WO2014112644A1 - 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 - Google Patents
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 Download PDFInfo
- Publication number
- WO2014112644A1 WO2014112644A1 PCT/JP2014/051138 JP2014051138W WO2014112644A1 WO 2014112644 A1 WO2014112644 A1 WO 2014112644A1 JP 2014051138 W JP2014051138 W JP 2014051138W WO 2014112644 A1 WO2014112644 A1 WO 2014112644A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- reinforcing fiber
- fiber material
- thermoplastic resin
- melt
- Prior art date
Links
Images
Classifications
-
- 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
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- 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
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
- B29C2043/023—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
- B29C2043/3433—Feeding the material to the mould or the compression means using dispensing heads, e.g. extruders, placed over or apart from the moulds
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Definitions
- the present invention relates to a method for producing a fiber reinforced resin base material or resin molded body in which a reinforced fiber material is impregnated with a thermoplastic resin under pressure, and a plasticizing dispenser used in the production method.
- Fiber reinforced resin with fiber reinforced resin has light weight and high strength, and is used in various sporting goods, building materials, aircraft, etc. Its application to general automobile parts where mass productivity is important has not progressed. However, the development of automobile weight reduction technology has become an important issue due to changes in the social situation where environmental impact reduction is required, and its application to general automobile parts that are expected to use a large amount of fiber reinforced resin is drawing attention. .
- thermoplastic resins have high viscosities, so it is not easy to impregnate reinforcing fiber materials and it is difficult to uniformly impregnate, or there are problems such as bubbles remaining.
- Patent Document 1 a reduced-pressure seal part, a temperature-controllable connection part, and a die in which molten resin is stored are connected in series, and a strip-shaped reinforcing fiber bundle made of a plurality of continuous reinforcing fibers is introduced into the end of the seal part.
- a method for manufacturing a sheet-like prepreg in which a molten resin in a connecting portion and a die is inserted from the mouth and taken from the end of the die. According to this manufacturing method, the resin is uniformly and satisfactorily impregnated and the impregnation time is short.
- Patent Document 2 a sheet-like reinforcing fiber base material and a thermoplastic resin are introduced between a pair of rolls, and the thermoplastic resin melted in the reinforcing fiber base material is impregnated while rotating the pair of rolls.
- a fiber reinforced resin sheet is manufactured, and a metal main roll and a metal pressing roll are used as the pair of rolls, and the pressing roll is pressed against the main roll.
- the fiber reinforced resin sheet that impregnates the thermoplastic resin into the reinforcing fiber base while deforming the peripheral surface of the press roll so that the peripheral surface of the press roll follows the shape of the peripheral surface of the main roll.
- Manufacturing methods have been proposed. According to this manufacturing method, surface pressure, not linear pressure, can be applied to the thermoplastic resin to be impregnated, so that uniform and satisfactory impregnation can be performed without uneven pressure.
- thermoplastic resin layer made of a thermoplastic resin is disposed on one surface of a reinforcing fiber sheet composed of reinforcing fibers made of long fibers, and the thermoplastic resin is placed on the other surface of the reinforcing fiber sheet.
- a method for producing a fiber-reinforced thermoplastic resin has been proposed, which includes an impregnation step of impregnating the thermoplastic fiber into the reinforcing fiber sheet and the mesh sheet.
- thermoplastic resin layer is thickened to reduce the voids, and the excess thermoplastic resin can be transferred to the mesh sheet, so that the fiber content is high and the strength is excellent, and the thermoplastic resin is contained. It is said that the fiber meandering due to the large amount can be suppressed, and furthermore, there can be obtained a fiber reinforced thermoplastic resin having few voids and good impregnation properties.
- thermoplastic resin Since the viscosity of the thermoplastic resin is temperature dependent, temperature control is important for impregnating the reinforcing fiber material with the thermoplastic resin. However, temperature control alone is not sufficient and vacuum or pressurization is used to promote impregnation. In general, in consideration of the scale and workability of the equipment, there is a method using pressurization described in Patent Document 2 or 3 rather than a method using vacuum as in the manufacturing method proposed in Patent Document 1. Excellent.
- Patent Document 1 The method described in Patent Document 1 is limited to the production of resin base materials such as strands and prepregs in which reinforcing fibers are continuous in one direction, and there is a problem that the production of a resin molded body must be performed separately.
- the manufacturing method proposed in Patent Document 2 can apply a surface pressure to the impregnated thermoplastic resin instead of a linear pressure, but applies a surface pressure using elastic deformation of the peripheral surface of the press roll. It is not easy to apply a uniform surface pressure to a sufficient range.
- the manufacturing method described in Patent Document 3 can perform uniform pressurization in a sufficient range because pressurization is performed by a heat press and a double belt.
- the manufacturing method described in Patent Document 3 has a problem in equipment or workability because the thermoplastic resin layer supplied in a solid state must first be uniformly melted, and a reticulated sheet is indispensable.
- the body shape may be limited.
