WO2016121545A1 - 防護織物及びその製造方法 - Google Patents
防護織物及びその製造方法 Download PDFInfo
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- WO2016121545A1 WO2016121545A1 PCT/JP2016/051217 JP2016051217W WO2016121545A1 WO 2016121545 A1 WO2016121545 A1 WO 2016121545A1 JP 2016051217 W JP2016051217 W JP 2016051217W WO 2016121545 A1 WO2016121545 A1 WO 2016121545A1
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0035—Protective fabrics
- D03D1/0041—Cut or abrasion resistant
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- 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
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- 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
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/047—Blended or other yarns or threads containing components made from different materials including aramid fibres
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- 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
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/16—Yarns or threads made from mineral substances
- D02G3/18—Yarns or threads made from mineral substances from glass or the like
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- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
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- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/267—Glass
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
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- 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
- D10B2101/00—Inorganic fibres
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
- D10B2101/06—Glass
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- 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
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
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- 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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
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- 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
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- 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
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
- D10B2331/042—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET] aromatic polyesters, e.g. vectran
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- 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
- D10B2331/06—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyethers
- D10B2331/061—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyethers polyetherketones, polyetheretherketones, e.g. PEEK
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- 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
- D10B2331/14—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
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- 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
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
Definitions
- the present invention relates to a protective fabric made of high strength and high elastic fiber yarn having high strength and impact resistance. More particularly, the present invention relates to a protective fabric having a textured fabric and a method for producing the same.
- Patent Documents 1 and 2 fabrics using high-strength and high-elasticity fibers such as aramid fibers have been proposed as protective fabrics such as blade-proof clothing and bulletproof vests.
- Patent Documents 1 and 2 fabrics using high-strength and high-elasticity fibers such as aramid fibers have been proposed as protective fabrics such as blade-proof clothing and bulletproof vests.
- the present inventor has proposed to apply a multi-woven fabric having a specific woven structure and a laminated sheet using the same to blade-proof clothing and the like.
- blade-proof clothing such as blade-proof vests and leg protectors for chain saw work
- it is put in the side and sewn on the body of the waist, for example.
- fabric defects such as aggregates of fiber cotton
- vehicle seats When used as a vehicle seat, it may be used alone in the state of a woven fabric or a sheet. Therefore, in the case of a woven fabric, it has been required to adjust the eye wind.
- the present invention provides a protective fabric and a method for producing the same, in which the fabric's appearance is adjusted while maintaining a high protective function.
- the protective fabric of the present invention is a protective fabric including super fiber yarns, and the warp yarn is made of at least two twisted inorganic filament yarns as core yarns, and the surroundings of the core yarns are covered with the super fiber yarns. It is a covering yarn, and the weft is the super fiber yarn.
- the method for producing a protective fabric according to the present invention is the method for producing the protective fabric described above, wherein the distance between the upper end and the lower end of the warp is 80 mm or more and 120 mm or less when the warp is moved up and down by the heald.
- the warp is a covering yarn in which at least two inorganic filament yarns added with a twist are used as a core yarn, the periphery of the core yarn is covered with a super fiber yarn, and the weft is a super fiber yarn.
- fabric defects such as fuzz and moss even when subjected to ironing or rubbing with a wrinkle or a heddle (held) in a loom, and a protective fabric in which the texture of the fabric is adjusted while maintaining a high protective function can be provided.
- the warp yarn is a covering yarn in which an inorganic filament yarn is used as a core yarn and the surface thereof is covered with a super fiber yarn.
- FIG. 1A is a schematic side view of a single covering yarn used for the warp according to an embodiment of the present invention
- FIG. 1B is a schematic side view of the double covering yarn
- FIG. 1C is a schematic side view of another double covering yarn. is there.
- FIG. 2 is a schematic side view of a double covering yarn in which a splicing yarn is arranged on a core yarn of the warp.
