the present invention has a strength of at least 32 cN/dtex and a modulus of at least 1000 cN/dtex, more preferably a fiber strength of 35 cN/dtex and a modulus of at least 1 100 cN/dtex.
  • the high-strength biaxially-stretched organic film bonded to both sides of the stab-resistant layer of the present invention may be a biaxially oriented polypropylene film, a polyester film, a polyimide film or a polyethylene terephthalate film, wherein It is preferable to biaxially stretch the polyester film; the biaxially stretched polyester film has a film thickness of ⁇ 15 ⁇ m ⁇ , and more preferably a film thickness of ⁇ 5 ⁇ m.
  • the biaxially oriented organic film bonded on both sides of the anti-stinging layer of the invention has longitudinal and transverse tensile strengths of more than 200 and 240 MPa, respectively, modulus of more than 4000 and 5000 MPa, longitudinal transverse elongation at break. Each is 130% and 140%.
  • biaxially oriented polypropylene having a longitudinal transverse tensile strength greater than 200 and 240 MPa, a modulus greater than 4000 and 5000 MPa, and a longitudinal transverse elongation at break of 130% and 140%, respectively, may be employed. Ester film.
  • the high-strength and high-modulus fibers are placed on the parallel wire frame, the fiber tow bundles are evenly spaced under the traction of the tractor, and the high-strength and high-modulus fibers are fed simultaneously to the friction roller device, and the static friction fibers carry the high-voltage static electricity, and the monofilaments in the bundle fibers Repel each other under the action of electrostatic force to achieve a uniform arrangement;
  • the fiber is dipped and squeegee, and the adhesive is solidified and formed, so that the high-strength and high-modulus fibers are uniformly aligned in a single orientation to maintain, and the unoriented fiber single-oriented prepreg continuous coil is obtained under further drying;
  • the unlined fiber single-oriented prepreg continuous coil material prepared in step 1 is cut into a square sheet, and the square sheet is pressed adjacent to the two places after the unlined single fiber orientation of the step 1 is dipped and the adhesive is not dried.
  • the [0°/90°] unlined two-layer orthogonal composite fiber single-oriented prepreg continuous coil in step 2 is again subjected to thermal composite of adjacent layer fiber orientation orthogonally to obtain a four-layer orthogonal film.
  • the composite fiber prepreg is continuously wound, and a polyethylene film is bonded on both sides of the coil to obtain a bulletproof continuous coil of [0°/90°] 2 four-layer orthogonal composite structure;
  • Polyimide film or polyethylene terephthalate film is compounded to obtain two-unit cross-compositing stab-resistant and bullet-proof materials; four units (0°/90°, 45./135°, 0°/ 90°, 45°/135°) cross-compositing, double-sided bonding high-strength polypropylene film, polyester film, polyimide film or polyethylene terephthalate film In combination, a four-unit 45° cross-compositing stab-resistant and bullet-proof material is obtained.
  • the fibers of the present invention are high-strength polyethylene fibers, aramid fibers or polyarylate fibers, preferably high-strength polyethylene fibers having a fiber strength of at least 32 cN/dtex and a modulus of at least 1000 cN/dtex. More preferably, the fiber has a strength of at least 35 cN/dtex and a modulus of at least 1 100 cN/dtex.
  • the polyethylene film of the present invention is bonded by using a styrene-ethylene-ethylene-propylene-styrene polymer or a styrene-ethylene-butylene-styrene polymer.
  • the adhesion of the high-strength polypropylene film, the polyester film, the polyimide film or the polyethylene terephthalate film in the invention is modified by using styrene-ethylene-ethylene-propylene-styrene polymer and maleic anhydride.
  • the styrene-ethylene-butylene-styrene polymer is an adhesive.
  • the soft material of the invention has the functions of stab and bulletproof, and cooperates with the traditional UD material to prepare the core material of stab and bulletproof, thereby achieving the purpose of preparing lightweight bulletproof and stab-resistant clothing.
  • the bulletproof principle of the material of the present invention is as follows:
  • UD fiber single-oriented prepreg tape orthogonal composite structure material
  • UD fiber single-oriented prepreg tape orthogonal composite structure material
  • the above-mentioned bulletproof mechanism does not coincide with the stab-proof principle.
  • the material has poor stab resistance and does not have the excellent function of stab-proof and bulletproof.