- the present invention is capable of effectively impregnating a reinforcing fiber material with a thermoplastic resin, and is a fiber-reinforced resin substrate or resin molding that is highly productive and economical. It aims at providing the manufacturing method of a body, and the plasticizing discharge machine used for this manufacturing method.
- a method for producing a resin base material or resin molded body according to the present invention is a method for producing a fiber reinforced resin base material or resin molded body obtained by impregnating a reinforcing fiber material with a thermoplastic resin, The reinforcing fiber material is placed on a thermoplastic resin melt, the reinforcing fiber material is pressurized, the molten thermoplastic resin is impregnated in the reinforcing fiber material, and then the molten thermoplastic resin is impregnated. Cool and solidify the reinforced fiber material.
- the thermoplastic resin melt may be a coating film, and when pressurizing the reinforcing fiber material placed on the thermoplastic resin melt, the resin pressure is applied to the side of the reinforcing fiber material. It is good to pressurize so that it may act.
- the reinforcing fiber material can be formed by laminating the same or different materials, and the material can be formed from carbon fiber.
- the resin base material or the resin molded body includes a receiving member that holds the melt, a pressurizing unit that pressurizes the reinforcing fiber material via a pressurizer provided with unevenness or grooves for air venting, and the melt It can be suitably manufactured by a plasticizing discharge machine having a T die that forms a body.
- the pressurizing means may include a vacuum means communicating with the concavo-convex portion or groove portion for venting the pressurized body. Moreover, it is good to have a heating means for heating the reinforcing fiber material.
- the method for producing a fiber-reinforced resin base material or resin molded body comprises placing a reinforcing fiber material on a melt obtained from a thermoplastic resin containing reinforcing fibers, and the reinforcing fiber material.
- a layer having a high fiber content is obtained by impregnating the reinforcing fiber material with the molten thermoplastic resin by pressurizing and then cooling and solidifying the reinforcing fiber material impregnated with the molten thermoplastic resin. It is possible to manufacture a resin base material or a resin molded body formed by laminating layers.
- the present invention it is possible to effectively impregnate a reinforcing fiber material with a thermoplastic resin, and a fiber-reinforced resin base material with high productivity and economy, a method for manufacturing a resin molded body, and this manufacturing method It is possible to provide a plasticizing dispenser used for the above.
- FIG. 1 is an explanatory view of a method for producing a resin substrate or a resin molded body according to the present invention.
- FIG. 2 is an explanatory view of an example of impregnation by applying a resin pressure to the side surface of the reinforcing fiber material.
- FIG. 3 is an explanatory view of another example in which the side surface of the reinforcing fiber material is impregnated by applying resin pressure, FIG. 3 (a) shows a state before the upper mold is moved, and FIG. 3 (b) The upper die is in contact with the lower die.
- FIG. 4 is an explanatory view of a means for exhausting air discharged from the reinforcing fiber material by a vacuum means.
- FIG. 1 is an explanatory view of a method for producing a resin substrate or a resin molded body according to the present invention.
- FIG. 2 is an explanatory view of an example of impregnation by applying a resin pressure to the side surface of the reinforcing fiber material.
- FIG. 5 is a schematic view of a mold having a vacuum means that can impregnate the side surfaces of the reinforcing fiber material by applying a resin pressure.
- FIG. 6A and FIG. 6B are explanatory diagrams of a method for producing a resin base material or a resin molded body in which layers having a high fiber content are laminated.
- FIG. 1 is an explanatory view of a method for producing a resin substrate or a resin molded body according to the present invention.
- the method for producing a resin base material or resin molded body according to the present invention is a method for producing a fiber reinforced resin base material or resin molded body obtained by impregnating a reinforcing fiber material with a thermoplastic resin.
- a reinforcing fiber material 1 is placed on the melt 2 in which the thermoplastic resin is melted, and is pressed from the upper surface of the reinforcing fiber material 1 by the upper mold 4.
- the reinforcing fiber material 1 is impregnated.
- the impregnated reinforcing fiber material 1 is cooled and solidified to produce a resin base material or resin molded body impregnated with a thermoplastic resin and fiber reinforced.
- the reinforcing fiber material 1 may be a reinforcing fiber bundle, a reinforcing fiber fabric, or the like, and the form is not particularly limited. Further, the reinforcing fiber material 1 can be formed by laminating the same or different materials.
- the material of the reinforcing fiber material 1 can include various fibers such as carbon fiber, ceramic fiber, and glass fiber, and is not particularly limited. However, the present invention is preferably used for the reinforcing fiber material 1 made of carbon fiber or the like having a high thermal conductivity that makes it difficult to impregnate when the molten thermoplastic resin comes into contact with it. Can do.
- Carbon fibers are generally processed into strands (strands, reinforcing fiber bundles) of 1000 (1k) or more, for example, 1k to 24k, single fibers having an outer diameter of 4 to 10 ⁇ m.
- the reinforcing fiber bundle is arranged into warp and weft and processed into a reinforcing fiber fabric, or cut into a predetermined length and processed into chopped fibers or the like.
