WO2021085452A1 - Panneau intérieur - Google Patents

Panneau intérieur Download PDF

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Publication number
WO2021085452A1
WO2021085452A1 PCT/JP2020/040366 JP2020040366W WO2021085452A1 WO 2021085452 A1 WO2021085452 A1 WO 2021085452A1 JP 2020040366 W JP2020040366 W JP 2020040366W WO 2021085452 A1 WO2021085452 A1 WO 2021085452A1
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WO
WIPO (PCT)
Prior art keywords
resin layer
layer
back surface
flame
interior panel
Prior art date
Application number
PCT/JP2020/040366
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English (en)
Japanese (ja)
Inventor
岡田　芳弘
恒也 田中
一哲 梅岡
悠吉 新田
Original Assignee
パナソニックＩｐマネジメント株式会社
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Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Publication of WO2021085452A1 publication Critical patent/WO2021085452A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements

Definitions

  • the present invention relates to an interior panel constituting a ceiling or wall of a building.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide an interior panel which has flame retardancy and can improve the surface design while reducing the weight.
  • the interior panel according to the present invention is an interior panel constructed with the back surface side facing the interior base side, and is a metal flame-retardant layer provided on the indoor side of the foamed resin layer.
  • the interior panel according to the present invention has the above-mentioned structure, so that the surface design can be improved while having flame retardancy and reducing the weight.
  • FIGS. 1 and 2 are diagrams schematically showing an example of an interior panel according to the present embodiment and an example of a manufacturing method thereof.
  • the interior panel according to the present embodiment constitutes the ceiling panel 1, and as shown in FIG. 1, is constructed with the back surface side facing the ceiling base 3 side as the interior base.
  • the ceiling panel 1 includes a foamed resin layer 20 and a surface layer 10 provided on the indoor side of the foamed resin layer 20. With such a configuration, it is possible to reduce the weight as compared with a wood-based board or a gypsum board.
  • the ceiling base 3 to which the ceiling panel 1 is fixed may be a wooden ceiling base or a steel ceiling base. Further, the ceiling base 3 may be a so-called light ceiling base using a light iron material. In the illustrated example, an example is shown in which the ceiling base 3 is a so-called suspended ceiling in which the field edge 5 is suspended via a hanging member 4 such as a hanging tree or a hanging bolt, but various configurations are shown. It may be a thing.
  • the ceiling panel 1 may be fixed to the field edge 5 by a fixing tool such as a screw or a nail fixed to the field edge 5 so as to penetrate the side end portion 2. Further, the ceiling panel 1 is provided at the first end portion in one direction of the adjacent ceiling panel 1, and the hook portion provided at the second end portion in one direction is hooked on the hooked portion fixed to the field edge 5. It may be fixed. In this case, the end portion in the other direction may be fixed to the field edge 5 by a magnet. Further, in the illustrated example, an example is shown in which the ceiling panel 1 is constructed so that a watermark-like gap is formed between the end faces of the side end portions 2 and 2 facing each other in one direction of the adjacent ceiling panels 1 and 1. However, it is not limited to such an aspect.
  • the ceiling panel 1 may be constructed as the ceiling of a relatively small building such as a residence or an office, and may be used in various relatively large buildings such as a gymnasium, a hall, a shopping mall, a factory, or a school. It may be constructed as a ceiling. Further, the ceiling panel 1 may have a mass of 2.0 kg or less per unit area (1 m 2). Preferably, the ceiling panel 1 may have a mass of 1.0 kg or less per 1 m 2. With such a configuration, it is possible to reduce the weight of the entire ceiling system composed of the ceiling panel 1, the field edge 5, and the field edge receiver. For example, the mass of the entire ceiling system can be 2.0 kg / m 2 or less.
  • the mass of the ceiling panel 1 may be such that the mass of the entire ceiling system including the ceiling base 3 made of the light ceiling base as described above is 2.0 kg / m 2 or less.
