JP2002178444A - Decorative veneer-clad humidity controlling fireproof building material - Google Patents

Decorative veneer-clad humidity controlling fireproof building material

Info

Publication number
JP2002178444A
JP2002178444A JP2000380843A JP2000380843A JP2002178444A JP 2002178444 A JP2002178444 A JP 2002178444A JP 2000380843 A JP2000380843 A JP 2000380843A JP 2000380843 A JP2000380843 A JP 2000380843A JP 2002178444 A JP2002178444 A JP 2002178444A
Authority
JP
Japan
Prior art keywords
veneer
building
diatomaceous earth
decorative
moisture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000380843A
Other languages
Japanese (ja)
Inventor
Kozo Hanada
耕三 花田
Yoshio Tani
義雄 谷
Original Assignee
Dantani Plywood Co Ltd
段谷産業株式会社
Gifu Kako Veneer Seisakusho:Kk
株式会社岐阜加工ベニヤ製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dantani Plywood Co Ltd, 段谷産業株式会社, Gifu Kako Veneer Seisakusho:Kk, 株式会社岐阜加工ベニヤ製作所 filed Critical Dantani Plywood Co Ltd
Priority to JP2000380843A priority Critical patent/JP2002178444A/en
Publication of JP2002178444A publication Critical patent/JP2002178444A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/08Slag cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures

Abstract

PROBLEM TO BE SOLVED: To provide a decorative veneer-clad humidity controlling fireproof building material which has moisture absorption/desorption properties equivalent or superior to that of a decorative natural wood plate and can be used as a building material such as a ceiling material interior finish material which has fireproofing properties and in which natural wood decoration is applied to the surface. SOLUTION: In the building material, on one surface of a base material having moisture absorption/desorption properties which contains an inorganic substance selected from calcium silicate, gypsum, slag cement, diatomaceous earth, etc., as a main raw material and is molded by mixing a raw material comprising a moisture absorption/desorption material selected from diatomaceous earth, silica gel, calcium silicate, sepiolite, zeolite, shirasu, kaolinite type clay, aluminum oxide, charcoal, active carbon, etc., reinforcing fibers, etc., the decorative veneer is stuck through an adhesive.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【0001】[0001]
【発明の属する技術分野】本発明は、天然木化粧板と同
等またはそれ以上の吸放湿性を有するとともに耐火性、
防火性を有し表面に天然木化粧を施した、天井材、内装
材といった建材として用いることができる化粧単板貼り
調湿性防火建材に関する。
BACKGROUND OF THE INVENTION The present invention relates to a natural wood veneer having a moisture absorption / desorption property equal to or higher than that of a natural wood veneer and fire resistance.
The present invention relates to a decorative veneer-attached moisture-controlling fire-resistant building material which has fire protection properties and can be used as a building material such as a ceiling material or an interior material, the surface of which is decorated with natural wood.
【0002】[0002]
【従来の技術】従来、住宅等の建築に際しては、土壁構
造かつ木材やこれを加工した木質系建材による内装が施
される建築様式が古くから採られてきた。このような構
造を有する家屋は、土壁や木質系材料の有する優れた吸
放湿能力によって居住空間内での結露発生や極度の乾燥
などを防止できる卓越した調湿能力を有している。
2. Description of the Related Art Conventionally, in the construction of houses and the like, an architectural style in which an earth wall structure and wood or a wood-based building material obtained by processing the same are applied has been adopted for a long time. A house having such a structure has an excellent humidity control ability capable of preventing the occurrence of dew condensation and extreme drying in a living space due to the excellent moisture absorbing and releasing ability of earth walls and wood-based materials.
【0003】処が、近年の木質系資源の枯渇により良質
な木質系材料の入手が困難になってきており、価格は上
昇の一途を辿っている。一方、木質建材は可燃性材料で
あるとともに白蟻などの害虫に侵され易いことおよび腐
蝕を招き易いという欠点を有している。
However, in recent years, it has become difficult to obtain good-quality wood-based materials due to the depletion of wood-based resources, and prices have continued to rise. On the other hand, wood-based building materials are flammable materials and have the drawback that they are easily attacked by pests such as termites and are liable to cause corrosion.
【0004】他方、土壁構造についても、熟練した高い
技能をもつ作業者がきわめて少なくなってきていること
および工賃の高騰などから土壁が殆ど採用されることが
なくなってきている。
On the other hand, with respect to the earth wall structure, the number of skilled and highly skilled workers has become extremely small, and the earth wall has hardly been adopted due to a rise in labor costs.
【0005】[0005]
【発明が解決しようとする課題】そして近年、住宅等は
高気密性、高断熱性を指向した構造が追求された結果、
室内で発生した水分は外部への拡散ができずに室内の至
る所で結露を生じ、濡れや染みの原因となりまた、蝨や
黴等の発生を招く問題を生じている。従来、居住空間を
快適に利用する手段として、温度や湿度を制御する空調
設備が利用されてきたが、多大な電気エネルギーを消費
してCO2発生の減少に逆行するのみならず、居住者が
不在等の理由により空調設備が運転されないときは、上
記問題を生じる。このような問題を解決すべく、吸放湿
性に優れたボード等建材の提供が強く望まれていた。
In recent years, houses and the like have been pursued with a structure that is highly airtight and highly heat-insulating.
Moisture generated indoors cannot diffuse to the outside and dew condensation occurs throughout the room, causing wetting and stains, and causing problems such as mites and molds. Conventionally, as means for comfortably utilize living space, but the air conditioning equipment to control the temperature and humidity have been utilized, not only runs counter to the decrease in CO 2 generated by consuming a great deal of electrical energy, residents When the air conditioner is not operated due to the absence or the like, the above problem occurs. In order to solve such a problem, it has been strongly desired to provide a building material such as a board having excellent moisture absorption / release properties.