- such a reinforcing fiber bundle of carbon fibers, a reinforcing fiber fabric or chopped fiber, or a mat-like fiber obtained by opening and laminating fibers can be used as the reinforcing fiber material 1.
- thermoplastic resin is not particularly limited.
- various resins such as polyethylene resin, polypropylene resin, polyethylene terephthalate resin, polystyrene resin, and polycarbonate resin, or various grades of thermoplastic resins can be used.
- the melt 2 of the thermoplastic resin can be formed by a coating film in which the molten thermoplastic resin is applied to the lower mold 3 as shown in FIG.
- the melt 2 can be formed by applying a molten thermoplastic resin to a melt bath 5 provided in the lower mold 3 as shown in FIG.
- the melt 2 having a thickness of 0.05 mm to 20 mm can be suitably formed.
- the melt 2 may have a thickness of 20 mm to 100 mm.
- the reinforcing fiber material 1 is placed on such a melt 2. Since the melt 2 is viscous, the reinforcing fiber material 1 is generally placed on a predetermined position of the melt 2. Next, the reinforcing fiber material 1 is pressurized by the upper mold 4. The pressurization of the reinforcing fiber material 1 is preferably performed until the reinforcing fiber material 1 completely impregnates the melt 2.
- the applied pressure can be 0.1 to 15 MPa.
- the applied pressure is generally 1 to 10 MPa, and is a necessary pressure in consideration of the elastic modulus of the reinforcing fiber material 1.
- the range of pressurization, the direction of pressurization, or the pattern of pressurization (pressurization speed, time, applied pressure and temperature) for the reinforcing fiber material 1 varies depending on the target reinforcing fiber material 1 and the thermoplastic resin. be able to.
- the pressurization can be performed at a reduced pressure or a reduced pressure at a stage during the impregnation of the melt 2 into the reinforcing fiber material 1 or at a cooling / solidification stage after the impregnation.
- the molten resin forming the melt 2 is impregnated upward from the bottom portion of the reinforcing fiber material 1, and remains in the reinforcing fiber material 1 as the impregnation progresses.
- the air is replaced with molten resin and discharged to the outside. There is little movement of the melt 2 in the horizontal direction.
- the resin pressure can be applied to the side surface of the reinforcing fiber material 1, and the impregnation of the molten resin into the reinforcing fiber material 1 and the discharge of air are promoted.
- the resin pressure can be applied to the side surface of the reinforcing fiber material 1 also by the method shown in FIGS. 3 (a) and 3 (b). That is, in this example, a side frame 7 is provided on the upper mold 4, and the side frame 7 moves up and down together with the upper mold 4 during normal operation (FIG. 3A), and the lower surface of the side frame 7 is the lower mold. After coming into contact with the mold 3, the molten bath 5 is formed by the side frame 7 and the lower mold 3 (FIG. 3B). Therefore, the molten thermoplastic resin is applied to the lower mold 3 to form the melt 2, and the upper mold 4 is lowered to press the reinforcing fiber material 1 to press the resin pressure on the side of the reinforcing fiber material 1. The thermoplastic resin can be impregnated while acting. Unlike the mold shown in FIGS. 3A and 3B, a mold structure having a side frame 7 on the lower mold side may be used.
- the pressurization of the reinforcing fiber material 1 is preferably performed through a pressurizing body having an unevenness or groove for venting air. Thereby, the air remaining in the reinforcing fiber material 1 can be efficiently discharged.
- the reinforcing fiber material 1 can be pressurized through a convex portion 8 provided on the upper mold 4.
- the convex portion 8 forms a pressurizing body.
- the pressurizing body may be formed from the upper die 4 provided with a recess or a groove, or may be separate from the upper die 4 instead of being integrated.
- a wire mesh can be used as a pressurizing body.
- the pressurizing body may be provided with a vacuum means communicating with the air vent irregularities or grooves.
- a vacuum means communicating with the air vent irregularities or grooves.
- vacuum means 9 communicating with the space between the convex portions 8 is provided.
- the air can be efficiently exhausted from the reinforcing fiber material 1 and the impregnation can be performed while the resin pressure is applied to the side surface of the reinforcing fiber material 1.
- a melting bath 5 is formed by the lower mold 3 and the slide mold 15 supported by the spring 16, and a vacuum space is formed by the upper mold 4, the lower mold 3, the slide mold 15 and the packing 17. It is like that. While the vacuum means 9 is evacuated, the upper mold 4 is lowered and the reinforcing fiber material 1 is pressurized to impregnate the melt 2 to produce a dense and high-quality resin base material or resin molded body. be able to.
- the melt 2 is formed by applying a molten thermoplastic resin
- a plasticizer having a T die can suitably control the capacity of the resin to be supplied or the thickness of the resin to be supplied to the upper surface of the lower mold 3, and the required melt 2 can be formed easily and quickly.