- FIG. 3 is a structural diagram of a 2/1 twill fabric according to an embodiment of the present invention.
- FIG. 4 is a structure diagram of a 2/2 twill fabric according to another embodiment of the present invention.
- FIG. 5 is a structure diagram of a flat quadruple fabric according to still another embodiment of the present invention.
- FIG. 1A is a schematic side view of a single covering yarn used for the warp according to an embodiment of the present invention
- FIG. 1B is a schematic side view of the double covering yarn
- FIG. 1C is a schematic side view of another double
- FIG. 6 is a structure diagram of a flat five-fold fabric according to still another embodiment of the present invention.
- FIG. 7 is a cross-sectional structure diagram of a flat five-fold fabric in one embodiment of the present invention.
- FIG. 8 is a schematic cross-sectional view for explaining a textile manufacturing process in one embodiment of the present invention.
- the warp is a covering yarn in which at least two twisted inorganic filament yarns are used as a core yarn, and the periphery of the core yarn is covered with the super fiber yarn.
- the reason why at least two inorganic filament yarns are used as the warp for the warp is to keep the integrity of the core yarn and the coated twisted yarn high and to keep the cut resistance high.
- the covering yarn may be a single covering yarn or a double covering yarn, but a double covering yarn is preferred. The use of double covering yarn increases the cutting force.
- the covering yarn is preferably wound with a twist coefficient K of the coated yarn with respect to the core yarn in the range of 2000 to 30000, more preferably 3000 to 26000.
- K T ⁇ D 1/2
- T Number of twists per meter of yarn length
- D Fineness of yarn (unit: decitex)
- the weft is a super fiber yarn alone. This is because the weft is subjected to a large frictional force by the warp and the heel during the production of the woven fabric, so that the covering yarn such as the warp is easily separated from the core yarn and the covering yarn.
- Super fiber is a general technical term for those skilled in the art as described in Tatsuya Motomiya et al., “Encyclopedia of Fibers”, Maruzen, March 25, 2002, page 522.
- the covering yarn of the warp is preferably a spliced yarn made of super fiber yarn arranged on the inorganic filament yarn of the core yarn.
- the twist coefficient K of the inorganic filament yarn is preferably 500 to 20000), more preferably 1000 to 15000).
- a plurality of inorganic filament yarns can be aligned or twisted.
- the inorganic filament yarn is preferably at least one selected from glass fiber yarn and carbon fiber yarn.
- glass fiber is preferred because of its high viscoelasticity and resistance to impact from the lateral direction.
- the density is 2.55 g / cm 3
- the tensile strength is 2410 MPa
- the Young's modulus is 69 GPa.
- the carbon fiber yarn is manufactured by Toray Industries, Inc., and the product name “T1000G” has a density of 1.80 g / cm 3.
- the tensile strength is 6370 MPa
- the Young's modulus is 297 GPa
- the strength is high
- the cut resistance and impact resistance are good.
- the fineness of the inorganic filament yarn is preferably 200 to 2000 decitex, and the total number of single fibers is preferably about 400 to 4000.
- the super fiber is preferably a high-strength and high-elastic fiber yarn having a strength of 18 cN / decitex or more and an elastic modulus of 380 cN / decitex or more.
- aramid (including para and meta) fibers polyarylate fibers, poly (p-phenylenebenzobisoxal) (PBO) fibers, poly (p-phenylenebenzobisthiazole) (PBZT) fibers, It is preferably at least one fiber yarn selected from polyethylene fiber, polyether ether ketone fiber and polyvinyl alcohol fiber. These fibers can also be used as a mixture. The warp and weft may be the same or different.
- aramid fibers having high heat resistance for example, trade name “Kevlar” manufactured by Toray DuPont, trade name “Twaron” manufactured by Teijin Towaron, trade name “Technola” manufactured by Teijin Ltd.
- polyarylate fibers for example, Kuraray
- PVB poly (p-phenylenebenzobisoxal)
- Zylon trade name “Zylon” manufactured by Toyobo Co., Ltd.
