WO2015033980A1 - 繊維強化部材の製造方法 - Google Patents
繊維強化部材の製造方法 Download PDFInfo
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- WO2015033980A1 WO2015033980A1 PCT/JP2014/073250 JP2014073250W WO2015033980A1 WO 2015033980 A1 WO2015033980 A1 WO 2015033980A1 JP 2014073250 W JP2014073250 W JP 2014073250W WO 2015033980 A1 WO2015033980 A1 WO 2015033980A1
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- thermoplastic resin
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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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/302—Details of the edges of fibre composites, e.g. edge finishing or means to avoid delamination
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
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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
- B29C70/06—Fibrous reinforcements only
- B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
- B29C70/081—Combinations of fibres of continuous or substantial length and short fibres
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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
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/18—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length in the form of a mat, e.g. sheet moulding compound [SMC]
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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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/345—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
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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
- B29C70/467—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 the reinforcements during mould closing
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14786—Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced 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
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
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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
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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
- B29K2105/0854—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 in the form of a non-woven mat
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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
- B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
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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
- B29K2105/20—Inserts
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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
- B29K2307/00—Use of elements other than metals as reinforcement
- B29K2307/04—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3055—Cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3481—Housings or casings incorporating or embedding electric or electronic elements
Definitions
- the present invention relates to a method for manufacturing a fiber reinforced member that is molded by combining a pressure molding method and an injection molding method, which are preferably used for molding a vehicle body component part of an automobile or a casing component part of an electric device.
- Fiber reinforced resin is excellent in specific strength, moldability, etc., and its application fields are expanding. Specifically, the application of fiber reinforced resin to body components of general automobiles and housing components of electric devices, which are expected to be mass-produced, is being studied.
- Patent Document 1 discloses an automobile exterior part that is an injection-molded product of a fiber-reinforced thermoplastic resin composition and has a weight average distribution of reinforcing fiber length of 1.5 to 5.0 mm in the molded product of 1 to 50%. Proposed.
- the reinforcing fiber in the molded product has a weight average distribution of 1 to 50%, preferably 5 to 50%, with a fiber length of 1.5 to 5.0 mm, and the composition used for the automobile exterior part is a thermoplastic resin. It is obtained from 40 to 99% by weight and reinforcing fiber 60 to 1% by weight, preferably 50 to 75% thermoplastic resin and 50 to 25% reinforcing fiber.
- Patent Document 2 discloses a process (I) of forming a preform by laminating a base material having discontinuous reinforcing fibers and a resin, and placing a preform having a charge rate below 100% in a mold. And the step (II) for press molding, and the step (III) for integrating the thermoplastic resin by injection molding after inserting the planar molded body obtained in the step (II) into an injection mold A method for manufacturing a chemical molded article has been proposed. According to this manufacturing method, a sheet-like molded body formed from discontinuous reinforcing fibers and a resin is used as a primary molded body and integrated with a thermoplastic resin by injection molding, so that heat having high mechanical properties and a complicated shape is obtained. It is said that a plastic resin molded body can be easily obtained.
- Patent Document 3 a permeable sheet made of a thermoplastic resin and a woven sheet in which the thermoplastic resin filaments are woven into a reinforcing fiber bundle are preliminarily molded by preheating and pressurizing in a preforming mold, and these are integrally molded. After superposing and molding in a mold and molding a decorative preform, the decorative preform is set in an injection mold, and the heat is formed on the back side. There has been proposed a method for molding a textile decorative resin product, in which a thermoplastic resin of the same quality as the plastic resin is injection molded to form a textile decorative resin product.
- a fabric decorative resin product that is suitably used as a lightweight and highly rigid body component (for example, a cowl) can be trimmed and attached while maintaining the strength and design of the fabric sheet. It is said that it can be formed economically by eliminating all steps such as retrofitting of tools.
