WO2014069110A1 - 樹脂積層体の製造方法及び製造装置 - Google Patents
樹脂積層体の製造方法及び製造装置 Download PDFInfo
- Publication number
- WO2014069110A1 WO2014069110A1 PCT/JP2013/074693 JP2013074693W WO2014069110A1 WO 2014069110 A1 WO2014069110 A1 WO 2014069110A1 JP 2013074693 W JP2013074693 W JP 2013074693W WO 2014069110 A1 WO2014069110 A1 WO 2014069110A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- manifold
- resin
- resin layer
- foamed
- foamed resin
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/24—Making multilayered 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- 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
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- 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
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- 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
- B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
Definitions
- the present invention relates to a method for producing a resin laminate including a foamed resin layer, and more particularly, to a method and an apparatus for producing a resin laminate in which at least one foamed resin layer is laminated with a non-foamed resin layer.
- Patent Document 1 a foamable resin composition containing a thermoplastic resin and a foaming agent is extruded from a mold and molded. Here, the foaming agent is decomposed by heating in the mold. Therefore, bubbles generated by the decomposition of the foaming agent are formed.
- Patent Document 2 also discloses a method of extruding a foamable resin composition containing a thermoplastic resin composition and a foaming agent.
- An object of the present invention is to provide a method for producing a resin laminate, which can efficiently produce a resin laminate having a foamed resin layer, a foamed resin layer, and a non-foamed resin layer using a single mold, and It is providing the manufacturing apparatus of the resin laminated body which enables the manufacturing method of this resin laminated body.
- the method for producing a resin laminate according to the present invention is a method for producing a resin laminate having a foamed resin layer and a non-foamed resin layer, and having at least one foamed resin layer.
- the production method of the present invention includes a first manifold for supplying an unfoamed foamable resin composition in a molten state, a second manifold for forming the non-foamed resin layer, A foamable resin composition is supplied to the first manifold of a multi-manifold mold having a joining and laminating portion connected downstream of a manifold portion having a second manifold, and a non-foamed resin is supplied to the second manifold.
- the foamed resin layer after foaming is cooled so as to maintain the foamed resin layer in a foamed state before reaching the merged and laminated portion.
- the resin laminate is cooled to a temperature lower than the melting point of the resin constituting the foamed resin layer.
- a plurality of non-foamed resin layers are laminated on the foamed resin layer using a plurality of the second manifolds.
- the non-foamed resin layer is laminated on both surfaces of the foamed resin layer.
- the resin laminate obtained by joining and laminating the non-foamed resin layer and the foamed resin layer is supplied to a sizing die,
- the method further includes a step of smoothing the surface of the resin laminate and efficiently cooling the resin laminate.
- the foamable resin composition is a resin composition containing a thermoplastic resin and a cell nucleating agent, and relative to 100 parts by weight of the thermoplastic resin. And 0.1 to 10 parts by weight of a cell nucleating agent.
- the foamable resin composition is a resin composition containing a thermoplastic resin and a crosslinking component, and is based on 100 parts by weight of the thermoplastic resin. 0.5 to 40 parts by weight of a crosslinking component is contained.
- the resin laminate manufacturing apparatus includes a multi-manifold portion arranged on the upstream side, and a merging and laminating portion arranged on the downstream side of the multi-manifold portion.
- the apparatus further includes a sizing die for performing surface shaping on the resin laminate, which is arranged to be connected to the downstream side of the merge and the laminate.
- the multi-manifold portion has a first manifold for supplying a foamable resin composition and a second manifold for supplying a second resin composition for constituting a non-foamed resin layer.
- the merging and laminating part is connected to the downstream side of the multi-manifold part in the multi-manifold mold.
- an internal space is provided in which the first manifold and the second manifold merge and the foamed resin layer and the non-foamed resin layer are laminated.
- the merge is more than the dimension along the thickness direction of the resin laminate at the end of the first manifold toward the merge and the laminate. And the dimension along this thickness direction in the said internal space of the lamination
- a dimension along the thickness direction of the internal space of the merging and laminating portion is connected to the first manifold of the merging and laminating portion. It has a part which is gradually enlarged from the edge part of the side currently provided toward the downstream side.
- a dimension along the thickness direction of the internal space of the merging and laminating portion is connected to the first manifold of the merging and laminating portion.
- a surface treatment for increasing the linear velocity of the foamable resin in contact with the flow passage wall surface is performed on the flow passage wall surface of the portion that is gradually increased from the end portion on the side that is formed to the downstream side. Yes.
- a cooling device for maintaining the foamed state of the foamed resin layer is provided in the laminate part.
- a foamed resin layer is formed in the multi-manifold mold, and a non-foamed resin layer is extruded from the second manifold, and foamed in the internal space.
- the resin layer is joined and laminated. Therefore, it becomes possible to greatly simplify the manufacturing process of the resin laminate in which the foamed resin layer and the non-foamed resin layer are laminated, and to reduce the manufacturing cost of the resin laminate.
- FIG. 1A is a schematic front cross-sectional view of a resin laminate manufacturing apparatus according to a first embodiment of the present invention
- FIG. 1B is a schematic cross-sectional view showing an enlarged main part thereof. is there.
- FIG. 2 is a schematic cross-sectional view showing, in an enlarged manner, main portions of a modification of the resin laminate manufacturing apparatus according to the first embodiment of the present invention.
