JPWO2017164199A1 - Surface cosmetic panel and cosmetic panel provided with the same - Google Patents

Abstract

  The surface decorative panel (20) is a flame-retardant surface layer provided with a thermosetting resin-impregnated decorative paper (23) on the surface side of a resin-impregnated glass fiber nonwoven fabric sheet (22) containing an endothermic metal hydroxide ( 21) and a glass fiber reinforced resin layer (25) provided on the back side of the surface layer.

Description

  The present invention relates to a surface decorative panel used as an interior panel, a surface material of furniture, etc., and a decorative panel provided with the same.

Conventionally, as a fire-resistant surface decorative panel (face material) used as a fitting panel such as an open door or a sliding door, an interior panel such as a ceiling panel, a wall panel (partition panel), a surface material of furniture, etc. Some are made of metal-based materials. The use of a face material made of such a metal-based material tends to make it relatively heavy, and also causes problems such as deterioration in processability and texture.
For example, in Patent Document 1 below, melamine having a surface layer base material on which a resin containing a melamine resin is supported is provided on the surface of a prepreg formed by impregnating a resin composition containing a thermoplastic resin or the like into glass cloth. A decorative board is disclosed.

Unexamined-Japanese-Patent No. 2012-116091

  However, with the decorative board described in Patent Document 1 described above, although thinning can be achieved, it is relatively fragile and easily warped, so a moisture proof sheet or the like is interposed in a substrate made of wood board such as MDF (medium density fiber board). It is necessary to stack and use it, and further improvement is desired.

  This invention is made in view of the said situation, and although it is possible to attain thickness reduction and weight reduction, the surface decorative panel which can improve impact resistance, and a cosmetic panel provided with this are provided. The purpose is that.

  In order to achieve the above object, the surface decorative panel according to the present invention is a flame retardant in which a thermosetting resin-impregnated decorative paper is provided on the surface side of a resin-impregnated glass fiber non-woven board containing an endothermic metal hydroxide. A surface layer and a glass fiber reinforced resin layer provided on the back side of the surface layer are provided.

  Further, in order to achieve the above object, a decorative panel according to the present invention comprises a surface decorative panel according to the present invention, and a panel core member on which the surface decorative panel is provided at least on one side in the thickness direction. It is characterized by

  The surface decorative panel according to the present invention and the decorative panel provided with the same according to the above-described configuration can improve impact resistance while achieving thickness reduction and weight reduction.

(A) is a partially broken schematic cross-sectional view schematically showing an example of a surface decorative panel according to an embodiment of the present invention, and (b) is an embodiment of the present invention provided with the surface decorative panel. An example of the decorative panel which concerns is shown typically, It is the partially broken schematic cross-sectional view made to respond | correspond to the XX arrow in FIG.2 (b). (A) is a partially broken schematic exploded cross-sectional view of the same decorative panel, (b) is a partially broken schematic front view of the same decorative panel, (b) is an example of a panel core material provided in the same decorative panel It is a partially broken schematic front view shown typically.

Hereinafter, embodiments of the present invention will be described based on the drawings.
FIG.1 and FIG.2 is a figure which shows typically an example of a surface decorative panel which concerns on this embodiment, and an example of a decorative panel provided with this.

In the surface decorative panel 20 according to the present embodiment, as shown in FIG. 1A, a thermosetting resin-impregnated decorative paper 23 is provided on the surface side of a resin-impregnated glass fiber non-woven fabric sheet 22 containing an endothermic metal hydroxide. The flame-retardant surface layer 21 is provided. The surface decorative panel 20 also includes a glass fiber reinforced resin layer 25 provided on the back side of the surface layer 21.
Further, as shown in FIG. 1B, the decorative panel 1 according to the present embodiment includes the surface decorative panel 20 and a panel core 10 provided with the surface decorative panel 20 at least on one side in the thickness direction. And. Further, in the present embodiment, the decorative panel 1 is configured such that the surface decorative panels 20 and 20 are provided on both sides of the panel core material 10 in the panel thickness direction.

  As shown in FIG. 2A, the decorative panel 1 has a substantially rectangular flat shape elongated in one direction. This decorative panel 1 is used as a partition panel, partition panel or the like for opening and closing the entrance and the storage opening when the decorative panel 1 has decorative surfaces on both sides in the thickness direction as in the present embodiment. It may be Further, instead of the aspect in which both sides in the thickness direction are made into a decorative surface as described above, the surface decorative panel 20 may be provided only on one side in the panel thickness direction of the panel core material 10. Also in this case, it is possible to use for the same application as described above. In addition, the decorative panel 1 may be used to constitute a part of the panel, for example, the ridge portion or the end plate portion of the bowl-shaped panel. In addition, the decorative panel 1 is a ceiling panel or wall panel (partition wall panel), a waist wall panel, a floor panel, a gothira panel, an edge panel, an opening frame panel, etc. in which the side opposite to the decorative surface is directed to the mounting base side It may be used as

Further, the length dimension (upper and lower dimensions, height dimension), width dimension, thickness dimension, etc. of the decorative panel 1 may be set as appropriate depending on the application etc. of the decorative panel 1.
For example, when the decorative panel 1 is to be used as a joiner panel, the vertical dimension (door height dimension) of the decorative panel 1 is about 1800 mm to 3000 mm, the door width dimension is about 600 mm to 1200 mm, and the door thickness dimension It is good also as about 20 mm-40 mm. Also, in this case, a handle, a pull handle, etc. for opening and closing is provided at an appropriate position of the decorative panel 1, a lock device, a rotary connecting member such as a hinge, a traveling member such as a runner or a door wheel, a guide groove, etc. are provided. You may