- the plasticizing / discharging machine may be any means capable of plasticizing and discharging the resin. For example, an extruder, an injection machine, a plunger machine, or the like can be used.
- the temperature of the reinforcing fiber material 1 placed on the melt 2 formed by the T-die should be -100 ° C or higher and + 100 ° C or lower of the discharge temperature of the molten resin discharged from the T-die discharge port. Good. By maintaining the reinforced fiber material 1 at a temperature in this range, it is difficult to impregnate the reinforced fiber material 1 due to a decrease in the temperature of the melt 2 even if the reinforced fiber material 1 has a high thermal conductivity such as carbon fiber. Can be blocked. Since the viscosity of the thermoplastic resin changes logarithmically with respect to temperature, the temperature management of the reinforcing fiber material 1 is important.
- the temperature of the reinforcing fiber material 1 is preferably set to be equal to or higher than the heat distortion temperature of the thermoplastic resin. Thereby, an increase in the viscosity of the thermoplastic resin in contact with the reinforcing fiber material 1 can be suppressed, and a decrease in the impregnation performance of the thermoplastic resin can be suppressed.
- the heating means is preferably one by far infrared heating, one by induction heating, or one by laser heating. Thereby, the reinforcing fiber material 1 can be efficiently heated.
- the mold has a large heat capacity, and it is necessary to cool the reinforcing fiber material 1 impregnated with resin. Therefore, in order to efficiently perform cooling, it is preferable to separately provide a heating means for heating the reinforcing fiber material 1.
- the heating of the reinforcing fiber material 1 can be performed before the reinforcing fiber material 1 is placed on the melt 2 or until the pressurization is started after the mold is closed. Further, the heating range of the reinforcing fiber material 1, the attachment position of the heating means, and the like can be determined as appropriate.
- the reinforcing fiber material 1 impregnated with the melt 2 made of the above-mentioned thermoplastic resin is cooled and solidified. And the fiber reinforced resin base material or resin molding is manufactured.
- a resin molding can be manufactured.
- a resin molded body means what was shape
- the resin base material is a material that is molded and processed using this as a raw material.
- a resin base material or a resin molded body having a high fiber content can be produced according to the following method. That is, this method uses a melt in which reinforcing fibers are contained in advance. 6 (a) and 6 (b), a reinforcing fiber material 1 is placed on a melt 21 made of a thermoplastic resin containing reinforcing fibers, and the reinforcing fiber material 1 is pressurized. Then, after impregnating the reinforcing fiber material 1 with the molten resin contained in the melt 21, the impregnated reinforcing fiber material 1 is cooled and solidified.
- the fiber to be contained in the melt 21 is, for example, a short fiber having a length of 0.5 mm to 30 mm in the case of carbon fiber.
- the melt 21 containing such carbon fibers can be supplied with a carbon fiber volume content (Vf) of up to about 40% by a plasticizing discharger. Since the carbon fiber contained in the melt 21 is impregnated into the reinforcing fiber material 1 together with the thermoplastic resin during pressing, according to the present invention, a fiber reinforced resin in which layers having a high fiber content are laminated. A base material or a resin molding can be manufactured.
- the melt does not necessarily have to be applied to the upper surface of the lower mold.
- coated to predetermined receiving members, such as a resin-made or metal board, may be sufficient.
- the receiving member may be one that forms a part of the product integrally with the molded resin base material or resin molded body.
- Example 1 Using a mold shown in FIG. 6 (a) and a plasticizing dispenser having a T die, a resin base material molding test was conducted.
- the reinforcing fiber material was a laminate of 10 mats 10 cm long x 15 cm wide x 0.2 cm thick.
- the mat used was a carbon fiber cut to 15 mm length, spread and dispersed, and then laminated.
- a polyamide resin was used as the thermoplastic resin. After the upper and lower mold temperatures were heated to 280 ° C, a resin containing 20 vol% of carbon fibers with a fiber length of 8 mm was melted at 280 ° C and applied to the heated lower mold, and then the press Molding was performed by applying pressure under the conditions of 6 MPa and pressurizing time of 3 min.
- Example 2 Using a mold shown in FIG. 3 and a plasticizing dispenser having a T die, a resin base material molding test was conducted.
- the reinforcing fiber material was a laminate of 15 mats 10 cm long x 15 cm wide x 0.2 cm thick.
- the mat used was a carbon fiber cut to 15 mm length, spread and dispersed, and then laminated.
- a polyamide resin was used as the thermoplastic resin. After the upper and lower mold temperatures were heated to 280 ° C, the above resin was melted at 280 ° C and applied onto the heated lower mold, and then the pressurizing pressure was 6 MPa and the pressurizing time was 3 min. Was molded.
- Example 3 Using a mold shown in FIG. 6 (a) and a plasticizing dispenser having a T die, a resin base material molding test was conducted.
- the reinforcing fiber material was a laminate of 10 mats 10 cm long x 15 cm wide x 0.2 cm thick.
- the mat used was a carbon fiber cut to 15 mm length, spread and dispersed, and then laminated.