【0006】本発明は、天然木化粧板と同等またはそれ
以上の吸放湿特性を有し、防火性、耐火性に優れるとと
もに軽量でありまた意匠性に優れた調湿性防火建材を提
供することを目的とする。
An object of the present invention is to provide a moisture-controllable fire-resistant building material having a moisture absorption / desorption property equal to or higher than that of a natural wood decorative board, being excellent in fire resistance and fire resistance, light in weight, and excellent in design. With the goal.
【0007】[0007]
【課題を解決するための手段】上記課題を解決するため
の請求項1に記載の発明は、珪酸カルシュウム、石膏、
スラグセメント、珪藻土等から選ばれた無機質を主原料
とし、珪藻土、シリカゲル、珪酸カルシュウム、セピオ
ライト、ゼオライト、シラス、カオリナイト質粘度、酸
化アルミニュウム、木炭、活性炭等から選ばれた吸放湿
材料と補強繊維等からなる原料を混合して成形された吸
放湿性能を有する基材の一面に、接着剤を介して化粧単
板が貼着されてなる化粧単板貼り調湿性防火建材で、請
求項2に記載の発明は、重量で、二水石膏:2%〜30
%、水硬性物質:15%〜60%、粒度が2μm〜10
0μmの範囲内にある珪藻土:5%〜30%、パーライ
ト:10%〜15%、有機質補強繊維:3%〜5%およ
び無機質繊維:1%〜8%の何れか一方または双方から
なる基材の一面に、通気性シーラー層が形成され、その
表面に接着剤を介して化粧単板が貼着されてなる化粧単
板貼り調湿性防火建材である。
According to the first aspect of the present invention, there is provided calcium silicate, gypsum,
Moisture absorbing and releasing material selected from slag cement, diatomaceous earth, etc. as the main raw material, and selected from diatomaceous earth, silica gel, calcium silicate, sepiolite, zeolite, shirasu, kaolinite viscosity, aluminum oxide, charcoal, activated carbon, etc. A decorative veneer laminated moisture-resistant fire-resistant building material in which a decorative veneer is adhered via an adhesive to one surface of a base material having moisture absorption / release performance formed by mixing a raw material composed of fibers and the like. The invention according to 2 is a method for preparing gypsum dihydrate: 2% to 30% by weight.
%, Hydraulic substance: 15% to 60%, particle size 2 μm to 10
Diatomaceous earth within the range of 0 μm: 5% to 30%, perlite: 10% to 15%, organic reinforcing fiber: 3% to 5%, and inorganic fiber: 1% to 8% Is a decorative veneer-attached veneer-sealing material having a veneer sealer layer formed on one surface thereof and a veneer veneer adhered to the surface thereof with an adhesive.
【0008】本発明は叙上のように構成したから、天然
木化粧板と同等またはそれ以上の優れた吸放湿性を有す
るとともに防火性、耐火性、意匠性にも優れた軽量の化
粧単板貼り調湿性防火建材を提供できる。
[0008] Since the present invention is constructed as described above, it is a lightweight veneer veneer having excellent moisture absorption / desorption properties equal to or higher than that of a natural wood veneer, and also excellent in fire protection, fire resistance and design. It is possible to provide an adhesive humidity-controlling fire-resistant building material.
【0009】[0009]
【発明の実施の形態】以下、本発明をその好ましい実施
形態に則して説明する。本発明は、吸放湿性を有する無
機質系の基材の表面に、銘木と呼ばれる天然木突板を貼
着し化粧層を形成するものである。化粧単板層を形成す
るに際しては、基材と天然木突板との密着性を良好なも
のとするために、基材表面にシーラーを塗布することが
好ましい。従来のシーラーは、基材表面を目止めすべく
機能するものであるために、通気性を損なう問題があっ
た。発明者らは、最表面に貼着される天然木突板も含
め、この相反する特性からする問題を克服すべく検討し
た結果、以下に説明するシーラーおよび突板の組合わせ
によって問題を解決したものである。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on preferred embodiments. The present invention is to form a decorative layer by adhering a natural wood veneer called precious wood to the surface of an inorganic base material having moisture absorption / release properties. In forming the decorative veneer layer, it is preferable to apply a sealer to the surface of the substrate in order to improve the adhesion between the substrate and the natural veneer. The conventional sealer has a problem of impairing air permeability because it functions to seal the surface of the base material. The inventors have studied to overcome the problem due to the conflicting characteristics, including the natural wood veneer attached to the outermost surface, and as a result, solved the problem with the combination of the sealer and the veneer described below. is there.
【0010】[0010]
【実施例】本発明の調湿性建材の基材は、不燃性材料で
あるスラグ、石膏、セメント、珪藻土系主組成に調湿性
成分として珪藻土、シリカゲル、珪酸カルシュウム、セ
ピオライト、ゼオライト、シラス、カオリナイト質粘
土、酸化アルミニュウム、木炭、活性炭等や粒度範囲を
限定した珪藻土が添加されている。また、本発明の調湿
性建材の基材は、成型法、焼成法、抄造法によって製造
される。成型法としては、型枠に原材料を充填して常圧
又は加圧圧締成形する方法や成形品を焼成して固める方
法、或は抄造法としては、それ自体周知の丸網式製造法
機による抄造法を用いることができる。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The base material of the humidity-controlling building material of the present invention is slag, gypsum, cement, diatomaceous earth-based non-flammable materials, and diatomaceous earth, silica gel, calcium silicate, sepiolite, zeolite, shirasu, kaolinite. Porous clay, aluminum oxide, charcoal, activated carbon, etc. and diatomaceous earth having a limited particle size range are added. Further, the base material of the humidity control building material of the present invention is produced by a molding method, a firing method, and a papermaking method. As a molding method, a method of filling a mold with raw materials and performing normal pressure or pressure compression molding or a method of firing and solidifying a molded product, or as a papermaking method, using a well-known round net type manufacturing method machine A papermaking method can be used.