- FIG. 3 is a schematic cross-sectional view showing an enlarged main part of another modification of the apparatus for manufacturing a resin laminate according to the first embodiment of the present invention.
- FIG. 4 is a schematic cross-sectional view showing an enlargement of the joining and laminating portion in the resin laminate manufacturing apparatus according to the first embodiment of the present invention.
- FIG. 1A is a schematic front cross-sectional view of a resin laminate manufacturing apparatus according to a first embodiment of the present invention
- FIG. 1B is a schematic cross-sectional view showing an enlarged main part thereof. is there.
- FIG. 2 is a schematic
- FIG. 5 is a cross-sectional view showing a resin laminate obtained by the method for producing a resin laminate of the first embodiment of the present invention.
- FIG. 6 is a front sectional view for explaining a second embodiment of the apparatus for producing a resin laminate.
- FIG. 7 is front sectional drawing for demonstrating 3rd Embodiment of the manufacturing apparatus of a resin laminated body.
- FIG. 8A is a plan view of a coat hanger type manifold for constituting the non-foamed resin layer used in the first embodiment of the present invention
- FIG. 8B is a view in FIG.
- FIG. 8C is a cross-sectional view taken along the line BB.
- FIG.9 (a) is a top view of the straight manifold system for comprising the foamed resin layer used with the manufacturing apparatus of the resin laminated body of the 1st Embodiment of this invention
- FIG. 10 is a cross-sectional view taken along the line CC in FIG.
- FIG. 10 is a schematic cross-sectional view of a portion where the manifolds shown in FIGS. 8 and 9 join in the first embodiment of the present invention.
- FIG.11 (a) is a top view of the coat hanger type
- FIG.11 (b) is FIG.11 (a) in FIG. FIG.
- FIG. 11C is a cross-sectional view taken along the line EE.
- FIG. 12A is a plan view of a straight manifold system for constituting the foamed resin layer used in the resin laminate manufacturing apparatus according to the first embodiment of the present invention, and FIG. It is sectional drawing which follows the FF line
- FIG. 13 is a schematic cross-sectional view of a portion where the manifolds shown in FIGS. 11 and 12 join in the first embodiment of the present invention.
- FIG. 14A is a plan view of a straight manifold system for forming a non-foamed resin layer used in still another embodiment of the present invention, and FIG. 14B is a plan view of G in FIG. FIG.
- FIG. 14C is a cross-sectional view taken along line -G, and FIG. 14C is a cross-sectional view taken along line HH in FIG.
- FIG. 15 is a schematic front cross-sectional view when a sizing die is provided in the resin laminate manufacturing apparatus according to the first embodiment of the present invention.
- FIG. 16 is a view showing an SEM photograph of a foamed resin layer when a foamable resin composition in which 0.5% by weight of talc as a cell nucleating agent is added to 100 parts by weight of a thermoplastic resin is used. .
- FIG. 17 is a view showing an SEM photograph of a foamed resin layer when a foamable resin composition in which 0.5% by weight of calcium carbonate as a cell nucleating agent is added to 100 parts by weight of a thermoplastic resin is used. is there.
- FIG. 18 is a view showing an SEM photograph of a foamed resin layer when a foamable resin composition in which 0.5% by weight of baking soda as a cell nucleating agent is added to 100 parts by weight of a thermoplastic resin is used.
- FIG. 19 is a view showing an SEM photograph of the foamed resin layer when a foamable resin composition not using a cell nucleating agent is used.
- FIG. 20 is a diagram showing the relationship between strain and viscosity of the foamable resin composition when 20 parts by weight of a crosslinking component is added to 100 parts by weight of a thermoplastic resin.
- FIG. 21 is a schematic cross-sectional view of the resin laminate manufacturing apparatus used in the examples.
- a foamed resin layer and a non-foamed resin layer are laminated, and a resin laminate having at least one foamed resin layer is produced.
- a multi-manifold mold 1 shown in FIG. FIG. 1B is a schematic cross-sectional view showing an enlarged main part of the multi-manifold mold 1.
- an appropriate multi-manifold mold capable of exhibiting the action described later can be used.
- the multi-manifold mold 1 has a multi-manifold part 2 and a merging and laminating part 3 provided on the downstream side of the multi-manifold part 2.
- the multi-manifold portion 2 includes a first manifold 4 and second manifolds 5 and 5 in the present embodiment. However, a plurality of first manifolds 4 may be provided.
- the number of the second manifolds 5 is not particularly limited, and may be one or three or more. That is, the number of the first manifold 4 and the second manifold 5 may be appropriately selected according to the number of foamed resin layers and non-foamed resin layers in the obtained resin laminate.
- the first manifold 4 is provided to supply an unfoamed foamable resin composition in a molten state.
- the inlet side end 4a of the first manifold 4 is connected to a resin composition supply port (not shown).
- the first manifold 4 is configured to extend from the end 4a toward the downstream side.
- the downstream side is a right direction on the drawing, and is a direction from the multi-manifold portion 2 toward the merging and stacking portion 3 side.
- the flow direction of the resin in the first manifold 4 is the length direction of the finally obtained sheet, and the direction shown below the arrow shown in FIG. 1 is the thickness direction of the sheet. Accordingly, the dimension in the thickness direction of the first manifold 4 in FIG. 1A may be selected according to the thickness of the foamed resin layer before foaming and after foaming.
