Classifications

• • D—TEXTILES; PAPER
  • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
  • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
  • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
  • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
  • D02G3/442—Cut or abrasion resistant yarns or threads
• • D—TEXTILES; PAPER
  • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
  • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
  • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
• • 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
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
  • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
  • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
• • 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
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
  • Y10T442/3065—Including strand which is of specific structural definition
• • 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
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
  • Y10T442/425—Including strand which is of specific structural definition

Definitions

• the invention relates to penetration-resistant textile fabrics and articles comprising the fabrics.
• Penetration inhibitors i. Protection against attacks with shot, stab and explosive weapons-providing textile fabrics are known.
• US 4,897,902 describes stretched and twisted multifilament yarns of polyethylene fibers having a weight average molecular weight of at least about 500,000, which are fabricated into fabrics. The fabrics are heat-shrunk or heat-set.
• WO 2009/087123 A1 describes a staple fiber yarn comprising at least one twine, the twine comprising a blend of first and second staple fibers, wherein the first staple fibers are made of high tenacity filaments having a tenacity of at least 80 cN / tex and the second staple fibers are shrinking in the range of 5% to 50%.
• US 2004/0023580 A1 describes a compacted tissue that is puncture resistant and has antiballistic properties.
• the attack with firearms can be done with spherical or splinter-shaped ammunition, so that a penetration-inhibiting textile fabric should cause at least bullet and splinter protection.
• a penetration-inhibiting textile fabric should cause at least bullet and splinter protection.
• explosive weapons it depends on the splinter protection effect of the penetration-inhibiting textile fabric used. Therefore, there has long been a need for penetration-inhibiting textile fabrics with ball and splinter protection, which lately an increasing need for penetration-inhibiting textile fabrics has arisen, which have an improved splinter protection effect with the same ball protection.
• the object of the present invention is to provide penetration-inhibiting textile fabrics which have an improved splinter protection effect with the same ball protection.
• a penetration-inhibiting textile fabric (I) comprising at least one untwisted high performance filament yarn having a measured according to ASTM D-885 without rotation distribution breaking strength of at least 1100 MPa, which is characterized in that the high-performance filament yarn is a high-performance filament yarn increased in volume, that the textile fabric (I) comprising the volume-increased high-performance filament yarn has a relative compressibility measured according to DIN 53885 (October 1997), to determine the initial thickness with a measurement pressure of 0.5 N.
• the relative compressibility being greater by a factor f, which has a value in the range from 1.2 to 5, than the relative compressibility of a textile comparative sheet, the production of which differs from the production of the penetration-inhibiting textile fabric (I) only in that the high-performance filament yarn of the comparative textile fabric is not increased in volume.
• That the production of the o.g. textile comparison fabrics of the preparation of the penetration-inhibiting textile fabric (I) according to the invention only differs in that the high performance filament yarn of the textile comparison sheet is not increased in volume means in the present invention that in the preparation of the textile comparison sheet the same filament-forming starting material, ie. the same filament-forming polymer having the same molecular weight, by the same spinning method is spun into a high-performance filament yarn as in the preparation of the penetration-inhibiting textile fabric (I) according to the invention.
• the high-performance filament yarn used for producing the penetration-inhibiting textile comparative sheet is not increased in volume and processed in the same manner as in the preparation of the penetration-inhibiting textile fabric (I) according to the invention to the comparative textile fabric.
• the penetration-inhibiting textile fabric (I) according to the invention with the same ball protection is characterized by an improved splinter-protection effect.
• the penetration-inhibiting textile fabric (I) according to the invention is surprisingly distinguished by an improved stab-protection effect, which is all the more surprising in view of the above-described marked deterioration of the mechanical properties of the high-performance filament yarn in its volume increase.
• the penetration-inhibiting fabric (I) comprises a high performance filament yarn having a tenacity measured at least 1700 MPa (120 cN / tex) according to ASTM D-885, more preferably at least 2160 MPa (150 cN / tex).
• the penetration-inhibiting fabric (I) comprises at least one high-performance untwisted filament yarn selected from the group consisting of aramid filament yarns, polybenzoxazole filament yarns, polybenzothiazole filament yarns or consists of a mixture of at least two of the aforementioned filament yarns.
• the high-performance filament yarn is selected either from the group consisting of aramid filament yarns only or only of polybenzoxazole filament yarns or only of polybenzothiazole filament yarns.
• the high-performance filament yarn can also consist of a mixture of aramid filament yarns with polybenzoxazole and / or polybenzothiazole filament yarns.
• this means that the high-performance filament yarn can also consist of a mixture of polybenzoxazole and polybenzothiazole filament yarns.
• aramid filament yarns mean filament yarns made from aramids, i. are prepared from aromatic polyamides wherein at least 85% of the amide (-CO-NH-) bonds are bonded directly to two aromatic rings.