- the super fiber may be a multifilament yarn or a spun yarn.
- the total fineness of the multifilament yarn is preferably about 100 to 3000 decitex (single fiber fineness: 1 to 20 decitex).
- the fineness of the spun yarn is preferably about 1 to 50 in cotton count.
- a single yarn can be used, or a plurality of yarns can be aligned or twisted.
- the multifilament yarn may be a processed yarn.
- the protective fabric of the present invention is preferably a single layer fabric or a multi-layer fabric of 2 to 5 layers, but a single layer fabric is preferable from the viewpoint of production cost.
- Plain weave, twill weave, satin weave, etc. can be used as the single layer fabric.
- twill which has a beautiful woven fabric, is preferred.
- the twill may be any one of 1/2 twill, 2/1 twill, 2/2 twill and the like.
- the warp yarns on both outer sides are arranged so as to intersect between one outermost weft yarn, and the inner layer warp yarn is arranged so as to intersect between two weft yarns adjacent in the thickness direction. Is preferred.
- the multi-woven fabric may have 3 to 8 warps and 2 to 7 layers of wefts when viewed from the cross-sectional direction.
- the protective fabric of the present invention is preferably 30 N or more, more preferably 50 N or more, and particularly preferably 100 N or more in the cut test according to JIS-T8052. If it exceeds 100N, it will be evaluated as “100N or more”, but some protective fabrics of the present invention actually have an evaluation of “100N or more”. If it is 30N or more by the said cut test, both cut resistance and impact resistance are favorable.
- the protective fabric of the present invention is a single-layer fabric, preferably having a warp yarn density of 50 / 2.54 cm or more and a weft density of 35 / 2.54 cm or more. More preferably, the single-layer fabric has a warp yarn density of 50 to 80 yarns / 2.54 cm and a weft yarn density of 40 to 60 yarns / 2.54 cm. In this way, even a single layer woven fabric has a cutting test of JIS-T8052 with a value of 50 N or more.
- the protective fabric of the present invention can be used as blade-proof clothing, heat-resistant sheets, impact-resistant sheets, and the like.
- the blade-proof clothing include a blade-proof vest and a chain protector leg protector.
- the heat-resistant sheet include a pre-furnace work sheet such as a blast furnace and an aluminum die cast, a welding sheet, and the like.
- the impact resistant sheet includes, for example, a human body protection sheet that is used by being fixed to a place protecting the human body in the vehicle, a vehicle reinforcing sheet, and the like. It can be used in other places where impact resistance is required, such as vehicles, railways, ships, minesweepers, submarines, chemical plants, and oil facilities.
- FIG. 1A is a schematic side view of a single covering yarn 1 used for a warp according to an embodiment of the present invention.
- this single covering yarn two inorganic filament yarns with twists are used as core yarns 2a and 2b and covered with a covering yarn 3 made of super fibers.
- FIG. 1B is a schematic side view of the double covering yarn 4. Covered with coated yarns 3a and 3b. The covering yarns 3a and 3b have different twist directions.
- FIG. 1C is a schematic side view of another double covering yarn 5. The covered yarns 3a and 3c have the same twist direction.
- the double covering yarn 4 of FIG. 1B is preferable because the twisted structure is strong.
- FIG. 2 is a schematic side view of the double covering yarn 6 in which the splicing yarn 7 is arranged on the core yarns 2a and 2b of the warp yarn of another example.
- the splicing yarn 7 a super fiber yarn is used. In this way, the integrity of the core yarn and the covering yarn is further increased.
- FIG. 3 is a structural diagram of a 2/1 twill fabric (back weave, single layer fabric) according to an embodiment of the present invention.
- the black part is the part where the warp appears on the front, and the white part is the part hidden behind.
- the numbers 1, 2, and 3 at the bottom of the figure indicate one cycle.
