WO2019093277A1 - 繊維強化熱可塑性樹脂フィラメントおよびその成形品 - Google Patents
繊維強化熱可塑性樹脂フィラメントおよびその成形品 Download PDFInfo
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- WO2019093277A1 WO2019093277A1 PCT/JP2018/041029 JP2018041029W WO2019093277A1 WO 2019093277 A1 WO2019093277 A1 WO 2019093277A1 JP 2018041029 W JP2018041029 W JP 2018041029W WO 2019093277 A1 WO2019093277 A1 WO 2019093277A1
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- thermoplastic resin
- fiber
- reinforced thermoplastic
- resin filament
- filament
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
- D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/28—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/042—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/59—Polyamides; Polyimides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/63—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing sulfur in the main chain, e.g. polysulfones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
- B29B15/125—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex by dipping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2365/00—Characterised by the use of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/04—Polysulfides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
Definitions
- the present invention relates to a fiber reinforced thermoplastic resin filament and a molded article thereof.
- the fiber-reinforced thermoplastic resin base material formed by impregnating a continuous reinforcing fiber with a thermoplastic resin is excellent in specific strength and specific rigidity, has a high weight saving effect, and also has high heat resistance and chemical resistance, so it can be used in aircraft, It is preferably used in various applications such as transportation equipment such as automobiles, sports, electric and electronic parts.
- transportation equipment such as automobiles, sports, electric and electronic parts.
- the substitution of metal parts to resin parts and the miniaturization and modularization of parts are progressing mainly in aircraft and automobile applications, and therefore, it has excellent formability and processability. Material development with excellent mechanical properties is required.
- thermoplastic resin substrate As a method of forming a fiber-reinforced thermoplastic resin substrate, a forming method of melt-laminating a thermoplastic resin such as a 3D printing method has attracted attention. Development of a method of producing a shape while melting and laminating a thermoplastic resin is advantageous in terms of cost and the like, and development is in progress in each field (for example, Patent Document 1).
- the mainstream of the fiber-reinforced thermoplastic resin base material applied to such a molding method is a method of extruding reinforcing fibers cut into short fibers together with a thermoplastic resin and producing a fiber-reinforced thermoplastic resin strand.
- Patent Document 2 As a method of exhibiting a high reinforcing effect, as shown in Patent Document 2, a method of applying a continuous fiber-reinforced thermoplastic resin base material has been studied.
- Patent Document 2 since many voids are contained inside at the stage before molding, it is necessary to remove the voids at the time of molding, and there are problems in the quality and productivity of the molded product.
- An object of the present invention is to provide a fiber-reinforced thermoplastic resin filament excellent in the quality such as the dispersibility of voids and reinforcing fibers and excellent in the handleability at the time of molding in view of the background of the prior art.
- a fiber reinforced thermoplastic resin filament comprising a continuous reinforcing fiber impregnated with a thermoplastic resin, wherein the fiber reinforced thermoplastic resin filament is characterized by satisfying all of the following conditions (a) to (c): .
- the volume fraction of reinforcing fibers in the fiber-reinforced thermoplastic resin filament is 30 to 80%, and the volume fraction of thermoplastic resin is 70 to 20%.
- the thickness is 0.01 to 3 mm.
- the filament length is 1 m or more.
- the fiber-reinforced thermoplastic resin filament according to [1] which has a void fraction of 5% or less.
- thermoplastic resin filament according to [1] or [2], which has a flexural rigidity of 1 N ⁇ m 2 or less.
- At least the thermoplastic resin is selected from polyphenylene sulfide resin (PPS), polyarylene ether ketone resin (PAEK), polyetherimide resin (PEI), polyethersulfone resin (PES), liquid crystal polymer resin (LCP)
- PPS polyphenylene sulfide resin
- PAEK polyarylene ether ketone resin
- PEI polyetherimide resin
- PES polyethersulfone resin
- LCP liquid crystal polymer resin
- thermoplastic resin filament according to any one of [1] to [8], wherein the outermost layer is coated with a thermoplastic resin layer.
- thermoplastic resin layer [10] A molded article comprising the fiber reinforced thermoplastic resin filament according to any one of [1] to [9].
- a fiber-reinforced thermoplastic resin filament in which a continuous reinforcing fiber is impregnated with a thermoplastic resin is thin and has a filament length of a certain length or more, so it is excellent in handleability at the time of molding, and contains fibers.
- a high reinforcing effect can be expected because the amount is high and the quality such as the uniformity of voids and reinforcing fibers is excellent.
- the fiber reinforced thermoplastic resin filament of the embodiment of the present invention is obtained by impregnating a continuous reinforcing fiber with a thermoplastic resin.