- the second manifolds 5 and 5 are respectively provided to supply a second resin composition for constituting a non-foamed resin layer as a surface layer.
- the end 5a of the second manifold 5 is connected to a resin composition supply port (not shown).
- the second resin composition in a molten state is supplied from the resin composition supply port toward the end portion 5 a and flows toward the downstream side of the second manifold 5.
- the cross section perpendicular to the flow direction has dimensions corresponding to the cross section made of a sheet made of a non-foamed resin layer.
- the dimension according to the cross section of the non-foamed resin layer is not necessarily the same as the dimension after completion of the non-foamed resin layer, and is selected according to the volume of the non-foamed resin before curing. That is, the cross-sectional shape of the second manifold 5 is selected in consideration of curing shrinkage and the like.
- the multi-manifold portion 2 can be composed of an appropriate member having the first manifold 4 and the second manifold 5 described above. An example of the shape of each manifold constituting the first manifold 4 and the second manifold 5 will be described later.
- the first manifold 4 and the second manifolds 5 and 5 reach the merging and laminating part 3, respectively. Portions where the first manifold 4 and the second manifolds 5 and 5 join and reach the laminated portion 3 are referred to as resin flow paths 4A, 5A, and 5A.
- the resin flow path 4A and the resin flow path 5A merge in the internal space 3A.
- the thickness direction of a resin laminated body be a thickness direction.
- the thickness direction dimension H1 of the internal space 3A is considerably larger than the thickness direction dimension H0 at the end portion of the first manifold that is continuous with the internal space 3A. This is because the foamable resin is promptly foamed at the joining portion to form the foamed resin layer without difficulty.
- a portion where the dimension in the thickness direction of the internal space 3A gradually increases from the end of the internal space 3A on the resin flow path 4A side toward the downstream side in the internal space 3A is upstream of the internal space 3A. On the side. Therefore, foaming of the foamable resin composition can be performed more smoothly and without difficulty.
- a portion where the dimension in the thickness direction gradually increases may not necessarily be provided.
- Surface treatment may be applied to the road wall surface. Although it does not specifically limit as the method of the said surface treatment, It is preferable to surface-treat with a fluororesin. More preferably, the surface is treated with polytetrafluoroethylene.
- the resin flow path 5A has a thickness equivalent to the dimension in the sheet thickness direction of the second manifold 5, and is joined to the resin flow path 4A.
- route 5A may join the said resin path
- the finally laminated resin laminate is extruded from the extrusion port 3a from the joining and laminating section 3.
- temperature adjusting pipes 7 and 7 are arranged in front of the inner space 3 ⁇ / b> A of the merging and stacking unit 3.
- a temperature adjusting fluid is caused to flow in the temperature adjusting pipes 7 and 7.
- the temperature adjusting fluid a liquid such as water or a gas such as air can be used.
- a fluid having a temperature lower than that of the foamable resin composition in a molten state flows through the temperature adjusting pipe 7.
- the temperature adjusting pipe 7 is connected to a fluid supply device (not shown).
- a heat insulating member 8 is disposed between the temperature adjusting pipe 7 and the resin flow path 5A.
- the heat insulating members 8, 8 are provided so as not to cool the second resin composition in a molten state. That is, the heat insulating members 8 and 8 are provided in order to block the cooling action by the temperature adjusting pipe 7. Therefore, the heat insulating members 8, 8 are arranged between the temperature adjusting pipe 7 and the resin flow path 5A at the position where the temperature adjusting pipe 7 is provided, before the junction.
- the heat insulating members 8 and 8 preferably have a plate-like shape such as a heat insulating plate. But you may have the cylindrical shape surrounding 5 A of resin flow paths.
- the heat insulating members 8 and 8 are not particularly limited as long as the heat insulating action is superior to the metal material constituting the multi-manifold mold 1. Therefore, the heat insulation member 8 can be comprised using heat resistant materials, such as a polyamide resin, an epoxy resin, and a phenol resin.
- an unfoamed foamable resin composition 11 in a molten state is supplied to the first manifold 4.
- the second resin composition 12 for constituting the non-foamed resin layer in a molten state is supplied to the second manifold 5.
- the foamable resin composition and the second resin composition are preheated and in a molten state. And the foamable resin composition 11 is supplied from the edge part 4a of the 1st manifold 4 mentioned above.
- the second resin composition 12 is supplied to the second manifold 5 from the end 5 a of the second manifold 5.
- the unfoamed foamable resin composition 11 in the molten state proceeds in the flow direction described above through the first manifold 4.
- the 2nd resin composition 12 advances in the 2nd manifolds 5 and 5 in the resin flow direction mentioned above.
- the foamable resin composition 11 proceeds from the multi-manifold part 2 to the joining and laminating part 3 side, and reaches the resin flow path 4A at the joining and laminating part 3. In this state, the foamable resin composition foams when the pressure is released. Therefore, the foamed resin layer 11A is formed.
- the molten second resin composition 12 that has advanced through the second manifold 5 reaches the resin flow path 5A and is laminated on the above-described foamed resin layer 11A.