  • the present invention adopts a biaxially stretched high-strength biaxially stretched film, thereby improving the puncture ability, but the ability to resist puncture by the film alone is limited, comparative experiment (P-knife is used as the puncture tool, and the single-oriented prepreg tape of the adhesive film is used as the material to be punctured). It shows that especially when the high-strength biaxially oriented film is bonded to the orthogonal composite single-oriented prepreg tape, the bursting strength is greatly increased.
  • the polyester biaxially oriented film has an effect on the softness of the material, which may be ⁇ 150, and more preferably a film thickness of ⁇ 5 ⁇ .
  • the cutting force of the cutting tool is the maximum.
  • the anti-cutting effect of the fiber on the cutting edge is increasing. Strong.
  • the randomness between the cutting edge and the angle of the fiber to be cut it is impossible to predict the value of this angle. Therefore, in the UD material, the fiber orientation is only arranged in two directions perpendicular to each other.
  • the statistical experimental distribution of the orientation distribution of the fiber in the UD material to the cutting resistance of the P-knife shows that when the orientation angle of the fiber is gradually increased from 0° to 45°, the fiber distribution increases the cutting resistance of the P-knife. Big. Therefore, it is preferred that the orientation of the fibers in the UD material perpendicular to each other should be changed to an orientation of ⁇ 90°. After a plurality of alignments of the UD material fiber orientation distribution rotation of 0° - 45°, the orientation angle of the two unit fibers is preferably 45°, thereby obtaining at least one layer of the stab resistance layer, each layer being high-strength and high.
  • the single-oriented prepreg tape of the mold fiber is orthogonal to the composite unit, and the orientation angle of the adjacent layers of the fibers is 0°-45°, and the unit cross-compositing with a rotation angle of 45° is preferable.
  • the cross-compositing may be two units, or three units or four units, and more preferably the intersecting unit is two units or four units.
  • the fiber orientation angle is changed to 45°, thus retaining the partial ballistic performance of the UD (about 60%).
  • the combination of the above two UD materials constitutes the soft stab and ballistic resistant material of the present invention.
  • a high strength high modulus polyethylene (HSHM-PE) fiber (breaking strength ⁇ 35 cN/dtex, modulus ⁇ 1100 cN/dtex, elongation at break 3%) of ZTX99 of about 600 d (240 f) was placed on a parallel wire frame.
  • the fiber tow was dragged by a seven-roller tractor through a steel crucible of 5 ⁇ /cm, evenly spaced within a width of 1.20 M, and the fibers were fed simultaneously into the friction roller device.
  • the fibers carry high-voltage static electricity through the static friction, and the monofilaments in the bundle fibers repel each other under the action of electrostatic force to reach a uniform arrangement state, and then dipped by the dipping roller (the adhesive is styrene- Ethylene-butylene-styrene polymer (SEBS), styrene-ethylene-ethylene-propylene-styrene polymer (SEEPS) or a mixture of the two, solvent-based adhesive, adhesive content 12-16%) and scraping
  • SEBS styrene- Ethylene-butylene-styrene polymer
  • SEEPS styrene-ethylene-ethylene-propylene-styrene polymer
  • the unlined single-oriented prepreg continuous web in the examples was cut into 1.20 M square sheets for subsequent orthogonal compounding.
  • Example 1 The operation of Example 1 was repeated. After the single oriented fiber was dipped, and the adhesive was not dried, the 1.20 M square sheet was superposed and bonded in an orthogonal form adjacent to the two layers of fibers, and then pressurized in a rolling composite machine. Composite, realizes the orthogonal linear composite of [0 90°], and becomes a [0°/90°] unlined two-layer orthogonal composite single-oriented prepreg continuous coil.
  • the [0°/90°] unlined two-layer orthogonal composite single-oriented prepreg continuous coil in Example 2 was repeatedly subjected to thermal compounding of the orthogonal orientation of the fiber orientation of the two-unit adjacent layer to obtain a four-layer filmless film.
  • Preparation of orthogonal composite prepreg continuous coil For example, in the case of secondary thermal recombination, a polyethylene ( ⁇ ) film (having a thickness of 6 ⁇ m and an areal density of 6 g/m 2 ) is attached to both sides of the material, thereby obtaining an areal density of 160 g/m 2 .
  • the bulletproof continuous coil (containing 80% fiber, containing 12.5% adhesive, containing 7.5% film) with [0°/90°] 2 four-layer orthogonal composite structure of PE protective film is used for bulletproof clothing.