- continuous reinforcing fiber refers to a fiber-reinforced thermoplastic resin in which the reinforcing fiber is substantially free of breaks. Ideally, it is ideal that all single yarns in the filament are not broken, but if 80% or more of the number of single yarns are not broken, it can be said that the state is "no break".
- Examples of the form and arrangement of reinforcing fibers in the embodiment of the present invention include ones aligned in one direction, a braid, a tow, and the like. Among them, it is preferable that reinforcing fibers be arranged in one direction, since mechanical characteristics in a specific direction can be efficiently enhanced.
- the type of reinforcing fiber is not particularly limited, and carbon fiber, metal fiber, organic fiber and inorganic fiber are exemplified. Two or more of these may be used.
- carbon fibers examples include PAN-based carbon fibers made of polyacrylonitrile (PAN) fibers, pitch-based carbon fibers made of petroleum tar and petroleum pitch, and cellulose-based carbon made of viscose rayon and cellulose acetate. Fibers, vapor grown carbon fibers made from hydrocarbons and the like as raw materials, graphitized fibers thereof and the like can be mentioned. Among these carbon fibers, PAN-based carbon fiber is preferably used in that it is excellent in the balance between strength and elastic modulus.
- PAN-based carbon fibers made of polyacrylonitrile (PAN) fibers
- pitch-based carbon fibers made of petroleum tar and petroleum pitch
- cellulose-based carbon made of viscose rayon and cellulose acetate. Fibers, vapor grown carbon fibers made from hydrocarbons and the like as raw materials, graphitized fibers thereof and the like can be mentioned.
- PAN-based carbon fiber is preferably used in that it is excellent in the balance between strength and elastic modulus.
- the organic fiber examples include fibers made of an organic material such as aramid, polybenzoxazole (PBO), polyphenylene sulfide, polyester, polyamide, polyethylene and the like.
- aramid fibers include para-aramid fibers excellent in strength and elastic modulus, and meta-aramid fibers excellent in flame retardancy and long-term heat resistance.
- para-aramid fibers include poly-p-phenylene terephthalamide fibers, copoly-p-phenylene-3,4'-oxydiphenylene terephthalamide fibers, etc.
- meta-aramid fibers poly-meta-phenylene isophthalamide fibers and the like Can be mentioned.
- aramid fibers para-aramid fibers having a higher elastic modulus than meta-aramid fibers are preferably used.
- the fiber which consists of inorganic materials such as glass, a basalt, silicon carbide, silicon nitride, etc.
- glass fiber E glass fiber (for electricity), C glass fiber (food-resistant), S glass fiber, T glass fiber (high strength, high elastic modulus) etc. are mentioned, for example.
- Basalt fiber is a fiber of mineralized basalt and is a highly heat-resistant fiber. Basalt generally contains 9 to 25% by weight of FeO or FeO 2 which is a compound of iron, and 1 to 6% by weight of TiO or TiO 2 which is a compound of titanium, but these components are increased in the molten state It is also possible to fiberize.
- the fiber-reinforced thermoplastic resin filament in the embodiment of the present invention is expected to serve as a reinforcing material in many cases, it is desirable to express high mechanical properties, and in order to express high mechanical properties, reinforcing fibers It is preferable to include carbon fiber as
- a reinforcing fiber is usually constituted by arranging one or more reinforcing fiber bundles in which a large number of single fibers are bundled.
- the number of single fibers of reinforcing fibers when one or more reinforcing fiber bundles are arranged is preferably 500 to 50,000. From the viewpoint of handling, the number of reinforcing fibers is preferably 1,000 to 50,000, more preferably 1,000 to 40,000, and particularly preferably 1,000 to 30,000. .
- the upper limit of the number of single fibers of the reinforcing fiber may be such as to maintain good dispersibility and handleability in consideration of balance with grade and handleability such as void and dispersibility.
- the cross-sectional shape of the fiber-reinforced thermoplastic resin filament of the present invention is not particularly limited, but it may be circular cross-section, oval cross-section, oval cross-section, triangular cross-section, Y-shaped cross-section, square cross-section, cross cross-section, hollow Any irregular cross-section such as cross-section, C-shaped cross-section, rice cross-section, star-shaped cross-section may be employed.
- circular cross-section, square cross-section, elliptical cross-section, oval cross-section, and star-shaped cross-section are preferable because of adhesion during melt lamination.
- the outermost layer can be coated with a thermoplastic resin.
- a thermoplastic resin By coating the outer peripheral portion with a thermoplastic resin, the adhesion at the time of molding can be improved.
- the resin to be coated may be the same as the fiber reinforced thermoplastic resin filament or may be a different resin.
- One reinforcing fiber bundle is constituted by bundling 500 to 50,000 single fibers of reinforcing fibers preferably having an average diameter of 5 to 10 ⁇ m.