As shown in FIG. 2C, the panel core 10 is configured such that the core 16 is accommodated in a space surrounded by the frame 11 including the four frames 12 13 13. That is, the decorative panel 1 does not have a solid plate shape, but has a so-called flash panel shape in which the surface decorative panels 20, 20 are provided on both sides in the panel thickness direction of the hollow panel core material 10.
The frame 11 is provided with an upper horizontal frame 12 constituting a four-perimeter frame 12, 13, 13, 14, a pair of vertical frames 13, 13 and a lower horizontal frame 14. Further, the frame body 11 is provided with a plurality of horizontal bars 15 and 15 provided at intervals in the vertical direction so as to be bridged by the vertical frames 13 and 13 on the left and right. Moreover, in the example of a figure, the example made into the thing made into the thing set as the structure which laminated | stacked the crosspiece on the upper side of the lower horizontal frame 14 is shown. In other words, an example is shown in which the lower horizontal frame 14 has a configuration in which a plurality of (two in the illustrated example) are vertically stacked. Moreover, the example which laminated | stacked the base member used as the process base of the attachment hole of traveling members, such as a door wheel, on the upper side of the left-right (longitudinal direction) both ends of the lower horizontal frame 14 is shown. In addition, according to the use etc. of the said decorative panel 1, running members, such as a runner, a handle, and a lock apparatus which are mentioned above in the lower side of the right-and-left both ends of upper horizontal frame 12, and inward of one vertical frame 13. It is good also as composition provided with processing grounds of a mounting hole, etc., and a mounting base. In addition, a configuration in which similar crosspieces are provided on the lower side of the upper horizontal frame 12, that is, the upper horizontal frame 12 may be similarly configured as a configuration in which a plurality of upper horizontal frames are stacked vertically. Further, instead of or in addition to the aspect in which the crosspieces 15 are provided in the frame 11, a longitudinal crosspiece that is long in the vertical direction may be provided.

Further, the four-peripheral frames 12, 13, 13, 14 and the horizontal crosspieces 15 are substantially square prisms, and the dimensions along the panel thickness direction are substantially the same so that both sides in the panel thickness direction are substantially coplanar. It is assumed to be in size. Further, in the illustrated example, the width dimensions in the direction orthogonal to the longitudinal direction and the direction along the panel thickness direction of the four-peripheral frames 12, 13, 13, 14 and the horizontal crosspiece 15 are substantially the same. There is.
The four-perimeter frames 12, 13, 13, 14 and the horizontal bars 15 are formed of either or both of a wood-based material and a synthetic resin-based material. That is, the fourth frame 12, 13, 13, 14 and the horizontal bar 15 are not configured using metal frame-shaped bars, reinforcements or the like, and both or one of a wood-based material and a synthetic resin-based material Is the main material. Examples of wood-based materials include wood laminates such as plywood and LVL (single-panel laminate), wood boards such as PB (particle board), and wood fiber boards such as MDF (medium density fiber board) and hardboard. Be Further, as the wood-based material, a wood powder-plastic composite (WPC) may be prepared by incorporating a wood powder, an inorganic filler, a compatibilizer, a coloring agent, and the like in a predetermined content ratio in a synthetic resin-based material. Further, the frame body 11 is not limited to one formed from both or one of such a wood-based material and a synthetic resin-based material, and may include a member formed from a metal-based material.

  The core material 16 of the panel core material 10 is accommodated so as to be filled in the space surrounded by the frame 11 as shown in FIG. In the present embodiment, each space in the four-perimeter frames 12, 13, 13, 14 divided up and down by the plurality of horizontal bars 15, 15 spaced apart in the vertical direction (the panel longitudinal direction) as described above The core material 16 is accommodated in each of the above. The dimension along the panel thickness direction of the core material 16 is substantially the same as the dimension along the panel thickness direction of the frame 11. Such a core member 16 may be made of a foam-molded body molded from a foamed resin-based material such as urethane foam, but in the present embodiment, a large number of hollow cylindrical cells opened on both sides in the panel thickness direction. The honeycomb core material 16 is made of an aggregate of That is, the core material 16 is a so-called paper core. Moreover, as such a core material 16, it may be formed by stacking and bonding a paper material such as cardboard base paper or kraft paper with an adhesive. The core material 16 may be one obtained by further impregnating such a paper material with a resin for reinforcement such as an epoxy resin, etc. In addition, metal materials such as aluminum material, hard polyvinyl chloride resin, polypropylene resin Etc. may be formed from synthetic resin materials such as

  Moreover, in the example of a figure, the hollow cylindrical cell of the core material 16 is shown typically, and what provided the corrugated part (corrugated part) between the thin sheets which followed thickness direction in the panel width direction was illustrated. However, it is not limited to such an aspect. As the core member 16, the hollow cylindrical cell may have a honeycomb shape (hexagonal shape), a square shape, or a cylindrical shape, and the hollow cylindrical cell may have various cell shapes. It may be taken. Further, the core member 16 may be fixed to the frame 11 by a fastener such as a staple or an adhesive. The cell size (cell diameter, cell width) of the hollow cylindrical cell of the core member 16 may be an appropriate size from the viewpoint of weight reduction, strength, etc., and may be 1 mm or more and 100 mm or less, Preferably, it may be 5 mm or more and 15 mm or less.

The surface decorative panel 20 has a thin plate shape. The surface decorative panel 20 has the same thickness (for example, about 3 mm) as a surface material using a wood-based material such as MDF conventionally used as a surface material constituting the decorative surface of various decorative panels 1 as a base material Or the like, but may have an appropriate thickness depending on the application and the like. For example, the thickness of the surface decorative panel 20 may be about 0.5 mm to 5.0 mm, preferably about 1.0 mm to 3.0 mm.
The surface layer 21 constitutes a decorative board having flame retardancy. This surface layer 21 may satisfy the technical standard regarding the performance required for the non-combustible material etc. defined in the Building Standard Law. For example, the surface layer 21 may be a flame-retardant decorative board meeting the criteria of “flame-retardant material” in this technical standard, and preferably be a quasi-combustible decorative board meeting the criteria of “quasi-combustible material”, more preferably May be a noncombustible decorative board meeting the criteria of "noncombustible material". If the surface layer 21 is a non-combustible decorative board, the surface decorative panel 20 can be used as a non-combustible surface material in various applications.

The thickness of the surface layer 21 may be an appropriate thickness in accordance with the thickness of the surface decorative panel 20. The thickness of the surface layer 21 may be, for example, about 0.25 mm to 2.0 mm, preferably about 0.5 mm to 1.0 mm. If the thickness of the surface layer 21 is too thin (small), the flame retardancy (nonflammability) tends to decrease, and if it is too thick (large), the thickness reduction and weight reduction of the surface decorative panel 20 are hindered. It tends to be done.
Further, in the present embodiment, as shown in FIG. 1A, the surface layer 21 is configured such that the thermosetting resin impregnated paper 24 is provided on the back surface side of the resin impregnated glass fiber non-woven fabric plate 22. That is, in the surface layer 21, thermosetting resin-impregnated paper (cosmetic paper) 23 and 24 are provided on both sides of the resin-impregnated glass fiber non-woven fabric plate 22.