  • the interior panel according to the present embodiment is not limited to the one that constitutes the ceiling panel 1, and may be the one that constitutes the wall panel.
  • the wall base such as studs and studs may be grasped as the interior base.
  • the ceiling panel 1 may have a substantially rectangular shape when viewed in a plan view (viewed in the thickness direction).
  • the ceiling panel 1 may have a substantially square shape in a plan view, or may have a substantially rectangular shape.
  • the size of the ceiling panel 1 in a plan view may be an appropriate size from the viewpoint of handleability, workability, etc.
  • the length of one side may be 0.3 m or more. It may be 2.0 m or less.
  • the length of the short side may be 0.3 m or more and the length of the long side may be 2.0 m or less.
  • the length of one side may be 0.6 m or more and 1.5 m or less, or about 0.9 m to 1.2 m. ..
  • the thickness of the ceiling panel 1 may be, for example, about 2.5 mm to 15.0 mm, preferably about 3.0 mm to 12.0 mm, and more preferably about 3.0 mm to 12.0 mm, although it depends on the layer structure and the like. May be about 3.0 mm to 6.0 mm.
  • the surface layer 10 is laminated with a metal flame-retardant layer 13 provided on the indoor side of the foamed resin layer 20 and on the indoor side of the flame-retardant layer 13 via an adhesive resin layer 12 containing a colorant.
  • a glass fiber sheet 11 having transparency that allows the color tone of the adhesive resin layer 12 to be visually recognized from the indoor side is provided. With such a configuration, flame retardancy on the indoor side can be improved.
  • the adhesive resin layer 12 containing the colorant can make the metal flame-retardant layer 13 inconspicuous, and the color tone of the adhesive resin layer 12 can be visually recognized through the glass fiber sheet 11. That is, the adhesive resin layer 12 visually recognized through the glass fiber sheet 11 functions as the finishing color of the surface of the ceiling panel 1.
  • the surface design can be improved without increasing the mass and the amount of heat generated, as compared with those requiring painting or the like on the surface or those to which a decorative sheet such as printing paper or veneer is attached. ..
  • the cost can be reduced, and the rigidity and flame retardancy can be improved.
  • the flame-retardant layer 13 is provided on the indoor side of the foamed resin layer 20 via the fiber-reinforced resin layer 14.
  • the fiber reinforced resin layer 14 functions as a reinforcing layer, and the bending rigidity and dimensional stability of the entire ceiling panel 1 can be improved. As a result, it is possible to effectively suppress sagging after construction while reducing the weight, which makes the ceiling panel 1 suitable.
  • the glass fiber sheet 11 is in the form of a thin sheet having a thickness of about 0.1 mm to 0.5 mm, and constitutes a decorative surface of the ceiling panel 1.
  • the glass fiber sheet 11 may have a basis weight of about 20 g / m 2 to 250 g / m 2 .
  • the glass fiber sheet 11 is a glass non-woven fabric (glass paper) having a basis weight of 20 g / m 2 to 100 g / m 2.
  • the basis weight of the glass fiber sheet 11 may be more preferably 30 g / m 2 to 75 g / m 2 .
  • the glass fiber sheet 11 may be a sheet in which short fiber-like glass fibers are bonded and integrated in a sheet shape by an appropriate resin-based binder by an appropriate papermaking method. Further, the glass fiber sheet 11 may be transparent, translucent, or white as long as the color tone of the adhesive resin layer 12 on the back surface side has a certain degree of transparency that can be visually recognized. ..
  • the flame-retardant layer 13 may be appropriately configured so that the ceiling panel 1 satisfies the technical standards for performance required for non-combustible materials and the like specified in the Building Standards Act.
  • the ceiling panel 1 may be configured to satisfy the standard of "flame-retardant material" in the technical standard, and preferably may be configured to satisfy the standard of "quasi-non-combustible material". More preferably, it may be configured to meet the criteria for "non-combustible material”.
  • the flame-retardant layer 13 may be, for example, a foil-shaped aluminum sheet in the form of a thin sheet.