- thermoplastic resin used in the present invention examples include polyethylene terephthalate (PET) resin, polybutylene terephthalate (PBT) resin, polytrimethylene terephthalate (PTT) resin, polyethylene naphthalate (PEN) resin, liquid crystal polyester resin, etc.
- PE poly
- polyarylene ether ketone resin examples include polyether ketone (PEK), polyether ether ketone (PEEK), polyether ether ketone ketone (PEEKK), polyether ketone ketone (PEKK), and polyether ketone ether Ketone ketone (PEKEKK), polyetherether ketone ether ketone (PEEKEK), polyether ether ether ketone (PEEEK), polyether diphenyl ether ketone (PEDEK), etc., copolymers thereof, modified products, and 2 or more types of blends
- the resin may be used.
- the fiber-reinforced thermoplastic resin filament according to the embodiment of the present invention is formed by impregnating continuous reinforcing fibers with the above-mentioned thermoplastic resin, and if necessary, further, a filler, another kind of polymer, various additives Etc. may be contained.
- the fiber-reinforced thermoplastic resin filament of the embodiment of the present invention can be obtained by impregnating a continuous reinforcing fiber with a thermoplastic resin.
- an impregnation method for example, a film method in which a thermoplastic resin in a film form is melted and pressurized to impregnate the reinforcing fiber bundle with the thermoplastic resin, and after blending a fibrous thermoplastic resin and a reinforcing fiber bundle, A commingle method in which a thermoplastic resin is impregnated into a reinforcing fiber bundle by melting and pressing a fibrous thermoplastic resin, and after a powdered thermoplastic resin is dispersed in the interstices of fibers in the reinforcing fiber bundle, a powdery A powder method in which a reinforcing fiber bundle is impregnated with a thermoplastic resin by melting and pressing a thermoplastic resin, a reinforcing fiber bundle is immersed in the molten thermoplastic resin, and the thermoplastic resin is impregnated in the reinforcing fiber bundle by pressing. Extraction methods.
- the drawing method is preferred because fiber-reinforced thermoplastic resin filaments of various types such as various thicknesse
- the length of the fiber reinforced thermoplastic resin filament of the embodiment of the present invention needs to be 1 m or more. By being 1 m or more, it is possible to mold a thermoplastic resin continuously.
- the thickness of the fiber reinforced thermoplastic resin filament of the embodiment of the present invention is 0.01 to 3 mm. If the thickness is 0.01 mm or more, the strength of a molded article obtained using the fiber reinforced thermoplastic resin filament can be improved. 0.1 mm or more is more preferable. On the other hand, if the thickness is 3 mm or less, the flexibility of the fiber-reinforced thermoplastic resin filament can be secured, and the handleability at the time of molding is improved. 1 mm or less is more preferable, and 0.7 mm or less is more preferable.
- the flexural rigidity of the fiber-reinforced thermoplastic resin filament of the embodiment of the present invention is preferably 1 N ⁇ m 2 or less. If the bending rigidity is 1 N ⁇ m 2 or less, the flexibility of the filament can be secured, and the handleability at the time of molding is improved. Less, more preferably 0.1 N ⁇ m 2, more preferably 0.01 N ⁇ m 2 or less, particularly preferably 0.005 N ⁇ m 2 or less.
- the volume content (Vf) of the fiber-reinforced thermoplastic resin filament of the embodiment of the present invention contains 30% by volume or more and 80% by volume or less of the reinforcing fiber when the entire fiber-reinforced thermoplastic resin filament is 100% by volume. Do. By containing 30% by volume or more of reinforcing fibers, the strength of a molded article obtained using the fiber-reinforced thermoplastic resin filament can be further improved. 40 volume% or more is more preferable, and 50 volume% or more of Vf is more preferable. On the other hand, by containing 80% by volume or less of the reinforcing fiber, the reinforcing fiber can be more easily impregnated with thermoplasticity. As for the reinforcing fiber in a fiber reinforced thermoplastic resin filament, 75 volume% or less is more preferable, and 70 volume% or less is further more preferable.
- the volume content Vf of the fiber reinforced thermoplastic resin filament is measured by heating the continuous fiber reinforced thermoplastic resin filament in air at 500 ° C. for 30 minutes. The plastic resin component was burned off, and the weight W1 (g) of the remaining reinforcing fiber was measured and calculated by the equation (3).
- Vf (volume%) 100 ⁇ (W1 / ⁇ f) / ⁇ W1 / ⁇ f + (W0 ⁇ W1) / ⁇ 1 ⁇ ⁇ f: density of reinforcing fibers (g / cm 3 ) rr: density of thermoplastic resin (g / cm 3 )
- the void ratio contained in the fiber reinforced thermoplastic resin filament of the fiber reinforced thermoplastic resin filament of the present invention is 5% or less.