• An aromatic polyamide particularly preferred for the present invention is poly-para-phenylene terephthalamide, a homopolymer resulting from the mol: mol polymerization of para-phenylenediamine and terephthalic acid dichloride.
• polybenzoxazole filament yarns and polybenzothiazole filament yarns mean filament yarns made from polybenzoxazoles or from polybenzothiazoles, ie from polymers having the structural units shown below, in which the aromatic groups bonded to the nitrogen are preferably carbocyclic, as in US Pat Structural units shown. However, said groups may also be heterocyclic. Further, the nitrogen-bonded aromatic groups are preferably six-membered rings as shown in the structural units. However, said groups may also be formed as fused or unfused polycyclic systems.
• the penetration-inhibiting textile fabric (I) according to the invention has high-performance filament yarns with a single filament denier in the range from 0.4 dtex to 3.0 dtex, particularly preferably in the range from 0.7 dtex to 1.5 dtex and in particular in the range of 0.8 dtex to 1.2 dtex.
• the penetration-inhibiting textile fabric (I) comprises high-performance filament yarns having a yarn denier in the range from 100 dtex to 6000 dtex, more preferably in the range from 210 dtex to 3360 dtex and in particular in the range from 550 dtex to 1680 dtex ,
• the penetration-inhibiting textile fabric (I) according to the invention is preferably a woven fabric, a knitted fabric, a knitted fabric or a unidirectional or multiaxial fabric.
• the penetration-inhibiting textile fabric (I) according to the invention can be a fabric double layer.
• the construction of such tissue double layers is in WO 02/075238 described.
• the penetration-inhibiting textile fabric (I) according to the invention is a fabric
• the fabric preferably has a linen, twill or satin weave or its derivatives or combinations.
• the penetration-inhibiting textile fabric (I) according to the invention can be prepared from the volume-enlarged high-performance filament yarn, e.g. with a bar rapier weaving machine, a band rapier weaving machine, a projectile weaving machine, an air-jet weaving machine or a water-jet weaving machine.
• the penetration-inhibiting textile fabric (I) according to the invention is a knitted fabric
• the knitted fabric is preferably designed such that the threads according to the invention run parallel to one another in at least one of the possible yarn directions and through a stitch-forming binding thread system with at least one thread, with preferably low weight and volume fraction of the knitted or knitted fabric to be fixed.
• the at least two layers of parallel high-performance filament yarns of the type described above are preferably connected to one another by a stitch or stitch-forming binding thread system with at least one thread, preferably with a low weight and volume fraction relative to the multi-axial layer.
• the penetration-inhibiting textile fabric (I) according to the invention comprises a high-performance filament yarn of the type described above, characterized in that the high-performance filament yarn is a volume-enlarged high-performance filament yarn.
• the volume increase of the high-performance filament yarn can in principle be brought about by any method capable of increasing the volume of the high-performance filament yarn used according to the invention to such an extent that the penetration-inhibiting textile fabric (I) according to the invention, which comprises the volume-increased high-performance filament yarn has the relative compressibility measured according to DIN 53885 (October 1997) as described above, which is larger by a factor f, which has a value in the range of 1.2 to 5, than the relative compressibility of a comparative textile fabric whose production differs from that of US Pat Production of the penetration-inhibiting textile fabric (I) according to the invention only differs in that the high-performance filament yarn of the textile comparison sheet is not increased in volume.
• the volume-expanded high performance filament yarn comprises high performance filaments - aramid filaments, polybenzoxazole filaments, polybenzothiazole filaments or a blend of at least two of the above-mentioned filaments - and shrunken filaments, e.g. Polyacrylonitrile filaments.
• the high performance filaments and shrinkable filaments e.g.
• Knitting texturing means that the high-performance filament yarn used is fed to a circular knitting machine, for example with a diameter of 1 to 50 inches, with a fineness of preferably 5 to 20 gauge and the resulting tube is passed twice for a time in the range of 10 to 60 minutes at a temperature of> 100 ° C in water vapor, for example in an autoclave, treated and separated again.
• the knit-textured yarn thus treated has a wave-like structure thereafter even if the high-performance knit-textured filament yarn is a knit-textured aramid filament yarn. The latter is surprising to a person skilled in the art because it has hitherto been assumed that aramid filament yarns can not be textured.
• the penetration-inhibiting textile fabric (I) has a measured in the manner described above according to DIN 53885 (October 1997) relative compressibility, which is greater by a factor f, which has a value in the range of 1.2 to 5, than the relative compressibility of a comparative textile fabric whose manufacture differs from the production of the penetration-inhibiting textile fabric (I) according to the invention only in that the high-performance filament yarn of the comparative textile fabric is not increased in volume.
• the penetration-inhibiting textile fabric (I) according to the invention surprisingly exhibits an improved splinter protection effect with the same ball protection and, in addition, an improved puncture protection effect. If f is less than 1.2, the aforementioned property combination is not observed. If f is greater than 5, there are structures whose low degree of orientation in the fiber longitudinal direction leads to a significant decrease in the energy dissipation required for ball protection.
• the factor f has a value in the range from 1.4 to 4 and in a particularly preferred embodiment has a value in the range from 1.6 to 3.0.
• the article (AI) according to the invention is a combined ball, splinter and stab protection vest.
• Breaking strength and elongation at break are measured according to ASTM D-885, but without rotation.