- the foamed resin layer 11A and the non-foamed resin layers 12A and 12A are laminated in one multi-manifold mold 1, that is, in the merging and laminating portion 3. Therefore, the non-foamed resin layer 12A is laminated before the surface of the foamed resin layer 11A is cured by cooling. Therefore, a resin laminate can be obtained efficiently without providing a bonding material such as an adhesive or the like and without further performing an adhesion step. In this way, the resin laminate 10 shown in FIG. 5 is obtained. In the resin laminate 10, non-foamed resin layers 12A and 12A are laminated on both surfaces of the foamed resin layer 11A.
- the resin laminate 10 in which the non-foamed resin layers 12A and 12A are laminated on both surfaces of the foamed resin layer 11A can be obtained efficiently.
- the weight can be reduced by the foamed resin layer 11A.
- stress relaxation property can be expressed.
- the non-foamed resin layers 12A and 12A can increase the mechanical strength and the surface smoothness. Therefore, the resin laminate having both advantages of the foamed resin layer and the non-foamed resin layer can be provided at low cost and efficiently.
- the pressure is released and the foamable resin composition starts to foam. Accordingly, a foamed resin layer is formed. Thereafter, the formed foamed resin layer 11A starts to harden due to the cooling action by the temperature adjusting pipe 7. Thereby, the foamed state is stably maintained. Then, the non-foamed resin layer 12A is laminated before the surface is completely cooled and solidified.
- the surface of the foamed resin layer is not completely solidified at the time of merging.
- the foamed resin layer and the non-foamed resin layer can be firmly joined without using an adhesive.
- the temperature adjusting pipe 7 and the heat insulating member 8 are provided. However, as in the second embodiment shown in FIG. 6, only the temperature adjusting pipe 7 may be arranged. . That is, the heat insulating member 8 is not necessarily provided.
- a plurality of temperature adjusting pipes 7A and 7B may be arranged around the resin flow path 4A in the vicinity of the junction.
- a temperature adjusting pipe having a circular cross section may be used like the temperature adjusting pipe 7A, and the shape of the temperature adjusting pipe is not particularly limited.
- FIG. 8A is a plan view showing a coat hanger type manifold for constituting the second manifold 5 in the first embodiment.
- 8B and 8C are cross-sectional views taken along lines AA and BB in FIG. 8A.
- FIG. 9A is a plan view showing a straight manifold system for configuring the first manifold 4 in the first embodiment.
- FIG. 9B is a cross-sectional view taken along the line CC in FIG. 9A.
- the first manifold 4 has the straight manifold system shown in FIG. 9A
- the second manifolds 5 and 5 have the coat hanger system manifold shown in FIG. 8A. It is comprised by.
- the coat hanger-type second manifolds 5, 5 are combined with the first manifold 4 having the straight manifold system so as to merge on the downstream side. Yes.
- the coat hanger-type first manifold 4 shown in FIGS. 11A to 11C and the straight manifold-type second manifold 5 shown in FIGS. 12A and 12B are used. And may be combined. That is, as shown in FIG. 13, a straight manifold type second manifold 5, 5 may be joined to the coat hanger type first manifold 4. Instead of the straight manifold type second manifold 5 shown in FIG. 12A, a straight manifold type second manifold 5 shown in FIGS. 14A to 14C may be used. However, when the straight manifold type second manifold 5 shown in FIG.
- each manifold in the multi-manifold mold 1 according to the present invention are not limited to the manifolds shown in FIGS. 8 to 14, and various manifolds can be used.
- sizing dies 13 and 13 are provided so as to be connected to the merging of the multi-manifold mold 1 and the downstream side of the laminated portion 3, and the surface of the resin laminated body 10 is improved. It is preferable to mold.
- the sizing dies 13, 13 are formed by a mold in which water is circulated.
- the temperature of the water is not particularly limited, but is preferably equal to or lower than the crystallization temperature of the resin, and more preferably equal to or lower than 50 ° C. More preferably, it is 20 degreeC.
- the resin laminate 10 can be cooled in the sizing dies 13 and 13. This makes it possible to suppress foam breakage of the foam layer.
- the reason why the surface shaping is preferably performed by the sizing dies 13 and 13 is as follows.
- the bubbles in the foamed resin layer 11A further grow after the resin laminate 10 has passed through the merged and laminated portion 3 of the multi-manifold mold 1.
- the stress generated by the growth of the bubbles is transmitted to the non-foamed resin layers 12A and 12A, and the surface property of the resin laminate 10 may be deteriorated.
- the three-layered resin laminate 10 shown in FIG. 5 is obtained. Accordingly, the non-foamed resin layers 12A and 12A are laminated on both surfaces of the single foamed resin layer 11A.
- two or more foamed resin layers may be formed.
- the non-foamed resin layer may be formed only by one layer, or may be formed by three or more layers. Therefore, for example, a laminate in which the non-foamed resin layer 12A is laminated only on one side of the foamed resin layer 11A may be formed.
- Foaming resin composition In the present invention, an unfoamed foamable resin composition in a molten state is supplied to the first manifold.
- a foamable resin composition containing a thermoplastic resin and a foaming agent can be used.
- thermoplastic resin is not particularly limited, and examples thereof include polyolefins such as polyethylene and polypropylene, polystyrene, and polyurethane.
- polypropylene resins are preferably used because they are widely used in various resin molded products and are inexpensive.
- foaming agent an appropriate foaming agent that realizes foaming when the flow path becomes larger from the first manifold to the merging and laminating portion can be used.