- the present invention can efficiently form a fiber reinforced member having a long average fiber length and a high reinforcing fiber content by combining the pressure molding method and the injection molding method.
- Another object of the present invention is to provide a method for manufacturing a fiber reinforced member capable of manufacturing a vehicle body component part of an automobile, a casing component part of an electric device, and the like with high productivity.
- the method for producing a fiber reinforced member according to the present invention includes forming a thermoplastic resin melt in a lower mold, placing a mat-like material formed of reinforcing fibers B on the melt, and After the pressing upper mold is closed and pressed, the matte material impregnated with the thermoplastic resin is cooled and solidified to form a body portion obtained from the fiber reinforced resin, The upper mold for pressure is opened, the upper mold for injection molding is closed on the lower mold to form the injection mold, and then the injection molding is performed to form the additional part, and the additional part is combined with the main body part. A step 2 of forming the fiber-reinforced member.
- the melt can be formed from a thermoplastic resin alone or from a thermoplastic resin containing the reinforcing fiber A.
- the reinforcing fiber A contained in the molded fiber reinforcing member preferably has an average fiber length of 0.1 to 25 mm.
- the reinforcing fiber B contained in the formed fiber reinforced member preferably has an average fiber length of 1 to 100 mm.
- the volume content of the reinforcing fiber in the main body portion of the fiber reinforced member is 10 to 70%.
- the additional portion preferably contains 0 to 50% by volume of reinforcing fibers M having an average fiber length of 0.1 to 25 mm.
- the member of the shape which protruded from main parts such as a convex part formed in the main part, a boss
- the melt is preferably formed by applying a thermoplastic resin containing reinforcing fiber A supplied from a plasticizing discharge machine.
- the method for producing a fiber reinforced member according to the present invention includes forming a thermoplastic resin melt on a lower mold, placing a mat-like material formed of reinforcing fibers on the melt, and After the upper mold is closed and pressed into the mold, the impregnation treatment is performed, and then the main body obtained from the fiber reinforced resin is formed by cooling and solidifying the mat-like material impregnated with the thermoplastic resin, and the main body After the mold is released from the lower mold and the upper mold, the main body portion is disposed in the injection mold and injection molding is performed to form the additional portion, and the additional portion is combined with the main body portion. It may have the process 2 which manufactures the fiber reinforced member.
- the present invention it is possible to efficiently form a fiber reinforced resin having a long average fiber length and a high content of reinforcing fiber, and it is possible to efficiently produce automotive body components, electrical equipment casing components, and the like. Can be manufactured.
- FIG. 1 (a) and 1 (b) are drawings showing a fiber reinforced member molded according to the present invention.
- FIG. 1A is a plan view
- FIG. 1B is a schematic cross-sectional view.
- 2 (a) to 2 (c) are drawings showing a process for manufacturing a fiber reinforced member according to the present invention.
- FIG. 3A and FIG. 3B are diagrams illustrating examples of the adding unit.
- FIG. 1 (a) and FIG.1 (b) show the fiber reinforcement member shape
- the present invention provides a fiber reinforced member 50 having a thin plate-like main body 51 having a large area and an additional portion 55 formed in a convex shape on the surface of the main body 51. This is a production method suitably used for molding.
- thermoplastic resin melt is formed in a lower mold, a mat-like material formed of reinforcing fibers B is placed on the melt, and the upper mold for pressurization is placed on the lower mold.
- the mat-shaped material impregnated with the thermoplastic resin is cooled and solidified to form a main body obtained from the fiber reinforced resin, and the upper mold for pressurization
- the upper mold for injection molding is closed to the lower mold to form an injection mold, and then injection molding is performed to form an additional part, and the additional part is combined with the main body part, and the fiber reinforced member Can be carried out by the step 2 of molding.
- thermoplastic resin melt 511 is formed on the lower mold 10, and a mat formed from the reinforcing fibers B on the melt 511.