- a polyamide resin was used as the thermoplastic resin.
- a resin containing 20 vol% of carbon fibers with a fiber length of 8 mm was melted at 280 ° C and applied to the heated lower mold, and then the press Molding was performed by applying pressure under the conditions of 6 MPa and pressurizing time of 3 min.
- a good resin molded body in which the carbon fiber volume content in the mat portion was 50% on average and the carbon fiber content in the coated portion was 30% on average and the carbon fiber was impregnated with the resin was obtained.
- Table 1 summarizes the characteristics of the resin moldings obtained by the molding tests of Examples 1 to 3 described above.
- the bending test conformed to JIS K7074.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
図6(a)に示す金型と、Tダイを有する可塑化吐出機を使用して樹脂基材の成形試験を行った。強化繊維素材は、縦10cm×横15cm×厚さ0.2cmのマット10枚を積層させたものであった。マットは、炭素繊維を15mm長に切断し、開繊分散させた後に積層させたものを使用した。熱可塑性樹脂は、ポリアミド樹脂を使用した。上下金型温度を280℃に加熱した後に、繊維長8mmの炭素繊維20vol%を含むペレットを溶融させた樹脂を280℃で溶融させ上記樹脂を加熱した下金型上に塗布した後、プレスの加圧力を6MPa、プレスの加圧時間を3minの条件で加圧して成形を行った。上記成形試験により、樹脂成形体の厚みが1.6mmで、炭素繊維体積含有率38%、曲げ強さ480MPa、曲げ弾性率29GPaの炭素繊維に樹脂が含浸した良好な樹脂成形体が得られた。
図3に示す金型と、Tダイを有する可塑化吐出機を使用して樹脂基材の成形試験を行った。強化繊維素材は、縦10cm×横15cm×厚さ0.2cmのマット15枚を積層させたものであった。マットは、炭素繊維を15mm長に切断し、開繊分散させた後に積層させたものを使用した。熱可塑性樹脂は、ポリアミド樹脂を使用した。上下金型温度を280℃に加熱した後に、280℃で溶融させ上記樹脂を加熱した下金型上に塗布した後、プレスの加圧力を6MPa、プレスの加圧時間を3minの条件で加圧して成形を行った。上記成形試験により、樹脂成形体の厚みが1.6mmで、炭素繊維体積含有率48%、曲げ強さ540MPa、曲げ弾性率33GPaの炭素繊維に樹脂が含浸した良好な樹脂成形体が得られた。
図6(a)に示す金型と、Tダイを有する可塑化吐出機を使用して樹脂基材の成形試験を行った。強化繊維素材は、縦10cm×横15cm×厚さ0.2cmのマット10枚を積層させたものであった。マットは、炭素繊維を15mm長に切断し、開繊分散させた後に積層させたものを使用した。熱可塑性樹脂は、ポリアミド樹脂を使用した。上下金型温度を280℃に加熱した後に、繊維長8mmの炭素繊維20vol%を含むペレットを溶融させた樹脂を280℃で溶融させ上記樹脂を加熱した下金型上に塗布した後、プレスの加圧力を6MPa、プレスの加圧時間を3minの条件で加圧して成形を行った。上記成形試験により、マット部の炭素繊維体積含有率は平均で50%、塗布部の炭素繊維含有率は、平均30%で炭素繊維に樹脂が含浸した良好な樹脂成形体が得られた。
2 溶融体
3 下金型
4 上金型
5 溶融浴
7 サイド枠
8 凸部
9 真空手段
15 スライド型
16 バネ
17 パッキン
21 溶融体
31 下金型
Claims (10)
- 強化繊維素材に熱可塑性樹脂を含浸させて得られる繊維強化された樹脂基材又は樹脂成形体を製造する方法であって、
前記熱可塑性樹脂の溶融体上に前記強化繊維素材を載置して前記強化繊維素材を加圧し、溶融した前記熱可塑性樹脂を前記強化繊維素材に含浸させた後、溶融した前記熱可塑性樹脂を含浸させた強化繊維素材を冷却・固化する樹脂基材又は樹脂成形体を製造する方法。 - 前記熱可塑性樹脂の溶融体は、塗膜である、請求項1に記載の樹脂基材又は樹脂成形体を製造する方法。
- 前記熱可塑性樹脂の溶融体上に載置された強化繊維素材を加圧する際に、前記強化繊維素材の側面に樹脂圧が作用するように加圧する、請求項1又は請求項2に記載の樹脂基材又は樹脂成形体を製造する方法。
- 前記強化繊維素材の加圧は、空気抜き用の凹凸又は溝を設けた加圧体を介して行う、請求項1~請求項3のいずれか一項に記載の樹脂基材又は樹脂成形体を製造する方法。
- 強化繊維素材は、同種又は異種の素材を積層して形成されるものである、請求項1~請求項4のいずれか一項に記載の樹脂基材又は樹脂成形体を製造する方法。
- 強化繊維素材は、炭素繊維から形成されるものである、請求項1~請求項5のいずれか一項に記載の樹脂基材又は樹脂成形体を製造する方法。
- 熱可塑性樹脂の溶融体を保持する受部材と、空気抜き用の凹凸又は溝を設けた加圧体を介して強化繊維素材を加圧する加圧手段と、前記溶融体を形成するTダイと、を有する可塑化吐出機。
- 前記加圧手段は、前記加圧体の空気抜き用の凹凸部又は溝部に連通する真空手段を有する、請求項7に記載の可塑化吐出機。
- 前記強化繊維素材を加熱する加熱手段を有する、請求項7又は請求項8に記載の可塑化吐出機。
- 強化繊維を含有した熱可塑性樹脂から得られる溶融体上に強化繊維素材を載置し、前記強化繊維素材を加圧して溶融した前記熱可塑性樹脂を前記強化繊維素材に含浸させた後、溶融した前記熱可塑性樹脂を含浸させた強化繊維素材を冷却・固化し、繊維含有率の高い層が積層されて形成される繊維強化された樹脂基材又は樹脂成形体を製造する方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/762,070 US10442143B2 (en) | 2013-01-21 | 2014-01-21 | Manufacturing method for fibre-reinforced resin substrate or resin molded article |