• the relative compressibility of the fabric is measured according to DIN 53885 (October 1997) with the difference that the initial thickness is determined with a measurement pressure of 0.5 N / cm 2 and the final thickness with a measurement pressure of 5.0 N / cm 2 .
• the breaking strength of the poly-para-phenylene terephthalamide filament yarn deteriorates to a value of 160 cN / tex (2240 MPa), i. by 20%, and the elongation at break to 2.66%, i. at 11 %.
• the stricktexturABLE poly-para-phenylene terephthalamide filament yarn is processed with a thread count of 8.5 per cm in warp and weft on a Stangengreiferwebmaschine to a screen fabric with a basis weight of 165 g / m 2.
• the fabric consisting of the knit-textured poly-para-phenylene terephthalamide filament yarn has a relative compressibility of 28.3%.
• 16 layers of the fabric consisting of the knit-textured poly-para-phenylene-terephthalamide filament yarn are stacked in a raw state, ie without removal of the finish by, for example, a washing process and without application of a water-repellent finish.
• the package is moisture conditioned at a temperature of 20 ° C for 20 hours at a relative humidity of 65% and has a basis weight of 2.6 kg / m 2 .
• the moisture-conditioned package is bombarded with sliver bullets in accordance with STANAG 2920 (1.1 g sliver) and the v 50 (Sliver) value, ie the bullet velocity at which 50% of all shots are held, determined.
• the value of v 50 (splinter) is 483 m / s (see Table 1).
• the fabric consisting of the non-textured poly-para-phenylene terephthalamide filament yarn has a relative compressibility of 12.5%.
• Example 16 layers of unprocessed poly-para-phenylene terephthalamide filament yarn unprocessed fabric are piled into a package and moisture conditioned as in Example 1.
• the package has a basis weight of 2.6 kg / m 2 .
• the moisture-conditioned packet is determined as in Example 1 v 50 (splitter).
• the value of v 50 (splinter) is 453 m / s (see Table 1).
• the breaking strength of the poly-para-phenylene terephthalamide filament yarn deteriorates to 160 cN / tex (2240 MPa), ie, 20%, and the elongation at break to 2.66%, ie, 11%.
• the knit-textured poly-para-phenylene-terephthalamide filament yarn is made into a fabric as in Example 1.
• the fabric consisting of the knit-textured poly-para-phenylene terephthalamide filament yarn has a relative compressibility of 28.3%.
• Twenty-six layers of the fabric consisting of the knit-textured poly-para-phenylene-terephthalamide filament yarn are stacked in a raw state, ie without removal of the finish by, for example, a washing process and without application of a water-repellent finish.
• the package is moisture conditioned at a temperature of 20 ° C for 20 hours at a relative humidity of 65% and has a basis weight of 4.25 kg / m 2 .
• the moisture-conditioned package is bombarded with 9mm DM 41 rounds and the v 50 (ball) value determined.
• the value of v 50 (sphere) is 473 ⁇ 10 m / s. (see Table 1).
• the fabric consisting of the non-textured poly-para-phenylene terephthalamide filament yarn has a relative compressibility of 12.5%.
• Example 2 Twenty-six layers of the nontextured poly-para-phenylene terephthalamide filament yarn are piled into a package and moisture conditioned as in Example 2. At the moisture-conditioned package is like in Example 2 of the v 50 (sphere) value determined. The value of v 50 (sphere) is 478 ⁇ 6 m / s (see Table 1).
• Table 1 shows that the knitted-textured yarn according to the invention with equal ball protection (compare Example 2 with Comparative Example 2) has splinter protection which is 6.6% higher in comparison to non-textured yarn (compare Example 1 with Comparative Example 1) ).
• Example 2 Twenty-five layers of a knit-textured poly-para-phenylene-terephthalamide filament yarn fabric as prepared in Example 1 are piled up in a raw package.
• the package is moisture conditioned as in Example 1 and has a basis weight of 4.1 kg / m 2 .
• the package is subjected to a puncture resistance test using a P1B knife in accordance with the "Home Office Scientific Development Branch (HOSDB) Body Armor Standards for UK police (2007), Part 3: Knife and Spike Resistance", which is described in the standard on page 6, chapter 5.3, Fig. 2 and on page 21 is described.
• the package to be tested is placed on an elastic foam of 66 mm thickness. The foam simulates the human body.
• the foam lies on a metal plate.
• the package to be tested on the foam is bribed with the above-identified P1B knife, which has a certain kinetic energy. Then the penetration depth of the knife into the foam is measured. The depth of penetration into the foam simulates the depth at which the blade would penetrate into the body of the attacked during a knife attack with a certain energy of the knife.
• Example 2 Twenty-five layers of a non-knit-textured poly-para-phenylene-terephthalamide filament yarn fabric as prepared in Comparative Example 1 are piled up into a package in the raw state.
• the package is moisture conditioned as in Example 1 and has a basis weight of 4.1 kg / m 2 .
• the package is subjected to a puncture resistance test using a P1B knife as in Example 3, in accordance with the Body Office Standard Standards for UK police (2007), Part 3: Knife and Spike Resistance (HOSDB). The results are shown in Table 2.
• Table 2 shows that when the package of Example 3 of the knitted textured filament yarn fabric layers of the present invention were kneaded at a kinetic energy of the knife of 10.2 joules, the penetration depth of the knife into the foam was only 7 mm, while at the same kinetic energy of the knife the bribing of the package of Comparative Example 3 from fabric layers of non-textured filament yarn results in a penetration of 32 mm into the foam.
• Table 2 also shows that when the package of Example 3 of the knitted textured filament yarn fabric layers of the invention were knitted at a kinetic energy of 36 joules, the penetration of the knife into the foam was only 16 mm, while at the same kinetic energy of the knife Corrugation of the package of Comparative Example 3 from fabric plies of non-textured filament yarn results in complete penetration of the foam so that the knife strikes the metal plate on which the foam rests.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Textile Engineering (AREA)
• Ceramic Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Woven Fabrics (AREA)
• Knitting Of Fabric (AREA)
• Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
• Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
• Laminated Bodies (AREA)
• Manufacturing Of Multi-Layer Textile Fabrics (AREA)