- the mechanical properties of the fiber reinforced thermoplastic resin filament can be developed without impairing the mechanical properties of the reinforcing fiber. 3% or less is more preferable, and 2% or less is more preferable.
- the void ratio of the fiber reinforced thermoplastic resin filament was determined by observing the cross section in the thickness direction of the fiber reinforced thermoplastic resin filament as follows. A sample in which the fiber reinforced thermoplastic resin filament was embedded in epoxy resin was prepared, and the sample was polished until the cross section in the thickness direction of the fiber reinforced thermoplastic resin filament could be observed well. The polished sample was photographed at a magnification of 400 using a hyper-depth color 3D shape measurement microscope VHX-9500 (controller unit) / VHZ-100R (measurement unit) (manufactured by Keyence Corporation). The imaging range was a range of fiber reinforced thermoplastic resin filament thickness ⁇ width 500 ⁇ m. In the photographed image, the cross-sectional area of the base material and the area of the portion forming a void (void) were determined, and the impregnation rate was calculated by the equation (4).
- the average value D of the dispersion parameters defined by the following method is preferably 90% or more.
- the average value of the dispersion parameter is 90% or more, variation in mechanical properties of the fiber reinforced thermoplastic resin filament can be reduced.
- Dispersion parameter d 100 ⁇ number of units including reinforcing fibers in section / number of total units
- the fiber reinforced thermoplastic resin filament which is a sample is embedded in an epoxy resin "Epoquick (registered trademark)" manufactured by Buehler, and after curing for 24 hours at room temperature, the direction of reinforcing fibers in the fiber reinforced thermoplastic resin filament is almost perpendicular
- the cross section is polished, and then the polished surface is photographed with an ultra-deep color 3D shape measurement microscope VHX-9500 (controller unit) / VHZ-100R (measurement unit) (manufactured by Keyence Corporation) while changing the position.
- the above image processing can be obtained by calculating the number of units containing reinforcing fibers in the unit relative to the total number of divided substantially square units.
- binarization employs discriminant analysis, but in some cases it can also be carried out manually, in contrast to the picture taken.
- the reinforcing fibers contained in the unit are counted if they are also contained in part of the reinforcing fibers, and even if two or more reinforcing fibers are contained, they are counted as one as a unit.
- the size of the unit determined by equation (1) is defined by the relationship with the diameter of the reinforcing fiber observed. If the size of the unit is smaller than the range of equation (1), the dispersion parameter converges to the volume content and can not accurately express the dispersion. On the other hand, if it is larger than the range of Formula (1), a value will become fixed irrespective of the dispersibility, and it is not exact. Therefore, the unit size is preferably in the range of Formula (1).
- the coefficient of variation of the dispersion parameter d can be obtained from equation (5).
- the density of reinforcing fibers is increased by each location in the fiber-reinforced thermoplastic resin filament whose variation coefficient exceeds 4%. Accordingly, the coefficient of variation is preferably 4% or less, more preferably 3% or less.
- a molded article After laminating one or more sheets of the fiber-reinforced thermoplastic resin filaments of the embodiment of the present invention in an arbitrary configuration, a molded article can be obtained by molding while applying heat and / or pressure as necessary.
- any configuration for example, a press forming method in which molding materials laminated in any configuration are placed in a mold or on a press plate, and the mold or press plate is closed and pressed, any configuration
- the autoclave molding method which puts the molding material laminated in the inside into an autoclave and pressurizes and heats it, wraps the molding material laminated with an arbitrary structure with a film etc.
- Bagging molding method wrapping a tape while applying tension to a continuous fiber reinforced thermoplastic resin laminated in any configuration, heating in an oven, continuous fiber reinforced thermoplastic resin laminated in any configuration in a mold
- Internal pressure molding method in which gas or liquid is injected and pressurized into the core set in the same mold, and the molding material is heated and pressurized to melt it.
- the fiber-reinforced thermoplastic resin filament of the embodiment of the present invention and the molded article thereof make good use of the excellent properties thereof, such as aircraft parts, automobile parts, electric and electronic parts, building members, various containers, daily necessities, household goods and sanitary goods etc. It can be used for various applications.
- the fiber-reinforced thermoplastic resin filament according to the embodiment of the present invention and the molded article thereof are, among others, aircraft engine peripheral parts that require stable mechanical properties, aircraft parts exterior parts, automobile body parts vehicle frame, automobile engine peripheral parts, It is particularly preferably used for automobile underhood parts, automobile gear parts, automobile interior parts, automobile exterior parts, intake / exhaust parts, engine cooling water system parts, automobile electrical parts, and electric / electronic parts applications.
