WO2020213416A1 - 複合糸織物及びそれを用いる繊維強化樹脂成形品の製造方法 - Google Patents
複合糸織物及びそれを用いる繊維強化樹脂成形品の製造方法 Download PDFInfo
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- WO2020213416A1 WO2020213416A1 PCT/JP2020/015184 JP2020015184W WO2020213416A1 WO 2020213416 A1 WO2020213416 A1 WO 2020213416A1 JP 2020015184 W JP2020015184 W JP 2020015184W WO 2020213416 A1 WO2020213416 A1 WO 2020213416A1
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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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- 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
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/465—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating by melting a solid material, e.g. sheets, powders of 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
- D02G3/04—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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
- D02G3/402—Yarns in which fibres are united by adhesives; Impregnated yarns or threads the adhesive being one component of the yarn, i.e. thermoplastic yarn
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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
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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
- D03D15/20—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
- D03D15/283—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 synthetic polymer-based, e.g. polyamide or polyester fibres
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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
- D03D15/573—Tensile strength
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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
- D03D15/587—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 adhesive; fusible
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- 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
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
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- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0809—Fabrics
- B29K2105/0845—Woven fabrics
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- 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
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—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
- D10B2101/02—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
- 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
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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
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
- D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
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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
- D10B2505/00—Industrial
- D10B2505/02—Reinforcing materials; Prepregs
Definitions
- the present invention relates to a composite yarn woven fabric and a method for manufacturing a fiber reinforced resin molded product using the composite yarn woven fabric.
- thermoplastic prepreg an inorganic fiber woven fabric and a thermoplastic resin film are laminated and heated to melt the thermoplastic resin forming the thermoplastic resin film, and between the inorganic fibers constituting the inorganic fiber woven fabric. Is impregnated with.
- thermoplastic resin has a high viscosity when melted
- thermoplastic prepreg has a problem that the melted thermoplastic resin is difficult to impregnate between the inorganic fibers and voids (voids) are likely to be generated.
- thermoplastic resin yarn forming the composite yarn is melted by heating and molding under pressure, and the thermoplastic resin is impregnated into the inorganic multifilament yarn and molded at the same time. Therefore, it is expected that the fiber-reinforced resin molded product can be obtained in one action, and that the fiber-reinforced resin molded product can obtain better shapeability than when the thermoplastic prepreg is used.
- the composite yarn woven fabric for example, a composite yarn obtained by twisting an E glass fiber yarn (glass fiber yarn having an E glass composition) as an inorganic multifilament yarn and a polyamide fiber yarn as a thermoplastic resin yarn is used. It is known (see, for example, Patent Document 1).
- the composite yarn woven fabric described in Patent Document 1 is used for a nonflammable fabric that is flexible, soft to the touch, and has excellent nonflammability and abrasion resistance, and is immediately used as a material for a fiber reinforced resin molded product having high strength. Has the inconvenience of being difficult.
- An object of the present invention is to provide a composite yarn woven fabric that can be suitably used as a material for a fiber reinforced resin molded product having high strength by eliminating such inconvenience, and a method for producing a fiber reinforced resin molded product using the same. And.
- the composite yarn woven fabric of the present invention is woven by using a composite yarn obtained by twisting an inorganic multifilament yarn and a thermoplastic resin yarn as at least one of a warp yarn and a weft yarn.
- the inorganic multifilament yarn has a mass in the range of 10 to 65 tex
- the monofilament constituting the inorganic multifilament yarn has a fiber diameter in the range of 6.6 to 9.5 ⁇ m, and the heat.
- the melt flow rate (hereinafter, may be referred to as MFR) of the thermoplastic resin constituting the plastic resin yarn is 34 to 100 g / 10 minutes, and the mass of the inorganic multifilament yarn with respect to the total mass of the composite yarn.
- the ratio of 40 to 90 It is characterized in that it is in the range of mass%.
- the composite yarn woven fabric of the present invention can obtain excellent weavability by weaving using a composite yarn obtained by twisting the inorganic multifilament yarn and the thermoplastic resin yarn.
- the composite yarn may be used for at least one of the warp yarn and the weft yarn, but it may be used for both the warp yarn and the weft yarn.