The resin-impregnated glass fiber non-woven fabric sheet 22 constitutes the base material (core layer) of the surface layer 21, and the glass fiber non-woven fabric contains one or both of a thermoplastic resin and a thermosetting resin and an endothermic metal hydroxide. It is set as the structure impregnated with the resin composition. As a glass fiber non-woven fabric, for example, as glass paper etc. which is made by dispersing glass fiber in water, scooping by a wet paper making method, dewatering and sheeting, and applying an adhesive such as epoxy resin and acrylic resin It is also good. As the basis weight of the glass fiber nonwoven fabric, for example, 10 g / ^{m 2} or more 200 g / ^{m 2} or less ranges are exemplified. Examples of the thermoplastic resin include acrylic resin emulsions, acrylic urethanes, aqueous polyurethanes and the like. Moreover, as a thermosetting resin, a melamine formaldehyde resin, a phenol formaldehyde resin, unsaturated polyester resin etc. are illustrated.

The endothermic metal hydroxide contains crystal water, decomposes at high temperature, absorbs heat, releases bound water, and contributes to flame retardancy (non-combustibility). Examples of this endothermic metal hydroxide include aluminum hydroxide, magnesium hydroxide, calcium hydroxide and the like. Further, the amount of endothermic metal hydroxide contained in the resin-impregnated glass fiber nonwoven fabric sheet 22, for example, 100 g / ^{m 2} or more 300 g / ^{m 2} or less ranges are exemplified.
In addition, resin-impregnated glass fiber non-woven fabric sheet 22 is made of inorganic filler such as calcium carbonate other than endothermic metal hydroxide, silane coupling agent such as epoxy group-containing silane or amino group-containing silane, phosphorus, nitrogen, etc. It may be configured to contain a flame retardant.
In addition, the resin-impregnated glass fiber non-woven fabric sheet 22 is impregnated with a slurry containing at least a binder component consisting of both or one of such thermoplastic resin and thermosetting resin and an endothermic metal hydroxide, in a glass fiber non-woven fabric. It may be dried and made into a prepreg.

The thermosetting resin-impregnated decorative paper 23 is in the form of a thin sheet, and constitutes a decorative surface (design surface) of the surface decorative panel 20 (cosmetic panel 1). The thermosetting resin-impregnated decorative paper 23 has a configuration in which a decorative paper (base paper) is impregnated with a resin composition containing a thermosetting resin as a main component. The decorative paper may be printed with various patterns such as grain patterns. Also, as the decorative paper having a basis (basis weight), for example, 30 g / ^{m 2} or more 140 g / ^{m 2} or less ranges are exemplified. Moreover, as thermosetting resin, what used amino-formaldehyde resin, diallyl phthalate resin, unsaturated polyester resin etc. individually or in combination of 2 or more types is illustrated, amino-formaldehyde resin is preferable, and melamine-formaldehyde resin is especially preferable. preferable.
The thermosetting resin-impregnated paper 24 is in the form of a thin sheet, substantially the same as the thermosetting resin-impregnated decorative paper 23, and has a structure in which a base paper is impregnated with a resin composition containing a thermosetting resin as a main component. . In the illustrated example, an example in which the thickness of the thermosetting resin-impregnated paper 24 is thinner (smaller) than that of the thermosetting resin-impregnated decorative paper 23 is shown. The basis weight of the thermosetting resin impregnated paper 24 base paper (basis weight), for example, 18 g / ^{m 2} or more 40 g / ^{m 2} or less ranges are exemplified.

The surface layer 21 is formed by laminating a thermosetting resin-impregnated decorative paper 23 and a thermosetting resin-impregnated paper 24 on the front and back of the resin-impregnated glass fiber non-woven fabric plate 22 and thermopressing and integrating them with a suitable press. It may be something.
The surface layer 21 is not limited to the above embodiment, and for example, a thermosetting resin-impregnated paper (cosmetic paper) is further provided on the surface side of the thermosetting resin-impregnated decorative paper 23. It may be something. In addition, as the surface layer 21, an intermediate layer containing an endothermic metal hydroxide, a thermosetting resin-impregnated paper, or the like, between the thermosetting resin-impregnated decorative paper 23 and the resin-impregnated glass fiber nonwoven fabric plate 22. ) May be further provided. In addition, as the surface layer 21, a coating material to which a flame resistance such as a modified silica-containing synthetic resin-based paint is applied may be applied to the outermost layer, and various modifications are possible. A thermosetting resin-impregnated decorative paper 23 and a resin-impregnated glass fiber nonwoven fabric plate 22 may be provided.

  As shown in FIG. 2A, the glass fiber reinforced resin layer 25 has a structure in which the fiber sheet 28 is impregnated with the uncured resin composition 26 and the resin composition 26 is cured. I can say it. The thickness of the glass fiber reinforced resin layer 25 may be an appropriate thickness according to the thickness of the surface decorative panel 20. The thickness of the glass fiber reinforced resin layer 25 may be, for example, about 0.25 mm to 3.0 mm, preferably about 0.5 mm to 2.0 mm. If the thickness of the glass fiber reinforced resin layer 25 is too thin (small), the strength tends to decrease, and if the thickness is too thick (large), the thinning and weight reduction of the surface decorative panel 20 are hindered It tends to be done. Moreover, from such a viewpoint, more preferably, the thickness of the glass fiber reinforced resin layer 25 is 1.0 mm or less, the thickness of the surface layer 21 described above is 0.8 mm or less, and the thickness of the surface decorative panel 20 The length may be 1.8 mm or less.

Further, in the present embodiment, the fiber sheet 28 included in the glass fiber reinforced resin layer 25 is provided (located unevenly) so as to be located on the back surface side which is the opposite surface layer side in the thickness direction. . In other words, it is contained in the back layer side glass fiber reinforced resin layer 29 between the back layer side glass fiber reinforced resin layer 29 which becomes the base portion of the glass fiber reinforced resin layer 25 including the fiber sheet 28 and the surface layer 21. It is set as the structure which interposed the surface layer side resin layer 27 in which the resin composition 26 and the resin main component which are made are the same.
The surface layer-side resin layer 27 may have an appropriate thickness from the viewpoint of, for example, suppressing the boundary peeling between the glass fiber reinforced resin layer 25 and the surface layer 21. The thickness of the surface layer side resin layer 27 is, for example, in the range of 0.01 mm to 1.5 mm, preferably 0.03 to 1.0 mm, and more preferably 0.05 mm to 0.5 mm. If the thickness of the surface layer side resin layer 27 is too small, the unevenness of the fiber sheet 28 tends to appear on the surface side of the glass fiber reinforced resin layer 25. If the thickness is too large, the surface layer side resin layer 27 There is a tendency for the influence of thermal expansion due to