【0011】以下に、本発明の調湿性建材における成分
系について説明する。セメントやスラグセメント、石膏
は、防火性、耐火性を有するとともに温度変化に起因す
る伸縮量が小さいほか硬化、成形を行い易いといった長
所をもっており、古くから防火材、耐火材として用いら
れてきた。しかし、セメントやスラグセメント、石膏な
どの無機質単体では、一次物性わけても曲げ強度が低い
ことおよびねじ釘保持力が弱いという欠点がある。そこ
で、従来からこの点を有機質補強繊維および水硬性物質
の添加によって補完している。
Hereinafter, the component system in the humidity control building material of the present invention will be described. Cement, slag cement, and gypsum have the advantages of fire resistance and fire resistance, a small amount of expansion and contraction caused by temperature changes, and easy hardening and molding, and have been used as fire protection materials and fire resistance materials since ancient times. However, inorganic substances such as cement, slag cement, and gypsum have drawbacks in that their primary physical properties, in particular, are low in bending strength and poor in screw-nail holding power. Therefore, conventionally, this point has been complemented by the addition of organic reinforcing fibers and hydraulic substances.
【0012】本実施例では、石膏を主原料とした無機質
基材を例に詳説する。石膏は重量で(以下、同じ。)、
2%〜30%添加される。石膏はスラグ、セメントとい
った水硬性物質の水和による硬化を促進する効果も奏す
るが、2%に満たない添加量では添加効果を発現し難
い。一方、30%を超えて添加すると、スラグ、セメン
トといった水硬性物質による強度付与能や防水性、硬化
性、成形性といった特性を減殺する。また、一次物性わ
けても曲げ強度、ねじ釘保持力を低下させる。
In this embodiment, an inorganic base material made of gypsum as a main raw material will be described in detail. Gypsum is by weight (the same applies hereinafter),
2% to 30% is added. Gypsum also has the effect of accelerating the hardening of hydraulic substances such as slag and cement by hydration, but the addition effect is less likely to be exhibited with an addition amount of less than 2%. On the other hand, if it is added in excess of 30%, the strength imparting ability of a hydraulic substance such as slag and cement and the properties such as waterproofness, curability and moldability are reduced. In addition, the primary physical properties decrease bending strength and screw nail holding power.
【0013】スラグ、セメントといった水硬性物質は、
これを添加することによってマトリックスが強固に密着
して調湿性建材の強度を高めるとともに、硬化、成形と
いった特性を簡単かつ安価に付与でき、調湿性建材(ボ
ード基材)の製造を容易にする。また、水硬性物質は、
防火性、耐火性のほか防水性を有している。本発明にお
いては、15%〜60%の範囲内で添加する。15%未
満の添加量では、強度付与能や防水性、硬化特性、成形
特性を発現し難い。一方、60%を超えて添加すると、
調湿性建材の重量増加や乾燥、収縮によるひび割れを招
く。
Hydraulic substances such as slag and cement are:
By adding this, the matrix is firmly adhered to increase the strength of the humidity control building material, and properties such as curing and molding can be imparted simply and inexpensively, thereby facilitating the production of the humidity control building material (board base material). Also, the hydraulic substance is
Fireproof, fireproof and waterproof. In the present invention, it is added within the range of 15% to 60%. If the addition amount is less than 15%, it is difficult to exhibit strength imparting ability, waterproofness, curing properties, and molding properties. On the other hand, if more than 60% is added,
It causes cracks due to weight increase, drying and shrinkage of the humidity control building material.
【0014】珪藻土は、調湿性建材に吸放湿特性を付与
すべく添加される。本発明においては、5%〜30%の
範囲内で添加する。5%に満たない添加量では、調湿性
建材に所期の吸放湿特性を付与できない。一方、30%
を超える添加量は、調湿性建材の一次物性わけても硬度
や曲げ強度を低下させる。
Diatomaceous earth is added in order to impart moisture absorbing and releasing properties to the moisture control building material. In the present invention, it is added within a range of 5% to 30%. If the amount is less than 5%, the desired moisture absorption / release properties cannot be imparted to the humidity control building material. On the other hand, 30%
If the amount exceeds the above range, the hardness and flexural strength of the moisture-controllable building material will decrease, even if it is divided into primary physical properties.
【0015】本発明においては、珪藻土の粒度を2μm
〜100μmの範囲内に限定している。2μm未満の粒
度では、吸放湿能を発現できない。一方、100μmを
超える粒度では、スラリーを抄造機で巻き取る時、珪藻
土粒が分離して均一なマットにすることができない。通
常、粒度≦70μmで実施する。珪藻土の粒度範囲は好
ましくは、10μm〜35μmである。
In the present invention, the particle size of the diatomaceous earth is 2 μm.
It is limited to the range of 100100 μm. If the particle size is less than 2 μm, the ability to absorb and release moisture cannot be exhibited. On the other hand, when the particle size exceeds 100 μm, when the slurry is wound by a paper machine, diatomaceous earth particles are separated and a uniform mat cannot be formed. Usually, the particle size is ≦ 70 μm. The particle size range of the diatomaceous earth is preferably between 10 μm and 35 μm.
【0016】本発明においては、調湿性建材に吸放湿能
を付与する物質として、珪藻土の他に粒度範囲を限定し
たシリカゲルやゼオライト等を用いることができる。
In the present invention, in addition to diatomaceous earth, silica gel, zeolite, or the like having a limited particle size range can be used as a substance that imparts a moisture absorbing / releasing ability to the humidity control building material.