  • Example 2 was repeated to obtain a linerless two-layer orthogonal composite single-oriented prepreg continuous web, in which the fiber content was 82% and the adhesive content was 18%, and the obtained material was composed of the unit after cross-compositing.
  • the P-knife is tested for anti-caries performance according to the GA68-2008 standard (24J). Under normal temperature conditions, 1 layer is not worn in one test; at high temperature, 3 tests are tested immediately after 55°C and 4hr, P-cutting The target sample is 12mm.
  • the stab-resistant material ZTC-2 and the bullet-proof material ZT160 are superimposed and matched according to the number of layers shown in Table 1.
  • the anti-stabbing material layer is used for the impact and the thorn surface, and the P-knife is used for the stab resistance test according to the GA68-2008 standard (24J).
  • the anti-elasticity test was carried out according to the GJB 4300-2002, GA141-2001 standard using l. lg fragment, type 54 pistol type 51 bullet, and 79 micro-punching type 51 bullet. The results are shown in Table 1. Anti-elasticity
  • V 0 427m / s (0 °) through the 19-layer room temperature standard 2
  • V 0 416.7m / s (-30 °) through 13 layers
  • V 0 420.7m / s (0 °) wear 15 layers
  • V 0 418.6m / s (0 °) through 16 layers
  • V 0 523.3m / s (-30 o ) through the 34-layer room temperature standard
  • V 0 518.9m / s (0 °) through 34 layers
  • V 0 490.2m / s (0 °) wear 29 layers
  • the stab-resistant standard is: Tested by GA68-2008 (24J) with P-knife, P-knife is not allowed to penetrate the target sample at normal temperature or high temperature (55°C, 4hr).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
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  • General Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Laminated Bodies (AREA)