- the inorganic multifilament yarn has a mass in the range of 10 to 65 tex, and the monofilament constituting the inorganic multifilament yarn has a fiber diameter in the range of 6.6 to 9.5 ⁇ m.
- the melt flow rate of the thermoplastic resin constituting the thermoplastic resin yarn is in the range of 34 to 100 g / 10 minutes, and the ratio of the mass of the inorganic multifilament yarn to the total mass of the composite yarn is 40 to 90% by mass.
- the mass of the inorganic multifilament yarn is out of the range, or the fiber diameter of the monofilament constituting the inorganic multifilament yarn is out of the range, or the MFR of the resin constituting the thermoplastic resin yarn.
- the thermoplastic resin is sufficiently impregnated with the inorganic multifilament yarn. It is not possible to obtain sufficient moldability and shapeability and high fiber-reinforced resin molded product strength at the same time.
- the high strength of the fiber-reinforced resin molded product means that the molded product has a flexural modulus of 20 GPa or more, more preferably 22 GPa or more.
- glass fiber yarn can be used as the inorganic multifilament yarn.
- a polyamide resin yarn can be used as the thermoplastic resin yarn.
- the method for producing a fiber-reinforced resin molded product of the present invention includes a molding step of heating and pressurizing one sheet of the composite yarn woven fabric or a laminate obtained by laminating a plurality of the composite yarn woven fabrics.
- a molded product can be obtained by heating and pressurizing a composite yarn woven fabric having excellent moldability and shapeability, and it is possible to improve the efficiency of molded product production. it can.
- the composite yarn woven fabric of the present embodiment is obtained by weaving a composite yarn obtained by twisting an inorganic multifilament yarn and a thermoplastic resin yarn as at least one of a warp yarn and a weft yarn.
- glass fiber yarn and carbon fiber yarn can be used as the inorganic multifilament yarn.
- glass fiber yarn and carbon fiber yarn can be used as the inorganic multifilament yarn.
- the E glass composition has SiO 2 in the range of 52.0 to 56.0% by mass, B 2 O 3 in the range of 5.0 to 10.0% by mass, and 12.0 with respect to the total amount of glass fibers.
- Al 2 O 3 in the range of 16.0% by mass, CaO and MgO in the range of 20 to 25% by mass in total, and Li 2 O, K 2 O and Li 2 O in the range of 0 to 1.0% by mass in total. It is a composition containing Na 2 O.
- the glass fiber yarn has a high-strength and high-elasticity glass composition (64.0 to 66 with respect to the total amount of glass fibers).
- the glass fiber yarn has a low dielectric constant, low dielectric constant contact glass composition (range of 48.0 to 62.0% by mass with respect to the total amount of glass fibers).
- SiO 2 , B 2 O 3 in the range of 17.0 to 26.0 mass%, Al 2 O 3 in the range of 9.0 to 18.0 mass%, and 0.1 to 9.0 mass%.
- CaO in the range of 0 to 6.0% by mass, Na 2 O, K 2 O and Li 2 O in the range of 0.05 to 0.5% by mass in total, and 0 to 5.
- each component constituting the glass fiber yarn should be measured by using an ICP emission spectroscopic analyzer for B, which is a light element, and a wavelength dispersive fluorescent X-ray analyzer for other elements. Can be done.
- a composite yarn containing a glass fiber yarn is heated in a muffle furnace at 300 to 600 ° C. for about 2 to 24 hours to remove organic substances.
- the glass fiber yarn is placed in a platinum crucible, kept at a temperature of 1550 ° C. for 6 hours in an electric furnace, and melted with stirring to obtain a homogeneous molten glass.
- the obtained molten glass is poured onto a carbon plate to prepare a glass cullet, which is then pulverized and pulverized.
- Li which is a light element, is quantitatively analyzed using an ICP emission spectroscopic analyzer after the glass powder is thermally decomposed with an acid.
- the inorganic multifilament yarn has a mass in the range of 10 to 65 tex.
- the inorganic multifilament yarn preferably has a mass in the range of 15 to 60 tex, and has a mass in the range of 20 to 55 tex. It is more preferable to have a mass in the range of 23 to 50 tex, particularly preferably to have a mass in the range of 26 to 45 tex, and most preferably to have a mass in the range of 30 to 40 tex.