  • the thickness of the aluminum sheet constituting the flame-retardant layer 13 may be about 5 ⁇ m to 50 ⁇ m, preferably about 7 ⁇ m to 40 ⁇ m, and more preferably about 10 ⁇ m to 30 ⁇ m.
  • the flame retardant layer 13 is not limited to the one having the above-mentioned configuration, and other various configurations can be adopted.
  • the main component of the adhesive resin layer 12 in which the glass fiber sheet 11 and the flame-retardant layer 13 are laminated and integrated is a polyethylene-based resin.
  • the polyethylene-based resin may be low-density polyethylene (LDPE).
  • the content of the colorant in the adhesive resin layer 12 may be 2 to 14% by mass. With such a configuration, effective coloring is possible as compared with the one in which the content of the colorant is too low, and it is more effective than the one in which the content of the colorant is too high. Adhesion is possible.
  • 80% by mass or more of the colorant may be an inorganic pigment. With such a configuration, concealment and flame retardancy can be improved as compared with those in which most of the colorants are composed of organic pigments and dyes. Further, all of the colorants contained in the adhesive resin layer 12 may be inorganic pigments.
  • the inorganic pigment contained in the adhesive resin layer 12 an appropriate one may be adopted so that the ceiling panel 1 has a desired surface finish color.
  • the inorganic pigment include titanium oxide, silica, zinc oxide, carbon black, iron oxide, antimony, chromium, umber, copper, manganese, cadmium yellow, cadmium red, ultramarine, etc.
  • the colorant contained in the adhesive resin layer 12 may be an organic pigment or a dye in addition to or in place of the inorganic pigment.
  • the color tone of the colorant contained in the adhesive resin layer 12 may be a light color such as white, ivory, beige, milky white, or gray, a dark color such as navy blue or black, and various other colors. But it may be.
  • the adhesive resin layer 12 is made white, it may contain a white pigment such as titanium oxide or silica.
  • the adhesive resin layer 12 is beige, it may contain a white pigment such as titanium oxide or silica and a brown pigment such as amber in an appropriate ratio.
  • the adhesive resin layer 12 is a resin containing transparent, translucent, transparent white resin pellets (virgin material) and a colorant (inorganic pigment) as described above at a relatively high content. It may be formed from a resin material containing pellets (master batch material).
  • the masterbatch material may contain a polyethylene-based resin as a resin main component and a colorant (inorganic pigment) at a content of about 30 to 70% by mass.
  • the content of the masterbatch material in the resin material containing the masterbatch material and the virgin material containing a polyethylene-based resin as a resin main component may be about 3 to 20% by mass.
  • a virgin material and a masterbatch material as described above are mixed and melted by heating to form a thin film, and a thin film is interposed between the flame retardant layer 13 and the glass fiber sheet 11. It may be solidified and formed.
  • the thickness of the adhesive resin layer 12 may be an appropriate thickness from the viewpoint of concealing the flame-retardant layer 13 and reducing the weight.
  • the thickness may be about 5 ⁇ m to 50 ⁇ m, preferably 10 ⁇ m to 30 ⁇ m. It may be about.
  • the colorant contained in the adhesive resin layer 12 is not limited to that contained in the masterbatch material mixed with the resin as described above to form pellets, and may be used as the main material constituting the adhesive resin layer 12. On the other hand, it may be in the form of powder or liquid to be added.
  • the resin main component constituting the adhesive resin layer 12 is not limited to the polyethylene-based resin, and may be another resin such as an acrylic resin or a urethane-based resin.
  • the adhesive resin layer 12 containing the colorant is not limited to the one having the above-mentioned structure, and may have various other structures.
  • the fiber reinforced resin layer 14 is a glass fiber reinforced resin layer containing glass fibers. Further, the fiber-reinforced resin layer 14 has the same resin main component as the resin main component of the foamed resin layer 20. With such a configuration, the compatibility in each layer is improved, and boundary peeling and the like can be prevented from occurring.