- the fiber-reinforced thermoplastic resin filament of the embodiment of the present invention and the molded article thereof include aircraft engine peripheral parts such as fan blades, landing gear pods, winglets, spoilers, edges, ladders, elevators, failings, Aircraft related parts such as ribs, various seats, front seats, underbodies, various pillars, various members, various frames, various beams, various supports, various car bodies such as various rails, various hinges, engine covers, air intake pipes, timing Automobile engine peripheral parts such as belt cover, intake manifold, filler cap, throttle body, cooling fan, etc.
- aircraft engine peripheral parts such as fan blades, landing gear pods, winglets, spoilers, edges, ladders, elevators, failings
- Aircraft related parts such as ribs, various seats, front seats, underbodies, various pillars, various members, various frames, various beams, various supports, various car bodies such as various rails, various hinges, engine covers, air intake pipes, timing Automobile engine peripheral parts such as belt cover, intake manifold,
- Vf Volume content
- Vf (volume%) 100 ⁇ (W1 / ⁇ f) / ⁇ W1 / ⁇ f + (W0 ⁇ W1) / ⁇ 1 ⁇ ⁇ f: density of reinforcing fibers (g / cm 3 ) rr: density of thermoplastic resin (g / cm 3 )
- the cross section in the thickness direction of the fiber-reinforced thermoplastic resin filament obtained by each example and comparative example was observed as follows.
- a sample in which a fiber reinforced thermoplastic resin filament was embedded in epoxy resin was prepared, and the sample was polished until the cross section in the thickness direction of the fiber reinforced thermoplastic resin filament could be observed well.
- the polished sample was photographed at a magnification of 400 using a hyper-depth color 3D shape measurement microscope VHX-9500 (controller unit) / VHZ-100R (measurement unit) (manufactured by Keyence Corporation).
- the imaging range was a range of fiber reinforced thermoplastic resin filament thickness ⁇ width 500 ⁇ m.
- the area of the fiber-reinforced thermoplastic resin filament and the area of the portion forming the void (void) were determined, and the impregnation rate was calculated by the equation (4).
- Dispersion parameter d 100 ⁇ number of units including reinforcing fibers in section / number of total units
- the photograph of the cross section of each fiber thermoplastic resin filament taken was divided into approximately square units in which the length of one side of the formula (1) that does not overlap each other is divided into units.
- the substantially square unit image processing was performed, a unit including a reinforcing fiber in the roughly square unit was measured, and the dispersion parameter d was calculated from Formula (2).
- the dispersion parameter d thus obtained was photographed over 20 sheets or more, and the average value D and the variation coefficient were calculated.
- the flexural modulus of the fiber reinforced thermoplastic resin filament was measured in accordance with JIS K 7074 (2012). In addition, the measurement performed the bending test along the axial direction of the filament.
- Carbon fiber bundle-Toray Industries, Inc. PAN-based carbon fiber (CF) "TORAYCA (registered trademark)"
- Thermoplastic resin ⁇ Toray Industries, Ltd. Polyphenylene sulfide resin (PPS) "Torrina (registered trademark)” ⁇ Victrex Japan Co., Ltd. polyetheretherketone resin (PEEK) "VICTREX (registered trademark)” ⁇ Arkema Co., Ltd. product polyether ketone ketone (PEKK) "KEPSTAN (registered trademark)” ⁇ Sabik Co., Ltd. product polyether imide (PEI) "ULTEM (registered trademark)”
- One bobbin on which a carbon fiber bundle was wound was prepared, and the carbon fiber bundle was continuously sent from the bobbin through the yarn path guide.
- the continuously delivered carbon fiber bundles were impregnated in the impregnation die with the resin shown in Table 1 that was metered from the filled feeder.
- the carbon fiber impregnated in the impregnation die was continuously drawn from the nozzle of the impregnation die at a drawing speed of 1 m / min using a take-up roll.
- the drawn carbon fiber bundle passes through a cooling roll to cool and solidify the thermoplastic resin, and is wound up by a winding machine as continuous fiber reinforced polythermoplastic resin filaments.
- the fiber-reinforced thermoplastic resin filaments obtained were circular in cross-sectional shape, and the reinforcing fiber directions were aligned in one direction.
- the obtained fiber reinforced thermoplastic resin filament was subjected to the above evaluation. The evaluation results are shown in Table 1.
- the fiber-reinforced thermoplastic resin filament of the embodiment of the present invention can be formed into a desired shape by any method such as press molding or 3D printing
- the 3D printing method has a high reinforcing effect and handleability at the time of molding It is necessary to make it compatible and it is suitable as a forming method of the fiber reinforced thermoplastic resin filament of the present invention.