- the mass of the inorganic multifilament yarn can be measured in accordance with JIS R 3420: 2013.
- the monofilament constituting the inorganic multifilament yarn has a fiber diameter in the range of 6.6 to 9.5 ⁇ m.
- the monofilament preferably has a fiber diameter in the range of 7.1 to 9.4 ⁇ m, and preferably has a fiber diameter of 7.6 to 9. It is more preferable to have a fiber diameter in the range of .3 ⁇ m, particularly preferably to have a fiber diameter in the range of 8.1 to 9.2 ⁇ m, and most preferably to have a fiber diameter in the range of 8.6 to 9.2 ⁇ m. preferable.
- the fiber diameter of the monofilament constituting the inorganic multifilament yarn can be measured in accordance with JIS R 3420: 2013.
- the inorganic multifilament yarn has, for example, 40 to 380 monofilaments having a fiber diameter in the above range, and has a mass in the above range.
- the inorganic multifilament yarn for example, 50 to 300 monofilaments having a fiber diameter in the above range are focused. It is preferably provided with a mass in the above range, more preferably 100 to 280 focused and having a mass in the above range, and even more preferably 150 to 250 focused and provided with a mass in the above range, 180. It is particularly preferable that ⁇ 220 fibers are focused and have a mass in the above range.
- the inorganic multifilament yarn may be bulky processed.
- Bulky processing is one of the fiber processing methods, which is also called bulk processing or textured processing.
- the glass fiber yarn is supplied into the high-speed air jet nozzle at a constant drawing speed, and the glass fiber yarn is disturbed by air at a winding speed slower than the drawing speed. A flow is applied to cause the glass fiber yarn to open and bulky processing is performed.
- thermoplastic resin yarn for example, a polyamide resin yarn, a polyphenylene sulfide resin yarn, a polybutylene terephthalate resin yarn, a polycarbonate resin yarn, or the like can be used.
- Polyamide resin yarn is preferably used as the thermoplastic resin yarn because it is possible to achieve both excellent strength (for example, flexural modulus) of the fiber-reinforced resin molded product and impregnation property into the excellent inorganic multifilament yarn.
- polyamide resin examples include polyamide 4, polyamide 6, polyamide 11, polyamide 12, polyamide 46, polyamide 66, polyamide 610, polyamide 612, polyhexamethylene terephthalamide (polyamide 6T), and polyhexamethylene isophthalamide (polyamide 6T). 6I), polymethoxylylen adipamide, polymethoxylylend decamide, polyamide 9T, polyamide 9MT and the like can be used.
- polyamide 6 hereinafter, may be referred to as PA6 is preferable because the strength of the fiber-reinforced resin molded product and the impregnation property into the inorganic multifilament yarn are excellent in a good balance.
- the melt flow rate of the thermoplastic resin constituting the thermoplastic resin yarn is in the range of 34 to 100 g / 10 minutes.
- the melt flow rate of the thermoplastic resin is preferably in the range of 35 to 98 g / 10 minutes, preferably 36 to 97 g / 10 minutes. It is more preferably in the range, more preferably in the range of 37 to 95 g / 10 minutes, particularly preferably in the range of 38 to 92 g / 10 minutes, and preferably in the range of 39 to 90 g / 10 minutes. It is particularly preferable, and most preferably it is in the range of 39 to 85 g / 10 minutes.
- the melt flow rate of the thermoplastic resin can be measured under temperature conditions and load conditions specified according to the type of the thermoplastic resin in accordance with ISO 1133. For example, when the thermoplastic resin is polyamide 6, the melt flow rate can be measured under the conditions of 230 ° C. and a load of 2160 g. When the thermoplastic resin is a polyphenylene sulfide resin, the melt flow rate can be measured under the conditions of 316 ° C. and a load of 5000 g.
- the thermoplastic resin constituting the thermoplastic resin yarn preferably has a melting point in the range of 160 to 280 ° C. from the viewpoint of ensuring ease of molding, and is preferably 210 to 240. It is more preferable to have a melting point in the range of ° C.
- the melting point of the resin can be measured according to JIS K7121.