  • the reinforcing fiber sheet (glass fiber sheet) 15 constituting the fiber-reinforced resin layer 14 is a glass cloth having a grain size of 50 g / m 2 to 300 g / m 2. With such a configuration, it is possible to secure an appropriate flexural rigidity while reducing the weight.
  • the basis weight of the reinforcing fiber sheet 15 may be preferably 50 g / m 2 to 150 g / m 2 , and more preferably 50 g / m 2 to 100 g / m 2 .
  • Such a reinforcing fiber sheet 15 may be in the form of a thin sheet having a thickness of about 0.05 mm to 0.5 mm.
  • the reinforcing fiber sheet 15 is preferably a woven fabric made of glass fiber, and may be, for example, a glass cloth which is a woven fabric such as a plain weave or a leno weave woven by using glass roving for the warp and weft. By using a glass cloth, it is possible to prevent thermal deformation from occurring.
  • the reinforcing fiber sheet 15 is not limited to such a glass cloth, and may be a glass paper or a glass mat.
  • the fiber reinforced resin layer 14 is formed by impregnating the reinforced fiber sheet 15 with the resin composition constituting the foamed resin layer 20. That is, the fiber reinforced resin layer 14 is integrally provided on a part of the foamed resin layer 20. With such a configuration, boundary peeling and the like can be made less likely to occur as compared with a separately prepared sheet constituting the fiber reinforced resin layer laminated on the foamed resin layer 20. Moreover, the manufacturing efficiency can be improved.
  • the fiber-reinforced resin layer 14 may be configured to contain air bubbles by foaming the resin composition.
  • the reinforcing fiber sheet 15 is laminated and integrated with an appropriate adhesive on the ceiling base 3 side of the glass fiber sheet 11 and the flame retardant layer 13 which are laminated and integrated via the adhesive resin layer 12.
  • the front surface side composite sheet 10A may be laminated and integrated with the foamed resin layer 20 by the resin composition constituting the foamed resin layer 20.
  • the flame-retardant layer 13 may be at least partially adhered to the resin composition that has passed through the reinforcing fiber sheet 15 constituting the fiber-reinforced resin layer 14.
  • the adhesive for laminating and integrating the flame-retardant layer 13 and the reinforcing fiber sheet 15 may be an acrylic resin-based adhesive. Further, this adhesive may be applied to the reinforcing fiber sheet 15 so as to allow the resin composition constituting the fiber reinforcing resin layer 14 to seep out from the reinforcing fiber sheet 15. With such a configuration, peeling can be suppressed, wrinkles and the like are less likely to be formed, and manufacturing efficiency can be improved, as compared with the case where the flame-retardant layer 13 is laminated via an adhesive or the like. it can.
  • the ceiling panel 1 has a back surface side fiber reinforced resin layer 18 provided on the ceiling base 3 side which is the back surface side of the foamed resin layer 20, and a ceiling base 3 of the back surface side fiber reinforced resin layer 18.
  • a back surface layer 16 including a back surface side flame retardant layer 17 provided on the side is provided.
  • the fiber reinforced resin layer 14 is also provided on the indoor side. That is, the foamed resin layer 20 is sandwiched between the fiber reinforced resin layers 14 and 18 forming the reinforcing layers on both sides in the thickness direction. With such a configuration, flexural rigidity and dimensional stability can be improved more effectively.
  • the back surface side fiber reinforced resin layer 18 has the same resin main component and resin main component as the foamed resin layer 20 in substantially the same manner as the fiber reinforced resin layer 14 constituting the front surface layer 10 described above. Further, similarly to the above, the back surface side fiber reinforced resin layer 18 is formed by impregnating the same reinforced fiber sheet (glass fiber sheet) 19 as described above with the resin composition constituting the foamed resin layer 20.
  • the fiber-reinforced resin layer 18 on the back surface side may be configured to contain air bubbles by foaming the resin composition as described above.
  • the flame retardant layer 17 on the back surface side may be an aluminum sheet as in the flame retardant layer 13 described above.