- FIG. 4 is a structure diagram of a 2/2 twill fabric (single layer fabric) according to another embodiment of the present invention. One to four is one cycle.
- FIG. 5 is a structure diagram of a flat quadruple fabric according to still another embodiment of the present invention. 1 to 6 is one cycle.
- FIG. 6 is a structure diagram of a flat five-fold fabric according to still another embodiment of the present invention. This is also 1 to 6 and one cycle.
- FIG. 7 is a cross-sectional structure diagram of the flat five-fold fabric 10 shown in FIG. a1 to a6 are warps, and circles 1 to 10 are wefts.
- the outer warps a1 and a6 are arranged in a zigzag pattern alternately between the outermost wefts (circle 1, circle 2 and circle 9, circle 10), and the inner layer warps (a2 to a5) are thick.
- two wefts adjacent in the direction are alternately arranged in a zigzag shape.
- the outermost weft yarns for example, the weft yarns shown in circles 1 and 2 are structured in a structure similar to a plain structure by warps a1 and a2, but each warp a2 is adjacent to each other in the thickness direction (round). 2 and 3 and circles 1 and 4) are different from the plain structure in that they are alternately arranged.
- the inner layer is alternately arranged between two wefts adjacent in the thickness direction and one weft in the horizontal direction.
- FIG. 8 is a schematic cross-sectional view for explaining a textile manufacturing process in one embodiment of the present invention.
- the loom 11 used in the present invention is a needle rapier fabric apparatus as an example.
- This needle rapier fabric device is conventionally used for silk fabric, but when this is modified and the warps 13a and 13b are moved up and down by the healds 15a and 15b, the upper and lower ends of the warps
- the interval L is set to 80 mm to 120 mm, preferably 85 mm to 105 mm.
- the distance L between the conventional products was 55 to 75 mm.
- a large number of warp yarns warped without glue are hung on a loom 11, passed through healds 15a and 15b from a back roll 12, opened up and down, and a weft by a rapier shuttle 16 in the opening.
- Reference numeral 14 denotes a warp line.
- the weft is pushed in by the forward movement of the heel 17 to form a woven fabric structure.
- Reference numeral 18 denotes the movement of the heel 17.
- the woven fabric is wound up on a cylinder.
- Reference numeral 19 denotes a wound fabric.
- Example 1 (1) Warp As a warp, two glass filament yarns (number of constituent fibers: 800) having a fineness of 675 decitex are twisted to form a core yarn. The number of twists was 150 T / m (twist coefficient K: 5511), and the twist direction was S.
- One 295decitex polyarylate spun yarn (Kuraray's product name “Vectran”) is twisted on the surface of the core yarn in the Z direction at 910 T / m (twisting coefficient K: 15630), and another one is in the S direction.
- Example 2 The number of warps is 2760, the fabric structure is 2/2 twill (single layer fabric) shown in FIG. 4, the thickness of the fabric is 1.48 mm, the mass per unit area is 918 g / m 2 (the amount of warp used is 688 g / m 2 , the amount of weft used is 230 g) / M 2 )
- the same procedure as in Example 1 was carried out except that it was changed.
- the cut resistance test of the obtained fabric the cut force was 51.5N.
- the surface inspection test of the fabric was A. In the cutting resistance test in which two sheets of this fabric were stacked, the cutting force was 100 N or more.
- Example 3 The number of warps is 4,140, the weft fineness is 560 decitex, the fabric structure is a flat quadruple fabric shown in FIG. 5, the thickness of the fabric is 2.35 mm, the mass per unit area is 1525 g / m 2 (the amount of warp used is 1083 g / m 2 , the amount of weft used is 422 g / The same procedure as in Example 1 was conducted except that m 2 ) was used. As a result of the cut resistance test of the obtained fabric, the cut force was 100 N or more. The surface inspection test of the fabric was A.