EP14741094.8A EP2946903B1 (en) | 2013-01-21 | 2014-01-21 | Manufacturing method for fibre-reinforced resin substrate or resin molded article |
CN201480005526.7A CN105121115A (zh) | 2013-01-21 | 2014-01-21 | 纤维强化的树脂基材或树脂成形体的制造方法以及该制造方法中使用的塑化吐出机 |
KR1020157022663A KR101684821B1 (ko) | 2013-01-21 | 2014-01-21 | 섬유 강화된 수지 기재 또는 수지 성형체의 제조 방법 및 이 제조 방법에 사용하는 가소화 토출기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013008834A JP5761867B2 (ja) | 2013-01-21 | 2013-01-21 | 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 |
JP2013-008834 | 2013-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014112644A1 true WO2014112644A1 (ja) | 2014-07-24 |
Family
ID=51209729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/051138 WO2014112644A1 (ja) | 2013-01-21 | 2014-01-21 | 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 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10442143B2 (ja) |
EP (1) | EP2946903B1 (ja) |
JP (1) | JP5761867B2 (ja) |
KR (1) | KR101684821B1 (ja) |
CN (2) | CN109228408B (ja) |
WO (1) | WO2014112644A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107249882A (zh) * | 2015-02-27 | 2017-10-13 | 东丽株式会社 | 树脂供给材料、增强纤维的使用方法、预成型体、及纤维增强树脂的制造方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5819896B2 (ja) * | 2013-09-06 | 2015-11-24 | 株式会社日本製鋼所 | 繊維強化部材の製造方法 |
JP6339661B2 (ja) * | 2014-03-11 | 2018-06-13 | 帝人株式会社 | マーキングされた複合材料およびその製造方法 |
KR102361297B1 (ko) * | 2016-05-20 | 2022-02-10 | 주식회사 성우하이텍 | 복합소재 성형체 및 이의 성형방법 |
JP7458775B2 (ja) * | 2019-12-24 | 2024-04-01 | デクセリアルズ株式会社 | 熱伝導性成形体の製造方法 |
TW202202309A (zh) | 2020-05-06 | 2022-01-16 | 義大利商沙克米機械合作伊莫拉公司 | 用於藉由壓縮模製技術製造物件之設備及方法 |
CN115257012B (zh) * | 2022-08-15 | 2023-10-27 | 博材智能科技(东台)有限公司 | 一种碳纤维复合材料的热压成型装置 |
CN115891206B (zh) * | 2022-12-23 | 2024-06-11 | 中国科学院福建物质结构研究所 | 一种碳纤维复合材料加工设备 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05338049A (ja) * | 1992-06-04 | 1993-12-21 | Showa Denko Kk | 繊維強化気泡入り樹脂構造体の製造方法 |
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 |
JPH06339997A (ja) * | 1993-05-31 | 1994-12-13 | Yokohama Rubber Co Ltd:The | 三次元織物を使用した繊維強化プラスチックパネルの製造方法 |
JPH09136330A (ja) * | 1995-11-14 | 1997-05-27 | Yamakawa Ind Co Ltd | 複合成形品、その製造方法および製造装置 |
JP2010184497A (ja) * | 2010-03-29 | 2010-08-26 | Toray Ind Inc | 耐衝撃性繊維強化プラスチック及び多層構造体 |
JP2011143609A (ja) * | 2010-01-14 | 2011-07-28 | Toray Ind Inc | インサート部品を有する繊維強化樹脂部材の製造方法 |
JP2011224866A (ja) | 2010-04-20 | 2011-11-10 | Mitsubishi Rayon Co Ltd | 繊維強化熱可塑性樹脂の製造方法、該製造方法により得られた繊維強化熱可塑性樹脂およびこれを用いた成形品 |
JP2012016857A (ja) | 2010-07-07 | 2012-01-26 | Toray Ind Inc | シート状プリプレグの製造方法および装置 |
JP2012110935A (ja) | 2010-11-25 | 2012-06-14 | Toyota Motor Corp | 繊維強化樹脂シートの製造装置及びその製造方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4120632A (en) * | 1972-01-12 | 1978-10-17 | Klepper-Werke Kommanditgesellschaft | Molds for production of plastics material boats |
US4385955A (en) * | 1981-09-08 | 1983-05-31 | Detroit Gasket | Method of forming contoured fiberglass sheet |