  • the back surface side flame retardant layer 17 also functions as an exudation suppressing layer that suppresses exudation of the resin composition constituting the back surface side fiber reinforced resin layer 18. With such a configuration in which the flame retardant layer 17 on the back surface side is provided, the flame retardancy on the back surface side can be improved, and improvement in heat shielding property and electromagnetic wave shielding property can be expected.
  • the back surface side flame retardant layer 17 may be a sheet thinner than the flame retardant layer 13 described above. For example, the thickness of the flame-retardant layer 17 on the back surface side may be about 2/5 to 3/5 of the thickness of the flame-retardant layer 13.
  • the back surface side composite sheet in which the reinforcing fiber sheet 19 constituting the back surface side fiber reinforced resin layer 18 is laminated and integrated with the back surface side flame retardant layer 17 with an appropriate adhesive is the foamed resin layer 20.
  • the foamed resin layer 20 may be laminated and integrated with the resin composition constituting the above.
  • the flame retardant layer 17 on the back surface side may be at least partially adhered to the resin composition that has passed through the reinforcing fiber sheet 19 constituting the fiber reinforced resin layer 18 on the back surface side.
  • the resin composition constituting the foamed resin layer 20 was partially adhered to the flame retardant layer 17 on the back surface side so as to exude from the reinforcing fiber sheet 19 having a reduced basis weight and a large number of gaps. It may be a thing.
  • the adhesive for laminating and integrating the flame-retardant layer 17 on the back surface side and the reinforcing fiber sheet 19 may be an acrylic resin-based adhesive. Further, this adhesive may be applied to the reinforcing fiber sheet 19 so as to allow the resin composition constituting the back surface side fiber reinforcing resin layer 18 to seep out from the reinforcing fiber sheet 19.
  • the foamed resin layer 20 occupies most of the ceiling panel 1.
  • the thickness of the foamed resin layer 20 is preferably 80% to 99%, more preferably 85% to 95% of the thickness of the ceiling panel 1.
  • the thickness of the foamed resin layer 20 may be, for example, about 2.3 mm to 14.8 mm, preferably about 2.5 mm to 11.5 mm, and more preferably about 2.5 mm to 5.5 mm. It may be a degree.
  • the resin composition constituting the foamed resin layer 20 is a foamed polyurethane resin having a foaming ratio of 10 to 30 times. With such a configuration, weight reduction can be achieved.
  • one or both of the front surface layer 10 and the back surface layer 16 on both sides of the foamed resin layer 20 in the thickness direction are laminated and integrated with the foamed resin layer 20 by the resin composition constituting the foamed resin layer 20 as described above. It is possible to improve the manufacturing efficiency.
  • the expansion ratio of the resin composition constituting the foamed resin layer 20 is preferably about 15 to 25 times.
  • the resin composition constituting the foamed resin layer 20 is a flame-retardant polyurethane resin composition.
  • the flame retardancy non-flammability
  • the total calorific value can be reduced.
  • a flame-retardant polyurethane resin composition may be configured to include a polyisocyanate compound, a polyol compound, a catalyst, a foaming agent, a defoaming agent, and an additive.
  • such a flame-retardant polyurethane resin composition may further contain a flame retardant, a filler, and an inorganic filler.
  • a flame retardant examples include polyurethane resin, polystyrene resin, polyethylene resin, polypropylene resin, phenol resin, epoxy resin and the like.
  • the end surface 24 orthogonal to the indoor side surface 21 of at least one side end portion 23 of the foamed resin layer 20 and the back surface 22 orthogonal to the end surface 24 are from the portion covering the indoor side surface 21. It is covered with an extension portion 10b of the surface layer 10 extending in a series. With such a configuration, flame retardancy on the end surface and the back surface of at least one side end portion 2 of the ceiling panel 1 can be improved.