【0017】パーライトは、耐火性を高めまた軽量骨材
として調湿性建材を軽量化すべく添加される。本発明に
おいては、10%〜15%の範囲内で添加する。10%
未満の添加量では調湿性建材の耐火性向上や軽量化に資
する処が小さく、一方、15%を超えて添加すると、調
湿性建材の吸放湿特性と一次物性のバランスを損なう。
Perlite is added to increase the fire resistance and to reduce the weight of the humidity control building material as a lightweight aggregate. In the present invention, it is added in the range of 10% to 15%. 10%
If the addition amount is less than the above, there is only a small portion contributing to the improvement of the fire resistance and the weight reduction of the humidity control building material. On the other hand, if the addition exceeds 15%, the balance between the moisture absorption / release properties and the primary physical properties of the humidity control building material is impaired.
【0018】調湿性建材の強度を向上させる有機質補強
繊維として、たとえばパルプを添加する。本発明におい
ては、3%〜5%の範囲内で添加する。3%未満の添加
量では、調湿性建材の強度および加工性の向上効果を発
現できない。一方、5%を超える添加量は、パルプが有
機質材料である処から調湿性建材の不燃性材料としての
特性を喪失する。有機質補強繊維としては、パルプの他
にビニロン等を用いることもできる。
For example, pulp is added as an organic reinforcing fiber for improving the strength of the humidity control building material. In the present invention, it is added within a range of 3% to 5%. If the amount is less than 3%, the effect of improving the strength and workability of the humidity control building material cannot be exhibited. On the other hand, if the amount exceeds 5%, the pulp loses its properties as a non-combustible material from the place where the pulp is an organic material. As the organic reinforcing fiber, vinylon or the like can be used in addition to pulp.
【0019】無機質繊維たとえばロックウールは、有機
質補強繊維と同様に、調湿性建材の強度を向上させると
ともに加工性を向上させるべく添加される。本発明にお
いては、1%〜8%の範囲内で添加する。1%に満たな
い添加量では強度向上に資する処が小さくまた、8%を
超えて添加すると混練作業に支障を来しさらに、ダマと
呼ばれる繊維凝集物が混在し調湿性建材の材質の均一性
を損なう。
As with the organic reinforcing fibers, inorganic fibers such as rock wool are added to improve the strength of the humidity control building material and to improve the processability. In the present invention, it is added within the range of 1% to 8%. If the addition amount is less than 1%, the portion contributing to the strength improvement is small. If the addition amount exceeds 8%, the kneading operation is hindered. Further, fiber aggregates called lumps coexist, and the uniformity of the material of the humidity control building material is uniform. Impair.
【0020】本発明においては、この他に炭酸カルシウ
ム、雲母、消石灰を増量材等としてそれぞれ0%〜15
%、1%〜8%、1%〜1.5%の範囲内で添加するこ
とができる。
In the present invention, calcium carbonate, mica and slaked lime are used as extenders in addition to 0% to 15%.
%, 1% to 8%, and 1% to 1.5%.
【0021】本発明における実施例では、上記基材の一
面即ち化粧単板を貼着する面に通気性シーラーを塗布す
る。本発明の他の実施形態として、基材の他面即ち化粧
単板を貼着しない面に防湿・防水、撥水性、耐水性に優
れたシーラー(バックシーラー)を塗布することが好ま
しい。本発明の調湿性建材は居住空間の吸放湿を行うべ
く用いられるものであるが、バックシーラーを施さない
ときは、居住空間からの湿気が調湿性建材の化粧単板を
貼着しない側(屋外側)の面に抜け、屋外の気温の変化
によって結露する虞があることおよび、屋外の温度変化
が基材を通して居住空間に影響を与えることもあるた
め、これらを防止すべく基材の他面にバックシーラーが
塗布される。
In an embodiment of the present invention, a breathable sealer is applied to one surface of the base material, that is, the surface on which the decorative veneer is to be adhered. As another embodiment of the present invention, it is preferable to apply a sealer (back sealer) excellent in moisture proof / waterproof, water repellency and water resistance on the other surface of the base material, that is, the surface on which the decorative veneer is not stuck. Although the humidity control building material of the present invention is used to absorb and release moisture in a living space, when the back sealer is not applied, the moisture from the living space is not adhered to the decorative veneer of the humidity control building material ( There is a risk of dew condensation due to changes in the outdoor temperature, and the change in outdoor temperature may affect the living space through the base material. A back sealer is applied to the surface.
【0022】通気性を有するシーラーとしては、この実
施例においては、シリカ変性アクリル共重合体樹脂を用
いている。この通気性シーラーは乳白色のエマルジョン
であって、以下の物性をもつ。 不揮発分 :39.0±1% 粘度(25℃) ≦50mPa・s(BM型、ローターNo.1、 60rpm) イオン性 :アニオン pH :7.0±1.0 平均粒子径 :0.06μm 造膜温度(MFT):30℃ このシーラーは無機質材、金属に対する付着性が良好
で、浸透性、水蒸気透過性に優れ、耐ブロッキング性も
良好である。本発明においては、この他に透気性構造を
有する皮膜を形成するものであれば、この実施例に限る
ことなく種々のエマルジョンを用いることができる。
In this embodiment, a silica-modified acrylic copolymer resin is used as the air-permeable sealer. This breathable sealer is a milky white emulsion and has the following physical properties. Non-volatile content: 39.0 ± 1% Viscosity (25 ° C.) ≦ 50 mPa · s (BM type, rotor No. 1, 60 rpm) Ionicity: anion pH: 7.0 ± 1.0 Average particle diameter: 0.06 μm Membrane temperature (MFT): 30 ° C. This sealer has good adhesion to inorganic materials and metals, excellent permeability and water vapor permeability, and good blocking resistance. In the present invention, other than this, various emulsions can be used as long as they form a film having a gas-permeable structure.