  • Reinforced Plastic Materials (AREA)

Description

一种防刺防弹材料及制备方法 技术领域
本发明涉及一种软质防刺防弹材料。
本发明还涉及上述软质防刺防弹材料的制备方法。 背景技术
枪击与刀刺是构成对人体伤害的两大威胁， 枪击还是刀刺往往对个体 防护者来讲是无法预测的， 因此个体装备同时具有防刺和防弹的功能是十 分必要的。 然而防刺与防弹的机理存在很大差异， 材料同时兼顾两种功能 十分困难。
人们对 P刀的穿刺作了一些探讨（详见 Textile Research Journal vol 76 ( 8 ) 607-613 ),指出锐利刀尖具有极大的穿刺能力以及锋利刀刃对材料具 有极大的切割作用， 为此人们围绕着以下两个方面展开了研究：
(一） 抵御锐利刀尖的穿刺： 如 US2004/0048536A, , US6586351B, 提出以高强织物表面粘合固体硬质颗粒， 以此起到对刀尖的抵御；
(二） 抵御锋利刀刃的切割： 如 US5472769、 US5736474A、 ^^^。(^/(^？？斗？八，提出了织物与金属网混合结构，或不锈钢长丝加捻成股 结构来抵御锋利刀刃的切割； US6280546 提出了织物表面粘合热塑性薄 膜， 由此来提高材料的抗切割能力。
上述措施整体效果欠佳， 且缺乏防弹作用。
杜邦公司在 US6475936B,提出了以膨松的破经缎纹的芳纶织物为防 刺层，并以细旦高紧密度的芳纶平紋织物为防弹层。两者叠加能起到防刺、 防弹的兼顾作用， 然而芳纶的破经缎纹加工技术和细旦丝的成本， 很难被 用户接纳， 由此造成这种防刺、 防弹材料没有被市场接受。
Honeywell公司在 WO2007/084104A2提出一种以多层 HSHM-PE织物 与橡胶复合制得防刺层材料，又以 Honeywell公司 LCR的 UD多层叠加作 为防弹层材料。 上述两种材料依次叠加， 显示出防刺防弹的兼顾作用， 然 而该种材料中的防刺层加工难以产业化。 发明内容
本发明的目的在于提供一种软质防刺防弹材料。
本发明的又一目的在于提供一种制备上述软质防刺防弹材料的方法。 为实现上述目的， 本发明提供的软质防刺防弹材料， 由防刺层和防弹 层组成， 其中：
防刺层为至少一层， 每层为两个由高强高模纤维单取向预浸带正交复 合的单元组成， 相邻单元相邻层纤维取向之间旋转 45 ° 相互复合， 防剌层 的两面粘合有高强聚丙烯薄膜、 聚酯薄膜、 聚酰亚胺薄膜或聚苯二甲酸乙 二醇酯薄膜；薄膜的粘合是采用苯乙烯 -乙烯 -乙烯 -丙烯 -苯乙烯聚合物和马 来酸酐改性苯乙烯-乙烯-丁烯-苯乙烯聚合物为胶粘剂；
防弹层为至少一层， 每层为两个由高强高模纤维单取向预浸带正交复 合的单元组成， 相邻单元相邻层纤维取向之间旋转 90° 相互复合， 防弹层 的两面粘合有聚乙烯薄膜； 聚乙烯薄膜的粘合是采用苯乙烯-乙烯-乙烯-丙 烯-苯乙烯聚合物、苯乙烯-乙烯-丁烯-苯乙烯聚合物或它们共混物的溶剂型 胶粘剂，
其中所述防刺层和防弹层相邻设置或与夹于其间的任选的其它层形 成夹心结构。其中所述的其它层包括但不限于高强高模纤维单取向预浸材 料。
所述的防刺防弹材料中， 高强高模纤维预浸带单层的面密度为 <40g/m
本发明采用的是高强高模聚乙烯纤维、 芳纶或聚芳酯纤维， 其中更为 可取的是高强高模聚乙烯纤维。
本发明的高强高模纤维， 是指其强度至少为 32cN/dtex， 模量至少为 1000cN/dtex,更为可取的纤维强度为 35cN/dtex,模量至少为 1 100cN/dtex。
本发明的防刺层两侧粘合的高强双向拉伸有机薄膜， 可以是双向拉伸 聚丙烯薄膜、 聚酯薄膜、 聚酰亚胺薄膜或聚苯二甲酸乙二醇酯薄膜， 其中 更为可取的是双向拉伸聚酯薄膜； 该双向拉伸聚酯薄膜的薄膜厚度为 <15μιτι, 更为可取的薄膜厚度≤5μπι。