- the composite yarn woven fabric of the present embodiment is pressed from the inorganic multifilament yarn at a temperature condition 20 ° C. or higher higher than the melting point of the thermoplastic resin constituting the thermoplastic resin yarn, for example, at a high pressure of 4 MPa or higher. It is possible to move the thermoplastic resin and recover the thermoplastic resin. Further, with respect to the thermoplastic resin recovered in this manner, it is possible to specify the type of the thermoplastic resin by using FT-IR and measure the MFR and the melting point by the above-mentioned method.
- the ratio of the mass of the inorganic multifilament yarn to the total mass of the composite yarn is in the range of 40 to 90% by mass. From the viewpoint of ensuring the excellent strength (for example, flexural modulus) of the fiber-reinforced resin molded product, the ratio of the mass of the inorganic multifilament yarn to the total mass of the composite yarn is 50 to 80% by mass. It is preferably 55 to 70% by mass, more preferably 55 to 70% by mass.
- the ratio of the mass of the inorganic multifilament yarn to the total mass of the composite yarn is determined after measuring the mass (M1) of the composite yarn and then heating the composite yarn at 625 ° C. for 1 hour to remove the thermoplastic resin.
- the mass (M2) of the above can be measured and calculated by M2 / M1.
- the composite yarn can be obtained by twisting 1 to 3 of the thermoplastic resin yarns with respect to 1 to 3 of the inorganic multifilament yarns by a known twisting machine. it can.
- the number of twists of the composite yarn is, for example, 1.3 to 6.3 times / 25 mm.
- the number of twists of the composite yarn is preferably 2.3 to 5.3 times / 25 mm, and is 2.8 to 4.8. More preferably, the times / 25 mm.
- the twisting direction is not particularly limited.
- the composite yarn is used for at least one of the warp yarn and the weft yarn, for example, the weft yarn, and for example, 18 to 50 warp yarns / 25 mm and 18 to 40 weft yarns. It can be obtained by weaving with a weaving density of / 25 mm. Examples of the weaving structure of the composite yarn woven fabric include plain weave, twill weave, satin weave, and weave weave.
- the method for producing the fiber-reinforced resin molded product of the present embodiment includes a molding step of heating and pressurizing one sheet of the composite yarn woven fabric or a laminate obtained by laminating a plurality of the composite yarn woven fabrics.
- the heating conditions include a temperature 20 to 40 ° C. higher than the melting point of the resin constituting the thermoplastic resin yarn in the composite yarn woven fabric.
- the pressurizing condition may be a pressure of 0.5 to 5.0 MPa for 1 to 10 minutes.
- the fiber-reinforced resin molded product produced by the method for producing a fiber-reinforced resin molded product of the present embodiment includes, for example, electrical and electronic parts, automobile parts, industrial parts, fibers, films, sheets, and various other shapes and uses. It can be effectively used in the production of molded products.
- Examples of electrical and electronic components include SMT connectors such as FPC connectors, BtoB connectors, card connectors, and coaxial connectors; SMT switches, SMT relays, SMT bobbins, memory card connectors, CPU sockets, LED reflectors, and camera module base barrel holders. , Cable wire coating, optical fiber parts, muffling gear for AV / OA equipment, automatic flashing equipment parts, mobile phone parts, heat-resistant gear for copying machines, end caps, commutators, commercial outlets, command switches, noise filters, magnet switches, Examples thereof include a solar cell board, a liquid crystal board, an LED mounting board, a flexible printed wiring board, and a flexible flat cable.
- Automotive parts include cooling parts such as thermostat housings, radiator tanks, radiator hoses, water outlets, water pump housings, rear joints; intercooler tanks, intercooler cases, turboduct pipes, EGR cooler cases, resonators, throttle bodies, intake manifolds. , Intake and exhaust system parts such as tail pipes; Fuel system parts such as fuel delivery pipes, gasoline tanks, quick connectors, canisters, pump modules, fuel pipes, oil strainers, lock nuts, sealants; mount brackets, torque rods, cylinder head covers Structural parts such as bearing retainers, gear tensioners, headlamp actuator gears, sliding door rollers, clutch peripheral parts, etc.