【0023】上記通気性シーラーを基材の一面に塗布す
るに際しては、重量で、シリカ変性アクリル共重合樹脂
エマルジョン:水=1:1〜1:2の比率で混合し、塗
布量:20g/m2〜77g/m2(固形分)の条件で塗
布する。20g/m2未満の塗布量では基材に対する化
粧単板貼着の下地材となり得ない。一方、77g/m 2
を超えて塗布すると、基材の通気性を阻害する。シーラ
ー塗布後、熱風ブロワーで120℃×3分間の条件で乾
燥する。
The above air-permeable sealer is applied to one surface of a substrate.
When the silica-modified acrylic copolymer resin is used,
Emulsion: water = 1: 1-1: 2
Cloth: 20 g / mTwo~ 77g / mTwo(Solid content)
Cloth. 20g / mTwoWhen applied less than
It cannot be used as a base material for sticking veneer. On the other hand, 77 g / m Two
If it is applied in excess of, the air permeability of the substrate will be impaired. Sheila
-After coating, dry with a hot air blower at 120 ° C for 3 minutes.
Dry.
【0024】次に、本発明においては、通気性シーラー
を塗布した面に、天然木突板を接着剤を介して貼着す
る。天然木突板としては、いわゆる銘木と呼ばれる、厚
さ:0.1mm〜1.2mm、重量:10g/m2〜5
00g/m2の欅、杉、樟、松、橡、ホワイトオークと
いった天然木単板を用いることができる。
Next, in the present invention, a natural wooden veneer is adhered to the surface to which the air-permeable sealer has been applied via an adhesive. As natural wood veneer, so-called precious wood, thickness: 0.1 mm to 1.2 mm, weight: 10 g / m 2 to 5
Natural wood veneers such as zelkova, cedar, camphor, pine, rubber, and white oak of 00 g / m 2 can be used.
【0025】天然木突板を基材に貼着するに際しては、
水性ビニルウレタン、メラミン・酢酸ビニル共重合体樹
脂等を接着剤としてまた、ナイロン不織布等を接着媒体
として用いることができる。
When attaching a natural wood veneer to a substrate,
Aqueous vinyl urethane, melamine / vinyl acetate copolymer resin or the like can be used as an adhesive, and nylon nonwoven fabric or the like can be used as an adhesive medium.
【0026】なお、この実施例においては、基材の他面
即ち屋外側となる面に防湿・防水性、撥水性、耐水性に
優れたバックシーラーを塗布した。バックシーラーとし
ては、アクリル・スチレン共重合樹脂を主剤として用い
ている。この主剤は、重量で、アクリル・スチレン共重
合樹脂:36%、水:54%、造膜助剤:10%の組成
を有する乳白色エマルジョンである。その物性は、以下
の通りである。 不揮発分 :36.0±1% 粘度(25℃) ≦100mPa・s(BM型、ローターNo.4、 12rpm) イオン性 :アニオン pH :8.5±2.0
In this example, a back sealer excellent in moisture proof / waterproofness, water repellency and water resistance was applied to the other surface of the base material, that is, the surface on the outdoor side. An acrylic / styrene copolymer resin is used as a main material for the back sealer. This base material is a milky white emulsion having a composition of, by weight, an acrylic / styrene copolymer resin: 36%, water: 54%, and a film forming aid: 10%. Its physical properties are as follows. Non-volatile content: 36.0 ± 1% Viscosity (25 ° C.) ≦ 100 mPa · s (BM type, rotor No. 4, 12 rpm) Ionicity: anion pH: 8.5 ± 2.0
【0027】前記主剤に、撥水性、耐水性、耐ブロッキ
ング性の向上ならびに造膜助剤としての機能増強の目的
で、重量で、パラフィンワックス:50%、水:50%
からなる乳白色エマルジョンを添加剤として用いてい
る。この添加剤の物性は、以下の通りである。 固形分 :50±2% pH :9±1 粘度 ≦100mcP イオン性 :アニオン
For the purpose of improving the water repellency, water resistance and blocking resistance and enhancing the function as a film-forming aid, the main component contains paraffin wax: 50% and water: 50% by weight.
Is used as an additive. The physical properties of this additive are as follows. Solid content: 50 ± 2% pH: 9 ± 1 Viscosity ≦ 100 mcP Ionicity: anion
【0028】上記バックシーラーを基材の他面に塗布す
るに際しては、アクリル・スチレン共重合樹脂エマルジ
ョン:100重量部、添加剤:5重量部の比率で混合し
て、塗布量:72g/m2〜102g/m2の条件で塗布
する。72g/m2未満の塗布量では、防湿・防水機能
を十分に発現できない。一方、102g/m2で効果が
飽和し、これを超える塗布量はコストの上昇要因となる
のみである。バックシーラー塗布後、熱風ドライヤーで
100℃×3分間の条件で乾燥する。
When applying the back sealer to the other surface of the base material, the acrylic / styrene copolymer resin emulsion: 100 parts by weight and the additive: 5 parts by weight are mixed, and the coating amount: 72 g / m 2. It is applied under the condition of 102 g / m 2 . If the coating amount is less than 72 g / m 2 , the moisture-proof / waterproof function cannot be sufficiently exhibited. On the other hand, the effect is saturated at 102 g / m 2 , and a coating amount exceeding this amount only causes an increase in cost. After the application of the back sealer, it is dried with a hot air drier at 100 ° C. for 3 minutes.
