WO2022124286A1 - 一体押出成形体 - Google Patents

一体押出成形体 Download PDF

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Publication number
WO2022124286A1
WO2022124286A1 PCT/JP2021/044836 JP2021044836W WO2022124286A1 WO 2022124286 A1 WO2022124286 A1 WO 2022124286A1 JP 2021044836 W JP2021044836 W JP 2021044836W WO 2022124286 A1 WO2022124286 A1 WO 2022124286A1
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WO
WIPO (PCT)
Prior art keywords
coating layer
core material
resin
extruded body
integrally extruded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/044836
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English (en)
French (fr)
Japanese (ja)
Inventor
勝哉 一瀬
克彦 横田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kurashiki Spinning Co Ltd
Original Assignee
Kurashiki Spinning Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kurashiki Spinning Co Ltd filed Critical Kurashiki Spinning Co Ltd
Priority to JP2022568281A priority Critical patent/JP7821123B2/ja
Publication of WO2022124286A1 publication Critical patent/WO2022124286A1/ja
Anticipated expiration legal-status Critical
Priority to JP2025191646A priority patent/JP2026012477A/ja
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics 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
    • B29C44/20—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
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • 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

Definitions

  • the present invention relates to an integrally extruded body containing a metal core material used as a building member or the like, and is particularly suitable for an integral extrusion molding such as a deck material or a bench material in an environment where the surface temperature is high so that the bare skin touches the body. Regarding the body.
  • Patent Documents 1 and 2 describe integrally extruded bodies having a coating layer containing a polyolefin resin and wood powder on the outer surface of a metal core material such as aluminum to obtain a high-quality wood texture. There is.
  • Patent Documents 3 and 4 describe flooring materials whose surface portions are formed of a synthetic resin containing a heat-shielding pigment and which can reflect sunlight and suppress heat storage.
  • the flooring materials described in Patent Documents 3 and 4 are designed on the premise that they are heated from the surface portion using sunlight as a heat source, and when the environmental temperature itself at which the flooring material is used is high. Did not have the effect of suppressing heat storage. For example, when used on the floor of a sauna room or on a stepped deck for a user to sit on, walking on it with bare feet or touching it with bare skin may cause painful heat.
  • the present invention has been made in consideration of the above, and is a wood-like integrally extruded molded product extruded and coated with a metal core material and a wood powder-containing thermoplastic resin, and is heated by light rays from the sun or the like. It is an object of the present invention to provide an integrally extruded molded product that can suppress the degree of heat felt when the surface is touched with bare skin, not only in the case but also when the environmental temperature itself used is high.
  • the present inventors have focused on the fact that the heat felt when touched differs depending on the material even if the surface temperature is the same, and arrived at the present invention by changing the structure of the coating layer.
  • the integrally extruded body of the present invention has a core material having an internal space and a coating layer that covers at least a part of the outer surface of the core material, and the coating layer includes a resin, wood powder, a foaming agent, and the like. It contains a colorant, has a foaming ratio of 1.5 to 3.5 times, a thickness of 3.0 to 8.0 mm, and is sanded at least part of the surface.
  • the core material having an internal space includes not only a tubular material but also a partially cut-off tubular material having a substantially U-shaped cross section or a substantially C-shaped cross section. ..
  • the foaming agent is a heat-expandable microsphere having a structure in which a leavening agent vaporized by heating is encapsulated in an outer shell made of a resin.
  • the foaming ratio of the coating layer is preferably 2.1 to 3.0 times.
  • the thickness of the coating layer is 3.1 to 5.0 mm.
  • the core material is made of aluminum or an aluminum alloy.
  • the integrally extruded body further has an adhesive layer between the core material and the coating layer.
  • a lightweight, high-strength and high-quality wood texture can be obtained by extruding and coating the surface of a metal core material with a polyolefin resin containing wood powder. Further, the foaming ratio of the coating layer is 1.5 to 3.5 times, the thickness is 3.0 to 8.0 mm, and at least a part of the surface is sanded, so that the surface temperature becomes high. Even in such a case, the heat felt when the bare skin touches can be suppressed.
  • integral extrusion molding means extruding a material for a coating layer and at the same time covering the layer with a fed core material to integrate the material, and is formed by such a method. Is called an integrally extruded body.
  • the integrally extruded body 10 of the present embodiment has a quadrangular column shape having a rectangular cross section perpendicular to the extrusion direction.
  • the integrally extruded body 10 has a metal core material 11 and a coating layer 13 that covers the entire outer surface of the core material, and further has an adhesive layer 12 that is interposed between the core material and the coating layer.