- Brake system parts such as air brake tubes; Wire harness connectors, motor parts, sensors in the engine room , ABS bobbin, combination switch, in-vehicle electrical components such as in-vehicle switch; sliding door damper, door mirror stay, door mirror bracket, inner mirror stay, roof rail, engine mount bracket, air cleaner in-rate pipe, door checker, plastic chain, emblem, Interior and exterior parts such as clips, breaker covers, cup holders, airbags, fenders, spoilers, radiator supports, radiator grills, louvers, air scoops, hood bulges, back doors, fuel sender modules, etc. can be mentioned.
- Industrial parts include, for example, gas pipes, oil field mining pipes, hoses, anti-termite cables (communication cables, path cables, etc.), paint parts for powder coated products (inner coating of water pipes), submarine oil field pipes, pressure resistant hoses, hydraulic pressure. Tubes, paint tubes, fuel pumps, separators, supercharge ducts, butterfly valves, conveyor roller bearings, railroad pillow spring holders, outboard engine covers, generator engine covers, irrigation valves, large switches ( Switches), monofilaments (extruded threads) such as fishing nets, and the like.
- fibers include airbag base fabrics, heat-resistant filters, reinforcing fibers, brush bristle, fishing threads, tire cords, artificial turf, carpets, seat fiber, and the like.
- Films and sheets include heat-resistant adhesive tapes such as heat-resistant masking tapes and industrial tapes; materials for cassette tapes, magnetic tapes for data storage for digital data storage, magnetic tapes such as video tapes; retort food pouches, confectionery Food packaging materials such as individual packaging and packaging of processed meat products; electronic parts packaging materials such as packaging for semiconductor packaging and the like.
- the fiber-reinforced resin molded product of the present embodiment includes bumpers, back doors, fenders, seat frames, window frames, suspensions, body panels, oil pans, battery cases, electronic device housings, antenna housings, electronic boards, and housing. Walls, building pillars, plastic magnets, shoe soles, tennis rackets, ski boards, bond magnets, eyeglass frames, binding bands, tag pins, crescents for sashes, power tool motor fans, motor stator insulation blocks, lawn mowers Engine cover, lawn mower fuel tank, ultra-small slide switch, DIP switch, switch housing, lamp socket, connector shell, IC socket, bobbin cover, relay box, condenser case, small motor case, gear, cam, dancing pulley , Spacer, insulator, fastener, caster, wire clip, bicycle wheel, terminal block, starter insulation, fuse box, air cleaner case, air conditioner fan, terminal housing, wheel cover, bearing tener, water pipe impeller, clutch It can also be suitably used for release bearing hubs, heat-resistant containers,
- Example 1 In this embodiment, first, one E glass fiber yarn having a yarn mass of 33.7 tex and 200 monofilaments having a fiber diameter of 9 ⁇ m and a polyamide resin having an MFR of 40 g / 10 minutes and a melting point of 220 ° C. (PA6; Ube Kosan Co., Ltd.) A polyamide resin yarn having a yarn mass of 23.3 tex and made of a company, trade name: UBE1013B) was twisted together with a twisting machine to obtain a composite yarn twisted 3.8 times / 25 mm. The ratio of the mass of the E glass fiber yarn to the total mass of the composite yarn was 59% by mass.
- PA6 Ube Kosan Co., Ltd.
- the E glass fiber yarn was used as the warp yarn, and the composite yarn obtained in this example was used as the weft yarn to weave with a warp yarn weaving density of 42 yarns / 25 mm and a weft yarn weave density of 32 yarns / 25 mm.
- a plain weave composite yarn fabric was obtained.
- the composite yarn woven fabric obtained in this example was heated to 250 ° C. and pressed for 1 minute under a pressure of 3 MPa to produce a plate-shaped molded product, and the moldability was evaluated.
- the flexural modulus of the molded product was measured for the obtained plate-shaped molded product based on ISO178. The results are shown in Table 1.
- Example 2 In this example, Example 1 is used except that one polyamide resin thread having a yarn mass of 23.3 tex made of a polyamide resin (PA6; manufactured by DSM, trade name: Novamid 1007J) having an MFR of 84 g / 10 minutes and a melting point of 225 ° C. is used. To obtain a composite yarn woven fabric.
- PA6 polyamide resin
- Novamid 1007J a polyamide resin having an MFR of 84 g / 10 minutes and a melting point of 225 ° C.