  • the end face 24 of the foamed resin layer 20 It is possible to delay the combustion from the end face of the ceiling panel 1 as compared with the exposed one. Further, as compared with the case where the end face 24 of the foamed resin layer 20 is exposed, it is possible to suppress moisture absorption from the end face of the ceiling panel 1. Further, since the fiber reinforced resin layer 14 is provided in a series on the end face and the back surface of the one side end portion 2, the bending rigidity at the one side end portion 2 can be improved.
  • the chamber is compared with, for example, a case where an edge sheet is attached to cover the end surface.
  • the appearance of the inner corner (edge) can be improved.
  • peeling of the surface layer 10 can be suppressed.
  • a fixing tool such as a screw is fastened to a portion where an extension portion 10b (end back surface layer 10d) is provided on the back surface of the one-side end portion 2, the stopper holding force is increased. It can also be improved.
  • the extension portion 10b covers the ceiling base 3 side of the back surface layer 16 of the one side end portion 2 provided up to the corner portion between the back surface 22 and the end surface 24 of the foamed resin layer 20. It has the configuration provided in. With such a configuration, the fiber reinforced resin layers 14 and 18 and the flame retardant layers 13 and 17 are provided in a plurality of layers on the back surface side of the one side end portion 2, so that the flexural rigidity of the one side end portion 2 is obtained. Can be improved more effectively.
  • the back surface layer 16 may be provided so as to cover the back surface 22 of the foamed resin layer 20 over the entire surface.
  • the extending portion 10b extends in a series from the indoor side surface layer 10a constituting the indoor side surface of the ceiling panel 1 and forming a portion covering the indoor side surface 21 of the foamed resin layer 20.
  • the extension portion 10b includes an end face layer 10c that covers the end surface 24 of the one side end portion 23 of the foamed resin layer 20, and an end back surface layer 10d that covers the ceiling base 3 side of the back surface layer 16 of the one side end portion 2. including.
  • the extension portion 10b including the end face layer 10c and the end back surface layer 10d as described above may be preferably provided at both side end portions 2 and 2 in one direction of the ceiling panel 1. With such a configuration, it is possible to improve the flame retardancy of the end faces of the side end portions 2 and 2 in one direction of the ceiling panel 1. Further, the ceiling panel 1 may be provided with an extension portion 10b including an end face layer 10c and an end back surface layer 10d on the side end portions 2, 2, 2, 2 on the four circumferences. With such a configuration, it is possible to improve the flame retardancy at the end faces of the side end portions 2, 2, 2, 2 of the four circumferences of the ceiling panel 1. Since each of the side end portions 2, 2, 2, and 2 has the same configuration, the details thereof will be described below by taking one side end portion 2 as an example.
  • the end surface of the side end portion 2 is orthogonal to the indoor side surface and the back surface of the ceiling panel 1.
  • the orthogonal shape is not limited to the one in which the angle formed by the end surface and the indoor side surface and the back surface is 90 degrees, and also includes, for example, the one having an angle of about 85 degrees to 95 degrees.
  • the angle formed by the end faces and the indoor side surface may be less than 90 degrees (for example, 85 degrees to 89 degrees). With such a configuration, it is possible to prevent a gap from being generated on the indoor side when the end faces of the adjacent ceiling panels 1 and 1 are brought into contact with each other for construction.
  • the end surface 24 of the side end portion 23 of the foamed resin layer 20 has the same orthogonal shape as the above with respect to the indoor side surface 21 and the back surface 22 of the foamed resin layer 20.
  • the extension portion 10b is formed so that the groove bottom is located in the fiber reinforced resin layer 14 at a position corresponding to the indoor side corner portion and the back surface side corner portion of the end surface 24 of the one side end portion 23 of the foamed resin layer 20. It may be bent at a portion where a bent groove is provided and attached to one side end portion 23.