Further, the surface layer-side resin layer 27 is configured to be substantially free of fibers contained in the back layer-side glass fiber reinforced resin layer 29 (configuration that does not substantially include fibers). Note that the configuration that does not substantially contain fibers includes the case where fibers are slightly mixed into the surface layer side resin layer 27 in the manufacturing process or the like.
Further, the resin composition 26 constituting the surface layer side resin layer 27 is the same as the resin main component of the resin composition 26 constituting the back layer side glass fiber reinforced resin layer 29 described later. As this resin composition 26, a non-foaming or low foaming resin is exemplified. For example, as a resin main component of this resin composition 26, what used urethane (polyurethane) resin, a polystyrene resin, a polyethylene resin, a polypropylene resin, a phenol resin etc. individually or in combination of 2 or more types is illustrated.
The resin composition 26 may be a low-temperature curable thermosetting resin that cures at a relatively low temperature (for example, 40 ° C. or more and 90 ° C. or less, preferably 80 ° C. or less). According to this, it can be cured at low temperature.

  The expansion ratio of the resin composition 26 constituting the surface layer side resin layer 27 may be equal to or less than the expansion ratio of the resin composition 26 constituting the back layer side glass fiber reinforced resin layer 29. That is, the expansion ratio of the resin composition 26 constituting the surface layer side resin layer 27 may be equal to or smaller than the expansion ratio of the resin composition 26 constituting the back layer side glass fiber reinforced resin layer 29. When the resin composition 26 is a foamed resin, the foaming ratio may be 7 times or less, more preferably 5 times or less, depending on the type thereof. In addition, as the resin composition 26, a urethane resin is exemplified as a preferable example, but in this case, the foaming ratio is 1.0 times to 5.0 times, more preferably 1.0 times to 3.0. It may be double, more preferably 1.0 to 2.0 times. When the resin composition 26 is made of such a urethane resin, the resin composition 26 is excellent in the adhesion to the surface layer 21 and the impregnation into the fiber sheet 28 described later. Moreover, as a urethane resin, the ether resin and the castor oil type urethane resin which had water resistance are illustrated preferably. In addition, various additives such as a curing agent and a flame retardant can be added to the resin composition 26.

  Further, the amount of the resin composition 26 constituting the surface layer side resin layer 27 may be an appropriate amount so that the surface layer side resin layer 27 has the thickness as described above. Further, the surface layer-side resin layer 27 may be a cured resin composition 26 applied by a spray, a roller or the like on the back surface (anti-cosmetic surface) of the surface layer 21. Moreover, the resin composition 26 and the fiber sheet 28 which comprise the back layer side glass fiber reinforced resin layer 29 which will be described later are arranged in a state where the resin composition 26 which constitutes the surface layer side resin layer 27 is semi-cured (uncured). It is good also as a thing. That is, the surface layer 21 and the glass fiber reinforced resin layer 25 are integrally laminated by the resin composition 26 constituting the glass fiber reinforced resin layer 25. That is, the resin composition 26 constituting the glass fiber reinforced resin layer 25 functions as an adhesive component, and the glass fiber reinforced resin layer 25 and the surface layer 21 are integrally laminated.

The thickness of the back layer side glass fiber reinforced resin layer 29 is an appropriate thickness according to the type, basis weight, thickness and the like of the fiber sheet 28 selected according to the application etc. of the surface decorative panel 20 (cosmetic panel 1). You may The thickness of the back layer side glass fiber reinforced resin layer 29 may be, for example, about 0.1 mm to 1.0 mm, or about 0.2 mm to 0.6 mm. In the present embodiment, the thickness of the back layer side glass fiber reinforced resin layer 29 is made larger than the thickness of the surface layer side resin layer 27. For example, the thickness of the back layer side glass fiber reinforced resin layer 29 may be about twice to 10 times the thickness of the surface layer side resin layer 27.
Further, the mass of the resin contained in the back layer side glass fiber reinforced resin layer 29, that is, the mass of the uncured resin composition 26 constituting the resin contained in the back layer side glass fiber reinforced resin layer 29, and the back layer side glass The mass ratio to the mass of the glass fiber contained in the fiber reinforced resin layer 29 may be 1: 1.5 to 1: 6, preferably 1: 2.5 to 1: 4.5, or more. Preferably, 1: 3 to 1: 4 may be used. That is, the mass of the glass fiber relative to the mass 1 g / m ² of the resin contained in the back layer side glass fiber reinforced resin layer 29 may be 1.5 to 6 g / m ² , preferably ^{2.5 to 4} . may be a 5 g / ^{m 2,} more preferably, it may be 3 to 4 g / ^{m 2.} If the amount of glass fiber is too small relative to the amount of resin contained in the back layer side glass fiber reinforced resin layer 29, in other words, if the amount of resin relative to the amount of glass fiber is too large, it tends to be heavy. On the other hand, if the amount of glass fibers is too large relative to the amount of resin contained in the back layer side glass fiber reinforced resin layer 29, the rigidity tends to decrease or to be difficult to form.

The mass of the resin (uncured resin composition 26) contained in the back layer side glass fiber reinforced resin layer 29 is contained in the back layer side glass fiber reinforced resin layer 29 such that the mass ratio as described above is obtained. Appropriate from the viewpoint of mass of glass fiber, thickness of fiber sheet 28, target mass and thickness of back layer side glass fiber reinforced resin layer 29, strength and dimensional stability of surface decorative panel 20, cost, etc. It may be a mass. The mass (mass per unit area (1 m ² )) of the resin composition 26 may be, for example, 80 g / m ² or more, preferably 100 g / m ² or more, and more preferably 150 g / m ² or more. It may be Also, from the viewpoint of weight reduction and cost, the mass of the resin composition 26 may be 500 g / m ² or less, preferably 300 g / m ² or less, and more preferably 250 g / m ^2. It is good also as the following.
As described later, when the surface side resin layer 27 is not provided, the mass of the resin contained in the above-described back layer side glass fiber reinforced resin layer 29 is the mass of the resin contained in the glass fiber reinforced resin layer 25. It should be understood as

In addition, the mass (mass per unit area (1 m ² )) of the glass fibers contained in the back layer side glass fiber reinforced resin layer 29 corresponds to the mass of the resin composition 26 such that the mass ratio as described above is obtained. The mass may be set appropriately, for example, 120 g / m ² or more, or 1,500 g / m ² or less. In the same manner as described above, when the surface side resin layer 27 is not provided, the mass of the glass fiber contained in the back layer side glass fiber reinforced resin layer 29 is taken as the mass of the glass fiber contained in the glass fiber reinforced resin layer 25. You just have to grasp.
Moreover, as the fiber sheet 28 which comprises glass fiber, the woven fabric, nonwoven fabric, mat | matte, etc. of glass fiber are illustrated. As a woven fabric of glass fiber, for example, glass cloth which is woven fabric such as plain weave, entangled weave, etc. woven by using glass roving in warp and weft is exemplified. As a non-woven fabric of glass fiber, for example, a glass paper made by making glass fiber having a length of about 10 mm in substantially the same manner as described above is exemplified. As a mat of glass fiber, a glass strand cut into a long fiber shape (for example, about 30 mm in length, preferably about 50 mm in length) is uniformly dispersed in a non-directional manner so as to be nonuniform orientation, and polyester A glass mat etc. which are shape | molded in mat shape using binders, such as a binder, are illustrated.