JPS62103603A (ja) * | 1985-07-23 | 1987-05-14 | Asahi Glass Co Ltd | フアイバ−アレイプレ−ト |
JP2917372B2 (ja) * | 1990-03-09 | 1999-07-12 | 住友化学工業株式会社 | 繊維強化熱可塑性樹脂成形品の製造方法 |
JPH07285B2 (ja) * | 1990-03-23 | 1995-01-11 | 株式会社日阪製作所 | 多孔質素材の真空加圧含浸方法およびそれに用いる装置 |
FR2713979B1 (fr) | 1993-12-21 | 1996-03-15 | Aerospatiale | Procédé et dispositif de fabrication de pièces stratifiées injectées basse pression, notamment à emboutis profonds. |
JPH07195312A (ja) * | 1993-12-29 | 1995-08-01 | Nippon Seikei Kk | 合成樹脂液含浸木材の圧締加工方法 |
JP2862790B2 (ja) * | 1994-04-07 | 1999-03-03 | 池田物産株式会社 | 車両用成形天井基材の型構造 |
JPH0857882A (ja) * | 1994-08-23 | 1996-03-05 | Toa Boshoku Kk | 成形複合材及びその製造方法 |
JP3308466B2 (ja) * | 1997-05-15 | 2002-07-29 | 株式会社林技術研究所 | 自動車内装材 |
US6132669A (en) * | 1997-08-14 | 2000-10-17 | The Elizabeth And Sandor Valyi Foundation, Inc. | Process for preparing a molded article |
DE19955171A1 (de) * | 1999-11-16 | 2001-05-17 | Ver Foerderung Inst Kunststoff | Verfahren und Vorrichtung zur Abführung gasförmiger und flüssiger Substanzen bei der Herstellung von Formteilen aus Reaktionsharzen und reaktiven Schaumsystemen |
JP4324649B2 (ja) | 2001-11-28 | 2009-09-02 | 福井県 | 繊維強化熱可塑性樹脂シート及びそれを用いた構造材並びに繊維強化熱可塑性樹脂シートの製造方法 |
JP2005319683A (ja) * | 2004-05-10 | 2005-11-17 | Murata Mach Ltd | Frp圧力容器用樹脂含浸装置 |
JP4439361B2 (ja) * | 2004-09-14 | 2010-03-24 | 三菱エンジニアリングプラスチックス株式会社 | 長繊維強化熱可塑性樹脂製外装成形体 |
US20060220273A1 (en) * | 2005-03-29 | 2006-10-05 | Armstrong Bradford D | Process for compression moulding liquid resins with structural reinforcements |
CA2678142C (en) * | 2007-03-29 | 2011-12-13 | Toho Tenax Co., Ltd. | Fiber-reinforced prepreg and composite materials made from the same |
GB2465159B (en) * | 2008-11-05 | 2013-04-17 | Aston Martin Lagonda Ltd | Manufacture of a structural composites component |
US8815368B2 (en) * | 2010-02-15 | 2014-08-26 | Mark Neitzke | Composite sheet having a core having end walls and a mat with fibers |
DE112011105014B4 (de) * | 2011-03-08 | 2014-11-20 | Toyota Jidosha Kabushiki Kaisha | Verfahren zum Herstellen eines faserverstärkten Kunstharzteils |
CN102615839A (zh) * | 2012-03-27 | 2012-08-01 | 华东理工大学 | 连续纤维增强热塑性预浸带编织物及其板材的制备方法 |
-
2013
- 2013-01-21 JP JP2013008834A patent/JP5761867B2/ja active Active
-
2014
- 2014-01-21 CN CN201810833474.2A patent/CN109228408B/zh active Active
- 2014-01-21 US US14/762,070 patent/US10442143B2/en active Active
- 2014-01-21 CN CN201480005526.7A patent/CN105121115A/zh active Pending
- 2014-01-21 EP EP14741094.8A patent/EP2946903B1/en active Active
- 2014-01-21 KR KR1020157022663A patent/KR101684821B1/ko active IP Right Grant
- 2014-01-21 WO PCT/JP2014/051138 patent/WO2014112644A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05338049A (ja) * | 1992-06-04 | 1993-12-21 | Showa Denko Kk | 繊維強化気泡入り樹脂構造体の製造方法 |
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 |
JPH06339997A (ja) * | 1993-05-31 | 1994-12-13 | Yokohama Rubber Co Ltd:The | 三次元織物を使用した繊維強化プラスチックパネルの製造方法 |
JPH09136330A (ja) * | 1995-11-14 | 1997-05-27 | Yamakawa Ind Co Ltd | 複合成形品、その製造方法および製造装置 |