  • the extension portion 10b may be composed of only the surface layer 10 including the fiber reinforced resin layer 14, but may be one in which a part of the foamed resin layer 20 is provided on the back surface side, or the fiber reinforced resin layer. A part of 14 may be excised. Further, the dimension (width dimension) along the extension direction of the end back surface layer 10d of the extension portion 10b is appropriately determined from the viewpoint of the strength of the side end portion 2, the viewpoint of suppressing peeling, the viewpoint of weight reduction, and the like. It may be the dimension of. For example, the width dimension of the end back surface layer 10d may be about 1 to 15 times, preferably about 2 to 10 times, the thickness dimension of the ceiling panel 1.
  • a concave step portion for receiving the end back surface layer 10d may be provided on the back surface side of the side end portion 2.
  • Such a concave step portion may be formed by cutting by cutting or the like, or may be formed by compression.
  • the overlap of the bent extension portions 10b is appropriately reduced at the corner portions.
  • a notch-shaped recess may be provided.
  • the ceiling panel 1 having the above-described structure is formed by supplying the resin composition constituting the foamed resin layer 20 to the surface-side composite sheet 10A constituting the surface layer 10. It may be.
  • the foamed resin layer 20 and the reinforcing fiber sheet 15 are shown as individual layers in FIG. 2, in reality, as described above, a part of the resin composition constituting the foamed resin layer 20 is a reinforcing fiber.
  • the sheet 15 is impregnated to form the fiber reinforced resin layer 14.
  • the front surface side composite sheet 10A may be one that is fed from a feeding portion such as a feeding roller that has been appropriately wound up toward a transporting portion such as a transport belt.
  • the width dimensions of the glass fiber sheet 11, the adhesive resin layer 12, the flame retardant layer 13, the reinforcing fiber sheet 15, and the foamed resin layer 20 constituting the surface side composite sheet 10A may be as follows.
  • the width dimension W3 of the flame-retardant layer 13 and the reinforcing fiber sheet 15 laminated and integrated by the adhesive is the same as each other, and the width dimension W2 of the adhesive resin layer 12 is the width dimension W3 of the flame-retardant layer 13 and the reinforcing fiber sheet 15. May be larger than. That is, the adhesive resin layer 12 may be present on both outer sides of the flame-retardant layer 13 and the reinforcing fiber sheet 15 in the width direction. Further, the width dimension W2 of the adhesive resin layer 12 may be set to be equal to or less than the width dimension W1 of the glass fiber sheet 11. That is, the adhesive resin layer 12 may be provided so as not to be exposed on both outer sides of the glass fiber sheet 11 in the width direction.
  • the width dimension W4 of the foamed resin layer 20 may be smaller than the width dimension W2 of the adhesive resin layer 12, and the width dimension W3 or more of the flame retardant layer 13 and the reinforcing fiber sheet 15 may be set. That is, the foamed resin layer 20 may be provided so as to cover the flame-retardant layer 13 and the reinforcing fiber sheet 15 as a whole and not to be exposed on both outer sides of the adhesive resin layer 12 in the width direction.
  • the resin composition constituting the foamed resin layer 20 is supplied (coated) to the surface side composite sheet 10A transported on the transport portion, the resin composition is the surface of the glass fiber sheet 11.
  • the adhesive resin layer 12 can suppress the exudation to the side. As a result, it is possible to suppress the appearance defect of the glass fiber sheet 11 which is the decorative surface, and it is possible to prevent the exuded resin composition from adhering to the transport portion. Further, while reducing the cost by setting the flame-retardant layer 13 and the reinforcing fiber sheet 15, which are relatively expensive, to the minimum width dimension W3, the adhesive resin layer 12 is adhered by increasing the width dimension W2.
  • the resin layer 12 can function as an exudation suppressing layer.
  • the back surface side composite sheet constituting the back surface layer 16 is arranged so as to cover the resin composition supplied in this way, and the resin composition is controlled while controlling the thickness. It may be foamed and molded. Similar to the above, the back surface side composite sheet may be unwound from the manipulating portion in an appropriate winding state toward the transporting portion. Further, the width dimensions of the back surface side flame retardant layer 17 and the reinforcing fiber sheet 19 laminated and integrated by the adhesive constituting the back surface side composite sheet may be the same as each other, and the foamed resin layer 20 may be the same. Width dimension W4 or more may be used.