- the material 513 is placed, and the upper mold 20 for pressurization is closed and pressed on the lower mold 10 to perform the impregnation treatment.
- the lower mold 10 and the pressurizing upper mold 20 are cooled.
- thermoplastic resin is not particularly limited, and various thermoplastic resins such as polyethylene, polypropylene, polyethylene terephthalate, polybutylene terephthalate, polyamide, polycarbonate, and polymethyl methacrylate can be used.
- the reinforcing fiber B is a base material for the fiber reinforcing member 50 according to the present invention, and a mat-like one is used as described above.
- the mat shape refers to a fiber bundle made of a mat, woven fabric, or woven fabric.
- a mat formed from reinforcing fibers having a desired fiber length and fiber density can be easily obtained.
- a mat-like material 513 formed from the mat-like reinforcing fibers B is placed on the melt 511, and the upper mold 20 for pressing is pressed to impregnate the thermoplastic resin.
- the reinforcing fiber B constituting the mat-like material 513 hardly flows or is cut during or after the pressing / impregnation process, and thus the fiber reinforcing member 50 having a desired average fiber length is easily manufactured. can do.
- the average fiber length of the reinforcing fibers B contained in the fiber reinforcing member 50 is preferably 1 to 100 mm, more preferably 2 to 25 mm, and still more preferably 3 to 15 mm. When the average fiber length of the reinforcing fibers B is within the above range, the content of reinforcing fibers in the fiber reinforcing member 50 is increased, and the fiber reinforcing member 50 having high physical properties can be formed.
- Reinforcing fiber B can be obtained only from reinforcing fibers, such as those coated with a thermoplastic resin around the reinforcing fiber, those containing a thermoplastic resin in the form of yarn, powder or sheet, etc. Can be used. The above impregnation treatment can be facilitated and accelerated by the coating of the thermoplastic resin or the like. In order to heat the reinforcing fiber B quickly, the thermoplastic resin content by coating or the like is desirably 30 vol% or less of the reinforcing fiber.
- the melt 511 may be formed only from a thermoplastic resin, or may be formed from a thermoplastic resin containing the reinforcing fiber A.
- the thermoplastic resin containing the reinforcing fiber A is used, the reinforcing fiber A can be mixed in the reinforcing fiber B, and the content of the reinforcing fiber in the fiber reinforcing member 50 can be increased.
- the volume content of the reinforcing fibers contained in the main body 51 of the fiber reinforced member 50 is preferably 10 to 70%, more preferably 20 to 65%, and still more preferably 30 to 60%. .
- the fiber reinforced member 50 having high physical properties can be formed.
- the melt 511 is preferably formed by applying a thermoplastic resin containing the reinforcing fiber A supplied from an extruder.
- a thermoplastic resin containing the reinforcing fiber A supplied from an extruder it is preferable to use a twin-screw extruder that supplies roving-like reinforcing fibers, cuts the reinforcing fibers with a screw, and further cuts the cut reinforcing fibers while kneading with a thermoplastic resin.
- a twin-screw extruder that supplies roving-like reinforcing fibers, cuts the reinforcing fibers with a screw, and further cuts the cut reinforcing fibers while kneading with a thermoplastic resin.
- the average fiber length of the reinforcing fibers A contained in the main body 51 of the fiber reinforced member 50 is preferably 0.1 to 25 mm, more preferably 1 to 15 mm, and still more preferably 6 to 10 mm.
- the average fiber length of the reinforcing fibers A is within the above range, the content of reinforcing fibers in the fiber reinforcing member 50 is increased, and the fiber reinforcing member 50 having high physical properties can be formed.
- a high-temperature thermoplastic resin containing the reinforcing fiber A can be supplied, production with high energy efficiency can be performed.
- the reinforcing fiber B and the reinforcing fiber A can be the same or different (for example, the same filament material and different sizes).
- the extruder may be an injection machine, and the present invention can be widely used for plasticizing discharge machines.