- foaming agents include chemical foaming agents and physical foaming agents. From the viewpoint of further increasing the foaming efficiency, a chemical foaming agent is preferred.
- a physical foaming agent is preferable from the viewpoint of environmental load and cost of being able to be manufactured at low cost. As for a foaming agent, only 1 type may be used and 2 or more types may be used together.
- inorganic chemical foaming agents and organic chemical foaming agents can be used.
- examples of the inorganic chemical foaming agent include sodium hydrogen carbonate and ammonium carbonate.
- examples of the organic chemical foaming agent include nitroso compounds, azo compounds, sulfonyl hydrazide compounds, and the like.
- Examples of the azo compound include azodicarbonamide. From the viewpoint of further increasing the foaming efficiency, sodium hydrogen carbonate is preferable.
- the physical foaming agent is injected into the molten resin as a gaseous or supercritical fluid from a cylinder or screw of a molding machine, and is dispersed and dissolved. Then, after making a foamable resin composition flow into a metal mold
- Specific examples of the physical foaming agent include aliphatic hydrocarbons, alicyclic hydrocarbons, and inorganic gases. Examples of the aliphatic hydrocarbons include butane. Examples of the alicyclic hydrocarbons include cyclobutane. Examples of the inorganic gas include nitrogen, carbon dioxide gas, and air.
- a physical foaming agent such as nitrogen and carbon dioxide, but also other foaming agents and azo compounds may be used.
- the content of the foaming agent may be appropriately selected according to the physical properties of the foamed resin layer to be melted.
- the foaming agent may be contained in an amount of about 3 to 10 parts by weight with respect to 100 parts by weight of the thermoplastic resin.
- a physical foaming agent such as carbon dioxide, a gas amount corresponding to a target foaming ratio may be sealed.
- a cell nucleating agent may be further added.
- the bubble diameter can be further controlled and stabilized.
- a talc, a calcium carbonate, baking soda, etc. can be used.
- the content of the cell nucleating agent is not particularly limited, but it is preferable that the cell nucleating agent is contained in an amount of 0.1 to 10 parts by weight with respect to 100 parts by weight of the thermoplastic resin. More preferably, it is 0.1 to 5 parts by weight.
- FIG. 16 to FIG. 18 show foaming when using a foamable resin composition in which 0.5% by weight of talc, calcium carbonate and sodium bicarbonate, which are cell nucleating agents, are added to 100 parts by weight of thermoplastic resin. It is a SEM photograph of 5 times magnification of the resin layer. For comparison, FIG. 19 shows an SEM photograph of the foamed resin layer at a magnification of 3 when a foamable resin composition not using a cell nucleating agent is used.
- the bubble diameter is controlled.
- the bubble diameter when using calcium carbonate and talc was 500 ⁇ m
- the bubble diameter when adding sodium bicarbonate was 300 ⁇ m.
- the bubble diameter varied in the range of 700 to 1000 ⁇ m.
- a crosslinking component may be further added.
- the crosslinking agent is added, it is possible to prevent the generated bubbles from being broken and to further improve the expansion ratio.
- the resin laminate can be further reduced in weight and the rigidity of the resin laminate can be improved.
- Linklon polypropylene and an electron beam crosslinked polypropylene can be used.
- the content of the crosslinking component is not particularly limited, but it is preferable that the crosslinking component is contained in an amount of 0.5 to 40 parts by weight with respect to 100 parts by weight of the thermoplastic resin. More preferably, it is 0.5 to 20 parts by weight.
- FIG. 20 is a diagram showing the relationship between strain and viscosity of the foamable resin composition when 20 parts by weight of a crosslinking component is added to 100 parts by weight of the thermoplastic resin.
- the curve of arrow A shows the result when the crosslinking component is added
- the curve of arrow B shows the result when the crosslinking component is not added.
- the strain is 1.0 or more, the viscosity is rapidly increased, and the strain hardening is progressed by the crosslinking. That is, when foaming, it is possible to prevent the cells from being broken and the bubbles from breaking.
- the first manifold When supplying an unfoamed foamable resin composition in a molten state to the first manifold, it may be heated to a temperature at which the foamable resin composition is melted. That is, it may be heated to a temperature equal to or higher than the melting point of the thermoplastic resin.
- the melting point of the thermoplastic resin refers to the temperature of the melting peak determined by DSC.
- the second resin composition is a composition for constituting the non-foamed resin layer.
- a resin composition containing a thermoplastic resin and appropriate additives can be used.
- thermoplastic resin used in the second resin composition examples include polyolefins such as polyethylene and polypropylene, and ABS resins.
- polyolefins such as polyethylene and polypropylene
- ABS resins ABS resins.
- thermoplastic resin having a higher mechanical strength than the thermoplastic resin constituting the foamed resin layer it is desirable to use a thermoplastic resin having a higher mechanical strength than the thermoplastic resin constituting the foamed resin layer.
- the external strength may be adjusted by adding an appropriate filler such as an inorganic filler to the thermoplastic resin.
- an ultraviolet absorber EPDM for providing a softness
- the resin laminate 10 in the present invention can be manufactured by using a resin laminate production apparatus 14 shown in FIG.
- the foamable resin composition in an unfoamed state and the second resin composition that is a non-foamed resin composition can be manufactured by supplying the multimanifold mold 1 from each manifold and extruding it.