- Molded articles obtained by molding fiber reinforced thermoplastic resin filaments include, for example, aircraft engine peripheral parts, aircraft interior parts, aircraft exterior parts, vehicle frameworks, automobile engine peripheral parts, automobile underhood parts, automobile gear parts, automobile interiors Processing for automotive applications such as parts, automobile exterior parts, intake / exhaust parts, engine cooling water system parts, automobile electrical parts, etc., and electrical / electronic parts applications such as LED reflectors and SMT connectors are effective.
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Abstract
Description
(a)繊維強化熱可塑性樹脂フィラメント中の強化繊維の体積割合が30~80%であり、熱可塑性樹脂の体積割合が70~20%である。
(b)厚みが0.01~3mmである。
(c)フィラメント長が1m以上である。
[2]ボイド率が5%以下である[1]に記載の繊維強化熱可塑性樹脂フィラメント。
[3]曲げ剛性が1N・m2以下である[1]または[2]に記載の繊維強化熱可塑性樹脂フィラメント。
[4]前記強化繊維が炭素繊維、ガラス繊維、アラミド繊維から選ばれる少なくとも1種である[1]~[3]のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
[5]前記熱可塑性樹脂がポリフェニレンスルフィド樹脂(PPS)、ポリアリーレンエーテルケトン樹脂(PAEK)、ポリエーテルイミド樹脂(PEI)、ポリエーテルスルホン樹脂(PES)、液晶ポリマー樹脂(LCP)から選ばれる少なくとも1種である[1]~[4]のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
[6]下記手順(i)~(iii)の方法によって算出される強化繊維の分散パラメータの平均値Dが90%以上である[1]~[5]に記載の繊維強化熱可塑性樹脂フィラメント。
(i)前記繊維強化熱可塑性樹脂フィラメントの配向方向に垂直な横断面の写真を撮影する。
(ii)前記横断面の写真を下記式(1)で規定される一辺の長さtを有する正方形ユニットに分割する。
(iii)下記式(2)で定義される分散パラメータdを算出する。
(iv)上記手順(i)~(iii)を複数回繰り返し、分散パラメータdの平均値Dを算出する。
式(1) 1.5a≦t≦2.5a
a: 繊維直径
t: ユニットの一辺の長さ
式(2) 分散パラメータd=100×区画内に強化繊維が含まれるユニットの個数/ユニット全体の個数
[7]前記分散パラメータの平均値Dの変動係数が4%以下である[1]~[6]に記載の繊維強化熱可塑性樹脂フィラメント。
[8]断面形状が円形、四角形、楕円形、長円形、星形のいずれかの形状である[1]~[7]のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
[9]最外層に熱可塑性樹脂層が被覆されてなる[1]~[8]のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
[10][1]~[9]のいずれかに記載の繊維強化熱可塑性樹脂フィラメントからなる成形品。
ρf:強化繊維の密度(g/cm3)
ρr:熱可塑性樹脂の密度(g/cm3)
(i)繊維強化熱可塑性樹脂フィラメントの配向方向とほぼ垂直な横断面を撮影する。
(ii)該横断面写真を式(1)で規定された一辺の長さを有する正方形ユニットに分割する。
(iii)式(2)で定義する分散パラメータdを算出する。
(iv)(i)~(iii)の手順を繰り返し、分散パラメータdの平均値Dを算出する。
a:繊維直径
t:ユニットの1辺の長さ
試料である繊維強化熱可塑性樹脂フィラメントを、ビューラー社製エポキシ樹脂「エポクイック(登録商標)に埋め込み、室温で24時間硬化させた後、繊維強化熱可塑性樹脂フィラメントにおける強化繊維の配向方向にほぼ垂直な横断面を研磨し、次いで研磨面を超深度カラー3D形状測定顕微鏡VHX-9500(コントローラー部)/VHZ-100R(測定部)((株)キーエンス製)で、位置を変えながら撮影する。
各実施例および比較例により得られた繊維強化熱可塑性樹脂フィラメントの体積含有率Vfは、繊維強化熱可塑性樹脂フィラメントの質量W0を測定したのち、該繊維強化熱可塑性樹脂フィラメントを空気中500℃で30分間加熱して熱可塑性樹脂成分を焼き飛ばし、残った強化繊維の質量W1を測定し、式(3)により算出した。
ρf:強化繊維の密度(g/cm3)
ρr:熱可塑性樹脂の密度(g/cm3)
各実施例および比較例により得られた繊維強化熱可塑性樹脂フィラメントの厚み方向断面を以下のように観察した。繊維強化熱可塑性樹脂フィラメントをエポキシ樹脂で包埋したサンプルを用意し、繊維強化熱可塑性樹脂フィラメントの厚み方向断面が良好に観察できるようになるまで、前記サンプルを研磨した。研磨したサンプルを、超深度カラー3D形状測定顕微鏡VHX-9500(コントローラー部)/VHZ-100R(測定部)((株)キーエンス製)を使用して、拡大倍率400倍で撮影した。撮影範囲は、繊維強化熱可塑性樹脂フィラメントの厚み×幅500μmの範囲とした。撮影画像において、繊維強化熱可塑性樹脂フィラメントの面積および空隙(ボイド)となっている部位の面積を求め、式(4)により含浸率を算出した。
(i)繊維強化熱可塑性樹脂フィラメントの配向方向とほぼ垂直な横断面を撮影する。