【0029】以下、本発明の実施例を記す。 実施例1 焼成された半水石膏スラーにB型シリカゲルを1.0重
量%と増強剤、強度補強材を混入して板状に成形して調
湿性能を有する石膏系基材を得た。次いで、上記基材面
上に、天然木突板として、厚さ:0.25mm、重量:
90g/m2の欅をビニルウレタン樹脂系接着剤(固形
分:35g/m2)を介して貼着した。突板表面には、
ウレタンクリアを20g/m2の塗布量で表面塗装して
求める化粧単板貼り調湿性防火建材を得た。
Hereinafter, embodiments of the present invention will be described. Example 1 A calcined hemihydrate gypsum slurr was mixed with 1.0% by weight of B-type silica gel, a reinforcing agent and a strength reinforcing material, and molded into a plate to obtain a gypsum-based substrate having humidity control performance. Then, on the substrate surface, as a natural veneer, thickness: 0.25 mm, weight:
90 g / m 2 zelkova was adhered via a vinyl urethane resin-based adhesive (solid content: 35 g / m 2 ). On the veneer surface,
Urethane clear was coated on the surface with an application amount of 20 g / m 2 to obtain a decorative veneer-attached moisture-controllable fireproof building material.
【0030】得られた、上記の化粧単板貼り調湿性防火
建材は天然木化粧板以上の吸放湿性を有しており、市販
の、防火性建材である石膏ボードに壁紙を貼着した建材
に比し、優れた吸放湿性を有していてた。
The obtained fireproof building material laminated with decorative veneer has a moisture absorption / desorption property higher than that of a decorative veneer board made of natural wood, and is a building material in which wallpaper is stuck to a gypsum board which is a commercially available fireproof building material. Had excellent moisture absorption / release properties.
【0031】実施例2 重量で、二水石膏:30%、高炉スラグ:30%、珪藻
土:20%(平均粒度:30μm)、パルプ:5%、ロ
ックウール:3%、パーライト(軽量骨材):12%の
組成の原料混合物に、原料混合物の75%の水を加えて
混練し、得られたスラリーを丸網式抄造機を用いて抄造
速度:40m/分で抄造し、次いで、70℃近傍まで段
階的に昇温し、70℃の温度で20時間蒸気(90%R
H)養生した。その後、100時間の自然養生を行っ
た。然る後、乾燥機内において、180℃で10分間の
乾燥を行った後、切断加工を行って厚さ:6mm、幅:
910mm、長さ:1820mmの調湿性建材基材を得
た。
Example 2 Gypsum: 30%, blast furnace slag: 30%, diatomaceous earth: 20% (average particle size: 30 μm), pulp: 5%, rock wool: 3%, pearlite (light weight aggregate) by weight : 75% of water of the raw material mixture was added to the raw material mixture having a composition of 12% and kneaded, and the resulting slurry was paper-formed at a paper-forming speed of 40 m / min using a round mesh paper-making machine, and then 70 ° C. The temperature was raised stepwise to the vicinity, and steam (90% R
H) Cured. Thereafter, natural curing was performed for 100 hours. Then, after drying in a dryer at 180 ° C. for 10 minutes, a cutting process is performed to obtain a thickness: 6 mm and a width:
A humidity control building material base material having a length of 910 mm and a length of 1820 mm was obtained.
【0032】この基材の一面に通気性シーラーとして
の、ウレタン樹脂エマルジョン:水=1:2(重量比)
の混合物を塗布した。塗布量は、20g/m2(固形
分)であった。その後、120℃×3分間の熱風乾燥を
行った。
A urethane resin emulsion: water = 1: 2 (weight ratio) on one side of the substrate as a breathable sealer
Was applied. The coating amount was 20 g / m 2 (solid content). Thereafter, hot air drying was performed at 120 ° C. for 3 minutes.
【0033】次いで、上記通気性シーラー塗布面上に、
天然木突板として、厚さ:0.2mm、重量:100g
/m2のホワイトオークをビニルウレタン樹脂系接着剤
(固形分:40g/m2)を介して貼着した。突板表面
に、クリアラッカーを20g/m2の塗布量で表面塗装
した。
Next, on the air-permeable sealer coated surface,
Natural wood veneer, thickness: 0.2mm, weight: 100g
/ M 2 of white oak was adhered via a vinyl urethane resin-based adhesive (solid content: 40 g / m 2 ). The surface of the veneer was coated with clear lacquer at a coating amount of 20 g / m 2 .
【0034】一方、基材の他面にバックシーラーとし
て、アクリル・スチレン共重合樹脂エマルジョン:10
0重量部と、添加剤としてのパラフィンワックス:50
%、水:50%からなる乳白色エマルジョン:5重量部
の混合物を87g/m2塗布した。その後、100℃×
3分間の熱風乾燥を行った。
On the other hand, an acrylic / styrene copolymer resin emulsion: 10
0 parts by weight and paraffin wax as an additive: 50
%, Water: 50%, milky white emulsion: 5 parts by weight of a mixture of 87 g / m 2 was applied. Then, 100 ℃ ×
Hot air drying was performed for 3 minutes.
【0035】得られた、調湿性建材の調湿性を試験し
た。その結果を図1に示す。図1から明らかなように、
本発明の化粧単板貼り調湿性防火建材は天然木化粧板以
上の吸放湿性を有しており、市販の、防火性建材である
石膏ボードに壁紙を貼着した建材に比し、優れた吸放湿
性を有している。
The humidity control properties of the obtained humidity control building material were tested. The result is shown in FIG. As is clear from FIG.
The decorative veneer-attached moisture-proof fireproof building material of the present invention has a moisture absorption / desorption property higher than that of a natural wood decorative board, and is superior to a commercially available building material obtained by sticking wallpaper to a gypsum board which is a fireproof building material. Has moisture absorption / release properties.