- non-foamed resin composition 100 parts by weight of polypropylene (manufactured by Nippon Polypro Co., Ltd., trade name: Novatec EA9) and 20 parts by weight of exfoliated graphite were melted at 200 ° C. in an extruder 17 connected to the gear pump 20.
- the second resin composition was prepared by kneading.
- graphite manufactured by SEC Carbon Co., Ltd., high-purity graphite, trade name: SNO-5, maximum dimension of 5 ⁇ m in the surface direction of the layer surface of the graphene layer
- the second resin composition was supplied to the second manifold 5 of the multi-manifold mold 1.
- the foamable resin composition extruded from the first manifold 4 expands the flow path of the resin flow path 4A from the thickness direction dimension H0 to the thickness direction dimension H1, as shown in FIG.
- the resin composition that has been increased in pressure by foaming is foamed by releasing the pressure at once.
- the resin laminated body was obtained by making the resin composition which fired in the position of the joining and the lamination
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Laminated Bodies (AREA)
Abstract
Description
本発明に係る樹脂積層体の製造方法では、発泡樹脂層と非発泡樹脂層とを積層してなり、少なくとも1層の発泡樹脂層を有する樹脂積層体が製造される。
なお、温度調節用配管7は、図示しない流体供給装置に接続されている。
本発明においては、第1のマニホールドに溶融状態にある未発泡状態の発泡性樹脂組成物が供給される。この発泡性樹脂組成物としては、熱可塑性樹脂と、発泡剤とを含む発泡性樹脂組成物を用いることができる。
第2の樹脂組成物は、非発泡樹脂層を構成するための組成物である。この第2の樹脂組成物としては、熱可塑性樹脂と適宜の添加剤を含む樹脂組成物を用いることができる。
次に、本発明の具体的な実施例を説明する。なお、本発明は下記実施例に限定されない。
本発明における樹脂積層体10は、図21に示す樹脂積層体作製装置14を用いることにより製造することができる。未発泡状態の発泡性樹脂組成物と非発泡樹脂組成物である第2の樹脂組成物をマルチマニホールド金型1に各マニホールドから供給し、押出すことにより製造することができる。
2…マルチマニホールド部
3…合流及び積層部
3A…内部空間
3a…押出し口
4…第1のマニホールド
4A…樹脂流路
4a…端部
5…第2のマニホールド
5A…樹脂流路
5a…端部
7,7A,7B…温度調節用配管
8…断熱部材
10…樹脂積層体
11…発泡性樹脂組成物
11A…発泡樹脂層
12…第2の樹脂組成物
12A…非発泡樹脂層
13…サイジングダイ
14…樹脂積層体作製装置
15…押出機
16…押出機
17…押出機
18…ガス供給装置
19…ギヤポンプ
20…ギヤポンプ
21…引取機
Claims (15)
- 発泡樹脂層と、非発泡樹脂層とを積層してなり、少なくとも1層の発泡樹脂層を有する樹脂積層体の製造方法であって、
溶融状態にある未発泡状態の発泡性樹脂組成物を供給するための第1のマニホールドと、前記非発泡樹脂層を形成するための第2のマニホールドと、第1及び第2のマニホールドを有するマニホールド部の下流に連ねられた合流及び積層部とを備えるマルチマニホールド金型の前記第1のマニホールドに発泡性樹脂組成物を供給し、前記第2のマニホールドに非発泡樹脂層を構成するための第2の樹脂組成物を供給する工程と、
前記マルチマニホールド金型内において、前記第1のマニホールドから金型内の合流及び積層部に発泡性樹脂組成物を押出し、圧力開放することにより発泡させて発泡樹脂層を形成する工程と、
前記第2のマニホールドから前記非発泡樹脂層を押出し、前記マルチマニホールド金型内の前記合流及び積層部の内部空間において、前記圧力開放により前記発泡性樹脂を発泡させると同時、発泡中又は発泡後に発泡樹脂層に合流させ、かつ積層する工程とを備える、樹脂積層体の製造方法。 - 前記合流及び積層部に至る前に前記発泡樹脂層が発泡状態を維持するように発泡後の発泡樹脂層を冷却する、請求項1に記載の樹脂積層体の製造方法。
- 前記冷却時に、前記発泡樹脂層を構成している樹脂の融点よりも低い温度に冷却する、請求項2に記載の樹脂積層体の製造方法。
- 複数の前記第2のマニホールドを用い、前記発泡樹脂層に複数の非発泡樹脂層を積層する、請求項1~3のいずれか1項に記載の樹脂積層体の製造方法。
- 前記発泡樹脂層の両面に前記非発泡樹脂層を積層する、請求項1~4のいずれか1項に記載の樹脂積層体の製造方法。
- 前記非発泡樹脂層と前記発泡樹脂層とが、合流及び積層されることにより得られた樹脂積層体をサイジングダイに供給することにより、前記樹脂積層体に表面賦型を施す工程をさらに備える、請求項1~5のいずれか1項に記載の樹脂積層体の製造方法。
- 前記発泡性樹脂組成物が、熱可塑性樹脂と、気泡核剤とを含む樹脂組成物であって、
前記熱可塑性樹脂100重量部に対し、気泡核剤を0.1~10重量部含む、請求項1~6のいずれか1項に記載の樹脂積層体の製造方法。 - 前記発泡性樹脂組成物が、熱可塑性樹脂と、架橋成分とを含む樹脂組成物であって、
前記熱可塑性樹脂100重量部に対し、架橋成分を0.5~40重量部含む、請求項1~7のいずれか1項に記載の樹脂積層体の製造方法。 - 上流側に配置されたマルチマニホールド部と、マルチマニホールド部の下流側に連ねられて配置された合流及び積層部とを備え、
前記マルチマニホールド部が、発泡性樹脂組成物を供給するための第1のマニホールドと、非発泡樹脂層を形成するための第2の樹脂組成物を供給するための第2のマニホールドとを有し、