- the lower mold 10 and the upper mold 20 for pressurization are cooled.
- a solid body 51 is formed by cooling the lower mold 10 and the upper mold 20 for pressurization.
- the pressurizing upper mold 20 is opened, and the injection molding upper mold 30 is disposed as shown in FIG. Is closed to the lower mold 10 to form an injection mold.
- injection molding is performed to form the additional portion 55 as shown in FIG. 2C, and the fiber reinforced member 50 in which the additional portion 55 is combined with the main body portion 51 is molded.
- stacked on or integrated with the main-body part 51 by injection molding are formed.
- the sprue 560 is cut off to form the fiber reinforced member 50.
- the lower mold 10 in this example has a flat shape without irregularities, but may have irregularities.
- the injection molding is performed after the main body 51 is in a solidified state, that is, it is performed after the thermoplastic resin impregnated in the reinforcing fibers of the main body 51 is already solidified. There is no problem of fiber orientation and bias. According to the present invention, it is possible to solve a problem related to a conventional insert molding method in which a prepreg is laminated or a prepreg and a resin sheet laminated are heated and pressure-molded.
- thermoplastic resin or a thermoplastic resin containing the reinforcing fiber M can be used as the resin used for the injection molding.
- this thermoplastic resin the same or different one from the thermoplastic resin forming the melt 511 can be used.
- the reinforcing fiber M the same material (the material and size of the filament) as the reinforcing fiber B or the reinforcing fiber A can be used. Further, as the reinforcing fiber M, a material different from the reinforcing fiber B or the reinforcing fiber A can be used.
- the average length of the reinforcing fiber M contained in the additional portion 55 is preferably 0.1 to 25 mm, more preferably 2 to 15 mm, and further preferably 3 to 6 mm.
- the content of reinforcing fibers in the fiber reinforcing member 50 is increased, and the fiber reinforcing member 50 having high physical properties can be formed.
- the volume content of the reinforcing fiber M in the additional portion 55 can be 0 to 50%.
- the volume content of the reinforcing fiber M contained in the additional portion 55 is more preferably 10 to 40%.
- the additional portion 55 formed by injection molding includes a boss 553, a rib 554, a hinge 555, a flange 556, a claw 557, and a side wall. 558 etc. are included.
- the additional portion includes the above-described runner function portion 559, but includes a convex portion having a convex shape in a broad sense not included in the above category.
- the volume content of the reinforced fiber A contained in the fiber reinforced member 50 is preferably 20 to 70%, more preferably 30 to 70%.
- the main body 51 formed in the step 1 can perform the next step 2 if its shape is fixed by cooling. For this reason, since the main-body part 51 can perform the process 2 when it is still in a heating state, manufacture of the fiber reinforced member 50 with high productivity and energy efficiency can be performed.
- a method of heating and pressure molding the laminated prepreg Unlike, there are few shape restrictions. For this reason, in the shape design of the main-body part 51, such as the shape or size of an edge surrounding wall, a cross-sectional shape, or thickness, a comparatively free design can be performed. Further, by appropriately selecting the material, form (average fiber length, density, coating treatment, etc.) or content of the reinforcing fiber or thermoplastic resin forming the mat-like material or the melt, the impregnation treatment is promoted. A fiber reinforced member having a long average fiber length and a high content of reinforcing fibers can be formed.
- the manufacturing method of this fiber reinforced member was demonstrated.
- the manufacturing method of the fiber reinforced member which concerns on this invention is not restricted to said embodiment.
- injection molding is performed with a new injection mold rather than the injection mold composed of the lower mold 10 and the upper mold 30 for injection molding. It may be preferable to do so.
- the present invention can be applied even in such a case. That is, in the method for manufacturing a fiber reinforced member according to the present invention, a thermoplastic resin melt is formed on a lower mold, a mat-like material made of reinforcing fibers is placed on the melt, and the lower mold is placed on the lower mold.