Moreover, as a thickness of the fiber sheet 28, the range of 0.1 mm-1.0 mm is illustrated, for example. When the fiber sheet 28 is a glass mat, the thickness may be approximately 0.3 mm to 1.0 mm, and when it is a glass cloth, the thickness may be approximately 0.1 mm to 0.3 mm. It may be Moreover, as a density of a glass cloth, the thing of 30-120 / 25 mm is illustrated, for example. Moreover, as a count (thickness) of the glass thread which comprises glass cloth, the range of 67-135 tex (g / 1000 m) is illustrated, for example.
For example, a range of 50 g / m ² or more and 700 g / m ² or less is exemplified as the basis weight of the fiber sheet 28 (as described later, the basis weight of each fiber sheet 28 when laminating a plurality of fiber sheets 28). And preferably 150 g / m ² or more, more preferably 250 g / m ² or more. If the basis weight of the fiber sheet 28 is too small, the strength tends to decrease, while if too large, it tends to be heavy. When a glass cloth is used as the fiber sheet 28, the basis weight may be 200 g / m ² or more. When glass paper is used as the fiber sheet 28, the basis weight may be 50 g / m ² or more. When a glass mat is used as the fiber sheet 28, the basis weight may be 100 g / m ² or more. Moreover, as the fiber sheet 28, a glass mat or glass cloth is preferable among such a glass fiber sheet.

  In addition, according to the basis weight of the fiber sheet 28 and the mass of the glass fiber contained in the above-mentioned back layer side glass fiber reinforced resin layer 29, and from the viewpoint of suppressing the warp of the surface layer 21 etc. The sheets 28 may be stacked in the thickness direction. In this embodiment, a plurality of (two in the illustrated example) fiber sheets 28 and 28 are provided to be laminated. In this case, the fiber sheets 28, 28 may have the same basis weight. Further, as the fiber sheet 28, a woven or non-woven fabric of vegetable fibers, a film, paper, a mat or the like may be laminated on a glass fiber sheet. The vegetable fibers are not particularly limited as long as they are vegetable fiber mats and vegetable fibers used for papermaking, but when considering the strength, durability, dimensional stability, etc. of the fiber sheet 28, hemp based natural fibers, palm fibers or agricultural wastes It is preferable that it is any 1 or more types of object fiber.

  In addition, the impregnation of the resin composition 26 into the fiber sheet 28 may be performed by immersing the fiber sheet 28 in a container storing the resin composition 26 and then appropriately squeezing out the surplus portion, or by spraying the fiber sheet 28 or the like. It is good also as an aspect applied by a roller etc. Alternatively, as in the example of the production method described later, a resin composition applied on the opposite surface layer side by a spray, a roller or the like in a state where the resin composition 26 constituting the above-mentioned surface layer side resin layer 27 is cured or semi-cured. By laminating the fiber sheet 28 on 26, the fiber sheet 28 may be impregnated with the resin composition 26 as a result.

The surface decorative panel 20 configured as described above may be manufactured, for example, as an example of the following panel manufacturing method.
In this panel manufacturing method, after the uncured resin composition 26 constituting the surface layer side resin layer 27 is supplied to the back surface of the surface layer 21, the back layer side glass is positioned so as to be positioned on the back surface side of the surface layer side resin layer 27. The fiber reinforced resin layer 29 may be formed to manufacture the surface decorative panel 20. Also, for example, the surface decorative panel 20 may be manufactured using upper and lower molds whose surfaces facing each other are flat. Although depending on the type of the resin composition 26, such a mold may be a hot press provided with a heater or a medium flow passage through which a heat medium flows when curing is required for heating.

  For example, first, the surface layer 21 is placed with the decorative surface facing the upper surface of the lower mold of the upper and lower molds, that is, with the back surface (anti-cosmetic surface) facing upward. . Then, the resin composition 26 that constitutes the surface layer side resin layer 27 is applied to the back surface of the surface layer 21. The resin composition 26 is applied to the surface layer 21 by using a spray, a roller, or the like in a uniform application amount such that the surface layer side resin layer 27 has the desired thickness as described above. Good. The resin composition 26 constituting the surface layer-side resin layer 27 is supplied (coated) in a state where the lower mold is heated to an appropriate temperature (for example, a relatively low temperature of about 40 ° C. to 80 ° C.) to cure or cure. You may make it harden | cure. At this time, in addition to the heating by the lower mold, heating may be performed from the upper side by a suitable radiation heater such as a far infrared heater. In addition, although the curing (semi-curing) time in this case depends on the type and amount of the resin composition 26, it may be about 1 to 30 minutes, preferably 15 minutes or less.

  Further, after the resin composition 26 constituting the surface layer side resin layer 27 is cured or semi-cured, the uncured resin composition 26 constituting the back layer side glass fiber reinforced resin layer 29 is supplied, and the back layer side is provided. The resin composition 26 constituting the glass fiber reinforced resin layer 29 may be impregnated into the fiber sheet 28. That is, when the resin composition 26 constituting the surface layer side resin layer 27 is cured or semi-cured, the uncured resin composition 26 constituting the back layer side glass fiber reinforced resin layer 29 is applied so as to be overcoated The fiber sheet 28 may be laminated so that the resin composition 26 is impregnated. At this time, the back layer side glass fiber reinforced resin layer 29 is formed after the resin composition 26 constituting the surface layer side resin layer 27 is semi-cured or completely cured so that the fiber sheet 28 does not move substantially in the surface layer side resin layer 27. The uncured resin composition 26 and the fiber sheet 28 may be arranged. When two fiber sheets 28, 28 are provided as shown in the figure, the resin composition 26 is applied after the resin composition 26 constituting the back layer side glass fiber reinforced resin layer 29 is applied. In order to do so, two fiber sheets 28, 28 may be laminated. Alternatively, after laminating the first fiber sheet 28 so that the resin composition 26 is impregnated, the resin composition 26 is further applied, and the second fiber sheet 28 is impregnated so that the resin composition 26 is impregnated. It is good also as an aspect etc. which laminates.