本发明的防刺层两侧粘合的双向拉伸有机薄膜， 其纵向横向拉伸强度 各大于 200和 240MPa,模量各大于 4000和 5000 MPa， 纵向横向断裂伸长 各为 130%和 140%。 例如， 在某些优选实施方案中， 可采用其纵向横向拉 伸强度各大于 200和 240MPa，模量各大于 4000和 5000 MPa, 纵向横向断 裂伸长各为 130%和 140%的双向拉伸聚酯薄膜。
本发明提供的制备上述防刺防弹材料的方法， 主要步骤为：
1 ) 无衬膜单取向预浸带连续卷材的制备
将高强高模纤维置于平行丝架上， 纤维丝束在牵引机拖动下均匀间隔 排布， 高强高模纤维同步喂入摩擦辊装置， 经静摩擦纤维携带高压静电， 束纤维中的单丝在静电力作用下相互排斥， 达到均匀排列状态；
纤维经浸胶和刮胶， 胶粘剂固化成型， 使高强高模纤维单取向均匀排 列状态于以保持， 在进一步干燥下获得无衬膜纤维单取向预浸带连续卷 材；
2 ) 无衬膜二层正交复合单取向纤维预浸带连续卷材的制备
将步骤 1制备的无衬膜纤维单取向预浸带连续卷材裁剪成方形片材， 在步骤 1的无衬膜单纤维取向被浸胶后胶粘剂尚未干燥之处， 将方形片材 按邻近两层纤维取向正交形式叠加和粘合并加压复合，实现 [0°/90 ]的正交 在线复合，制备得到 [0°/90°]无衬膜二层正交复合纤维单取向预浸带连续卷 材；
3 ) 防弹用四层正交复合单取向预浸带连续卷材的制备
将步骤 2 中的 [0°/90°]无衬膜二层正交复合纤维单取向预浸带连续卷 材再次实施邻近层纤维取向正交的热复合， 制得无衬膜四层正交复合纤维 预浸带连续卷材， 并在该卷材的两面粘合聚乙烯薄膜， 获得 [0°/90°]2四层 正交复合结构的防弹用连续卷材；
4 ) 防刺用四层交叉复合单取向预浸带连续卷材的制备
将步骤 2 制备得到的 [0°/90°]无衬膜二层正交复合纤维单取向预浸带 连续卷材，与 [0°/90°]无衬膜二层正交复合纤维单取向预浸带连续卷材实施 邻层纤维取向交叉角为 45°的热复合（0°/90°、 45 135° ) , 之后在该材料的 两面喷涂胶粘剂， 粘合高强聚丙烯薄膜、 聚酯薄膜、 聚酰亚胺薄膜或聚苯 二甲酸乙二醇酯薄膜进行复合， 得到二单元交叉复合的防刺兼防弹用材； 将四单元 （0°/90°、 45。/135°、 0°/90°、 45°/135° )交叉复合， 两侧粘合高强 聚丙烯薄膜、 聚酯薄膜、 聚酰亚胺薄膜或聚苯二甲酸乙二醇酯薄膜进行复 合， 由此， 得到四单元 45°交叉复合的防刺兼防弹用材。
本发明的纤维为高强聚乙烯纤维、 芳纶或聚芳酯纤维， 其中可取的是 高强聚乙烯纤维， 纤维强度至少为 32cN/dtex， 模量至少为 1000cN/dtex。 更为可取的纤维强度至少为 35cN/dtex， 模量至少为 1 100cN/dtex。
本发明中聚乙烯薄膜的粘合是采用苯乙烯-乙烯-乙烯-丙烯-苯乙烯聚 合物或苯乙烯-乙烯-丁烯-苯乙烯聚合物。
本发明中高强聚丙烯薄膜、 聚酯薄膜、 聚酰亚胺薄膜或聚苯二甲酸乙 二醇酯薄膜的粘合是采用苯乙烯-乙烯-乙烯-丙烯-苯乙烯聚合物和马来酸 酐改性苯乙烯 -乙烯 -丁烯 -苯乙烯聚合物为胶粘剂。
本发明的软质材料兼有防刺、 防弹功能， 与传统的 UD材料配合， 制 备防刺、 防弹的核心材料， 从而达到制备轻质防弹、 防刺服的目的。 具体实施方式
本发明的材料防弹原理如下：
UD (纤维单取向预浸带正交复合结构材料） 是防弹的最佳结构形式， 该形式材料能充分利用纤维的高强高模特征； 在纤维被破坏时吸收子弹的 动能； 该材料的纤维挺直排列， 使子弹的冲击波得以高速传递和分散； 该 材料的纤维单取向预浸带正交复合材料， 在冲击时发生层间剥离， 会吸收 子弹的冲击动能。 上述防弹机理与防刺原理不相吻合， 实测该材料的防刺 性差， 不具备防刺防弹的优良功能。
针对锐利刀尖， 织物与 UD结构均易被顶破， 本发明采用双向拉伸高 强双向拉伸薄膜， 由此提高穿刺的能力， 但仅依靠薄膜这种抗穿刺的能力 是有限的， 对比实验 （以 P刀为穿刺刀具， 以粘合薄膜的单取向预浸带为 被刺材料）表明：尤其是高强双向拉伸薄膜粘合正交复合单取向预浸带时， 其顶破强度大大地提高， 且多层上述材料对顶破起到十分显著的效果， 其 中尤以双向拉伸的聚丙烯、 聚酯、 聚酰亚胺或聚苯二甲酸乙二醇酯薄隳为 佳， 更为可取的是聚酯双向拉伸薄膜为佳； 薄膜的厚度对材料的柔软性有 所影响， 它可以是≤15 0， 更为可取的薄膜厚度≤5μπ。