(ii)該横断面写真を式(1)で規定された一辺の長さを有する正方形ユニットに分割する。
(iii)式(2)で定義する分散パラメータdを算出する。
(iv)(i)~(iii)の手順を繰り返し、分散パラメータdの平均値Dを算出する。
a:繊維直径
t:ユニットの1辺の長さ
資料である繊維強化熱可塑性樹脂フィラメントを、エポキシ樹脂に埋め込み、室温で24時間硬化させた後、繊維強化熱可塑性樹脂フィラメントにおける強化繊維の配向方向にほぼ垂直な横断面を研磨し、次いで該研磨面を超深度カラー3D形状測定顕微鏡VHX-9500(コントローラー部)/VHZ-100R(測定部)((株)キーエンス製)で撮影した。
各実施例および比較例により得られた繊維強化熱可塑性樹脂フィラメントの曲げ剛性は下記式(6)により算出した。
E:繊維強化熱可塑性樹脂フィラメントの曲げ弾性率
I:断面二次モーメント
各実施例および比較例により得られた繊維強化熱可塑性樹脂フィラメントの取り扱い性は繊維強化熱可塑性樹脂フィラメントを内径150mmのロールに巻き付け、巻き付けた繊維強化熱可塑性樹脂フィラメントの折れやたるみを判断基準とし、以下の2段階で評価し、〇を合格とした
〇(良):折れ、たわみなし
×(不良):折れ、たわみあり
実施例および比較例において、原料は以下に示すものを用いた。
・東レ(株)製 PAN系炭素繊維(CF)“トレカ(登録商標)”
・東レ(株)製 ポリフェニレンスルフィド樹脂(PPS)“トレリナ(登録商標)”
・ビクトレックス・ジャパン(株)製 ポリエーテルエーテルケトン樹脂(PEEK)“VICTREX(登録商標)”
・アルケマ(株)製 ポリエーテルケトンケトン(PEKK)“KEPSTAN(登録商標)”
・サビック(株)製 ポリエーテルイミド(PEI)“ULTEM(登録商標)”
Claims (10)
- 連続した強化繊維に熱可塑性樹脂が含浸されてなる繊維強化熱可塑性樹脂フィラメントであって、下記条件(a)~(c)のすべてを満たすことを特徴とする繊維強化熱可塑性樹脂フィラメント。
(a)強化繊維の重量割合が30~80%であり、熱可塑性樹脂の体積割合が70~20%である。
(b)厚みが0.01~3mmである。
(c)フィラメント長が1m以上である。 - ボイド率が5%以下である請求項1に記載の繊維強化熱可塑性樹脂フィラメント。
- 曲げ剛性が1N・m2以下である請求項1または2に記載の繊維強化熱可塑性樹脂フィラメント。
- 前記強化繊維が炭素繊維、ガラス繊維、アラミド繊維のから選ばれる少なくとも1種である請求項1~3に記載の繊維強化熱可塑性樹脂フィラメント。
- 前記熱可塑性樹脂がポリフェニレンスルフィド樹脂(PPS)、ポリアリーレンエーテルケトン樹脂(PAEK)、ポリエーテルイミド樹脂(PEI)、ポリエーテルスルホン樹脂(PES)、液晶ポリマー樹脂(LCP)から選ばれる少なくとも1種である請求項1~4のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
- 下記手順(i)~(iii)の方法によって算出される強化繊維の分散パラメータの平均値Dが90%以上である請求項1~5のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
(i)前記繊維強化熱可塑性樹脂フィラメントの配向方向に垂直な横断面の写真を撮影する。
(ii)前記横断面の写真を下記式(1)で規定される一辺の長さtを有する正方形ユニットに分割する。
(iii)下記式(2)で定義される分散パラメータdを算出する。
(iv)上記手順(i)~(iii)を複数回繰り返し、分散パラメータdの平均値Dを算出する。
式(1) 1.5a≦t≦2.5a
a: 繊維直径
t: ユニットの一辺の長さ
式(2) 分散パラメータd=100×区画内に強化繊維が含まれるユニットの個数/ユニット全体の個数 - 前記分散パラメータの平均値Dの変動係数が4%以下である請求項1~6のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
- 断面形状が円形、楕円形、長円形、星形のいずれかの形状である請求項1~7のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
- 最外層に熱可塑性樹脂層が被覆されてなる請求項1~8のいずれかに記載の繊維強化熱可塑性樹脂フィラメント。
- 請求項1~9のいずれかに記載の繊維強化熱可塑性樹脂フィラメントからなる成形品。
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US16/759,252 US11566114B2 (en) | 2017-11-07 | 2018-11-05 | Fiber-reinforced thermoplastic resin filament and shaped product of same |
BR112020007719-4A BR112020007719A2 (pt) | 2017-11-07 | 2018-11-05 | filamento de resina termoplástica reforçada com fibra e artigo moldado do mesmo |
AU2018364896A AU2018364896A1 (en) | 2017-11-07 | 2018-11-05 | Fiber-reinforced thermoplastic resin filament and molded article of same |
KR1020207011774A KR20200078504A (ko) | 2017-11-07 | 2018-11-05 | 섬유 강화 열가소성 수지 필라멘트 및 그의 성형품 |
EP18876304.9A EP3708707A4 (en) | 2017-11-07 | 2018-11-05 | FIBER REINFORCED THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLES THEREOF |
RU2020118556A RU2020118556A (ru) | 2017-11-07 | 2018-11-05 | Филамент из фиброармированной термопластической смолы и профилированный продукт из него |