前記合流及び積層部は、前記第1のマニホールドと前記第2のマニホールドとが合流し、かつ発泡樹脂層と非発泡樹脂層とが積層される内部空間とを有する、樹脂積層体の製造装置。 - 前記合流及び積層部の下流側に連ねられて配置された、サイジングダイに供給することにより、上記樹脂積層体の表面を平滑にし、かつ上記樹脂積層体を効率良く冷却する工程をさらに備える、請求項9に記載の樹脂積層体の製造装置。
- 前記合流及び積層部において、前記内部空間の前記樹脂積層体の厚み方向寸法が、前記第1のマニホールドの前記厚み方向寸法及び前記第2のマニホールドの前記厚み方向寸法の合計よりも大きくされている、請求項9又は10に記載の樹脂積層体の製造装置。
- 前記第1のマニホールドの前記合流及び積層部に向かう側の端部における前記樹脂積層体の厚み方向に沿う寸法よりも前記合流及び積層部の前記内部空間内の該厚み方向に沿う寸法が大きくされている、請求項9又は10に記載の樹脂積層体の製造装置。
- 前記合流及び積層部の前記内部空間の前記厚み方向に沿う寸法が、該合流及び積層部の前記第1のマニホールドに連ねられている側の端部から下流側に向かうにつれて徐々に大きくされている部分を有する、請求項12に記載の樹脂積層体の製造装置。
- 前記合流及び積層部の前記内部空間の前記厚み方向に沿う寸法が、該合流及び積層部の前記第1のマニホールドに連ねられている側の端部から下流側に向かうにつれて徐々に大きくされている部分の流路壁面に、該流路壁面に接している発泡性樹脂の線速を高めるための表面処理がなされている、請求項13に記載の樹脂積層体の製造装置。
- 前記発泡樹脂層の発泡状態を維持するための冷却するための冷却装置が前記合流及び積層部に設けられている、請求項9~14のいずれか1項に記載の樹脂積層体の製造装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/433,851 US20150273740A1 (en) | 2012-10-31 | 2013-09-12 | Method and device for manufacturing resin laminate |
EP13851212.4A EP2915650A1 (en) | 2012-10-31 | 2013-09-12 | Method and device for manufacturing resin laminate |
KR1020147034926A KR20150079497A (ko) | 2012-10-31 | 2013-09-12 | 수지 적층체의 제조 방법 및 제조 장치 |
JP2013544896A JP5466796B1 (ja) | 2012-10-31 | 2013-09-12 | 樹脂積層体の製造方法及び製造装置 |
CN201380030779.5A CN104395052A (zh) | 2012-10-31 | 2013-09-12 | 树脂叠层体的制造方法及制造装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012240999 | 2012-10-31 | ||
JP2012-240999 | 2012-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014069110A1 true WO2014069110A1 (ja) | 2014-05-08 |
Family
ID=50627027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/074693 WO2014069110A1 (ja) | 2012-10-31 | 2013-09-12 | 樹脂積層体の製造方法及び製造装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150273740A1 (ja) |
EP (1) | EP2915650A1 (ja) |
JP (1) | JP2014111370A (ja) |
KR (1) | KR20150079497A (ja) |
CN (1) | CN104395052A (ja) |
WO (1) | WO2014069110A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017141972A1 (ja) * | 2016-02-17 | 2017-08-24 | 株式会社イノアックコーポレーション | 表皮一体発泡品及びその製造方法 |
US11787093B2 (en) * | 2016-08-26 | 2023-10-17 | BASF SE (Ellwanger & Baier Patentanwälte) | Process and tool for continuous production of fiber-reinforced foams |
CN106182352A (zh) * | 2016-08-31 | 2016-12-07 | 湘潭炜达机电制造有限公司 | 保温隔音预制墙体挤出成型模具 |
JP6339274B1 (ja) * | 2017-06-19 | 2018-06-06 | 積水化学工業株式会社 | マイクロ流体デバイス |
JP2021158852A (ja) * | 2020-03-27 | 2021-10-07 | 日本電産株式会社 | 積層体製造装置及び積層体製造方法 |
CN117162450B (zh) * | 2023-11-02 | 2024-04-09 | 台春节能新材料(苏州)有限公司 | 一种耐高温xps保温板挤塑成型模头及挤出装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0811190A (ja) | 1994-07-01 | 1996-01-16 | Mitsui Toatsu Chem Inc | 熱可塑性樹脂発泡体の製造方法 |
JPH11227120A (ja) * | 1998-02-17 | 1999-08-24 | Sumitomo Chem Co Ltd | 積層発泡体とその製造方法 |
JP2000263718A (ja) * | 1999-03-15 | 2000-09-26 | Okura Ind Co Ltd | ポリオレフィン系樹脂成形品およびその製造方法 |
JP2003181904A (ja) * | 2001-12-18 | 2003-07-03 | Sumitomo Chem Co Ltd | 多層発泡シートの製造方法 |
JP2004237729A (ja) | 2003-01-15 | 2004-08-26 | Kawata Mfg Co Ltd | 押出発泡成形装置 |
JP2004291623A (ja) * | 2003-03-12 | 2004-10-21 | Sumitomo Chem Co Ltd | プロピレン系樹脂製多層発泡シートおよびその製造方法 |
JP2009241408A (ja) * | 2008-03-31 | 2009-10-22 | Sumitomo Chemical Co Ltd | 発泡積層体の製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4471672B2 (ja) * | 2004-01-30 | 2010-06-02 | 東邦テナックス株式会社 | 樹脂トランスファー成形法、及びサンドイッチ積層板の製造方法 |