根据刀刃对纤维的切割力学分析， 当纤维与刀刃平面成 90°时， 刀具 切割力为最大值， 随着这一夹角的减少， 纤维对刀刃的抗切割作用不断增 强。 然而刀刺过程中， 切割刀刃与被切割纤维的夹角之间的随机性， 人们 无法预测这一夹角为何值， 因此在 UD材料中纤维取向仅为相互垂直的两 个方向排列分布是欠缺的， 改变纤维在 UD材料中的取向分布对 P刀的抗 切割关系的统计实验分布表明：当纤维的取向夹角由 0°逐步提高至 45°时， 纤维分布对 P刀的抗切割力增大。 因此， UD材料中纤维相互垂直排列取 向应该改变为 <90°的取向排列为宜。经过 UD材料纤维取向排列分布旋转 为 0°— 45°的多种排列对比， 两单元纤维取向旋转角为 45°为宜， 由此得出 了防刺层为至少一层， 每层为高强高模纤维单取向预浸带正交为复合单 元， 单元间相邻层纤维取向排列旋转角为 0°— 45°， 更为可取的旋转角为 45°的单元交叉复合。 这种交叉复合可以是二单元， 也可以是三单元或四 单元， 更为可取的交叉单元为二单元或四单元。 在实现交叉单元复合后， 粘接上双向拉伸高强薄膜， 构成防刺层的基本单元形式。
由于上述 UD的新颖材料中纤维依然为挺直排列状态， 与传统 UD材 料间的区别仅为纤维排列取向角改为 45°， 因此保留着 UD的部分防弹性 能 （约 60% )。 上述两种 UD材料的搭配构成了本发明的软质防刺防弹材 料。
以下由实施例进行详细描述， 但权利要求不受描述的数据所限制。 在 本发明中， 除非特别指明， 所有份数、 百分比、 比例都是以重量为基础， 所有温度都是指摄氏度。
实施例 1
无衬膜单取向预浸带连续卷材的制备
将 ZTX99约 600d (240f) 的高强高模聚乙烯 （HSHM-PE) 纤维 （断 裂强度≥35cN/dtex、 模量≥1100cN/dtex、 断裂伸长 3 % ) 置于平行丝架上。 纤维丝束在七辊牵引机拖动下， 通过 5筘 /厘米的钢筘， 在 1.20M幅宽内 均匀间隔排布， 纤维同步喂入摩檫辊装置。 在后牵引机拖动下， 纤维经静 摩檫携带高压静电， 束纤维中的单丝在静电力作用下相互排斥， 达到均匀 排列状态.， 之后经浸胶辊浸胶（胶粘剂为苯乙烯-乙烯-丁烯-苯乙烯聚合物 ( SEBS )、 苯乙烯-乙烯-乙烯-丙烯-苯乙烯聚合物（SEEPS )或两者混合为 主体的溶剂型胶粘剂， 胶粘剂含量为 12- 16 % )和刮胶完成定量均匀浸胶。 被浸胶纤维单取向材， 在鼓风千燥下， 胶粘剂快速固化成型， 使纤维单取 向均匀排列状态于以保持， 在进一步干燥下获得无衬膜的单取向预浸带连 续卷材的制备 （该卷材面密度为 37g/m2， 纤维含量约 86%， 含胶量约 14 % )。 ,
实施例 2
无衬膜二层正交复合单取向预浸带连续卷材的制备
将实施例中的无衬膜单取向预浸带连续卷材裁剪成 1.20M 正方形片 材， 供之后正交复合用。
重复实施例 1操作， 在单取向纤维被浸胶后， 胶粘剂尚未干燥之处， 将 1.20M正方形片材按邻近两层纤维取向正交形式叠加和粘合，之后在滚 动式复合机中加压复合， 实现 [0 90°]的正交在线复合， 成为 [0°/90°]无衬 膜二层正交复合单取向预浸带连续卷材。
实施例 3
防弹用四层正交复合单取向预浸带连续卷材的制备 (ZT160)
将实施例 2 中 [0°/90°]无衬膜二层正交复合单取向预浸带连续卷材再 次重复实施二单元邻近层纤维取向正交的热复合， 制得无衬膜四层正交复 合预浸带连续卷材的制备。 如在二次热复合时， 在该材料的两侧贴以 （厚 度为 6μηι、面密度为 6g/m2 )聚乙烯（ΡΕ )薄膜，由此获得面密度为 160g/m2， 两侧贴以 PE保护薄膜的 [0°/90°]2四层正交复合结构的防弹用连续卷材（含 80%纤维、 含 12.5 %胶粘剂， 含 7.5 %薄膜）， 供防弹服使用。
实施例 4
防刺用四层交叉复合单取向预浸带连续卷材的制备 （ZTC )
重复实施例 2制得无衬膜二层正交复合单取向预浸带连续卷材， 在此 材料中纤维含量为 82 %， 胶粘剂含量为 18 %， 所得材料为之后交叉复合 的单元组成。