- the mat-shaped material is cooled and solidified to form a main body made of fiber-reinforced resin, and the molded main body is formed into the lower and upper molds.
- the main body part is disposed in the injection mold and injection molding is performed to form the additional part, and the fiber reinforced member in which the additional part is combined with the main body part is manufactured in step 2 It may be a method to be implemented. Also in this manufacturing method, the process 2 can be performed when the main body 51 is still in a heated state, so that the fiber-reinforced member 50 with high productivity and energy efficiency can be manufactured.
- the manufacturing method of the fiber reinforced member concerning this invention does not necessarily need to perform the said process 1 and the process 2 in the order. That is, first, the upper mold for injection molding is closed on the lower mold to form the injection mold, then injection molding is performed to form the additional portion, and then the additional portion formed by the injection molding is cooled. Then, the upper mold for injection molding is opened, a thermoplastic resin is applied to the lower mold to form a melt with the additional portion protruding, and the reinforcing fiber B is formed on the melt. After placing the mat-like material, the upper die for pressurization is closed and pressed on the lower die and subjected to impregnation treatment, and then cooled and solidified to form a fiber reinforced member from which the additional portion protrudes.
- the manufacturing method of a fiber reinforced member may be sufficient.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
なお、強化繊維Bと強化繊維Aは、その構成するフィラメントの材質、サイズ等が同一のもの、あるいは異なる(例えば、フィラメントの材質が同じでサイズが異なる)ものとすることができる。また、押出機は射出機であってもよく、本発明は広く可塑化吐出機に使用することができる。
20 加圧用上金型
30 射出成形用上金型
50 繊維強化部材
51 本体部
511 溶融体
513 マット状素材
55 付加部
553 ボス
554 リブ
555 ヒンジ
556 フランジ
557 ツメ
558 側壁
559 ランナー機能部
560 スプルー
Claims (9)
- 下金型に熱可塑性樹脂の溶融体を形成し、前記溶融体上に強化繊維Bから形成されたマット状素材を載置し、前記下金型に加圧用上金型を閉じて押圧し含浸処理を行った後、熱可塑性樹脂が含浸したマット状素材を冷却・固化して繊維強化樹脂から得られる本体部を成形する工程1と、
前記加圧用上金型を開き、前記下金型に射出成形用上金型を閉じて射出成形金型を形成した後に射出成形を行って付加部を形成し、前記付加部が前記本体部に複合された繊維強化部材を成形する工程2を有する繊維強化部材の製造方法。 - 前記溶融体は、熱可塑性樹脂のみから形成するもの、または強化繊維Aを含有する熱可塑性樹脂から形成するものである、請求項1に記載の繊維強化部材の製造方法。
- 前記強化繊維Aは、平均繊維長が0.1~25mmである、請求項2に記載の繊維強化部材の製造方法。
- 前記強化繊維Bは、平均繊維長が1~100mmである、請求項1~請求項3の何れか一項に記載の繊維強化部材の製造方法。
- 前記繊維強化部材の前記本体部における強化繊維の体積含有率が10~70%である、請求項1~請求項4の何れか一項に記載の繊維強化部材の製造方法。
- 前記付加部は、平均繊維長が0.1~25mmの強化繊維Mを体積含有率で0~50%含有する、請求項1~請求項5の何れか一項に記載する繊維強化部材の製造方法。
- 前記付加部は、前記本体部に形成された凸状部、ボス、リブ、ヒンジ、フランジ、ツメ又は側壁部である、請求項1~請求項6の何れか一項に記載する繊維強化部材の製造方法。