- the composite yarn woven fabric obtained in this example was heated to 250 ° C. and pressed under a pressure of 3 MPa for 1 minute to produce a plate-shaped molded product, which was made exactly the same as in Example 1 and had moldability.
- Example 3 In this example, except that one PPS resin thread having a yarn mass of 23.3 tex made of polyphenylene sulfide (PPS) resin (manufactured by Toray Industries, Inc., trade name: Trerina E2080) having an MFR of 90 g / 10 minutes and a melting point of 280 ° C. was used. A composite yarn woven fabric was obtained in exactly the same manner as in Example 1.
- PPS polyphenylene sulfide
- the composite yarn woven fabric obtained in this example was heated to 320 ° C. and pressed under a pressure of 3 MPa for 1 minute to produce a plate-shaped molded product, which was made exactly the same as in Example 1 and had moldability.
- Example 4 High-strength, high-elasticity glass composition with a thread mass of 33.7 tex, in which 200 monofilaments with a fiber diameter of 9 ⁇ m are focused (65 mass% SiO 2 and 25 mass% Al 2 O 3 with respect to the total amount of glass fibers).
- a composite yarn woven fabric was obtained in exactly the same manner as in Example 1 except that one glass fiber yarn having a glass composition of 10% by mass of MgO was used.
- the composite yarn woven fabric obtained in this example was heated to 250 ° C. and pressed under a pressure of 3 MPa for 1 minute to produce a plate-shaped molded product, which was made exactly the same as in Example 1 and had moldability.
- the mass of the inorganic multifilament yarn is in the range of 10 to 65 tex
- the fiber diameter of the monofilament constituting the inorganic multifilament yarn is in the range of 6.6 to 9.5 ⁇ m
- the thermoplastic resin yarn is in which the melt flow rate of the thermoplastic resin constituting the above is in the range of 34 to 100 g / 10 minutes
- the ratio of the mass of the inorganic multifilament yarn to the total mass of the composite yarn is in the range of 40 to 90% by mass. It is clear that according to the composite yarn fabrics of to 4 to 4, excellent moldability (formability) can be obtained, and high fiber-reinforced molded product strength (molded product bending strength of 20 GPa or more) can be obtained. is there.
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Abstract
Description
質量%の範囲であることを特徴とする。
本実施例では、まず、繊維径9μmのモノフィラメントが200本集束された、糸質量33.7texのEガラス繊維糸1本と、MFR40g/10分、融点220℃のポリアミド樹脂(PA6;宇部興産株式会社製、商品名:UBE1013B)からなる糸質量23.3texのポリアミド樹脂糸1本とを撚糸機で合撚して、3.8回/25mmの撚りがかけられた複合糸を得た。前記複合糸の全質量に対する前記Eガラス繊維糸の質量の割合は59質量%であった。
本実施例では、MFR84g/10分、融点225℃のポリアミド樹脂(PA6;DSM社製、商品名:ノバミッド1007J)からなる糸質量23.3texのポリアミド樹脂糸1本を用いた以外は実施例1と全く同一にして、複合糸織物を得た。