  • cross section simply means a cross section perpendicular to the extrusion direction.
  • the core material 11 is made of a metal such as aluminum or an aluminum alloy, stainless steel, galvanized steel, and copper.
  • the core material is preferably made of aluminum or an aluminum alloy from the viewpoint of achieving both the strength and lightness required for building members and the like, and the ease of processing into a hollow shape or a complicated cross-sectional shape.
  • a grade having good extrusion moldability such as that used for aluminum sashes, for example, a material such as alloy numbers 6063 or 6060 of JIS H4100 is used.
  • the shape of the core material 11 is not particularly limited as long as the coating layer 13 can be formed on the surface by integral extrusion molding and has an internal space.
  • the core material may be, for example, a prismatic or columnar shape, and may have a U-shaped or C-shaped cross section. Further, a partition wall 14 extending in the longitudinal direction may be formed inside the core material for reinforcement.
  • the thickness of the core material 11 is preferably 0.8 to 5.0 mm, more preferably 1.1 to 3.0 mm.
  • the thickness of the core material is in the above range from the viewpoint of rigidity and extrusion workability.
  • Dimensions such as the length and width of the entire core material are not particularly limited, and can be set according to the application of the integrally extruded body.
  • the height and width of the cross section of the core material are preferably 20 mm or more, more preferably 30 mm or more, and preferably 200 mm or less.
  • the surface of the core material 11 is preferably knurled and / or anodized for the purpose of further improving the adhesiveness with the coating layer 13 or the adhesive layer 12.
  • the knurling process is a process for forming a groove on the outer surface of the core material. This improves the adhesiveness between the coating layer or the adhesive layer and the core material.
  • the knurling process for example, forms a groove along the longitudinal direction of the core material.
  • the depth of the groove by knurling is preferably 0.03 to 1.0 mm, and the pitch of the groove is preferably 0.03 to 1.5 mm.
  • the shape of the groove can be, for example, a shape in which convex portions and concave portions having a substantially triangular shape or a substantially arc shape are continuous.
  • the anodizing treatment is a treatment for forming a metal oxide film on the surface of the core material. Since the anodic oxide film has fine pores extending from the surface in the thickness direction, if it is used without the sealing treatment, the adhesiveness between the coating layer or the adhesive layer and the core material is also improved. When both the knurling treatment and the anodizing treatment are performed, it is preferable to perform the knurling treatment and then the anodizing treatment.
  • the coating layer 13 of the present embodiment covers the entire outer surface of the core material 11 via the adhesive layer 12.
  • the coating layer 13 may cover at least a portion of the outer surface of the core material that may be touched by human skin when the integrally extruded body 10 is used.
  • the coating layer contains a base resin, wood flour, colorants and foaming agents.
  • a polyolefin-based resin is preferably used as the base resin.
  • polyolefin resins examples include polyethylene, polypropylene, and ethylene-propylene copolymers. The reason for using the polyolefin resin is that it has excellent weather resistance when used outdoors.
  • Preferred polyolefin-based resins are polyethylene and polypropylene, and particularly preferable polyolefin-based resin is polypropylene having an excellent wood texture after sanding.
  • the polyolefin resin is preferably modified with an unsaturated carboxylic acid. This is because the compatibility with wood powder can be improved.
  • unsaturated carboxylic acids include unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid, etacrilic acid and crotonic acid, unsaturated dicarboxylic acids such as itaconic acid, maleic acid and fumaric acid, and derivatives thereof. ..
  • Preferred unsaturated carboxylic acids are unsaturated dicarboxylic acids and their anhydrides, such as maleic acid and maleic anhydride.
  • the content of the unsaturated carboxylic acid in the unsaturated carboxylic acid-modified polyolefin resin is preferably 0.1 to 15% by weight based on all the monomers of the unsaturated carboxylic acid-modified polyolefin resin.
  • an unsaturated carboxylic acid may be contained as a component different from the above-mentioned polyolefin resin or unsaturated carboxylic acid-modified polyolefin resin.
  • the purpose is to improve the compatibility between the polyolefin resin and the wood powder, as in the case of the unsaturated carboxylic acid modification.
  • Preferred unsaturated carboxylic acids are unsaturated dicarboxylic acids and their anhydrides, such as maleic acid and maleic anhydride.
  • the content of the unsaturated carboxylic acid contained as another component of the polyolefin-based resin is preferably 0.2 to 10 parts by weight with respect to 100 parts by weight of the polyolefin-based resin.
  • the polyolefin resin preferably has a melting point of 165 ° C. or lower, particularly 125 to 165 ° C.
  • the MFR (melt flow rate) of the polyolefin resin is preferably 3 to 25 g / 10 min, and more preferably 3 to 15 g / 10 min.
  • the melting point can be measured by known differential scanning calorimetry.
  • MFR is a value at 190 ° C. and a load of 2.16 kgf, and can be measured based on JIS K7210.
  • the base resin may contain a resin other than the polyolefin-based resin.
  • examples of other resins include acrylic nitrile butadiene styrene resin.