- 前記溶融体は、可塑化吐出機から供給される前記強化繊維Aを含有する前記熱可塑性樹脂の塗布により形成される、請求項2~請求項7の何れか一項に記載する繊維強化部材の製造方法。
- 下金型に熱可塑性樹脂の溶融体を形成し、前記溶融体上に強化繊維から形成されたマット状素材を載置し、前記下金型に上金型を閉じて押圧し含浸処理を行った後、熱可塑性樹脂が含浸したマット状素材を冷却・固化して繊維強化樹脂から得られる本体部を成形する工程1と、
前記本体部を前記下金型及び前記上金型から離型した後に、前記本体部を射出成形金型に配設して射出成形を行って付加部を形成し、前記付加部が前記本体部に複合された繊維強化部材を製造する工程2を有する繊維強化部材の製造方法。
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US14/916,791 US10160166B2 (en) | 2013-09-06 | 2014-09-03 | Production method for fiber-reinforced component |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018192730A (ja) * | 2017-05-19 | 2018-12-06 | 日産自動車株式会社 | 繊維強化樹脂部材及び該繊維強化樹脂部材の製造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3558618A4 (en) * | 2016-12-23 | 2020-08-12 | Covestro Deutschland AG | PRODUCTION PROCESS OF A MOLDED ARTICLE AND MOLDED ARTICLE THUS PRODUCED |
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KR102497437B1 (ko) * | 2020-11-05 | 2023-02-13 | 동해금속(주) | 하이브리드 금형장치 및 하이브리드 성형방법 |
US11794376B2 (en) * | 2021-03-31 | 2023-10-24 | The Boeing Company | Application of gap fillers during layup of charges of composite material |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH032011A (ja) * | 1989-05-31 | 1991-01-08 | Sumitomo Chem Co Ltd | 繊維強化熱可塑性樹脂成形品の製造方法 |
JPH06328482A (ja) * | 1993-05-25 | 1994-11-29 | Sekisui Chem Co Ltd | 繊維強化熱可塑性樹脂成形体の製造方法 |
JPH11129371A (ja) * | 1997-10-27 | 1999-05-18 | Toray Ind Inc | ホットスタンピングモールド成形品および複合シート |
JP2000343547A (ja) * | 1999-06-07 | 2000-12-12 | Sumitomo Chem Co Ltd | 多層成形品の製造方法 |
JP2005298664A (ja) | 2004-04-12 | 2005-10-27 | Asahi Kasei Chemicals Corp | 樹脂製自動車外装部品 |
JP2007076081A (ja) * | 2005-09-13 | 2007-03-29 | Hirotec Corp | 射出成形方法 |
JP2009051080A (ja) | 2007-08-27 | 2009-03-12 | Tokyo R & D Co Ltd | 織物加飾樹脂製品の成形方法 |
JP2010253938A (ja) | 2009-03-31 | 2010-11-11 | Toray Ind Inc | 一体化成形品の製造方法 |
JP2010274636A (ja) * | 2009-06-01 | 2010-12-09 | Toyota Boshoku Corp | 繊維基材の製造方法 |
JP2014125532A (ja) * | 2012-12-26 | 2014-07-07 | Toray Ind Inc | 繊維強化樹脂シート、成形体、一体化成形品およびそれらの製造方法、ならびに実装部材 |
JP2014138993A (ja) * | 2013-01-21 | 2014-07-31 | Japan Steel Works Ltd:The | 繊維強化された樹脂基材又は樹脂成形体の製造方法及びこの製造方法に使用する可塑化吐出機 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62160216A (ja) * | 1986-01-08 | 1987-07-16 | Mazda Motor Corp | インモ−ルドコ−ト方法及びその装置 |
US4871612A (en) * | 1986-09-05 | 1989-10-03 | Inoue Mtp Kabushiki Kaisha | Interior member for vehicles and method for its manufacture |
JPH074871B2 (ja) * | 1988-08-25 | 1995-01-25 | 日本発条株式会社 | クッション体の製造方法 |
CA2009530A1 (en) | 1989-02-10 | 1990-08-10 | Shohei Masui | Method for producing molded article of fiber-reinforced thermoplastic resin |