JP2011213090A (ja) * | 2009-09-29 | 2011-10-27 | Sekisui Chem Co Ltd | 樹脂積層板 |
-
2013
- 2013-09-12 US US14/433,851 patent/US20150273740A1/en not_active Abandoned
- 2013-09-12 CN CN201380030779.5A patent/CN104395052A/zh active Pending
- 2013-09-12 WO PCT/JP2013/074693 patent/WO2014069110A1/ja active Application Filing
- 2013-09-12 EP EP13851212.4A patent/EP2915650A1/en not_active Withdrawn
- 2013-09-12 KR KR1020147034926A patent/KR20150079497A/ko not_active Application Discontinuation
- 2013-11-25 JP JP2013242797A patent/JP2014111370A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0811190A (ja) | 1994-07-01 | 1996-01-16 | Mitsui Toatsu Chem Inc | 熱可塑性樹脂発泡体の製造方法 |
JPH11227120A (ja) * | 1998-02-17 | 1999-08-24 | Sumitomo Chem Co Ltd | 積層発泡体とその製造方法 |
JP2000263718A (ja) * | 1999-03-15 | 2000-09-26 | Okura Ind Co Ltd | ポリオレフィン系樹脂成形品およびその製造方法 |
JP2003181904A (ja) * | 2001-12-18 | 2003-07-03 | Sumitomo Chem Co Ltd | 多層発泡シートの製造方法 |
JP2004237729A (ja) | 2003-01-15 | 2004-08-26 | Kawata Mfg Co Ltd | 押出発泡成形装置 |
JP2004291623A (ja) * | 2003-03-12 | 2004-10-21 | Sumitomo Chem Co Ltd | プロピレン系樹脂製多層発泡シートおよびその製造方法 |
JP2009241408A (ja) * | 2008-03-31 | 2009-10-22 | Sumitomo Chemical Co Ltd | 発泡積層体の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104395052A (zh) | 2015-03-04 |
JP2014111370A (ja) | 2014-06-19 |
EP2915650A1 (en) | 2015-09-09 |
KR20150079497A (ko) | 2015-07-08 |
US20150273740A1 (en) | 2015-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014069110A1 (ja) | 樹脂積層体の製造方法及び製造装置 | |
US10688751B2 (en) | Foam structural material, resin panel, and method for manufacturing a resin panel | |
JP2007230130A (ja) | 発泡ハニカムコアを用いた吸音積層構造体 | |
CN102233659A (zh) | 带表皮面板的成形方法及带表皮面板 | |
JP2018505950A5 (ja) | ||
CN103895146A (zh) | 一种聚合物微孔发泡制品连续成型装置和方法 | |
US9321195B2 (en) | Method and device for producing a pipe member | |
JP5183932B2 (ja) | 車両内装材用積層シート,車両用内装材,車両内装材用積層シートの製造方法及びその装置 | |
JP5466796B1 (ja) | 樹脂積層体の製造方法及び製造装置 | |
TW200831266A (en) | Method for preparation of microcellular foam with uniform foaming ratio and extruding and foaming system for the same | |
JP2007137045A (ja) | 複合発泡シート、その積層構造体及びそれらを用いたハニカム吸音構造体 | |
JP2010158866A (ja) | 成形体及び成形体の製造方法 | |
KR102326199B1 (ko) | 발포성형체의 제조방법 | |
JP6152000B2 (ja) | 車両用樹脂製中空積層板 | |
JP5746798B1 (ja) | 樹脂積層体の製造方法 | |
JP2023152225A (ja) | 共押出シート | |
JPWO2021095727A5 (ja) | ||
JP5309517B2 (ja) | 発泡シート製造装置 | |
JP2008100428A (ja) | 樹脂成形体及びその製造方法 | |
WO2023188487A1 (ja) | 共押出シート | |
JP4032990B2 (ja) | 多層発泡シートの製造装置、および多層発泡シートの製造方法 | |
JPH0124619B2 (ja) | ||
JPS6119330A (ja) | 合成樹脂発泡積層体の製造方法 | |
JP2019064173A (ja) | 発泡ブロー成形体、発泡ブロー成形装置、及び発泡ブロー成形方法 | |
JPH10675A (ja) | 発泡体の製造方法および製造装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2013544896 Country of ref document: JP Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13851212 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20147034926 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14433851 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2013851212 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |