JP2016112778A - Decorative inorganic fiber sheet - Google Patents
Decorative inorganic fiber sheet Download PDFInfo
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- JP2016112778A JP2016112778A JP2014253255A JP2014253255A JP2016112778A JP 2016112778 A JP2016112778 A JP 2016112778A JP 2014253255 A JP2014253255 A JP 2014253255A JP 2014253255 A JP2014253255 A JP 2014253255A JP 2016112778 A JP2016112778 A JP 2016112778A
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- 239000012784 inorganic fiber Substances 0.000 title claims abstract description 122
- 239000003365 glass fiber Substances 0.000 claims abstract description 41
- 238000005452 bending Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims description 82
- 239000000123 paper Substances 0.000 claims description 67
- 239000011094 fiberboard Substances 0.000 claims description 39
- 239000000853 adhesive Substances 0.000 claims description 29
- 230000001070 adhesive effect Effects 0.000 claims description 27
- 239000012790 adhesive layer Substances 0.000 claims description 12
- 239000002537 cosmetic Substances 0.000 claims description 11
- 238000007639 printing Methods 0.000 claims description 8
- 238000005034 decoration Methods 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 description 20
- 239000011491 glass wool Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 6
- 229920005992 thermoplastic resin Polymers 0.000 description 6
- 229920001187 thermosetting polymer Polymers 0.000 description 6
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920003043 Cellulose fiber Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 239000004831 Hot glue Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000003522 acrylic cement Substances 0.000 description 3
- 238000006757 chemical reactions by type Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- -1 for example Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000011115 styrene butadiene Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 238000007112 amidation reaction Methods 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000006358 imidation reaction Methods 0.000 description 1
- 239000012939 laminating adhesive Substances 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
- Finishing Walls (AREA)
- Laminated Bodies (AREA)
Abstract
Description
本発明は、化粧無機質繊維板に関する。 The present invention relates to a decorative inorganic fiberboard.
従来、オフィスビルディング、公共施設、一般住宅等の建築物の内壁、天井等の内装材として、グラスウールやロックウール等の無機質繊維からなる無機質繊維板に、表皮材を貼着する、又は表面を塗装するなどして表面化粧を施した化粧無機質繊維板が用いられている。 Conventionally, as an interior material for interior walls and ceilings of buildings such as office buildings, public facilities, and ordinary houses, a skin material is pasted or coated on an inorganic fiberboard made of inorganic fibers such as glass wool and rock wool. For example, a decorative inorganic fiberboard having a surface makeup, for example, is used.
特許文献１では、無機質繊維板の少なくとも片面に、表皮材として、少なくとも一色の印刷とエンボス加工とが施された塩化ビニル系樹脂フィルムを、接着剤を介して貼着してなる化粧無機質繊維板であって、前記印刷の模様と前記エンボス加工の凹凸模様とが、同一のパターンで、かつ位置をずらして施されていることを特徴とする化粧無機質繊維板が開示されている。特許文献１は、印刷の模様とエンボス加工の凹凸模様とを、同一のパターンで、かつ位置をずらして施すことにより、意匠性に優れた化粧内装材を提供するものである。しかしながら、特許文献１では、化粧層に意匠紙及びガラス繊維紙を用いることには言及しておらず、無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比を特定の範囲の値とすることで、天井材として施工後の化粧無機質繊維板のたわみを抑制することを検討するものではない。 In Patent Document 1, a cosmetic inorganic fiber board obtained by sticking a vinyl chloride resin film having at least one color printing and embossing as an outer skin material to at least one surface of an inorganic fiber board via an adhesive. The decorative inorganic fiberboard is characterized in that the printed pattern and the embossed concavo-convex pattern are formed in the same pattern and shifted in position. Patent Document 1 provides a decorative interior material excellent in design by applying a printed pattern and an embossed concavo-convex pattern in the same pattern and shifted positions. However, Patent Document 1 does not mention the use of design paper and glass fiber paper for the decorative layer, and the ratio of the bending elastic modulus of the decorative inorganic fiber board to the bending elastic modulus of the inorganic fiber board is within a specific range. By setting the value, it is not considered to suppress the deflection of the decorative inorganic fiberboard after construction as a ceiling material.
特許文献２では、無機質繊維板の表面に、ガラス繊維不織布と化粧塗材とからなる化粧層が形成された化粧無機質繊維板において、前記化粧層がｐＨ７．５以下であることを特徴とする化粧無機質繊維板が開示されている。特許文献２は、化粧層のｐＨを７．５以下とすることにより、無機質繊維板内に残存した結合剤や接着剤が化粧層上で発色することによる化粧層の色相の劣化を抑制することを企図するものである。しかしながら、特許文献２では、化粧層に意匠紙を用いることには言及しておらず、無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比を特定の範囲の値とすることで、天井材として施工後の化粧無機質繊維板のたわみを抑制することを検討するものではない。 In Patent Document 2, a makeup inorganic fiber board in which a makeup layer made of a glass fiber nonwoven fabric and a cosmetic coating material is formed on the surface of the inorganic fiber board, the makeup layer has a pH of 7.5 or less. An inorganic fiberboard is disclosed. Patent Document 2 suppresses the deterioration of the hue of the decorative layer due to coloring of the binder or adhesive remaining in the inorganic fiberboard on the decorative layer by setting the pH of the decorative layer to 7.5 or less. Is intended. However, Patent Document 2 does not mention the use of design paper for the decorative layer, and the ratio of the bending elastic modulus of the decorative inorganic fiber board to the bending elastic modulus of the inorganic fiber board is set to a value within a specific range. Therefore, it is not considered to suppress the deflection of the decorative inorganic fiberboard after construction as a ceiling material.
化粧無機質繊維板は、天井材として使用されている。しかしながら、化粧無機質繊維板は、弾性率の高い材料ではないため、天井材として施工後、化粧無機質繊維板にたわみが発生することがある。また、柔軟性の高いフィルムを表皮材とすると、クリープ強度が低いために、表皮材が伸びて弛み、無機質繊維板から剥離することがある。その結果、内装材としての平滑性及び審美性に欠けるという問題がある。 The decorative inorganic fiberboard is used as a ceiling material. However, since the decorative inorganic fiberboard is not a material having a high elastic modulus, the decorative inorganic fiberboard may bend after being applied as a ceiling material. Further, when a highly flexible film is used as the skin material, the skin material may stretch and loosen due to low creep strength, and may peel off from the inorganic fiberboard. As a result, there is a problem that smoothness and aesthetics as an interior material are lacking.
上記のたわみを防止するために、化粧無機質繊維板の弾性率を向上させる方法があり、その手段として、無機質繊維板の密度を高くすることが考えられる。しかしながら、無機質繊維板の密度を高くすると、無機質繊維板の質量が増加し、地震等により落下した場合の安全性に問題がある。 In order to prevent the above-described deflection, there is a method of improving the elastic modulus of the decorative inorganic fiber board, and as a means for that, it is conceivable to increase the density of the inorganic fiber board. However, when the density of the inorganic fiber board is increased, the mass of the inorganic fiber board increases, and there is a problem in safety when it is dropped due to an earthquake or the like.
本発明の課題は、化粧層と無機質繊維板の一体性を保ったまま施工後のたわみを長期間抑制することができ、好ましくは軽量である化粧無機質繊維板内装材を提供することである。 An object of the present invention is to provide a decorative inorganic fiberboard interior material that can suppress the deflection after construction for a long period of time while maintaining the integrity of the decorative layer and the inorganic fiberboard, and is preferably lightweight.
上記課題は、化粧無機質繊維板において、意匠紙及びガラス繊維紙からなる化粧層を無機質繊維板の一面に貼着し、且つ、化粧層がない無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比を所定の範囲に設定することにより解決できることが見出された。すなわち、本発明は下記〔１〕〜〔９〕に関するものである。 The above-described problem is that, in a decorative inorganic fiberboard, a decorative layer made of design paper and glass fiber paper is attached to one surface of the inorganic fiberboard, and the decorative inorganic fiberboard has a bending elastic modulus with respect to the flexural modulus of the inorganic fiberboard without the decorative layer It has been found that this can be solved by setting the ratio of flexural modulus to a predetermined range. That is, the present invention relates to the following [1] to [9].
〔１〕化粧層及び無機質繊維板からなる化粧無機質繊維板であって、
前記化粧層が、意匠用の印刷を施した意匠紙と、前記意匠紙に接着されたガラス繊維紙とからなり、
前記化粧層の前記ガラス繊維紙側の面が、接着剤を介して前記無機質繊維板の一側面に接着されており、
前記意匠紙の目付が、３０〜１５０ｇ／ｍ２であり、
前記ガラス繊維紙の目付が、２０〜１２０ｇ／ｍ２であり、
前記無機質繊維板の曲げ弾性率に対する前記化粧無機質繊維板の曲げ弾性率の比が、１．２〜４．０であることを特徴とする、化粧無機質繊維板。
[1] A decorative inorganic fiberboard comprising a decorative layer and an inorganic fiberboard,
The decorative layer is composed of design paper subjected to design printing and glass fiber paper bonded to the design paper,
The glass fiber paper side surface of the decorative layer is bonded to one side surface of the inorganic fiber board via an adhesive,
The basis weight of the design paper is 30 to 150 g / m 2 ,
The basis weight of the glass fiber paper is 20 to 120 g / m 2 ;
A ratio of a bending elastic modulus of the decorative inorganic fiber board to a bending elastic modulus of the inorganic fiber board is 1.2 to 4.0.
〔２〕前記無機質繊維板の曲げ弾性率に対する前記化粧無機質繊維板の曲げ弾性率の比が、１．５〜３．０である、前記〔１〕に記載の化粧無機質繊維板。 [2] The cosmetic inorganic fiber board according to [1], wherein the ratio of the flexural modulus of the decorative inorganic fiber board to the flexural modulus of the inorganic fiber board is 1.5 to 3.0.
〔３〕前記化粧層の目付が、５０〜３００ｇ／ｍ２である、前記〔１〕又は〔２〕に記載の化粧無機質繊維板。 [3] The decorative inorganic fiber board according to [1] or [2], wherein the basis weight of the decorative layer is 50 to 300 g / m 2 .
〔４〕前記無機質繊維板の密度が、４５〜１００ｋｇ／ｍ３である、前記〔１〕〜〔３〕のいずれか１つに記載の化粧無機質繊維板。 [4] The decorative inorganic fiber board according to any one of [1] to [3], wherein the density of the inorganic fiber board is 45 to 100 kg / m 3 .
〔５〕前記化粧無機質繊維板の曲げ弾性率が、８０〜２００ＭＰａであり、前記無機質繊維板の曲げ弾性率が、２０〜７０ＭＰａである、前記〔１〕〜〔４〕のいずれか１つに記載の化粧無機質繊維板。 [5] The bending elastic modulus of the decorative inorganic fiber board is 80 to 200 MPa, and the bending elastic modulus of the inorganic fiber board is 20 to 70 MPa. The decorative inorganic fiber board as described.
〔６〕前記化粧層の厚さが、前記無機質繊維板の厚さの１／１０以下である、前記〔１〕〜〔５〕のいずれか１つに記載の化粧無機質繊維板。 [6] The cosmetic inorganic fiber board according to any one of [1] to [5], wherein the thickness of the decorative layer is 1/10 or less of the thickness of the inorganic fiber board.
〔７〕前記化粧層及び前記接着剤における有機成分の含有率が、前記化粧層及び前記接着剤の総質量に対して６０質量％以下である、前記〔１〕〜〔６〕のいずれか１つに記載の化粧無機質繊維板。 [7] The content of the organic component in the decorative layer and the adhesive is 60% by mass or less based on the total mass of the decorative layer and the adhesive, and any one of [1] to [6] Cosmetic mineral fiber board as described in 1.
〔８〕前記接着剤が、シート状の接着層を形成している、前記〔１〕〜〔７〕のいずれか１つに記載の化粧無機質繊維板。 [8] The decorative inorganic fiber board according to any one of [1] to [7], wherein the adhesive forms a sheet-like adhesive layer.
〔９〕前記〔１〕〜〔８〕のいずれか１項に記載の化粧無機質繊維板からなる天井用内装材。 [9] A ceiling interior material comprising the decorative inorganic fiberboard according to any one of [1] to [8].
本発明の化粧無機質繊維板は、化粧層と無機質繊維板の一体性を保ったまま、施工後にたわみが長期間抑制される。 In the decorative inorganic fiber board of the present invention, the deflection after construction is suppressed for a long period while maintaining the integrity of the decorative layer and the inorganic fiber board.
本発明は、化粧層及び無機質繊維板からなる化粧無機質繊維板であって、
前記化粧層が、意匠用の印刷を施した意匠紙と、前記意匠紙に接着されたガラス繊維紙とからなり、
前記化粧層の前記ガラス繊維紙側の面が、接着剤を介して前記無機質繊維板の一側面に接着されており、
前記意匠紙の目付が、３０〜１５０ｇ／ｍ２であり、
前記ガラス繊維紙の目付が、２０〜１２０ｇ／ｍ２であり、
前記無機質繊維板の曲げ弾性率に対する前記化粧無機質繊維板の曲げ弾性率の比が、１．２〜４．０であることを特徴とする、化粧無機質繊維板である。
The present invention is a makeup inorganic fiber board comprising a decorative layer and an inorganic fiber board,
The decorative layer is composed of design paper subjected to design printing and glass fiber paper bonded to the design paper,
The glass fiber paper side surface of the decorative layer is bonded to one side surface of the inorganic fiber board via an adhesive,
The basis weight of the design paper is 30 to 150 g / m 2 ,
The basis weight of the glass fiber paper is 20 to 120 g / m 2 ;
The cosmetic inorganic fiber board, wherein a ratio of a flexural modulus of the decorative inorganic fiber board to a flexural modulus of the inorganic fiber board is 1.2 to 4.0.
化粧層は、意匠用の印刷を施した意匠紙と、意匠紙に接着されたガラス繊維紙とからなる。意匠紙を用いることにより、化粧層に審美性を付与するのみならず、化粧層の曲げ弾性率を容易に調節することができる。
意匠紙の材質としては、セルロース繊維、レーヨン繊維、アクリル繊維、ポリエステル繊維等の有機繊維、及びＥガラス繊維等のガラス繊維、バサルト繊維、シリカ繊維等の無機繊維、及びこれらの混合物等が挙げられ、不燃性の点からは無機繊維が好ましく、後述の意匠用の印刷を施す点からは、セルロース繊維等の有機繊維が好ましい。不燃性、加飾性を満たす上では、無機繊維と有機繊維を混合した意匠紙がより好ましい。また、意匠紙に他の機能を付与する添加物、例えば調湿機能を有する珪藻土、あるいは難燃性を向上させる水酸化アルミニウム等を含有してもよい。意匠用の印刷は、公知の方法により、紙面に施すことができる。例えば、オフセット印刷法、グラビア印刷法、スクリーン印刷法等により、紙面に意匠用の印刷を施すことができる。
The decorative layer is composed of design paper that has been printed for design, and glass fiber paper that is bonded to the design paper. By using the design paper, it is possible not only to impart aesthetics to the decorative layer, but also to easily adjust the flexural modulus of the decorative layer.
Examples of the material of the design paper include organic fibers such as cellulose fibers, rayon fibers, acrylic fibers, and polyester fibers, glass fibers such as E glass fibers, inorganic fibers such as basalt fibers, silica fibers, and mixtures thereof. From the viewpoint of nonflammability, inorganic fibers are preferable, and organic fibers such as cellulose fibers are preferable from the viewpoint of printing for design described later. In order to satisfy nonflammability and decorating properties, a design paper in which inorganic fibers and organic fibers are mixed is more preferable. Moreover, you may contain the additive which provides other functions to design paper, for example, diatomaceous earth which has a humidity control function, or the aluminum hydroxide which improves a flame retardance. The design printing can be applied to the paper surface by a known method. For example, the design can be printed on the paper surface by an offset printing method, a gravure printing method, a screen printing method, or the like.
意匠紙を構成する繊維の繊維径は、有機繊維であれば、１０〜５０μｍ、無機繊維であれば３〜２５μｍである。繊維径が上記の範囲にあれば、化粧層の弾性率を向上させ、平滑な化粧面を形成することができる。
意匠紙の厚さは、０．０５〜１．０ｍｍ、好ましくは０．１〜０．５ｍｍである。厚さが０．０５ｍｍ以上であれば、意匠紙は印刷用インキの転写性に優れ、化粧材としての審美性を有することができ、１．０ｍｍ以下であれば、意匠紙は柔軟性を有し、意匠紙をガラス繊維紙の表面に沿わせることができるため、ガラス繊維紙との接着面全体で意匠紙をガラス繊維紙上に保持することができる。その結果、加熱あるいは経年使用等による意匠紙の収縮や弛み、剥離を抑えることが可能となる。
意匠紙の目付は、３０〜１５０ｇ／ｍ２、好ましくは４０〜５０ｇ／ｍ２である。意匠紙の目付が３０ｇ／ｍ２以上であれば意匠紙は印刷用インキの転写性に優れ、化粧材としての審美性を有することができ、１５０ｇ／ｍ２以下であれば意匠紙は柔軟性を有し、ガラス繊維紙の表面に沿わせることができるため、ガラス繊維紙との接着面全体で意匠紙をガラス繊維紙上に保持することができる。その結果、加熱あるいは経年使用等による意匠紙の収縮や弛み、剥離を抑えることが可能となる。
The fiber diameter of the fibers constituting the design paper is 10 to 50 μm for organic fibers and 3 to 25 μm for inorganic fibers. If the fiber diameter is in the above range, the elastic modulus of the decorative layer can be improved and a smooth decorative surface can be formed.
The thickness of the design paper is 0.05 to 1.0 mm, preferably 0.1 to 0.5 mm. If the thickness is 0.05 mm or more, the design paper is excellent in transferability of printing ink and can have aesthetics as a cosmetic material. If the thickness is 1.0 mm or less, the design paper has flexibility. And since design paper can be made to follow the surface of glass fiber paper, design paper can be hold | maintained on glass fiber paper by the whole adhesive surface with glass fiber paper. As a result, it is possible to suppress shrinkage, loosening, and peeling of the design paper due to heating or use over time.
The basis weight of the design paper is 30 to 150 g / m 2 , preferably 40 to 50 g / m 2 . If the basis weight of the design paper is 30 g / m 2 or more, the design paper is excellent in transferability of printing ink and can have aesthetics as a cosmetic material. If the design paper is 150 g / m 2 or less, the design paper is flexible. Therefore, the design paper can be held on the glass fiber paper over the entire adhesive surface with the glass fiber paper. As a result, it is possible to suppress shrinkage, loosening, and peeling of the design paper due to heating or use over time.
ガラス繊維紙を構成するガラス繊維としては、化粧無機質繊維板の分野で通常用いられているものを特に制限なく用いることができる。例えば、アルカリ分の少ないＥガラス繊維等が挙げられる。ガラス繊維紙は、これらのガラス繊維を抄造法によってシート状にすることにより得られる。
本発明において、ガラス繊維紙を用いることにより、化粧無機質繊維板の曲げ弾性率を容易に調整できる。また、化粧層にガラス繊維紙を含めることにより、化粧層のクリープ強度を高め、化粧無機質繊維板の施工後の化粧層の弛みや無機質繊維板からの剥離を抑制することができる。
As a glass fiber which comprises glass fiber paper, what is normally used in the field of a makeup inorganic fiber board can be especially used without a restriction. For example, E glass fiber etc. with little alkali content are mentioned. The glass fiber paper is obtained by forming these glass fibers into a sheet by a papermaking method.
In the present invention, the bending elastic modulus of the decorative inorganic fiberboard can be easily adjusted by using glass fiber paper. In addition, by including glass fiber paper in the decorative layer, the creep strength of the decorative layer can be increased, and loosening of the decorative layer after construction of the decorative inorganic fiber board and peeling from the inorganic fiber board can be suppressed.
ガラス繊維の繊維径は、４〜１８μｍ、好ましくは４〜１３μｍである。繊維径が４μｍ以上であれば、本発明の化粧層及び化粧無機質繊維板の曲げ弾性率を十分に大きくすることが可能となり、１８μｍ以下であれば、化粧層の弾性率を上げすぎることがなく、化粧無機質繊維板の反りや歪を抑制することができる。
ガラス繊維紙の厚さは、０．１〜１．５ｍｍ、好ましくは０．２〜０．８ｍｍである。厚さが０．１ｍｍ以上であれば、本発明の化粧層及び化粧無機質繊維板の曲げ弾性率を十分に大きくすることが可能となり、１．５ｍｍ以下であれば化粧層の弾性率を上げすぎることがなく、化粧無機質繊維板の反りや歪を抑制することができる。
ガラス繊維紙の目付は、２０〜１２０ｇ／ｍ２、好ましくは３０〜９０ｇ／ｍ２である。ガラス繊維紙の目付が２０ｇ／ｍ２以上であれば本発明の化粧層及び化粧無機質繊維板の曲げ弾性率を十分に大きくすることが可能となり、１２０ｇ／ｍ２以下であれば化粧層の弾性率を上げすぎることがなく、化粧無機質繊維板の反りや歪を抑制することができる。
The fiber diameter of the glass fiber is 4 to 18 μm, preferably 4 to 13 μm. If the fiber diameter is 4 μm or more, the bending elastic modulus of the decorative layer and the decorative inorganic fiber board of the present invention can be sufficiently increased. If the fiber diameter is 18 μm or less, the elastic modulus of the decorative layer is not increased excessively. , Warpage and distortion of the decorative inorganic fiberboard can be suppressed.
The thickness of the glass fiber paper is 0.1 to 1.5 mm, preferably 0.2 to 0.8 mm. If the thickness is 0.1 mm or more, it becomes possible to sufficiently increase the bending elastic modulus of the decorative layer and the decorative inorganic fiber board of the present invention, and if it is 1.5 mm or less, the elastic modulus of the decorative layer is excessively increased. Without warping and distortion of the decorative inorganic fiberboard.
The basis weight of the glass fiber paper is 20 to 120 g / m 2 , preferably 30 to 90 g / m 2 . If the basis weight of the glass fiber paper is 20 g / m 2 or more, the bending elastic modulus of the decorative layer and the decorative inorganic fiber board of the present invention can be sufficiently increased, and if it is 120 g / m 2 or less, the elasticity of the decorative layer. The warp and distortion of the decorative inorganic fiberboard can be suppressed without increasing the rate too much.
ガラス繊維紙は、意匠紙に接着されている。意匠紙とガラス繊維紙との接着には、特に限定はなく、アクリル系接着剤等の汎用のラミネート用接着剤等を用いることができる。 The glass fiber paper is bonded to the design paper. Adhesion between the design paper and the glass fiber paper is not particularly limited, and a general-purpose laminating adhesive such as an acrylic adhesive can be used.
化粧層の目付は、５０〜３００ｇ／ｍ２、好ましくは８０〜２５０ｇ／ｍ２である。化粧層の目付が５０ｇ／ｍ２以上であれば本発明の化粧層及び化粧無機質繊維板の曲げ弾性率を十分に大きくすることが可能となり、３００ｇ／ｍ２以下であれば化粧層の弾性率を上げすぎることがなく、化粧無機質繊維板の反りや歪を抑制することができる。
化粧層の厚さは特に制限されるものではないが、後述する無機質繊維板の厚さの１／１０以下であることが好ましい。化粧層の厚さが無機質繊維板の厚さの１／１０以下であることにより、化粧無機質繊維板の軽量化を図ることができ、更に、有機繊維を使用した意匠紙を用いた場合であっても、燃焼時の発熱量が抑制されるため、火災時の延焼を抑制することができる。
The basis weight of the decorative layer is 50 to 300 g / m 2 , preferably 80 to 250 g / m 2 . If the basis weight of the decorative layer is 50 g / m 2 or more, the bending elastic modulus of the decorative layer and the decorative inorganic fiber board of the present invention can be sufficiently increased, and if it is 300 g / m 2 or less, the elastic modulus of the decorative layer. The warpage and distortion of the decorative inorganic fiberboard can be suppressed without excessively increasing the thickness.
The thickness of the decorative layer is not particularly limited, but is preferably 1/10 or less of the thickness of the inorganic fiber board described later. When the thickness of the decorative layer is 1/10 or less of the thickness of the inorganic fiber board, the weight of the decorative inorganic fiber board can be reduced, and furthermore, the design paper using organic fibers is used. However, since the calorific value at the time of combustion is suppressed, it is possible to suppress the spread of fire during a fire.
無機質繊維板としては、化粧無機質繊維板分野で従来用いられているものを特に制限なく用いることができる。例えば、グラスウール、ロックウール等の無機質繊維に熱硬化性バインダーを付与して板状に成形したものを用いることができる。熱硬化性バインダーとしては、アミド化反応、イミド化反応、エステル化反応、及びエステル交換反応のいずれかの反応で硬化する熱硬化性組成物、例えば、ポリカルボン酸とポリオールを含有する組成物、及び、レゾール型フェノール樹脂、アミノ樹脂、フラン樹脂等のアルデヒド縮合性樹脂等が挙げられる。 As an inorganic fiber board, what is conventionally used in the field of a makeup inorganic fiber board can be especially used without a restriction | limiting. For example, what was shape | molded in plate shape by providing a thermosetting binder to inorganic fibers, such as glass wool and rock wool, can be used. As the thermosetting binder, a thermosetting composition that is cured by any one of amidation reaction, imidation reaction, esterification reaction, and transesterification reaction, for example, a composition containing a polycarboxylic acid and a polyol, And aldehyde condensable resins such as a resol type phenol resin, an amino resin, and a furan resin.
無機質繊維板の密度は、４５〜１００ｋｇ／ｍ３、好ましくは６０〜８０ｋｇ／ｍ３である。無機質繊維板の密度が４５〜１００ｋｇ／ｍ３の範囲内であれば、無機質繊維板、更には化粧無機質繊維板の軽量化が図れ、地震等により落下した場合でも、人身に損傷を与える危険性が低くなる。 The density of the inorganic fiber board is 45 to 100 kg / m 3 , preferably 60 to 80 kg / m 3 . Within the range density of the inorganic fiber board is 45~100kg / m 3, the inorganic fiber board, even Hakare the weight of the decorative inorganic fiber board, even if dropped by an earthquake or the like, the risk of damage to human Becomes lower.
無機質繊維板の厚さは、１０〜１００ｍｍが好ましく、より好ましくは２０〜５０ｍｍである。厚さが１０ｍｍ未満では、内装材の剛性が不十分となり施工後のたわみや膨れが生じ、また、厚さが１００ｍｍを超えると、コストが高くなり、経済的に不利になるので好ましくない。 10-100 mm is preferable and, as for the thickness of an inorganic fiber board, More preferably, it is 20-50 mm. If the thickness is less than 10 mm, the rigidity of the interior material is insufficient, causing deflection and swelling after construction, and if the thickness exceeds 100 mm, the cost becomes high and this is economically disadvantageous.
化粧層は、接着剤を介して無機質繊維板の一側面に接着されている。接着剤は、熱可塑性樹脂からなる。熱可塑性樹脂としては、ポリオレフィンが好適に挙げられる。ポリオレフィンとしては、例えば、低密度ポリエチレン、中密度ポリエチレン、高密度ポリエチレン、ポリプロピレン、エチレンビニルアルコール共重合体、エチレン酢酸ビニル共重合体等が挙げられる。接着剤として用いられる熱可塑性樹脂の融点は、１８０〜２５０℃、好ましくは１８０〜２２０℃である。熱可塑性樹脂の融点が１８０℃以上であれば長期の使用においても接着力の低下による化粧層の剥離が生じず、２５０℃以下であれば本発明の化粧無機質繊維板を製造する際に、加熱による意匠紙の黄変を抑制することが可能になる。 The decorative layer is bonded to one side surface of the inorganic fiber board via an adhesive. The adhesive is made of a thermoplastic resin. A preferred example of the thermoplastic resin is polyolefin. Examples of the polyolefin include low density polyethylene, medium density polyethylene, high density polyethylene, polypropylene, ethylene vinyl alcohol copolymer, and ethylene vinyl acetate copolymer. The melting point of the thermoplastic resin used as the adhesive is 180 to 250 ° C., preferably 180 to 220 ° C. If the melting point of the thermoplastic resin is 180 ° C. or higher, peeling of the decorative layer due to a decrease in adhesive force does not occur even in long-term use, and if it is 250 ° C. or lower, heating is performed when producing the decorative inorganic fiber board of the present invention. It is possible to suppress yellowing of the design paper due to.
接着剤は、ゴム系、スチレン−ブタジエン系等のホットメルト接着剤であってもよい。接着剤の塗布量は、４０〜６０ｇ／ｍ２、好ましくは５０〜６０ｇ／ｍ２である。塗布量が４０ｇ／ｍ２以上であれば長期の使用においても接着力が維持されるため、化粧層が剥離することがなく、６０ｇ／ｍ２以下であれば、本発明の化粧無機質繊維板の難燃性、不燃性を損なうことがない。
接着剤は、熱可塑性樹脂からなる通気性を有するシート材であることが好ましい。これにより、化粧層接着の際に、化粧層と無機質繊維板の間に空気溜まりができることなく、平滑な化粧面を成形することができる。シート材の目付は、１０〜６０ｇ／ｍ２、好ましくは３０〜６０ｇ／ｍ２である。シート材の目付が１０ｇ／ｍ２以上であれば長期の使用においても接着力が維持されるため、化粧層が剥離することがなく、６０ｇ／ｍ２以下であれば本発明の化粧無機質繊維板の難燃性、不燃性を損なうことがない。接着剤がシート材として接着層を形成する場合には、化粧層の厚さと接着層の厚さとの合計は、無機質繊維板の厚さの１／１０以下であることが好ましい。
The adhesive may be a rubber-based or styrene-butadiene-based hot melt adhesive. The coating amount of the adhesive, 40~60g / m 2, preferably 50~60g / m 2. If the coating amount is 40 g / m 2 or more, the adhesive strength is maintained even in long-term use. Therefore, the decorative layer does not peel off, and if it is 60 g / m 2 or less, the decorative inorganic fiber board of the present invention is used. Does not impair flame retardancy and incombustibility.
The adhesive is preferably a breathable sheet material made of a thermoplastic resin. As a result, when the decorative layer is bonded, a smooth decorative surface can be formed without air accumulation between the decorative layer and the inorganic fiberboard. The basis weight of the sheet material is 10 to 60 g / m 2 , preferably 30 to 60 g / m 2 . If the basis weight of the sheet material is 10 g / m 2 or more, the adhesive strength is maintained even in long-term use. Therefore, the decorative layer does not peel off, and if it is 60 g / m 2 or less, the decorative inorganic fiber board of the present invention is used. Does not impair the flame retardancy and non-flammability. When the adhesive forms an adhesive layer as a sheet material, the sum of the thickness of the decorative layer and the thickness of the adhesive layer is preferably 1/10 or less of the thickness of the inorganic fiber board.
化粧層及び接着剤における有機成分の含有率は、化粧層及び接着剤の総質量に対して６０質量％以下、好ましくは５５質量％以下である。化粧層及び接着剤における有機成分の含有率が、化粧層及び接着剤の総質量に対して６０質量％以下であれば、火災時の延焼を抑制することができる。 The content of the organic component in the decorative layer and the adhesive is 60% by mass or less, preferably 55% by mass or less, based on the total mass of the decorative layer and the adhesive. If the content rate of the organic component in a decorative layer and an adhesive agent is 60 mass% or less with respect to the total mass of a decorative layer and an adhesive agent, the fire spread at the time of a fire can be suppressed.
化粧層は、無機質繊維板の成形後に、ホットメルト接着剤により無機質繊維板に接着されてもよい。あるいは、化粧層は、無機質繊維板を成形する際に、熱可塑性樹脂のシート材からなる接着層を介して無機質繊維板に接着されてもよい。
接着剤による化粧層と無機質繊維板との接着力は、０．１０〜０．３５ｋｇ／１００ｍｍの１８０°ピール強度であるであることが好ましい。ピール強度は、ＪＩＳ Ｋ６８５４に準拠して測定することができる。
The decorative layer may be bonded to the inorganic fiber board with a hot melt adhesive after the inorganic fiber board is formed. Or a decorative layer may be adhere | attached on an inorganic fiber board through the contact bonding layer which consists of a sheet material of a thermoplastic resin, when shape | molding an inorganic fiber board.
The adhesive force between the decorative layer and the inorganic fiber board by the adhesive is preferably 180 ° peel strength of 0.10 to 0.35 kg / 100 mm. The peel strength can be measured according to JIS K6854.
化粧無機質繊維板の曲げ弾性率は、８０〜２００ＭＰａ、好ましくは８０〜１５０ＭＰａであり、無機質繊維板の曲げ弾性率は、２０〜７０ＭＰａ、好ましくは２０〜６０ＭＰａである。曲げ弾性率は、ＪＩＳ Ｋ７１７１に準拠して測定することができる。 The bending elastic modulus of the decorative inorganic fiber board is 80 to 200 MPa, preferably 80 to 150 MPa, and the bending elastic modulus of the inorganic fiber board is 20 to 70 MPa, preferably 20 to 60 MPa. The flexural modulus can be measured according to JIS K7171.
本発明の化粧無機質繊維板において、無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比は、１．２〜４．０、好ましくは１．５〜３．０、更に好ましくは２．０〜３．０である。無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比が１．２〜４．０であることにより、化粧無機質繊維板を天井用内装材として用いた場合に生じ得るたわみを長期間抑制することができる。無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比が高すぎると、化粧層の弾性率が高く、化粧層の収縮等により化粧無機質繊維板に反りが発生する場合がある。無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比が低すぎると、化粧層が無機質繊維板のたわみに追随し、化粧無機質繊維板は長期の使用によりたわむ場合がある。 In the decorative inorganic fiber board of the present invention, the ratio of the flexural modulus of the decorative inorganic fiber board to the flexural modulus of the inorganic fiber board is 1.2 to 4.0, preferably 1.5 to 3.0, and more preferably. 2.0-3.0. When the ratio of the bending elastic modulus of the decorative inorganic fiber board to the bending elastic modulus of the inorganic fiber board is 1.2 to 4.0, the bending that may occur when the decorative inorganic fiber board is used as an interior material for ceiling is long. The period can be suppressed. When the ratio of the bending elastic modulus of the decorative inorganic fiber board to the bending elastic modulus of the inorganic fiber board is too high, the elastic modulus of the decorative layer is high, and the decorative inorganic fiber board may be warped due to shrinkage of the decorative layer. If the ratio of the bending elastic modulus of the decorative inorganic fiber board to the bending elastic modulus of the inorganic fiber board is too low, the decorative layer follows the deflection of the inorganic fiber board, and the decorative inorganic fiber board may bend due to long-term use.
化粧無機質繊維板は、従来の工法により、天井材として施工される。例えば、化粧無機質繊維板は、グリッド工法（吊天井）により天井材として施工されてもよい。また、化粧無機質繊維板は、アンカーピン又は錐付きビスを用いて、天井の構造材であるチャンネル鋼、ジョイスト鋼又はエッチ鋼に留付けられてもよい。あるいは、化粧無機質繊維板は、先端ねじ込み式ピンを用いてコンクリート天井に留付けられてもよい。 The decorative inorganic fiberboard is constructed as a ceiling material by a conventional construction method. For example, the decorative inorganic fiberboard may be applied as a ceiling material by a grid method (suspended ceiling). In addition, the decorative inorganic fiberboard may be secured to channel steel, joist steel, or etch steel, which is a structural material of the ceiling, using anchor pins or conical screws. Alternatively, the decorative inorganic fiberboard may be secured to the concrete ceiling using a tip screw-type pin.
(実施例１)
セルロース繊維（繊維径２５μｍ）８０質量％、Ｅガラス繊維（繊維径７μｍ）２０質量％からなる意匠紙（厚さ０．１ｍｍ、目付５０ｇ/ｍ2）（表には、オフセット印刷で白地に濃紺のスタッコ模様を施してある）と、Ｅガラス繊維（繊維径９μｍ）からなるガラス繊維紙（厚さ０．３ｍｍ、目付９０ｇ/ｍ2）とを、アクリル系接着剤で積層し、化粧層（厚さ０．５ｍｍ、目付１６０ｇ/ｍ2）を得た。ポリアクリル酸と三官能ポリオールからなるエステル反応タイプの熱硬化性バインダーを用いて、グラスウール板（密度８０ｋｇ/ｍ3、厚さ２５ｍｍ）を成形した。低密度ポリエチレン樹脂からなるメッシュ状の通気性のあるシート材（目付６０ｇ/ｍ2）を接着層として、２２０℃のロールプレスで接着層を介して化粧層をグラスウール板に接着させ、化粧無機質繊維板を得た。化粧層と接着層における有機成分の含有量は５４．７質量％であり、化粧層と接着層を合わせた厚みが０．８ｍｍであった。また、化粧無機質繊維板の曲げ弾性率は、１３０ＭＰaであり、化粧層がない無機質繊維板の曲げ弾性率が６０ＭＰaであり、無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比は、２．１６であり、化粧層と無機質繊維板のピール強度は、０．３３ｋｇ/１００ｍｍであった。
(Example 1)
Design paper (thickness 0.1 mm, basis weight 50 g / m 2 ) composed of 80% by mass of cellulose fiber (fiber diameter 25 μm) and 20% by mass of E glass fiber (fiber diameter 7 μm). ) And glass fiber paper (thickness 0.3 mm, basis weight 90 g / m 2 ) made of E glass fiber (fiber diameter 9 μm) are laminated with an acrylic adhesive, and a decorative layer ( A thickness of 0.5 mm and a basis weight of 160 g / m 2 ) were obtained. A glass wool plate (density 80 kg / m 3 , thickness 25 mm) was formed using an ester reaction type thermosetting binder composed of polyacrylic acid and a trifunctional polyol. Using a mesh-like breathable sheet material (weight per unit area: 60 g / m 2 ) made of a low-density polyethylene resin as the adhesive layer, the decorative layer is adhered to the glass wool plate via the adhesive layer with a roll press at 220 ° C. I got a plate. The content of the organic component in the decorative layer and the adhesive layer was 54.7% by mass, and the combined thickness of the decorative layer and the adhesive layer was 0.8 mm. In addition, the bending elastic modulus of the decorative inorganic fiber board is 130 MPa, the bending elastic modulus of the inorganic fiber board without the decorative layer is 60 MPa, and the ratio of the bending elastic modulus of the decorative inorganic fiber board to the bending elastic modulus of the inorganic fiber board is Was 2.16, and the peel strength of the decorative layer and the inorganic fiberboard was 0.33 kg / 100 mm.
（比較例１）
厚さ６０μｍの塩化ビニル樹脂フィルムに深さ３５０μｍのエンボス加工を施し、化粧フィルム(目付７２ｇ/ｍ2)を得た。ポリアクリル酸と三官能ポリオールからなるエステル反応タイプの熱硬化性バインダーを用いて、グラスウール板（密度８０ｋｇ/ｍ3、厚さ２５ｍｍ）を成形した。１５０℃に加温したスチレン-ブタジエン系ホットメルト接着剤を塗布量５０g/ｍ2で化粧フィルムに塗布してグラスウール板と接着させ、化粧無機質繊維板を得た。化粧無機質繊維板の曲げ弾性率は、６４ＭＰaであり、化粧層がない無機質繊維板の曲げ弾性率が６０ＭＰaであり、無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比は、１．０６であり、化粧フィルムと無機質繊維板のピール強度は、０．２８ｋｇ/１００ｍｍであった。
(Comparative Example 1)
A 60 μm thick vinyl chloride resin film was embossed with a depth of 350 μm to obtain a decorative film (weight per unit area: 72 g / m 2 ). A glass wool plate (density 80 kg / m 3 , thickness 25 mm) was formed using an ester reaction type thermosetting binder composed of polyacrylic acid and a trifunctional polyol. A styrene-butadiene hot melt adhesive heated to 150 ° C. was applied to a decorative film at an application amount of 50 g / m 2 and adhered to a glass wool board to obtain a decorative inorganic fiber board. The bending elastic modulus of the decorative inorganic fiber board is 64 MPa, the bending elastic modulus of the inorganic fiber board without the decorative layer is 60 MPa, and the ratio of the bending elastic modulus of the decorative inorganic fiber board to the bending elastic modulus of the inorganic fiber board is: The peel strength of the decorative film and the inorganic fiber board was 0.28 kg / 100 mm.
（比較例２）
セルロース繊維（繊維径２５μｍ）８０質量％、Ｅガラス繊維（繊維径７μｍ）２０質量％からなる意匠紙（厚さ０．３ｍｍ、目付１６０ｇ/ｍ2）（表には、下地として全面にホワイトコーティングを塗布量７０g/ｍ2にて施した後に、オフセット印刷で濃紺のスタッコ模様を施してある）と、Ｅガラス繊維（繊維径９μｍ）からなるガラス繊維紙（厚さ０．７ｍｍ、目付１８０ｇ/ｍ2）とを、アクリル系接着剤で積層し、化粧層（厚さ１．１ｍｍ、目付３６０ｇ/ｍ2）を得た。エステル反応タイプの熱硬化性バインダーを用いて、グラスウール板（密度８０ｋｇ/ｍ3、厚さ２５ｍｍ）を成形した。低密度ポリエチレン樹脂からなるメッシュ状の通気性のあるシート材（目付６０ｇ/ｍ2）を接着層として、２２０℃のロールプレスで接着層を介して化粧層をグラスウール板に接着させ、化粧無機質繊維板を得た。化粧層と接着層における有機成分の含有量は５０．７質量％であり、化粧層と接着層を合わせた厚みが１．４ｍｍであった。また、化粧無機質繊維板の曲げ弾性率は、２７０ＭＰaであり、化粧層がない無機質繊維板の曲げ弾性率が６０ＭＰaであり、無機質繊維板の曲げ弾性率に対する化粧無機質繊維板の曲げ弾性率の比は、４．５０であった。尚、化粧無機質繊維板成形の際に、化粧層の中心部が凸になる反りがわずかに発生した。また、化粧層と無機質繊維板のピール強度は、０．３３ｋｇ/１００ｍｍであった。
(Comparative Example 2)
Design paper (thickness 0.3 mm, basis weight 160 g / m 2 ) composed of 80% by mass of cellulose fiber (fiber diameter 25 μm) and 20% by mass of E glass fiber (fiber diameter 7 μm). Is applied at a coating amount of 70 g / m 2 , followed by offset printing with a dark blue stucco pattern) and glass fiber paper (thickness 0.7 mm, basis weight 180 g / m) made of E glass fiber (fiber diameter 9 μm). m 2 ) was laminated with an acrylic adhesive to obtain a decorative layer (thickness 1.1 mm, basis weight 360 g / m 2 ). A glass wool plate (density 80 kg / m 3 , thickness 25 mm) was formed using an ester reaction type thermosetting binder. Using a mesh-like breathable sheet material (weight per unit area: 60 g / m 2 ) made of a low-density polyethylene resin as the adhesive layer, the decorative layer is adhered to the glass wool plate via the adhesive layer with a roll press at 220 ° C. I got a plate. The content of the organic component in the decorative layer and the adhesive layer was 50.7% by mass, and the combined thickness of the decorative layer and the adhesive layer was 1.4 mm. The bending elastic modulus of the decorative inorganic fiber board is 270 MPa, the bending elastic modulus of the inorganic fiber board without the decorative layer is 60 MPa, and the ratio of the bending elastic modulus of the decorative inorganic fiber board to the bending elastic modulus of the inorganic fiber board is Was 4.50. In addition, during the molding of the decorative inorganic fiberboard, a slight warp occurred in which the central portion of the decorative layer was convex. Moreover, the peel strength of the decorative layer and the inorganic fiber board was 0.33 kg / 100 mm.
（評価）
各化粧無機質繊維板の化粧層を下に向けた状態で、両端を支えた状態で懸架し、８０℃９０日の条件で促進試験を行い、化粧無機質繊維板の反りや歪み、及び化粧層の剥離の状況を目視で判断した。
実施例１：化粧無機質繊維板の反りや歪み、及び化粧層の剥離は観察されなかった。
比較例１：化粧無機質繊維板の反りや歪みは観察されなかったが、化粧フィルムの弛み及び弛んだ部位での剥離を観察した。
比較例２：化粧層の剥離は観察されなかったが、成形時に生じた反りが大きくなったことを観察した。
(Evaluation)
Suspended with the decorative layer of each decorative inorganic fiberboard facing downward, suspended at both ends, and subjected to an accelerated test at 80 ° C. for 90 days. The state of peeling was judged visually.
Example 1: No warpage or distortion of the decorative inorganic fiberboard, and no peeling of the decorative layer was observed.
Comparative Example 1: Although the warp and distortion of the decorative inorganic fiber board were not observed, the decorative film was observed to be loose and peeled at the loose part.
Comparative Example 2: Although peeling of the decorative layer was not observed, it was observed that the warpage generated during molding was increased.
本発明の化粧無機質繊維板は、オフィスビルディング、公共施設、一般住宅等の建築物の内壁、天井等の内装材として好ましく用いることができる。 The decorative inorganic fiberboard of the present invention can be preferably used as an interior material such as an inner wall and ceiling of a building such as an office building, a public facility, or a general house.
Claims (9)
前記化粧層が、意匠用の印刷を施した意匠紙と、前記意匠紙に接着されたガラス繊維紙とからなり、
前記化粧層の前記ガラス繊維紙側の面が、接着剤を介して前記無機質繊維板の一側面に接着されており、
前記意匠紙の目付が、３０〜１５０ｇ／ｍ２であり、
前記ガラス繊維紙の目付が、２０〜１２０ｇ／ｍ２であり、
前記無機質繊維板の曲げ弾性率に対する前記化粧無機質繊維板の曲げ弾性率の比が、１．２〜４．０であることを特徴とする、化粧無機質繊維板。 A decorative inorganic fiberboard comprising a decorative layer and an inorganic fiberboard,
The decorative layer is composed of design paper subjected to design printing and glass fiber paper bonded to the design paper,
The glass fiber paper side surface of the decorative layer is bonded to one side surface of the inorganic fiber board via an adhesive,
The basis weight of the design paper is 30 to 150 g / m 2 ,
The basis weight of the glass fiber paper is 20 to 120 g / m 2 ;
A ratio of a bending elastic modulus of the decorative inorganic fiber board to a bending elastic modulus of the inorganic fiber board is 1.2 to 4.0.
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|---|---|---|---|---|
| JPS60219048A (en) * | 1984-04-17 | 1985-11-01 | 日本無機株式会社 | Interior finish material |
| JPS6254101U (en) * | 1986-09-02 | 1987-04-03 | ||
| JPH02121917U (en) * | 1989-03-20 | 1990-10-04 | ||
| JPH06297643A (en) * | 1993-04-15 | 1994-10-25 | Matsushita Electric Works Ltd | Ceiling material |
| JPH11322403A (en) * | 1998-05-12 | 1999-11-24 | Asahi Fiber Glass Co Ltd | Decorative inorganic fiber interior material |
| JP2000291175A (en) * | 1999-04-13 | 2000-10-17 | Nitto Boseki Co Ltd | Noncombustible decorative plate and manufacture thereof |
| JP2006075991A (en) * | 2004-09-07 | 2006-03-23 | Aica Kogyo Co Ltd | Flexible non-combustible decorative sheet |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60219048A (en) * | 1984-04-17 | 1985-11-01 | 日本無機株式会社 | Interior finish material |
| JPS6254101U (en) * | 1986-09-02 | 1987-04-03 | ||
| JPH02121917U (en) * | 1989-03-20 | 1990-10-04 | ||
| JPH06297643A (en) * | 1993-04-15 | 1994-10-25 | Matsushita Electric Works Ltd | Ceiling material |
| JPH11322403A (en) * | 1998-05-12 | 1999-11-24 | Asahi Fiber Glass Co Ltd | Decorative inorganic fiber interior material |
| JP2000291175A (en) * | 1999-04-13 | 2000-10-17 | Nitto Boseki Co Ltd | Noncombustible decorative plate and manufacture thereof |
| JP2006075991A (en) * | 2004-09-07 | 2006-03-23 | Aica Kogyo Co Ltd | Flexible non-combustible decorative sheet |
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