将上述单元的连续卷材与另 -一单元的卷材实施邻层纤维取向交叉角 为 45°的热复合， 之后在该材料的两侧喷以各 2 %的胶粘剂 （为 SEEPS和 马来酸酐改性 SEBS为主体的溶剂型胶粘剂）， 贴上厚度为 5μίτι、 面密度 为 8g/m2的聚酯 （PET ) 双向拉伸薄膜进行二次复合， 得到二单元 45° ( 0。/90°、 45°/135° ) 交叉复合， 两侧贴有 PET 薄膜的防刺兼防弹用材 (ZTC-2 ) ; 如将四单元 （0°/90°、 45 135°、 0°/90°、 45°/135° ) 交叉复合， 两侧贴 PET薄膜进行复合， 由此， 得到四单元 45°交叉复合两侧贴有 PET 薄膜的防刺兼防弹专用材 （ZTC- 4 )， 供防刺服使用。
实施例 5
防刺材料 ZTC-2防刺性能
将 52层 ZTC-2材料叠加成 AD=8.95kg/m2靶样，采用 P刀按 GA68-2008 标准 （24J) 进行防刺性能测试， 在常温状态下， 3次试验， 靶样最后均 6 层未穿； 在高温状态下 55 °C、 4hr之后即刻测试 1 次试验 3层未穿透， 1 次试验临界。
比较例 I
[0°/90°]2结构两侧是 5μΐΏΡΕΤ膜防刺材料防刺性能
采用 [0 90°]2结构形式， 两侧贴 PET膜 54层叠加成 AD = 9.38kg/m2 靶样， 采用 P刀按 GA68-2008标准 （24J) 进行防刺试验： 在常温状态下
3次试验， 靶样最后均 5层未穿透。
比较例 2
防弹材料 ZT161 , [0°/90°]2结构， 两侧贴有 5μπ ΡΕΤ膜防刺性能 采用防弹材料 ZT161 ,单层面密度 AD= 135g/m2， 以 84层叠加成 AD = 11.35kg/m2 o 采用 P刀按 GA68-2008标准 ( 24J ) 进行防剌性能测试， 在常温状态下， 1次试验 1层未穿； 在高温状态下， 55°C、 4hr之后即刻测 试 3次试验， P刀穿透靶样均为 12mm。
实施例 6
防刺材料 ZTC-2与防弹材料 ZT160结合的防刺防弹性能
将防刺材料 ZTC-2与防弹材料 ZT160按表 1所示层数叠加搭配， 以 防刺材料层为迎弹、 迎刺面， 采用 P刀按 GA68-2008标准 （24J ) 进行防 刺性能测试； 采用 l . lg破片、 54式手枪 51式子弹、 79微冲 51式子弹按 GJB 4300-2002 , GA141-2001标准进行防弹性能测试，其结果如表 1所示。 防弹性能
防刺性能※
No AD 厚度 防刺层 防弹层 共计 标准： GJB 4300-2002
标准： GA68-2008
g/m: mm ZTC-2 ZT160 层数 标准： GA141-2001
室温达标 l . l g破片
Figure imgf000009_0001
6-1 9.128 12 46层 8层 54层
高温达标 54/51 V50 = 578.0m/s
54/51实弹射击
1、 V0=427m/s(0°) 穿 19层 室温达标 2、 V0=416.7m/s(-30°) 穿 13层
6-2 9.25 12 46层 8层 54层
高温达标 3 V0=432.3m/s(+30°) 穿 16层
4、 V0 = 420.7m/s(0°) 穿 15层
5、 V0=418.6m/s(0°) 穿 16层
79微冲 51式子弹实弹射击
1、 V0=479.7m/s(0°) 穿 26层
2、 V0=523.3m/s(-30o) 穿 34层 室温达标
10.96 16 43层 23层 66层 3、 V0=492. m/s(+30o) 穿 31层 高温达标
4、 V0 = 518.9m/s(0°) 穿 34层
5、 V0 = 51 .7m/s(0°) 穿 33层
6、 V0=490.2m/s(0°) 穿 29层
※防刺达标为：采用 P刀按 GA68-2008 (24J) 测试， 无论在常温或高温 （55°C， 4hr)， P刀均不允许穿透靶样,

Claims

权 利 要 求
1、 一种防刺防弹材料， 包含防刺层和防弹层， 其中：
