JP2000063161A - Filler inorganic hydraulic composition and board material - Google Patents
Filler inorganic hydraulic composition and board materialInfo
- Publication number
- JP2000063161A JP2000063161A JP22606798A JP22606798A JP2000063161A JP 2000063161 A JP2000063161 A JP 2000063161A JP 22606798 A JP22606798 A JP 22606798A JP 22606798 A JP22606798 A JP 22606798A JP 2000063161 A JP2000063161 A JP 2000063161A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- flaky
- pts
- inorganic hydraulic
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/12—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone characterised by the shape, e.g. perforated strips
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Panels For Use In Building Construction (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は無機水硬組成物、そ
れに配合する充填材、および建築材料等として使用する
ことのできる板材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inorganic hydraulic composition, a filler to be incorporated therein, and a plate material that can be used as a building material or the like.
【０００２】[0002]
【従来の技術】セメントなどの無機水硬物からなる製品
は圧縮強度に優れるものの、引張り強度や曲げ強度が低
いため、これらの特性を向上させるために種々の補強材
が用いられている。例えば、セメントにセルローズ繊
維、プラスチック繊維等の繊維補強材を配合した構造材
料（特開平８−１６９７３８号公報）、セメントに繊維
状の有機樹脂を補強材として混入したコンクリート（特
開平１０−１４３９号公報）が知られている。また、発
泡ポリスチレン・セメントの複合固形物として、溶融固
化した発泡ポリスチレン体の破砕物群が、セメント・水
からなるセメントペーストを媒体として結合固着された
結合形態と、所要の成形形状を有する複合固形物（特開
平５−１９４０５７号公報）とが知られている。2. Description of the Related Art Products made of inorganic hydraulic materials such as cement have excellent compressive strength, but have low tensile strength and bending strength, and therefore various reinforcing materials have been used to improve these properties. For example, a structural material in which a fiber reinforcing material such as cellulose fiber or a plastic fiber is mixed with cement (Japanese Patent Laid-Open No. 8-169738), and a concrete in which a fibrous organic resin is mixed into the cement as a reinforcing material (Japanese Patent Laid-Open No. 10-1439). Gazette) is known. In addition, as a composite solid of expanded polystyrene / cement, a group of melted and solidified crushed expanded polystyrene bodies are bonded and fixed using cement paste consisting of cement / water as a medium, and a composite solid having the required molding shape. (Japanese Patent Laid-Open No. 5-194057).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、繊維状
の補強材は、引張り強度や曲げ強度を向上させるために
は、大量に配合しなければならず、また、混合が困難
で、高断熱性、軽量化も図れないという問題がある。ま
た、発泡ポリスチレン体の破砕物を混合する場合、コン
クリートの軽量化を図れるが、引張り強度や曲げ強度は
向上しないという問題がある。However, the fibrous reinforcing material must be blended in a large amount in order to improve the tensile strength and the bending strength, and it is difficult to mix, and the high heat insulating property, There is a problem that the weight cannot be reduced. Further, when a crushed product of expanded polystyrene is mixed, the weight of concrete can be reduced, but there is a problem that tensile strength and bending strength are not improved.
【０００４】本発明は、このような問題に対処するため
になされたもので、優れた曲げ強度が得られるととも
に、型成形時の製品の収縮を抑えることができる無機水
硬組成物、その充填材、および無機水硬組成物を成形し
て得られる板材を提供することを目的とする。The present invention has been made to cope with such a problem, and it is an inorganic hydraulic composition capable of providing excellent bending strength and suppressing the shrinkage of the product at the time of molding, and its filling. It is an object to provide a material and a plate material obtained by molding an inorganic hydraulic composition.
【０００５】[0005]
【課題を解決するための手段】本発明の充填材は、無機
水硬組成物に配合される発泡プラスチックスからなる充
填材であって、上記発泡プラスチックスの形状が薄片状
であることを特徴とする。The filler of the present invention is a filler comprising a foamed plastic compounded in an inorganic hydraulic composition, wherein the shape of the foamed plastic compound is a flaky shape. And
【０００６】本発明の無機水硬組成物は、無機水硬材 1
00重量部に対して、少なくとも薄片状発泡プラスチック
スを 0.1〜 50 重量部配合してなることを特徴とする。The inorganic hydraulic composition of the present invention is an inorganic hydraulic material 1
It is characterized in that at least 0.1 to 50 parts by weight of flaky foamed plastic is mixed with 00 parts by weight.
【０００７】また、無機水硬材 100重量部に対して、薄
片状発泡プラスチックス 0.1〜 50重量部、有機質バイ
ンダー 1〜 20 重量部、骨材 5〜300 重量部、 100〜10
00℃で不燃性ガスを放出する無機化合物粉粒体 5〜200
重量部、硬化促進材 1〜150重量部、混和材 0.01 〜5
重量部、繊維材 0.01 〜 10 重量部配合してなることを
特徴とする。Further, with respect to 100 parts by weight of the inorganic hydraulic material, 0.1 to 50 parts by weight of flaky foamed plastic, 1 to 20 parts by weight of organic binder, 5 to 300 parts by weight of aggregate, and 10 to 10 parts by weight.