Priority Applications (1)

Applications Claiming Priority (3)

Publications (2)

Family

ID=42115753

Family Applications (1)

Country Status (14)

Cited By (1)

Families Citing this family (1)

Family Cites Families (14)

• 2010
  • 2010-08-27 WO PCT/EP2010/062524 patent/WO2011026783A1/de active Application Filing
  • 2010-08-27 CA CA 2772633 patent/CA2772633A1/en not_active Abandoned
  • 2010-08-27 RU RU2012112958/12A patent/RU2525809C2/ru active
  • 2010-08-27 MX MX2012002695A patent/MX2012002695A/es active IP Right Grant
  • 2010-08-27 JP JP2012527288A patent/JP5547812B2/ja not_active Expired - Fee Related
  • 2010-08-27 BR BR112012004859A patent/BR112012004859A2/pt not_active IP Right Cessation
  • 2010-08-27 US US13/394,262 patent/US20120159699A1/en not_active Abandoned
  • 2010-08-27 EP EP20100747036 patent/EP2473659B1/de active Active
  • 2010-08-27 CN CN201080049859.1A patent/CN102597346B/zh not_active Expired - Fee Related
  • 2010-08-27 AU AU2010291362A patent/AU2010291362A1/en not_active Abandoned
• 2012
  • 2012-03-01 IL IL218412A patent/IL218412A/en not_active IP Right Cessation
  • 2012-03-02 ZA ZA2012/01607A patent/ZA201201607B/en unknown
  • 2012-03-02 CL CL2012000575A patent/CL2012000575A1/es unknown
  • 2012-03-29 CO CO12052918A patent/CO6440509A2/es not_active Application Discontinuation

Also Published As

Similar Documents

Legal Events