Then, the surface decorative panel 20 may be manufactured by pressing the upper and lower molds and laminating and integrating the surface layer 21 and the glass fiber reinforced resin layer 25. At this time, an appropriate release agent may be applied to the lower surface of the upper mold. Alternatively, the resin composition 26 may be cured by pressing with an appropriate pressing pressure. In addition, the resin composition 26 may be cured by heating as necessary.
According to such a manufacturing method, the surface decorative panel 20 can be manufactured effectively. That is, compared with the thing which sticks the surface layer 21 after forming the glass fiber reinforced resin layer 25, manufacturing efficiency can be improved.
In the present embodiment, when the resin composition 26 constituting the surface layer side resin layer 27 is cured or semi-cured, the resin composition 26 constituting the back layer side glass fiber reinforced resin layer 29 is preceded by the fiber sheet 28. It is supposed to be supplied. Therefore, the embodiment in which the resin composition 26 constituting the back layer side glass fiber reinforced resin layer 29 is supplied and impregnated to the fiber sheet 28 placed on the resin composition 26 constituting the surface layer side resin layer 27 In comparison, boundary peeling between the surface layer side resin layer 27 and the back layer side glass fiber reinforced resin layer 29 can be effectively prevented.

In addition, it is resin instead of the above aspects in the aspect which laminates | stacks the fiber sheet 28 in which the resin composition 26 was impregnated on the surface layer side resin layer 27, and the state which laminated | stacked the fiber sheet 28 on the surface layer side resin layer 27. The composition 26 may be applied to the fiber sheet 28 or the like. Furthermore, the prepreg-like fiber sheet 28 (or the back layer side glass fiber reinforced resin layer 29) containing the resin composition 26 and the surface layer 21 having the surface layer side resin layer 27 formed on the back surface are integrally laminated. The surface decorative panel 20 may be manufactured.
Moreover, the order of each process of the panel manufacturing method which concerns on above-described this embodiment etc. is only an example, It may be made in another order, and various deformation | transformation are possible.

  Moreover, when using the surface decorative panel 20 made into the above structures as a surface material of the decorative panel 1, you may make it stick on the panel core material 10 using a suitable adhesive. Alternatively, with the resin composition 26 and the fiber sheet 28 constituting the glass fiber reinforced resin layer 25 interposed between the surface layer 21 and the panel core 10, the decorative panel 1 is pressed by upper and lower molds. May be manufactured. Further, the resin compositions 26, 26 constituting the glass fiber reinforced resin layers 25, 25 and the fiber sheets 28, 28 are respectively interposed on both sides of the panel core 10 in the panel thickness direction, and the surfaces on both sides in the panel thickness direction. With the layers 21 and 21 arranged, the decorative panel 1 may be manufactured by pressing with upper and lower molding dies. That is, the resin composition 26 constituting the glass fiber reinforced resin layer 25 may function as an adhesive component for joining and integrating the surface layer 21 and the panel core 10.

Further, in the present embodiment, as shown in FIG. 1 (b), both surface decorative panels 20 and 20 cover both sides of the panel core 10 in the panel thickness direction, and both ends of the panel core 10 in the panel thickness direction Edge sheets 17, 17 are adhered to the surface. That is, the example which made the four-peripheral surface (both the panel thickness direction both sides and the panel width direction both sides) of the decorative panel 1 the decorative surface by these two surface decorative panels 20 and 20 and the two edge sheets 17 and 17 is shown. ing.
These edge sheets 17 and 17 are, for example, a decorative print paper on which various patterns (patterns) such as wood grain patterns are printed, a resin sheet (film) of a synthetic resin type, a single plate such as a projecting plate made of natural wood (name wood) It may be a plate (makeup veneer) or the like. In addition, these edge sheets 17, 17 may be stuck by an appropriate adhesive or the like.
In addition, it is good also as a mode etc. which each end face is covered with the surface decorative panels 20 and 20 or the surface layers 21 and 21 similar to the above instead of the aspect which covers the panel width direction both ends of the panel core material 10 with the edge sheets 17 and 17. . Moreover, it is good also as an aspect etc. which exposed the panel core material 10, without using each end surface of the panel width direction of the decorative panel 1 as a decorative surface.

With the surface decorative panel 20 according to the present embodiment configured as described above, impact resistance can be improved while achieving thickness reduction and weight reduction.
That is, the flame-retardant surface layer 21 provided with the thermosetting resin-impregnated decorative paper 23 on the surface side of the resin-impregnated glass fiber non-woven fabric plate 22 containing the endothermic metal hydroxide, and the back surface side of the surface layer 21 And a glass fiber reinforced resin layer 25 provided. Therefore, as compared with the conventional wood board such as MDF (medium density fiber board), the dimensional change due to moisture absorption and the like is less likely to occur without providing the moisture proof sheet, and the dimensional stability is improved. It is possible to reduce thickness and weight effectively. In addition, the fragile surface layer 21 containing a relatively large amount of endothermic metal hydroxide can be reinforced by the glass fiber reinforced resin layer 25, and the impact resistance can be improved.

  Further, in the present embodiment, the fiber sheet 28 included in the glass fiber reinforced resin layer 25 is provided so as to be located on the back surface side which is the opposite surface layer side in the thickness direction. Accordingly, compared to the case where the fiber sheet 28 is provided on the surface layer side, it is possible to make it difficult to cause boundary peeling and the like with the surface layer 21 due to the unevenness and the like of the fiber sheet 28. Note that, instead of such an embodiment, the fiber sheet 28 may be provided on the surface side which is the surface layer 21 side in the thickness direction, or may be provided at the center in the thickness direction of the glass fiber reinforced resin layer 25 You may That is, the surface layer side resin layer 27 as described above may not be provided between the surface layer 21 and the back layer side glass fiber reinforced resin layer 29. That is, the back layer side glass fiber reinforced resin layer 29 may be used as the glass fiber reinforced resin layer 25. In this case, the resin composition constituting the glass fiber reinforced resin layer 25 without providing the step of providing the surface layer side resin layer 27 by supplying the resin composition 26 constituting the surface layer side resin layer 27 to the back surface of the surface layer 21. The product 26 and the fiber sheet 28 may be supplied to the back surface of the surface layer 21 to be manufactured.