  • the flame retardant layer 17 on the back surface side and the reinforcing fiber sheet 19 may be provided so as to cover the foamed resin layer 20 as a whole.
  • the extension portion 10b as described above may be formed at the four peripheral end portions and bent so as to be involved in forming the ceiling panel 1.
  • the fiber-reinforced resin layers 14 and 18 on both sides of the foamed resin layer 20 in the thickness direction are formed by impregnating the reinforcing fiber sheets 15 and 19 with the resin composition constituting the foamed resin layer 20.
  • the present invention is not limited to such an embodiment. Assuming that both or one of the fiber-reinforced resin layers 14 and 18 on both sides of the foamed resin layer 20 in the thickness direction is formed separately from the foamed resin layer 20 and laminated and integrated with an appropriate adhesive. May be good.
  • both or one of the flame-retardant layer 13 and the back-side flame-retardant layer 17 may be laminated and integrated with the fiber-reinforced resin layers 14 and 18 with an appropriate adhesive.
  • the back surface layer 16 including the back surface side fiber reinforced resin layer 18 and the back surface side flame retardant layer 17 is provided on the ceiling base 3 side of the foamed resin layer 20 is shown.
  • the reinforced resin layer 18 and the back surface side flame retardant layer 17 may not be provided or one of them.
  • the flame-retardant layer 13 is provided on the indoor side of the foamed resin layer 20 via the fiber-reinforced resin layer 14, but the fiber-reinforced resin layer 14 may not be provided.
  • the configuration of each of the above-mentioned parts of the ceiling panel 1 as the interior panel according to the present embodiment is merely an example, and various other modifications are possible.
  • Ceiling panel (interior panel) 11 Glass fiber sheet 12 Adhesive resin layer 13 Flame-retardant layer 14 Fiber-reinforced resin layer 16 Back-side layer 17 Back-side flame-retardant layer 18 Back-side fiber-reinforced resin layer 20 Foamed resin layer 3
  • Ceiling base (interior base)

Abstract

Un panneau intérieur (1) est construit de telle sorte qu'un côté surface arrière est orienté vers un côté fondation intérieure (3), le panneau intérieur (1) comprenant : une couche ignifuge métallique (13) disposée sur le côté intérieur d'une couche de résine de mousse (20) ; et une feuille de fibre de verre (11) stratifiée sur le côté intérieur de la couche ignifuge avec une couche de résine adhésive contenant un colorant (12) interposée entre celles-ci, la feuille de fibre de verre étant transparente et permettant à la tonalité de couleur de la couche de résine adhésive d'être visuellement confirmée depuis le côté intérieur.
PCT/JP2020/040366 2019-10-31 2020-10-28 Panneau intérieur WO2021085452A1 (fr)

Applications Claiming Priority (2)

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JP2019198297 2019-10-31
JP2019-198297 2019-10-31

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WO2021085452A1 true WO2021085452A1 (fr) 2021-05-06

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02236350A (ja) * 1988-10-06 1990-09-19 Shikoku Kaken Kogyo Co Ltd 表層硬質化粧建材
JP2003093892A (ja) * 2001-09-25 2003-04-02 Sumitomo Metal Ind Ltd 光触媒製品用の金属材とその金属材および製品の製造方法
JP2019167764A (ja) * 2018-03-26 2019-10-03 パナソニックＩｐマネジメント株式会社 内装パネル及び内装パネルの製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02236350A (ja) * 1988-10-06 1990-09-19 Shikoku Kaken Kogyo Co Ltd 表層硬質化粧建材
JP2003093892A (ja) * 2001-09-25 2003-04-02 Sumitomo Metal Ind Ltd 光触媒製品用の金属材とその金属材および製品の製造方法
JP2019167764A (ja) * 2018-03-26 2019-10-03 パナソニックＩｐマネジメント株式会社 内装パネル及び内装パネルの製造方法

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