防刺层为至少一层，每层为两个由高强高模纤维单取向预浸带正交复 合的单元组成， 相邻单元的相邻层纤维取向之间旋转小于等于 45 ° 相互 复合， 防剌层的两面粘合有双向拉伸有机薄膜；双向拉伸有机薄膜的粘合 是采用苯乙烯-乙烯-乙烯-丙烯-苯乙烯聚合物和马来酸酐改性苯乙烯-乙 烯 -丁烯 -苯乙烯聚合物的溶剂型胶粘剂；
防弹层为至少一层，每层为两个由高强高模纤维单取向预浸带正交复 合的单元组成， 相邻单元的相邻层高强高模纤维取向之间旋转 90° 相互 复合， 防弹层的两面粘合有聚乙烯薄膜；聚乙烯薄膜的粘合是采用苯乙烯 -乙烯-丁烯-苯乙烯聚合物、 苯乙烯-乙烯-乙烯-丙烯-苯乙烯聚合物或它们 共混物的溶剂型胶粘剂，
其中所述防刺层和防弹层相邻设置或与夹于其间的任选的其它层形 成夹心结构。
2、 根据权利要求 1所述的防刺防弹材料， 其中， 所述的高强高模纤 维是高强高模聚乙烯纤维、 芳纶或聚芳酯纤维。
3、 根据权利要求 1或 2所述的防剌防弹材料， 其中， 所述高强高模 纤维强度至少为 32cN/dtex， 模量至少为 1000cN/dtex。
4、 根据权利要求 3所述的防剌防弹材料， 其中， 所述高强高模纤维 强度为 35cN/dtex， 模量为 1 100cN/dtex。
5、 根据权利要求 1所述的防刺防弹材料， 其中， 所述高强高模纤维 预浸带的单层面密度为≤4(^/1112。
6、 根据权利要求 1所述的防剌防弹材料， 其中， 所述的双向拉伸有 机薄膜是双向拉伸聚丙烯薄膜、聚酯薄膜、聚酰亚胺薄膜或聚苯二甲酸乙 二醇酯薄膜。
7、 根据权利要求 6所述的防剌防弹材料， 其中， 所述的双向拉伸有 机薄膜是双向拉伸聚酯薄膜。
8、 根据权利要求 7所述的防剌防弹材料， 其中， 所述的双向拉伸聚 酯薄膜的厚度≤5μπι。
9、 根据权利要求 7所述的防刺防弹材料， 其中， 所述的双向拉伸聚 酯薄膜， 其纵向横向拉伸强度各大于 200和 240MPa， 模量各大于 4000 禾口 5000 MPa， 纵向横向断裂伸长各为 130%禾口 140%。
10、 制备权利要求 1所述防刺防弹材料的方法， 主要步骤为：
1 ) 无衬膜单取向预浸带连续卷材的制备
将高强高模纤维置于平行丝架上，纤维丝束在牵引机拖动下均匀间隔 排布， 高强高模纤维同步喂入摩擦辊装置， 经静摩擦纤维携带高压静电， 束纤维中的单丝在静电力作用下相互排斥， 达到均匀排列状态；
纤维经浸胶和刮胶，胶粘剂固化成型，使高强高模纤维单取向均匀排 列状态于以保持， 在进一步干燥下获得无衬膜纤维单取向预浸带连续卷 材；
2 ) 无衬膜二层正交复合单取向纤维预浸带连续卷材的制备
将步骤 1制备的无衬膜纤维单取向预浸带连续卷材裁剪成方形片材， 在步骤 1的无衬膜单纤维取向被浸胶后胶粘剂尚未干燥之处，将方形片材 按邻近两层纤维取向正交形式叠加和粘合并加压复合， 实现 [0°/90°]的正 交在线复合， 制备得到 [0°/90°]无衬膜二层正交复合纤维单取向预浸带连 续卷材；
3 ) 防弹用四层正交复合单取向预浸带连续卷材的制备
将步骤 2中的 [0°/90°]无衬膜二层正交复合纤维单取向预浸带连续卷 材再次实施邻近层纤维取向正交的热复合，制得无衬膜四层正交复合纤维 预浸带连续卷材， 并在该卷材的两面粘合聚乙烯薄膜， 获得 [0°/90°]2四 层正交复合结构的防弹用连续卷材；
4 ) 防刺用四层交叉复合单取向预浸带连续卷材的制备
将步骤 2制备得到的 [0°/90°]无衬膜二层正交复合纤维单取向预浸带 连续卷材， 与 [0°/90°]无衬膜二层正交复合纤维单取向预浸带连续卷材实 施邻层纤维取向交叉角为 45°的热复合 （0°/90°、 45°/135° ) , 之后在该材 料的两面喷涂胶粘剂， 粘合高强聚丙烯薄膜、 聚酯薄膜、聚酰亚胺薄膜或 聚苯二甲酸乙二醇酯薄膜进行复合，得到二单元交叉复合的防刺兼防弹用 材； 将四单元 （0°/90°、 45°/135°、 0°/90。、 45°/135° ) 交叉复合， 两侧粘 合高强聚丙烯薄膜、聚酯薄膜、聚酰亚胺薄膜或聚苯二甲酸乙二醇酯薄膜 进行复合， 由此， 得到四单元 45°交叉复合的防刺兼防弹用材。
II
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