Further, as described above, the thickness of the surface layer 21 is 0.5 mm to 1.0 mm, the thickness of the glass fiber reinforced resin layer 25 is 0.5 mm to 2.0 mm, and the thickness of the surface decorative panel 20 is If it is 1.0 mm to 3.0 mm, it is more preferable. That is, it is possible to effectively reduce the thickness and weight while having flame retardancy and strength.
Further, as described above, when the expansion ratio of the resin composition 26 constituting the glass fiber reinforced resin layer 25 is 1.0 times to 2.0 times, it is more preferable. That is, if the expansion ratio is too large, although weight reduction can be achieved, the strength tends to decrease, but if it is in the above range, the strength decrease can be suppressed.

Moreover, the decorative panel 1 which concerns on this embodiment is set as the structure which provided the above surface decorative panels 20 in the thickness direction one side of the panel core material 10 at least. Therefore, although it can be made thin and light, impact resistance is improved, and it becomes a decorative panel 1 having a face material having flame retardancy (non-combustibility).
Moreover, in this embodiment, it is set as the structure which provided the surface decorative panels 20 and 20 in the panel thickness direction both sides of the panel core material 10, respectively. Therefore, the impact resistance of the panel thickness direction both sides is improved, and it becomes the decorative panel 1 which has the face material which had the flame retardance (noncombustibility) on the panel thickness direction both sides. In addition, deformation such as warpage of the decorative panel 1 is suppressed, and the necessity for providing a frame-like metal reinforcing material or the like on the panel core material 10 can be suppressed.
Further, in the present embodiment, the panel core 10 is configured such that the core 16 is accommodated in a space surrounded by the frame 11 including the four-peripheral frames 12, 13, 13, 14. Therefore, the strength of the decorative panel 1 can be improved as compared to the case where the panel core 10 is provided with the core 16 only or the crosspieces on three sides or less, and it is suitably used as a fitting or the like. Can. Moreover, compared with what was set as the solid panel core material 10, weight reduction can be achieved.

As described above, instead of providing the surface decorative panels 20 and 20 on both sides in the panel thickness direction of the panel core 10, the surface decorative panel 20 may be provided on only one side in the panel thickness direction. . In this case, only the surface layer 21 or only the glass fiber reinforced resin layer 25 may be provided on the other side in the panel thickness direction, or another surface material may be provided, and the panel core material 10 is exposed. It is good also as composition. Moreover, in this embodiment, although the example made into the structure which accommodated the core material 16 in the space enclosed by the frame 11 was shown as the panel core material 10, it is comprised by only the frame 11 or only the core material 16. It may be a solid plate-like body or the like.
Other various modifications can be made as the specific configuration of the above-described decorative panel 1.
In addition, the surface decorative panel 20 is not limited to those used to constitute the decorative panel 1, and may be used as a cover or the like for covering other existing interior building materials such as existing opening frames, window frames, edges, and boards. It is good also as things.

Next, an example and a comparative example of an example of a surface decoration panel concerning the present invention are explained.
In each of Examples 1 to 3 and Comparative Example 1, the surface layer side is the same as the surface layer 21 described above. That is, a 0.7 mm-thick double-sided thermosetting resin-impregnated paper-pasted resin-impregnated glass fiber non-woven fabric having a thermosetting resin-impregnated decorative paper, a resin-impregnated glass fiber nonwoven fabric board and a thermosetting resin-impregnated paper It was a plate (surface layer).
In Examples 1 to 3, the back layer side has the same structure as the glass fiber reinforced resin layer 25 not provided with the surface layer side resin layer 27 described above. Further, in Examples 1 to 3, the resin composition constituting the glass fiber reinforced resin layer is a non-foaming (1 × expansion ratio) polyurethane resin, and in Examples 1 and 2, coating on the back side of the surface layer The amount was 200 g / m ^2, and in Example 3, the amount applied to the back side of the surface layer was 240 g / m ² . In Example 1, the fiber sheet contained in the glass fiber reinforced resin layer was a glass mat with a basis weight of 300 g / m ² . That is, in Example 1, the mass ratio of the resin to the glass fiber contained in the glass fiber reinforced resin layer was 1: 1.5. In Example 2, two fiber mats with a basis weight of 300 g / m ² were laminated to obtain a total basis weight of 600 g / m ² in the fiber sheet contained in the glass fiber reinforced resin layer. That is, in Example 2, the mass ratio of the resin to the glass fiber contained in the glass fiber reinforced resin layer was 1: 3. In Example 3, ^two fiber mats with a basis weight of 450 g / m ² were laminated to obtain a total basis weight of 900 g / m ² in the fiber sheet contained in the glass fiber reinforced resin layer. That is, in Example 3, the mass ratio of the resin to the glass fiber contained in the glass fiber reinforced resin layer was set to 1: 3.75. Example 1, 1.3 mm thickness, the mass per 1 m ² is 1.7 kg, Example 2, 1.6 mm thickness, weight per 1 m ² is 2.0 kg, Example 3 has a thickness of 1.6 mm, the mass per 1 m ² was 2.4 kg.

In Comparative Example 1, the back layer side is a double-faced moisture-proof sheet-pasted MDF in which moisture-proof sheets are stuck on both sides in the thickness direction of the MDF (medium density fiber board). Comparative Example 1 had a thickness of 3.4 mm, the mass per 1 m ² was 3.6 kg.
In Comparative Example 2, the surface layer side decorative layer is a urethane resin-based coated polypropylene resin film having a thickness of 0.07 mm, and the back layer side is an aluminum sheet on both sides in the thickness direction of the volcanic glass double layer board. Was used as a double-sided aluminum sheet laminated volcanic glass double-layered board. Comparative Example 2 had a thickness of 3.3 mm, the mass per 1 m ² was 4.1 kg.

Moreover, the following evaluation tests were done with respect to the surface decorative panel of each Example and the surface decorative panel of each comparative example.
<Izod impact strength>
According to JIS K 7110 (plastic-test method of Izod impact strength) for the surface decorative panels (test pieces (with no notch) having the same size and shape as in each of Examples 1 to 3 and Comparative Examples 1 and 2 The impact test was conducted using a digital impact tester to measure the absorbed energy and the impact strength (calculation). As a result, as shown in Table 1, in Example 1, the absorbed energy was 0.07 J and the impact strength was 5.0 kJ / m ² . In Example 2, the absorbed energy was 0.14 J and the impact strength was 8.8 kJ / m ² . In Example 3, the absorbed energy was 0.29 J and the impact strength was 19.7 kJ / m ² . In Comparative Example 1, the absorbed energy was 0.30 J and the impact strength was 7.9 kJ / m ² . In Comparative Example 2, the absorbed energy was 0.12 J and the impact strength was 3.4 kJ / m ² .