- Example 4 4140 warps, weft fineness 560decitex, fabric structure is flat 5-layer fabric shown in FIGS. 6 and 7, fabric thickness 2.43 mm, mass per unit area 1458 g / m 2 (warp use amount 1035 g / m 2 , weft use The same procedure as in Example 1 was conducted except that the amount was 423 g / m 2 ). As a result of the cut resistance test of the obtained fabric, the cut force was 76.6 N. The surface inspection test of the fabric was A. The results of Examples 1 to 4 are summarized in Table 1.
- Example 1 This was carried out in the same manner as in Example 1 except that untwisted glass filament yarn was used as the warp.
- the surface inspection test of the obtained woven fabric was C, and the eye wind evaluation test of the woven fabric was also C. There were many fabric defects and there was a problem in terms of merchandise.
- Example 2 The same procedure as in Example 1 was performed except that the same yarn as the warp was used as the weft.
- the surface inspection test of the obtained fabric was B, and the eye wind evaluation test of the fabric was also B. There were many fabric defects and there was a problem in terms of merchandise.
- Example 3 A conventional needle rapier fabric apparatus was used as the loom, and the same operation as in Example 1 was performed except that the distance L between the upper end and the lower end of the warp was set to 75 mm.
- the surface inspection test of the obtained woven fabric was C, and the eye wind evaluation test of the woven fabric was also C. There were many fabric defects and there was a problem in terms of merchandise.
- Example 5 A 2/1 twill fabric (single layer fabric) was prepared in the same manner as in Example 1 except that the yarn density of the fabric was changed as shown in Table 2. As a result of the cut resistance test of the obtained fabric, the cut force was 52.1 N. The surface inspection test of the fabric was A. Other evaluations are shown in Table 2.
- Example 6 A 2/2 twill fabric (single layer fabric) was prepared in the same manner as in Example 2 except that the yarn density of the fabric was changed as shown in Table 2. As a result of the cut resistance test of the obtained fabric, the cut force was 76.7N. The surface inspection test of the fabric was A. Other evaluations are shown in Table 2.
- Example 6 From the results of Examples 5 to 6, it was confirmed that even in the case of a single layer woven fabric, when the yarn density of the woven fabric was increased, a woven fabric of 50 N or more was obtained by a cut test in JIS-T8052. In particular, the cutting force of Example 6 was the same as that of the flat five-fold fabric of Example 4 although it was a single-layer fabric, and the manufacturing cost could be reduced.
- the protective fabric of the present invention can be used as blade-proof clothing, heat-resistant sheets, impact-resistant sheets, and the like.
- the blade-proof clothing include a blade-proof vest and a chain protector leg protector.
- the heat-resistant sheet include a pre-furnace work sheet such as a blast furnace and an aluminum die cast, a welding sheet, and the like.
- the impact resistant sheet includes, for example, a human body protection sheet that is used by being fixed to a place protecting the human body in the vehicle, a vehicle reinforcing sheet, and the like. It can be used in other places where impact resistance is required, such as vehicles, railways, ships, minesweepers, submarines, chemical plants, and oil facilities.