  • the proportion of the polyolefin-based resin in the total resin is preferably 90% by weight or more. More preferably, the resin component of the base resin consists only of a polyolefin resin.
  • the coating layer 13 contains wood powder in order to give an excellent appearance and feel.
  • wood powder wood such as sugi, cypress, and baitsuga, crushed wood scraps and waste materials, sawdust, and the like are often used, and the particle size is 10 to 500 mesh. Although it can be done, more preferable is about 60 to 100 mesh. It is preferable to use crushed scraps and waste materials as the wood powder because it reduces the environmental load.
  • the content of wood powder is 5 to 50 parts by weight, preferably 10 to 40 parts by weight, based on 100 parts by weight of the polyolefin resin.
  • the foaming ratio of the coating layer 13 is 1.5 times or more, preferably 2.1 times or more. This is because the higher the foaming ratio, the less the degree of feeling hot when touching the high temperature coating layer. On the other hand, the foaming ratio of the coating layer is 3.5 times or less, preferably 3.0 times or less. Assuming that the thickness of the coating layer is within the range described later, if the foaming ratio is too high, the hardness of the coating layer will be low, and the coating layer will be formed when the surface is pressed with a finger or when walking on it. Dent. Then, the feeling that the surface of the integrally extruded molded product is dented does not match the feeling expected from the wood-like appearance, and the person feels uncomfortable.
  • foaming agent for foaming the coating layer 13 examples include solid foaming agents that decompose at the extrusion molding temperature to generate gas, such as sodium bicarbonate (baking soda), ammonium carbonate, azodicarboxylic acid amide, and benzenesulfonyl hydrazide.
  • solid foaming agents such as sodium bicarbonate (baking soda), ammonium carbonate, azodicarboxylic acid amide, and benzenesulfonyl hydrazide.
  • a general foaming agent preferably, as the foaming agent, a heat-expandable microsphere having a structure in which a expander that vaporizes by heating is enclosed inside an outer shell made of a thermoplastic resin, such as a so-called heat-expandable microcapsule, is used. ..
  • the coating layer of the present embodiment since wood powder is mixed in the resin, it is easy to break the foam by gas foaming using baking soda or the like.
  • a heat-expandable microsphere when used as a foaming agent, it is difficult to break bubbles and bubbles remain, so that the thermal conductivity becomes low.
  • the heat-expandable microspheres those having an average diameter of preferably 8 to 40 ⁇ m, more preferably 10 to 15 ⁇ m are used. This is because it does not impair the appearance similar to wood while obtaining a sufficient foaming ratio.
  • a heat-expandable microsphere a commercially available one can be used.
  • the coating layer 13 contains a colorant in order to impart a wood-like color.
  • a colorant known inorganic or organic pigments can be used.
  • the content of the colorant is preferably 2 to 8 parts by weight with respect to 100 parts by weight of the polyolefin resin.
  • the coating layer 13 has various additives conventionally used for synthetic resins in order to enhance various physical properties, for example, fillers, ultraviolet absorbers, antistatic agents, matting agents, mica powder granules, organic fibers, and the like. Vermiculite powder, glass chips, used paper powder, ceramic powder and the like may be contained.
  • the filler for example, calcium carbonate, talc and the like can be used.
  • the content thereof is preferably 20% by weight or less, more preferably 5% by weight or less, based on the resin component. This is because the thermal conductivity of the coating layer increases when a large amount of additives, particularly a filler having a high thermal conductivity, is contained.
  • the thickness of the coating layer 13 is 3.0 mm or more, preferably 3.1 mm or more. This is because the thicker the coating layer, the lower the degree of feeling hot when touching the high temperature coating layer. On the other hand, the thickness of the coating layer is 8.0 mm or less, preferably 5.0 mm or less. Assuming that the foaming ratio of the coating layer is within the above range, if the coating layer is too thick, the hardness of the coating layer will be low, and the coating layer will be formed when the surface is pressed with a finger or when walking on it. Because it is dented.
  • the surface of the coating layer 13 is sanded.
  • the sanding process is a process of roughening the surface with sandpaper, sandpaper, sand, or the like.
  • a layer (skin layer) having a lower expansion ratio than the inside is formed by sliding with a mold (die).
  • this skin layer is removed by sanding.
  • the sanding process may be applied to at least a portion of the surface of the coating layer that may come into contact with human bare skin when the integrally extruded molded product 10 is used.
  • the adhesive layer 12 is formed on the entire outer surface of the core material between the core material 11 and the coating layer 13. Although the adhesive layer may be omitted, it is preferable to provide the adhesive layer between the core material 11 and the coating layer 13 in order to increase the adhesive strength.
  • the composition of the adhesive layer 12 is not particularly limited as long as the core material 11 and the coating layer 13 can be adhered to each other, but includes an epoxy group-containing polyolefin resin which is a copolymer of ⁇ -olefin and an epoxy group-containing unsaturated monomer. Is preferable.
  • an epoxy group-containing polyolefin resin which is a copolymer of ⁇ -olefin and an epoxy group-containing unsaturated monomer.