本実施例では、MFR90g/10分、融点280℃のポリフェニレンサルファイド(PPS)樹脂(東レ株式会社製、商品名:トレリナE2080)からなる糸質量23.3texのPPS樹脂糸1本を用いた以外は実施例1と全く同一にして、複合糸織物を得た。
繊維径9μmのモノフィラメントが200本集束された、糸質量33.7texの高強度高弾性率ガラス組成(ガラス繊維の全量に対して、65質量%のSiO2と、25質量%のAl2O3と、10質量%のMgOとからなるガラス組成)を備えるガラス繊維糸1本を用いた以外は実施例1と全く同一にして、複合糸織物を得た。
本比較例では、繊維径6.5μmのモノフィラメントが800本集束された糸質量67.5texのEガラス繊維糸1本と、MFR40g/10分、融点220℃のポリアミド樹脂(PA6;宇部興産株式会社製、商品名:UBE1013B)からなる糸質量23.3texのポリアミド樹脂糸2本とを撚糸機で合撚して、3.8回/25mmの撚りがかけられた複合糸を得た以外は、実施例1と全く同一にして複合糸織物を得た。
本比較例では、繊維径9μmのモノフィラメントが200本集束された、糸質量33.7texのEガラス繊維糸1本に代えて、繊維径6.5μmのモノフィラメントが400本集束された、糸質量33.7texのEガラス繊維糸1本を用いた以外は、実施例1と全く同一にして、複合糸織物を得た。
本比較例では、繊維径9μmのモノフィラメントが400本集束された糸質量69.1texのEガラス繊維糸1本と、MFR40g/10分、融点220℃のポリアミド樹脂(PA6;宇部興産株式会社製、商品名:UBE1013B)からなる糸質量23.3texのポリアミド樹脂糸2本とを撚糸機で合撚して、3.8回/25mmの撚りがかけられた複合糸を得た以外は、実施例1と全く同一にして複合糸織物を得た。
本比較例では、MFR40g/10分、融点220℃のポリアミド樹脂からなる糸質量23.3texのポリアミド樹脂糸1本に代えて、MFR33g/10分、融点220℃のポリアミド樹脂(PA6;東レ株式会社製、商品名:アミランCM1017)からなる糸質量23.3texのポリアミド樹脂糸1本を用いた以外は実施例1と全く同一にして、複合糸織物を得た。
本比較例では、MFR40g/10分、融点220℃のポリアミド樹脂からなる糸質量23.3texのポリアミド樹脂糸1本に代えて、MFR110g/10分、融点220℃のポリアミド樹脂(PA6;東洋紡績株式会社製、商品名:T-840SF)からなる糸質量23.3texのポリアミド樹脂糸1本を用いた以外は実施例1と全く同一にして、複合糸織物を得た。
Claims (4)
- 無機マルチフィラメント糸と熱可塑性樹脂糸とを合撚してなる複合糸をタテ糸又はヨコ糸の少なくとも一方に用いて製織してなる複合糸織物であって、
前記無機マルチフィラメント糸が10~65texの範囲の質量を備え、
前記無機マルチフィラメント糸を構成するモノフィラメントが6.6~9.5μmの範囲の繊維径を備え、
前記熱可塑性樹脂糸を構成する熱可塑性樹脂のメルトフローレートが、34~100g/10分の範囲であり、
前記複合糸の全質量に対する前記無機マルチフィラメント糸の質量の割合が40~90質量%の範囲であることを特徴とする複合糸織物。 - 請求項1記載の複合糸織物において、前記無機マルチフィラメント糸は、ガラス繊維糸であることを特徴とする複合糸織物。
- 請求項1又は2に記載の複合糸織物において、前記熱可塑性樹脂糸が、ポリアミド樹脂糸であることを特徴とする複合糸織物。
- 請求項1~3のいずれか1項に記載の1枚の前記複合糸織物、又は、複数枚の前記複合糸織物を積層した積層物を加熱加圧する成形工程を含むことを特徴とする、繊維強化樹脂成形品の製造方法。
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| US17/420,548 US12104294B2 (en) | 2019-04-17 | 2020-04-02 | Composite yarn fabric and method for producing fiber-reinforced resin molded article using same |
| CN202080008275.3A CN113272109A (zh) | 2019-04-17 | 2020-04-02 | 复合纱织物及使用该复合纱织物的纤维强化树脂成型品的制造方法 |
| EP20791585.1A EP3868533B1 (en) | 2019-04-17 | 2020-04-02 | Composite yarn fabric and method for producing fiber-reinforced resin molded article using same |
| JP2020542666A JP6813139B1 (ja) | 2019-04-17 | 2020-04-02 | 複合糸織物及びそれを用いる繊維強化樹脂成形品の製造方法 |
| KR1020217032029A KR20210153049A (ko) | 2019-04-17 | 2020-04-02 | 복합사 직물 및 이를 이용하는 섬유 강화 수지 성형품의 제조 방법 |
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| JP6813139B1 (ja) | 2021-01-13 |
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| JPWO2020213416A1 (ja) | 2021-04-30 |
| KR20210153049A (ko) | 2021-12-16 |
| CN113272109A (zh) | 2021-08-17 |
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| US20220119993A1 (en) | 2022-04-21 |
| EP3868533B1 (en) | 2025-10-01 |
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