【0036】[0036]
【発明の効果】本発明によれば、天然木化粧板と同等ま
たはそれ以上の吸放湿性を有するとともに耐火性、防火
性を有し表面に天然木化粧を施した天井材、内装材など
の健在として用いることができる化粧単板貼り調湿性防
火建材を提供することができる。
According to the present invention, ceiling materials, interior materials, etc., which have the same or better moisture absorption and release properties as natural wood decorative boards, and have fire resistance and fire resistance, and have natural wood decorative surfaces applied to the surface. It is possible to provide a decorative veneer-attached moisture-controlling fireproof building material that can be used as a living room.
【図面の簡単な説明】[Brief description of the drawings]
【図1】本発明の調湿性建材の調湿試験結果を示すグラ
FIG. 1 is a graph showing the results of a humidity control test of a humidity control building material of the present invention.
─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成13年4月25日(2001.4.2
5)
[Submission date] April 25, 2001 (2001.4.2
5)
【手続補正1】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0031[Correction target item name] 0031
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【0031】実施例2 重量で、二水石膏:30%、高炉スラグ:30%、珪藻
土:20%(平均粒度:30μm)、パルプ:5%、ロ
ックウール:3%、パーライト(軽量骨材):12%の
組成の原料混合物に、水を加えて混練し、得られたスラ
リーを丸網式抄造機を用いて抄造速度:40m/分で抄
造し、次いで、70℃近傍まで段階的に昇温し、70℃
の温度で20時間蒸気(90%RH)養生した。その
後、100時間の自然養生を行った。然る後、乾燥機内
において、180℃で10分間の乾燥を行った後、切断
加工を行って厚さ:6mm、幅:910mm、長さ:1
820mmの調湿性建材基材を得た。
Example 2 Gypsum: 30%, blast furnace slag: 30%, diatomaceous earth: 20% (average particle size: 30 μm), pulp: 5%, rock wool: 3%, pearlite (light weight aggregate) by weight : Water was added to the raw material mixture having a composition of 12% and kneaded, and the resulting slurry was paper-formed at a paper-forming speed of 40 m / min using a round-mesh paper-making machine, and then gradually raised to around 70 ° C. Warm, 70 ° C
At 90 ° C. for 20 hours. Thereafter, natural curing was performed for 100 hours. Then, after drying in a dryer at 180 ° C. for 10 minutes, cutting is performed to obtain a thickness: 6 mm, a width: 910 mm, and a length: 1
An 820 mm humidity control building material substrate was obtained.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) E04B 1/94 E04B 1/94 R E04C 2/26 E04C 2/26 Z E04F 13/08 E04F 13/08 A //(C04B 28/14 (C04B 28/14 14:18 14:18 14:08 14:08 18:10 18:10 B 16:02) 16:02) Z (72)発明者 谷 義雄 岐阜県岐阜市手力町1番1号 株式会社岐 阜加工ベニヤ製作所内 Fターム(参考) 2E001 DB03 DB04 DE01 FA10 FA14 GA12 GA42 HA01 HA03 JA04 JA14 JC09 2E110 AA02 AA16 AB03 AB23 BA02 BA12 BB04 GA33W GA33X GA42X GB12X GB16X GB17X GB18X GB33X GB46Z GB54Z GB62W GB62X 2E162 CC02 FA01 FA02 FA04 FA05 FA09 FA11 FA20 FC05 4F100 AA03A AA19A AA20A AA37A AC02A AC03A AC04A AE03A AE06A AE09A AK51 AP01B AT00A BA02 CA23A CB02G DG01A EJ64 GB08 HB01 JD14 JD14A JD16 JD16A JJ07 YY00A 4G012 PA04 PA05 PA06 PA07 PA18 PA24 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) E04B 1/94 E04B 1/94 R E04C 2/26 E04C 2/26 Z E04F 13/08 E04F 13/08 A // (C04B 28/14 (C04B 28/14 14:18 14:18 14:08 14:08 18:10 18:10 B 16:02) 16:02) Z (72) Inventor Yoshio Tani Gifu, Gifu No. 1-1, Ichideki-cho Gifu Processing Veneer Works F-term (reference) 2E001 DB03 DB04 DE01 FA10 FA14 GA12 GA42 HA01 HA03 JA04 JA14 JC09 2E110 AA02 AA16 AB03 AB23 BA02 BA12 BB04 GA33W GA33X GA42X GB12X GB16X GB17X GB18X GB17X GB46Z GB54Z GB62W GB62X 2E162 CC02 FA01 FA02 FA04 FA05 FA09 FA11 FA20 FC05 4F100 AA03A AA19A AA20A AA37A AC02A AC03A AC04A AE03A AE06A AE09A AK51 AP01B AT00A BA02 CA23A CB02J14J14J07J14J01J14J01J14D 4G012 PA04 PA05 PA06 PA07 PA18 PA24

Claims (2)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 珪酸カルシュウム、石膏、スラグセメン
    ト、珪藻土等から選ばれた無機質を主原料とし、珪藻
    土、シリカゲル、珪酸カルシュウム、セピオライト、ゼ
    オライト、シラス、カオリナイト質粘土、酸化アルミニ
    ュウム、木炭、活性炭等から選ばれた吸放湿材料と補強
    繊維等からなる原料を混合して成形された吸放湿性能を
    有する基材の一面に、接着剤を介して化粧単板が貼着さ
    れてなる化粧単板貼り調湿性防火建材。
    1. An inorganic material selected from calcium silicate, gypsum, slag cement, diatomaceous earth, etc. as a main raw material, diatomaceous earth, silica gel, calcium silicate, sepiolite, zeolite, shirasu, kaolinite clay, aluminum oxide, charcoal, activated carbon, etc. A decorative veneer obtained by adhering a veneer veneer via an adhesive to one surface of a base material having moisture absorbing / releasing performance formed by mixing a moisture absorbing / releasing material selected from the above and a raw material comprising reinforcing fibers and the like. Humidity-resistant fire-resistant building material attached to a board.