  • the ⁇ -olefin a monomer similar to the ⁇ -olefin constituting the polyolefin resin contained in the coating layer can be exemplified.
  • the epoxy group-containing unsaturated monomer include glycidyl acrylate and glycidyl (meth) acrylate such as glycidyl methacrylate. Of these, glycidyl (meth) acrylate is preferable.
  • the epoxy group-containing polyolefin resin of the adhesive layer 12 preferably has a melting point of 50 to 105 ° C, particularly 90 to 100 ° C, from the viewpoint of heat resistance and extrusion moldability.
  • the MFR of the epoxy group-containing polyolefin resin is preferably 1 to 20 g / 10 min, and more preferably 3 to 10 g / 10 min.
  • the thickness of the adhesive layer is not particularly limited as long as the object of the present invention is achieved, and is preferably 0 because the adhesive layer does not break or peel off from the viewpoint of adhesiveness and productivity and during bending. It is 0.05 to 1.0 mm, more preferably 0.1 to 0.5 mm.
  • the one-piece extruder 20 shown in FIG. 2 is provided with two extruders 21 and 23, and the core material 11 is inserted through the openings of the dies 22 and 24 and fed in one direction (leftward in FIG. 2).
  • the resin composition is extruded in the die, and the core material is sequentially coated with the adhesive layer 12 and the coating layer 13.
  • the adhesive layer 12 is formed by covering the surface of the core material 11 in the first die 22 with the adhesive composition extruded from the first extruder 21.
  • an adhesive may be applied to the surface of the core material in advance by spraying, dipping or the like.
  • the coating layer 13 is formed by coating the adhesive layer 12 in the second die 24 with the resin composition kneaded by the second extruder 23. At this time, the foaming agent contained in the coating layer foams.
  • the integrally extruded body 10 is cooled and the coating layer 13 is cured.
  • the surface of the integrally extruded body is sanded and cut to the required dimensions.
  • an integrally extruded body was prepared by changing the composition of the coating layer and the expansion ratio, and the heat felt when touching the bare skin at high temperature was evaluated in the laboratory.
  • a hollow aluminum alloy core material with a substantially rectangular cross section was manufactured by extrusion molding.
  • a groove extending in the longitudinal direction (pitch 0.5 mm, depth 0.1 mm) was formed in the core material by knurling, and then an oxide film was formed by alumite treatment (sulfuric acid method, without sealing treatment).
  • Bond First (registered trademark) 7B manufactured by Sumitomo Chemical Co., Ltd., ethylene-glycidyl methacrylate-vinyl acetate (copolymerization ratio (mass ratio) 83: 12: 5), MFR 7 g / 10 min, melting point 95 ° C. was used.
  • maleic acid-modified polypropylene resin maleic acid content about 2% by weight, melting point 150 ° C., MFR about 10 g / min
  • the foaming agent was selected by evaluating the surface roughness and the uniformity of the cross-sectional structure in a preliminary test.
  • the molded body was cooled with a water-cooled jacket (not shown), and the surface was sanded with a belt sander having a particle size of # 40 rotating in the direction opposite to the traveling direction of the molded body.
  • the produced integrally extruded product was held in an oven at 84 ° C. for about 2 hours, then taken out of the oven, and the heat felt by touching with a finger was evaluated.
  • Table 1 shows the sample preparation conditions and evaluation results.
  • PP is the total amount of maleic acid-modified polypropylene resin and polypropylene contained in the wood flour masterbatch
  • wood flour is the wood flour contained in the wood flour masterbatch
  • fluoride batch is the wood flour contained in the wood flour masterbatch
  • "foaming agent batch” “Indicates the blending amount of the foaming agent masterbatch. Sample 1 does not contain a foaming agent.
  • “Sanding” indicates the grain size (count) of the sandpaper used for the sanding process. The meanings of the "evaluation result” symbols are as follows. A: Can be touched B: Can be touched for a short time (3 to 30 seconds) D: Almost impossible to touch
  • Table 2 shows the sample preparation conditions and evaluation results. The blending ratio is shown in each raw material column of the coating layer. The wood powder content of samples 18 to 20 is based on the manufacturer's data. The member surface temperature at the time of evaluation was 78 ° C. The meanings of the symbols in the evaluation results are as follows. It should be noted that the heating conditions and evaluation criteria are different between Table 1 and Table 2. A: Can be touched B: Can be touched for a short time (10 to 30 seconds) C: Can be touched for a short time (3 to 10 seconds) D: Almost impossible to touch
  • the integrally extruded body containing a metal core material of the present invention shall be used as a building member such as a decorative material for building, a handrail for building, a surface grid for crime prevention, a louver material, and a member for furniture, furniture, lighting equipment, etc. Can be done. In particular, it is used for flooring materials used outdoors such as balconies and decks of school facilities and houses, flooring materials used in hot and humid environments such as sauna rooms, etc. It can be preferably used for applications where it is planned to walk in.
  • Integral extrusion mold 11 Core material 12 Adhesive layer 13 Coating layer 14 Partition wall 20 Integral extrusion machine 21 First extruder (for adhesive layer) 22 1st die (for adhesive layer) 23 Second extruder (for coating layer) 24 2nd die (for coating layer)