<Charpy impact strength>
According to JIS K7111-1 (plastic-how to obtain Charpy impact characteristics) for the surface decorative panels (test pieces (with the same size and shape, no notch) of Examples 1 to 3 and Comparative Examples 1 and 2 Then, the impact test was performed using a digital impact tester, and the absorbed energy and impact strength were measured (calculated). As a result, as shown in Table 1, in Example 1, the absorbed energy was 0.39 J and the impact strength was 29.3 kJ / m ² . In Example 2, the absorbed energy was 0.78 J and the impact strength was 51.3 kJ / m ² . In Example 3, the absorbed energy was 1.45 J and the impact strength was 87.7 kJ / m ² . In Comparative Example 1, the absorbed energy was 0.42 J and the impact strength was 11.4 kJ / m ² . In Comparative Example 2, the absorbed energy was 0.21 J and the impact strength was 6.3 kJ / m ² .

以上の結果から、実施例１〜３の各表面化粧パネルは、従来の不燃面材同様の比較例１，２と比較しても、化粧面側からの打撃に対して十分な耐衝撃性を有しながらも、薄型化及び軽量化が図れることことが示された。また、実施例１，２の各表面化粧パネルは、アイゾット衝撃強さについては、比較例１，２と比較して大きな乖離がなかったが、シャルピー衝撃強さについては、比較例１，２と比較して良好な結果となった。これにより、上記のようなコア材を有したパネル芯材に面材として設けられる表面化粧パネルとして好適なものであることが示された。また、ガラス繊維強化樹脂層に含まれる樹脂量に対してガラス繊維量を比較的に多量とした実施例２，３については、特に良好な結果となった。また、上述のように実施例の化粧パネルによれば、パネル芯材に金属製の補強材を設けた比較例の化粧パネルと略同等な反り抑制の効果が示された。つまり、実施例の化粧パネルによれば、パネル芯材に金属製の補強材を設けることなく反りの抑制が可能であり、パネル芯材の構造の簡略化及び軽量化が図られることが示された。<Curve evaluation test>
The surface decorative panel of Example 2 was attached to both sides of the panel core material in the panel thickness direction to prepare a decorative panel of Example. Moreover, the surface decorative panel of the comparative example 1 was stuck on the panel thickness direction both sides of a panel core material, and the decorative panel of the comparative example was created. The panel core material of the decorative panel of these Examples and Comparative Examples was set to have a length of 1990 mm, a width of 450 mm, and a thickness of 25 mm, and a four-perimeter frame formed of the same kind of wood-based material. In addition, a horizontal bar formed of a wood-based material is provided at the longitudinal center in the four-performing frame of the panel core material of the decorative panel of the embodiment, and the core section is formed in the hollow section partitioned on both sides in the longitudinal direction by this horizontal bar Was housed. Moreover, the cross section which provided the vertical rail part formed from the woody material extended in a longitudinal direction, and the ditch | groove which receives this vertical rail part in the width direction one side site | part in the 4 perimeter frame of the panel core material of the decorative panel of a comparative example. A vertical bar made of a substantially C-shaped (approximately U-shaped) metal reinforcing material (thickness: 1.6 mm) was provided. In addition, horizontal bars formed of woody material are provided on both sides in the width direction of the longitudinal central portion of the vertical bar of the panel core material of the decorative panel of this comparative example, and the lateral bars on the other side in the width direction The core member was accommodated in the hollow portion thus formed.
When the decorative panel of these examples and the decorative panel of the comparative example were placed on a base under the same environment and left for 7 days, they were warped to the same degree, and good results were obtained.

From the above results, each surface decorative panel of Examples 1 to 3 has sufficient impact resistance to impact from the decorative surface side as compared with Comparative Examples 1 and 2 similar to the conventional non-combustible surface material. It was shown that while being possessed, thinning and weight reduction can be achieved. Moreover, although each surface decorative panel of Example 1, 2 did not have a big divergence compared with Comparative example 1, 2 about Izod impact strength, about Charpy impact strength, Comparative example 1, 2 and Good results were obtained by comparison. Thereby, it was shown that it is suitable as a surface decorative panel provided as a facing on a panel core material having a core material as described above. Further, in Examples 2 and 3 in which the amount of glass fiber was relatively large relative to the amount of resin contained in the glass fiber reinforced resin layer, particularly good results were obtained. Moreover, according to the decorative panel of the Example as mentioned above, the effect of curvature suppression substantially equivalent to the decorative panel of the comparative example which provided the metal reinforcing material in the panel core material was shown. That is, according to the decorative panel of the embodiment, it is possible to suppress warpage without providing a metal reinforcing material to the panel core, and it is possible to simplify and reduce the structure of the panel core. The

DESCRIPTION OF SYMBOLS 1 cosmetic panel 10 panel core material 20 surface cosmetic panel 21 surface layer 22 resin-impregnated glass fiber nonwoven fabric board 23 thermosetting resin-impregnated decorative paper 25 glass fiber reinforced resin layer 26 resin composition 28 fiber sheet

Claims (5)

  A flame-retardant surface layer provided with a thermosetting resin-impregnated decorative paper on the surface side of a resin-impregnated glass fiber non-woven board containing an endothermic metal hydroxide, and a glass fiber reinforced provided on the back surface side of this surface layer A surface decorative panel comprising a resin layer. In claim 1,
The thickness of the surface layer is 0.5 mm to 1.0 mm, the thickness of the glass fiber reinforced resin layer is 0.5 mm to 2.0 mm, and the thickness of the surface decorative panel is 1.0 mm to 3 Surface decorative panel characterized by .0 mm. In claim 1 or 2,
The fiber sheet contained in the said glass fiber reinforced resin layer is provided so that it may be located in the back side which becomes an anti-surface layer side in thickness direction, The surface decorative panel characterized by the above-mentioned. In any one of claims 1 to 3,
The foaming ratio of the resin composition which comprises the said glass fiber reinforced resin layer is 1.0 times-2.0 times, The surface decorative panel characterized by the above-mentioned.   A decorative panel comprising: the surface decorative panel according to any one of claims 1 to 4; and a panel core on which the surface decorative panel is provided at least on one side in the thickness direction.

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