  2. 【請求項2】 重量で、二水石膏:2%〜30%、水硬
    性物質:15%〜60%、粒度が2μm〜100μmの
    範囲内にある珪藻土:5%〜30%、パーライト:10
    %〜15%、有機質補強繊維:3%〜5%および無機質
    繊維:1%〜8%の何れか一方または双方からなる基材
    の一面に、通気性シーラー層が形成され、その表面に接
    着剤を介して化粧単板が貼着されてなる請求項1記載の
    化粧単板貼り調湿性防火建材。
    2. By weight, gypsum dihydrate: 2% to 30%, hydraulic substance: 15% to 60%, diatomaceous earth having a particle size in the range of 2 μm to 100 μm: 5% to 30%, perlite: 10
    % To 15%, organic reinforcing fiber: 3% to 5%, and inorganic fiber: 1% to 8%, on one surface of a base material, a breathable sealer layer is formed, and an adhesive is formed on the surface. 2. The moisture-proof fireproof building material according to claim 1, wherein the decorative veneer is adhered via a veneer.
JP2000380843A 2000-12-14 2000-12-14 Decorative veneer-clad humidity controlling fireproof building material Pending JP2002178444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000380843A JP2002178444A (en) 2000-12-14 2000-12-14 Decorative veneer-clad humidity controlling fireproof building material

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WO2004053254A1 (en) * 2002-12-09 2004-06-24 Swan Co.,Ltd. Interior building material, interior building panel and interior building sheet
JP2006175832A (en) * 2004-12-24 2006-07-06 Mitsubishi Shoji Construction Materials Corp Composite material
JP2007001043A (en) * 2005-06-21 2007-01-11 A & A Material Corp Surface decorative inorganic sheet due to papermaking process
JP2007154455A (en) * 2005-12-01 2007-06-21 Panahome Corp Base isolation structure
JP2009226897A (en) * 2008-03-25 2009-10-08 Panasonic Electric Works Co Ltd Decorative panel
US20100107550A1 (en) * 2007-03-30 2010-05-06 Certainteed Corporation Attic and wall insulation with desiccant
CH700397A1 (en) * 2009-02-09 2010-08-13 Empa Feuchtespeicherndes mixture and its production process, use of the material mixture in moisture storage disks, and manufacturing method for moisture storage plates.
JP2014028519A (en) * 2012-07-03 2014-02-13 A & A Material Corp Humidity controlling building material, manufacturing method thereof and decorative humidity controlling building material
US9115498B2 (en) 2012-03-30 2015-08-25 Certainteed Corporation Roofing composite including dessicant and method of thermal energy management of a roof by reversible sorption and desorption of moisture
DE102014018799A1 (en) 2014-12-19 2016-06-23 Bayerisches Zentrum für Angewandte Energieforschung e.V. Moisture-storing mixture and building board made of it
CN106810124A (en) * 2017-02-24 2017-06-09 聚勒环保科技(上海)有限公司 A kind of environment-friendly diatom ooze and its preparation technology
CN111499320A (en) * 2019-01-30 2020-08-07 中建材创新科技研究院有限公司 Gypsum board with humidity adjusting function and preparation method thereof
CN111606654A (en) * 2019-04-30 2020-09-01 中建材创新科技研究院有限公司 Gypsum board with improved humidifying function and preparation method thereof

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004053254A1 (en) * 2002-12-09 2004-06-24 Swan Co.,Ltd. Interior building material, interior building panel and interior building sheet
JP2006175832A (en) * 2004-12-24 2006-07-06 Mitsubishi Shoji Construction Materials Corp Composite material
JP2007001043A (en) * 2005-06-21 2007-01-11 A & A Material Corp Surface decorative inorganic sheet due to papermaking process
JP2007154455A (en) * 2005-12-01 2007-06-21 Panahome Corp Base isolation structure
US20100107550A1 (en) * 2007-03-30 2010-05-06 Certainteed Corporation Attic and wall insulation with desiccant
US8820028B2 (en) * 2007-03-30 2014-09-02 Certainteed Corporation Attic and wall insulation with desiccant
JP2009226897A (en) * 2008-03-25 2009-10-08 Panasonic Electric Works Co Ltd Decorative panel
CH700397A1 (en) * 2009-02-09 2010-08-13 Empa Feuchtespeicherndes mixture and its production process, use of the material mixture in moisture storage disks, and manufacturing method for moisture storage plates.
WO2010089136A3 (en) * 2009-02-09 2011-02-17 Empa Moisture-storing mixture of substances and method for producing the same, use of the mixture of substances in moisture-storing panels and method of production for moisture-storing panels
US9695592B2 (en) 2012-03-30 2017-07-04 Certainteed Corporation Roofing composite including dessicant and method of thermal energy management of a roof by reversible sorption and desorption of moisture
US9115498B2 (en) 2012-03-30 2015-08-25 Certainteed Corporation Roofing composite including dessicant and method of thermal energy management of a roof by reversible sorption and desorption of moisture
JP2014028519A (en) * 2012-07-03 2014-02-13 A & A Material Corp Humidity controlling building material, manufacturing method thereof and decorative humidity controlling building material
DE102014018799A1 (en) 2014-12-19 2016-06-23 Bayerisches Zentrum für Angewandte Energieforschung e.V. Moisture-storing mixture and building board made of it
CN106810124A (en) * 2017-02-24 2017-06-09 聚勒环保科技(上海)有限公司 A kind of environment-friendly diatom ooze and its preparation technology
CN111499320A (en) * 2019-01-30 2020-08-07 中建材创新科技研究院有限公司 Gypsum board with humidity adjusting function and preparation method thereof
CN111606654A (en) * 2019-04-30 2020-09-01 中建材创新科技研究院有限公司 Gypsum board with improved humidifying function and preparation method thereof

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