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)
PCT/JP2021/044836 2020-12-09 2021-12-07 一体押出成形体 Ceased WO2022124286A1 (ja)

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Application Number Priority Date Filing Date Title
JP2022568281A JP7821123B2 (ja) 2020-12-09 2021-12-07 一体押出成形体
JP2025191646A JP2026012477A (ja) 2020-12-09 2025-11-12 一体押出成形体

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JP2020-203872 2020-12-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004098334A (ja) * 2002-09-05 2004-04-02 Kurabo Ind Ltd 木質感を有する多層押出成形体
WO2012039369A1 (ja) * 2010-09-21 2012-03-29 倉敷紡績株式会社 一体押出成形体および建築用部材
WO2016006707A1 (ja) * 2014-07-11 2016-01-14 倉敷紡績株式会社 曲げ加工品
JP2017210742A (ja) * 2016-05-24 2017-11-30 積水樹脂株式会社 床材
WO2019188827A1 (ja) * 2018-03-26 2019-10-03 倉敷紡績株式会社 一体押出成形体の組立体、建築用部材及び一体押出成形体の組立体の製造方法
JP2020165125A (ja) * 2019-03-28 2020-10-08 株式会社Ｌｉｘｉｌ 建材

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004098334A (ja) * 2002-09-05 2004-04-02 Kurabo Ind Ltd 木質感を有する多層押出成形体
WO2012039369A1 (ja) * 2010-09-21 2012-03-29 倉敷紡績株式会社 一体押出成形体および建築用部材
WO2016006707A1 (ja) * 2014-07-11 2016-01-14 倉敷紡績株式会社 曲げ加工品
JP2017210742A (ja) * 2016-05-24 2017-11-30 積水樹脂株式会社 床材
WO2019188827A1 (ja) * 2018-03-26 2019-10-03 倉敷紡績株式会社 一体押出成形体の組立体、建築用部材及び一体押出成形体の組立体の製造方法
JP2020165125A (ja) * 2019-03-28 2020-10-08 株式会社Ｌｉｘｉｌ 建材

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