JP2011143609A (ja) * | 2010-01-14 | 2011-07-28 | Toray Ind Inc | インサート部品を有する繊維強化樹脂部材の製造方法 |
JP2010184497A (ja) * | 2010-03-29 | 2010-08-26 | Toray Ind Inc | 耐衝撃性繊維強化プラスチック及び多層構造体 |
JP2011224866A (ja) | 2010-04-20 | 2011-11-10 | Mitsubishi Rayon Co Ltd | 繊維強化熱可塑性樹脂の製造方法、該製造方法により得られた繊維強化熱可塑性樹脂およびこれを用いた成形品 |
JP2012016857A (ja) | 2010-07-07 | 2012-01-26 | Toray Ind Inc | シート状プリプレグの製造方法および装置 |
JP2012110935A (ja) | 2010-11-25 | 2012-06-14 | Toyota Motor Corp | 繊維強化樹脂シートの製造装置及びその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2946903A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107249882A (zh) * | 2015-02-27 | 2017-10-13 | 东丽株式会社 | 树脂供给材料、增强纤维的使用方法、预成型体、及纤维增强树脂的制造方法 |
CN107249882B (zh) * | 2015-02-27 | 2020-06-23 | 东丽株式会社 | 树脂供给材料、增强纤维的使用方法、预成型体、及纤维增强树脂的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2946903A1 (en) | 2015-11-25 |
JP2014138993A (ja) | 2014-07-31 |
KR20150110699A (ko) | 2015-10-02 |
EP2946903B1 (en) | 2021-03-31 |
US20160001510A1 (en) | 2016-01-07 |
KR101684821B1 (ko) | 2016-12-08 |
JP5761867B2 (ja) | 2015-08-12 |
CN109228408B (zh) | 2021-04-16 |
CN105121115A (zh) | 2015-12-02 |
US10442143B2 (en) | 2019-10-15 |
EP2946903A4 (en) | 2016-10-12 |
CN109228408A (zh) | 2019-01-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5761867B2 (ja) | 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 | |
JP6721042B2 (ja) | プリプレグシート、その製造方法、表皮材付き単位層、繊維強化複合材料成形品の製造方法、及び繊維強化複合材料成形品 | |
CN104812556B (zh) | 用于形成成形的预成型物的方法 | |
JP5459005B2 (ja) | プレス成形方法およびその成形体 | |
US10099432B2 (en) | Manufacturing method for fiber-reinforced resin sheet and manufacturing device therefor | |
JP5767415B1 (ja) | 加飾成形品の製造方法および加飾成形品 | |
JPWO2013008720A1 (ja) | 熱可塑性樹脂プリプレグ、それを用いた予備成形体および複合成形体、ならびにそれらの製造方法 | |
JP2013202890A (ja) | 成形材料とその製造方法 | |
JP2014004797A (ja) | 成形用複合材及びその製造方法 | |
JP2012213946A (ja) | 成形品の製造方法および成形品 | |
CN103958142A (zh) | 预成形件的制造方法和纤维强化塑料成形体的制造方法 | |
KR101961103B1 (ko) | 탄소섬유 원단과 금속 그물 구조물을 밀착가공한 탄소섬유 원단 프리프레그 및 그 제조방법 | |
JP6230083B1 (ja) | 繊維強化樹脂成形品の製造方法及び脱型方法 | |
EP3960796A1 (en) | Method for manufacturing molded article of fiber-reinforced composite material, reinforcing fiber substrate and molded article of fiber-reinforced composite material | |
JP6656702B1 (ja) | 繊維強化樹脂成形品の製造方法 | |
CN202498800U (zh) | 连续纤维增强聚丙烯发泡板材 | |
JP5598931B2 (ja) | 繊維強化された樹脂基材、樹脂成形体の製造方法及びその実施のための樹脂加工機 | |
CN102848560A (zh) | Pp发泡板、成型方法、聚丙烯发泡板材及成型方法 | |
JP7220448B2 (ja) | 繊維強化複合材の製造方法 | |
JPH09234751A (ja) | 繊維強化熱可塑性樹脂シートの製造方法 | |
JP6874876B2 (ja) | シートモールディングコンパウンド | |
JP7139296B2 (ja) | 繊維強化樹脂複合成形体とその製造方法 | |
JP2018127574A (ja) | シートモールディングコンパウンドの製造方法 | |
JP2018027625A (ja) | 繊維強化樹脂を成形する成形加工方法 | |
JP2017113956A (ja) | 繊維強化熱可塑性樹脂の成形方法、及び成形品 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14741094 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2014741094 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20157022663 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14762070 Country of ref document: US |