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- Woven Fabrics (AREA)
Abstract
Description
しかし、最近、防刃衣類以外にも、車両用シート等、側地内に入れずにそれ自体単独で使用する用途にも適用されるようになってきた。車両用シートとして使用される場合は、織物やシートの状態で単独に使用されることがあるため、織物の場合は目風を整えることが要求されるようになってきた。
K=T×D1/2
但し、T:糸長1メートルあたりの撚り数
D:糸の繊度(単位:decitex)
K=T×D1/2
但し、T:糸長1メートルあたりの撚り数
D:糸の繊度(単位:decitex)
JIS-T8052 2005(防護服-機械特性-鋭利物に対する切創抵抗性試験方法)に従って測定した。なお、JIS-T8052 2005はISO13997と同一の試験方法である。この結果は切創力(N)として表示され、100N以上は「100N以上」と表示される。この試験は財団法人日本化学繊維検査協会東京事業所に依頼して行った。
<織物の表面検査試験>
織物表裏の全幅に亘りライト(蛍光灯)を当てて毛羽及びモケ(繊維綿の集合体)等の織物欠点を検査し、ハサミで除去した後の織物欠点数が1m2当たり平均いくつあるかにより評価した。織物欠点は目視により判断した。
A:0~2以下
B:2を超え5以下
C:5を超える
<織物の目風評価試験>
織物の表面検査評価の際、織物の目風(織り柄)を目視により判断した。
A:目風(織り柄)が整っている
B:目風(織り柄)は多少崩れているが実用的には問題ない。
C:目風(織り柄)は崩れており、商品的価値がない。
(1)経糸
経糸として、繊度675decitexのガラスフィラメント糸(構成繊維本数:800本)を2本撚糸して芯糸として。撚り数は150T/m(撚り係数K:5511)、撚り方向:Sとした。この芯糸の表面に295decitexのポリアリレート紡績糸(クラレ社製商品名“ベクトラン”)1本をZ方向に910T/m(撚り係数K:15630)で撚り掛けし、さらにもう1本をS方向に1180T/m(撚り係数K:20267)で撚り掛けし、図1Bに示すWカバリング糸を作成した。トータル繊度は2150decitexであった。
(2)緯糸
緯糸は繊度:1100decitex,単繊維本数:200本のポリアリレートフィラメント繊維糸(クラレ社製商品名“ベクトラン”,撚り数25T/M)1本を使用した。
(3)織物製造
今村機械社製、商品名“KR-Z”、ニードルレピア織物装置を用いて、経糸本数2070本、緯糸1本(緯糸はレピアシャトルにより打ち込み)、織物幅100cm、織物組織は図3に示す2/1ツイル(単層織物)、織物厚み1.25mm,単位面積当たりの質量676g/m2(経糸使用量474g/m2、緯糸使用量202g/m2)の織物を製造した。この織機は図8に示す。経糸の上端と下端の間隔Lは100mmとした。綜絖はリング付きワイヤーヘルドを使用した。なお、緯糸は織物側の上から見て右側から打ち込み、織物の左端部は絡み糸に緯糸を絡ませて耳を形成して折り返し、右端部は緯糸を端の経糸に絡ませて耳を形成した。
(4)織物の評価結果
得られた織物の切創抵抗試験の結果、切創力は31.9Nであった。織物の表面検査試験はAであった。
経糸本数2760本、織物組織は図4に示す2/2ツイル(単層織物)、織物厚み1.48mm,単位面積当たりの質量918g/m2(経糸使用量688g/m2、緯糸使用量230g/m2)とした以外は実施例1と同様に実施した。得られた織物の切創抵抗試験の結果、切創力は51.5Nであった。織物の表面検査試験はAであった。なお、この織物を2枚重ねにした切創抵抗試験では、切創力は100N以上であった。
経糸本数4140本、緯糸繊度560decitex、織物組織は図5に示す平4重織物、織物厚み2.35mm,単位面積当たりの質量1525g/m2(経糸使用量1083g/m2、緯糸使用量422g/m2)とした以外は実施例1と同様に実施した。得られた織物の切創抵抗試験の結果、切創力は100N以上であった。織物の表面検査試験はAであった。