CA3080701A CA3080701A1 (en) | 2017-11-07 | 2018-11-05 | Fiber-reinforced thermoplastic resin filament and shaped product of same |
CN201880056680.5A CN111094649B (zh) | 2017-11-07 | 2018-11-05 | 纤维增强热塑性树脂长丝及其成型品 |
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WO2020241615A1 (ja) * | 2019-05-30 | 2020-12-03 | リンテック株式会社 | 3dプリンタ用造形材料及び造形物 |
EP4286455A1 (de) | 2022-06-03 | 2023-12-06 | Evonik Operations GmbH | Endlosfaserverstärktes filament aus thermoplastischem kunststoff zum einsatz in additiven fertigungsprozessen und verfahren dazu |
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EP3595853A4 (en) | 2017-03-16 | 2020-12-23 | Guerrilla Industries LLC | COMPOSITE STRUCTURES AND PROCESSES FOR FORMING COMPOSITE STRUCTURES |
BR112021001755A2 (pt) * | 2018-08-22 | 2021-04-27 | Toray Industries, Inc. | substrato de resina termoplástica reforçada com fibra e laminado usando o mesmo |
CN112662070A (zh) * | 2020-12-31 | 2021-04-16 | 广州金发碳纤维新材料发展有限公司 | 一种连续金属丝增强热塑性复合材料带材 |
EP4304841A1 (en) | 2021-03-09 | 2024-01-17 | Guerrilla Industries LLC | Composite structures and methods of forming composite structures |
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- 2018-11-05 JP JP2018562382A patent/JP7284930B2/ja active Active
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- 2018-11-05 CA CA3080701A patent/CA3080701A1/en not_active Abandoned
- 2018-11-05 AU AU2018364896A patent/AU2018364896A1/en not_active Abandoned
- 2018-11-05 US US16/759,252 patent/US11566114B2/en active Active
- 2018-11-05 CN CN201880056680.5A patent/CN111094649B/zh active Active
- 2018-11-05 BR BR112020007719-4A patent/BR112020007719A2/pt not_active Application Discontinuation
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JP7449285B2 (ja) | 2019-05-30 | 2024-03-13 | リンテック株式会社 | 3dプリンタ用造形材料及び造形物の製造方法 |
EP4286455A1 (de) | 2022-06-03 | 2023-12-06 | Evonik Operations GmbH | Endlosfaserverstärktes filament aus thermoplastischem kunststoff zum einsatz in additiven fertigungsprozessen und verfahren dazu |
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Also Published As
Publication number | Publication date |
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JPWO2019093277A1 (ja) | 2020-09-24 |
BR112020007719A2 (pt) | 2020-10-13 |
EP3708707A1 (en) | 2020-09-16 |
KR20200078504A (ko) | 2020-07-01 |
JP7284930B2 (ja) | 2023-06-01 |
RU2020118556A (ru) | 2021-12-08 |
CA3080701A1 (en) | 2019-05-16 |
AU2018364896A1 (en) | 2020-05-21 |
EP3708707A4 (en) | 2021-09-01 |
CN111094649A (zh) | 2020-05-01 |
US20200369838A1 (en) | 2020-11-26 |
US11566114B2 (en) | 2023-01-31 |
CN111094649B (zh) | 2023-01-06 |
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