EP0423676A3 (en) | 1989-10-16 | 1992-01-08 | Sumitomo Chemical Company, Limited | Method for producing molded article of fiber-reinforced thermoplastic resin |
KR100268595B1 (ko) | 1991-12-18 | 2000-10-16 | 고사이 아끼오 | 섬유 강화 열가소성 수지 성형품 및 그 성형방법 |
WO1995035208A1 (fr) * | 1994-06-17 | 1995-12-28 | Araco Kabushiki Kaisha | Stratifie et procede de fabrication |
US6328920B1 (en) * | 1996-11-27 | 2001-12-11 | Honda Engineering North America, Inc. | Molding process for forming complex shapes |
US8597562B2 (en) * | 2006-03-30 | 2013-12-03 | GM Global Technology Operations LLC | Composite products and methods of making the same |
CN102049883A (zh) * | 2009-10-28 | 2011-05-11 | 瑞鸿复材企业股份有限公司 | 具织物触感的纤维积层体结构及其制备方法 |
US20110104971A1 (en) | 2009-10-29 | 2011-05-05 | Shui Yuan Ma | Fibrous article with fabric-like surface and process of manufacturing same |
EP2502723B1 (de) * | 2011-03-21 | 2020-01-15 | SMP Deutschland GmbH | Verfahren zur Herstellung von faserverstärkten, Anbauelemente umfassenden Innenverkleidungsbauteilen für Kraftfahrzeuge |
-
2013
- 2013-09-06 JP JP2013185771A patent/JP5819896B2/ja active Active
-
2014
- 2014-09-03 CN CN201480049341.6A patent/CN105531101B/zh active Active
- 2014-09-03 WO PCT/JP2014/073250 patent/WO2015033980A1/ja active Application Filing
- 2014-09-03 EP EP14842606.7A patent/EP3042753B1/en active Active
- 2014-09-03 US US14/916,791 patent/US10160166B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH032011A (ja) * | 1989-05-31 | 1991-01-08 | Sumitomo Chem Co Ltd | 繊維強化熱可塑性樹脂成形品の製造方法 |
JPH06328482A (ja) * | 1993-05-25 | 1994-11-29 | Sekisui Chem Co Ltd | 繊維強化熱可塑性樹脂成形体の製造方法 |
JPH11129371A (ja) * | 1997-10-27 | 1999-05-18 | Toray Ind Inc | ホットスタンピングモールド成形品および複合シート |
JP2000343547A (ja) * | 1999-06-07 | 2000-12-12 | Sumitomo Chem Co Ltd | 多層成形品の製造方法 |
JP2005298664A (ja) | 2004-04-12 | 2005-10-27 | Asahi Kasei Chemicals Corp | 樹脂製自動車外装部品 |
JP2007076081A (ja) * | 2005-09-13 | 2007-03-29 | Hirotec Corp | 射出成形方法 |
JP2009051080A (ja) | 2007-08-27 | 2009-03-12 | Tokyo R & D Co Ltd | 織物加飾樹脂製品の成形方法 |
JP2010253938A (ja) | 2009-03-31 | 2010-11-11 | Toray Ind Inc | 一体化成形品の製造方法 |
JP2010274636A (ja) * | 2009-06-01 | 2010-12-09 | Toyota Boshoku Corp | 繊維基材の製造方法 |
JP2014125532A (ja) * | 2012-12-26 | 2014-07-07 | Toray Ind Inc | 繊維強化樹脂シート、成形体、一体化成形品およびそれらの製造方法、ならびに実装部材 |
JP2014138993A (ja) * | 2013-01-21 | 2014-07-31 | Japan Steel Works Ltd:The | 繊維強化された樹脂基材又は樹脂成形体の製造方法及びこの製造方法に使用する可塑化吐出機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018192730A (ja) * | 2017-05-19 | 2018-12-06 | 日産自動車株式会社 | 繊維強化樹脂部材及び該繊維強化樹脂部材の製造方法 |
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