経糸本数4140本、緯糸繊度560decitex、織物組織は図6及び図7に示す平5重織物、織物厚み2.43mm,単位面積当たりの質量1458g/m2(経糸使用量1035g/m2、緯糸使用量423g/m2)とした以外は実施例1と同様に実施した。得られた織物の切創抵抗試験の結果、切創力は76.6Nであった。織物の表面検査試験はAであった。
以上の実施例1~4の結果をまとめると表1のとおりである。
経糸として無撚りのガラスフィラメント糸を使用した以外は実施例1と同様に実施した。得られた織物の表面検査試験はC、織物の目風評価試験もCであり、織物欠点が多く商品的に問題があった。
緯糸として経糸と同じ糸を使用した以外は実施例1と同様に実施した。得られた織物の表面検査試験はB、織物の目風評価試験もBであり、織物欠点が多く商品的に問題があった。
織機として従来のニードルレピア織物装置を用い、経糸の上端と下端の間隔Lを75mmとした以外は実施例1と同様に実施した。得られた織物の表面検査試験はC、織物の目風評価試験もCであり、織物欠点が多く商品的に問題があった。
織物の糸密度を表2のように変えた以外は、実施例1と同様に2/1ツイルの織物(単層織物)を作成した。得られた織物の切創抵抗試験の結果、切創力は52.1Nであった。織物の表面検査試験はAであった。その他の評価は表2に示す。
織物の糸密度を表2のように変えた以外は、実施例2と同様に2/2ツイルの織物(単層織物)を作成した。得られた織物の切創抵抗試験の結果、切創力は76.7Nであった。織物の表面検査試験はAであった。その他の評価は表2に示す。
2a,2b 芯糸
3,3a,3b,3c 被覆糸
4,5,6 ダブルカバリング糸
7 添え糸
10 平5重織物
11 織機
12 バックロール
13a,13b 経糸
14 ワープライン
15a,15b 綜絖(ヘルド)
16 レピアシャトル
17 筬
18 筬の動き
19 巻き上げられた織物
Claims (11)
- スーパー繊維糸を含む防護織物であって、
経糸は、撚りを加えた少なくとも2本の無機フィラメント糸を芯糸とし、前記芯糸の周囲を前記スーパー繊維糸で被覆撚糸したカバリング糸であり、
緯糸は、前記スーパー繊維糸であることを特徴とする防護織物。 - 前記無機フィラメント糸の撚り係数Kは500~20000である請求項1に記載の防護織物。
K=T×D1/2
但し、T:糸長1メートルあたりの撚り数
D:糸の繊度(単位:decitex) - 前記カバリング糸は、Wカバリング糸であり、かつ芯糸に対する被覆糸の撚り係数Kは2000~30000である請求項1又は2に記載の防護織物。
但し、K=T×D1/2
但し、T:糸長1メートルあたりの撚り数
D:糸の繊度(単位:decitex) - 前記無機フィラメント糸は、ガラス繊維糸である請求項1~3のいずれかに記載の防護織物。
- 前記スーパー繊維は、強度:18cN/decitex以上、弾性率:380cN/decitex以上の高強度かつ高弾性繊維糸である請求項1~4のいずれかに記載の防護織物。
- 前記スーパー繊維糸は、アラミド繊維、ポリアリレート繊維、ポリ(p-フェニレンベンゾビスオキザール)(PBO)繊維、ポリ(p-フェニレンベンゾビスチアゾール)(PBZT)繊維、ポリエチレン繊維、ポリエーテルエーテルケトン繊維及びポリビニルアルコール繊維から選ばれる少なくとも一つの繊維糸である請求項1~5のいずれかに記載の防護織物。
- 前記防護織物は、単層織物及び2~5層の多重織物から選ばれる少なくとも一つである請求項1~6のいずれかに記載の防護織物。
- 前記防護織物は、JIS-T8052における切創試験で30N以上である請求項1~7のいずれかに記載の防護織物。
- 前記防護織物は単層織物であり、JIS-T8052における切創試験で50N以上である請求項1~8のいずれかに記載の防護織物。
- 前記防護織物は単層織物であり、たて糸密度は50本/2.54cm以上、よこ糸密度は35本/2.54cm以上である請求項1~9のいずれかに記載の防護織物。
- 請求項1~10のいずれかに記載の防護織物の製造方法であって、
ヘルドにより経糸を上下動させるに際し、経糸の上端と下端の間隔を80mm以上120mm以下とすることを特徴とする防護織物の製造方法。
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