Inorganic compound powder that emits nonflammable gas at 00 ℃ 5 to 200
Parts by weight, curing accelerator 1 to 150 parts by weight, admixture 0.01 to 5
By weight, 0.01 to 10 parts by weight of the fiber material are mixed.
【０００８】本発明の板材は、無機水硬組成物を成形し
てなる板材であって、該無機水硬組成物が上記無機水硬
組成物であることを特徴とする。The plate material of the present invention is a plate material formed by molding an inorganic hydraulic composition, wherein the inorganic hydraulic composition is the above-mentioned inorganic hydraulic composition.
【０００９】本発明の充填材は、薄片状発泡プラスチッ
クスを所定の形状としたので、無機水硬組成物に配合す
ると優れた断熱性や曲げ強度の製品が得られる充填材と
なる。また、本発明の無機水硬組成物は、薄片状発泡プ
ラスチックスを配合してなるので、建築材などの製品と
した場合、薄片状発泡プラスチックスが層状に配向する
ため、曲げ強度が向上する。また、発泡体を配合するの
で、軽量で断熱性能に優れた製品、例えば板材等が得ら
れる。In the filler of the present invention, the flaky foamed plastics are formed into a predetermined shape, so that when the filler is blended with the inorganic hydraulic composition, a product having excellent heat insulation and bending strength can be obtained. Further, since the inorganic hydraulic composition of the present invention contains flaky foamed plastics, when it is used as a product such as a building material, the flaky foamed plastics are oriented in a layered form, so that the bending strength is improved. . In addition, since the foam is compounded, a product that is lightweight and has excellent heat insulating performance, such as a plate material, can be obtained.
【００１０】[0010]
【発明の実施の形態】本発明に係る無機水硬材は、水と
反応することにより硬化する無機化合物であれば使用す
ることができる。たとえば無機セメント類、エトリンジ
ャイト、石こうなどを挙げることができる。これらの中
で、断熱性、靭性、耐久性が得られ易い無機セメント類
が好ましい。無機セメント類は、ポルトランドセメント
や早強ポルトランドセメント、白色ポルトランドセメン
ト、アルミナセメント、焼き石こうなどの水硬性セメン
ト類、高炉セメントや高硫酸塩スラグセメント、石灰ス
ラグセメント、キーンスセメントなどの潜在水硬性セメ
ント類、シリカセメントやフライアッシュセメント、石
灰シリカセメント、ケイ酸アルカリ、オキシクロライド
セメント、リン酸セメントなどの混合セメント類などを
挙げることができる。これらのなかで、水硬性セメント
類や潜在水硬性セメント類が薄片状発泡プラスチックス
を容易に配合できるので好ましい。BEST MODE FOR CARRYING OUT THE INVENTION The inorganic hydraulic material according to the present invention can be used as long as it is an inorganic compound that is cured by reacting with water. For example, inorganic cements, ettringite, gypsum, etc. can be mentioned. Among these, inorganic cements, which are easy to obtain heat insulation, toughness, and durability, are preferable. Inorganic cements include hydraulic cements such as Portland cement, early-strength Portland cement, white Portland cement, alumina cement, and gypsum, latent hydraulic properties such as blast furnace cement and high sulfate slag cement, lime slag cement, and Keens cement. Examples thereof include cements, mixed cements such as silica cement, fly ash cement, lime silica cement, alkali silicate, oxychloride cement, and phosphate cement. Among these, hydraulic cements and latent hydraulic cements are preferable because the flaky foamed plastics can be easily mixed.
【００１１】充填材である薄片状発泡プラスチックス
は、プラスチックスに発泡剤を添加して加熱時に発生す
るガスを利用して成形したり、反応性プラスチックス原
料が反応時に発生するガスを利用して成形したりする発
泡成形法により得られる発泡プラスチックスを薄片状に
成形したものである。この発泡プラスチックスは、熱可
塑性や熱硬化性などのプラスチックスの種類、分解型発
泡剤や蒸発型発泡剤などの発泡手段、射出発泡法や押出
し発泡法などの成形方法、発泡倍率 3〜4 倍以下の低発
泡や 10 〜 70 倍の高発泡などの発泡倍率、独立または
連続気泡などの気泡構造等は、本発明の水硬性硬化材の
種類や用途により種々選択することができる。例えば外
壁建築用など特に断熱性を必要とする場合には独立気泡
構造が好ましい。The flaky foamed plastics, which is a filler, is formed by adding a foaming agent to plastics and utilizing the gas generated during heating, or the gas generated during the reaction of the reactive plastics raw material is used. It is a thin piece of foamed plastics obtained by a foaming molding method. This foamed plastics is made of different types of plastics such as thermoplastic and thermosetting, foaming means such as decomposable foaming agent and evaporative foaming agent, molding methods such as injection foaming method and extrusion foaming method, foaming ratio 3 to 4 The expansion ratio such as low expansion of less than twice or high expansion of 10 to 70 times, cell structure such as independent or open cells, and the like can be variously selected depending on the type and application of the hydraulic hardening material of the present invention. The closed cell structure is preferred when heat insulation is required, for example, for exterior wall construction.
【００１２】本発明にあっては、発泡ポリスチレン、発
泡ウレタン、発泡ポリエチレンや発泡ポリプロピレンな
どの発泡ポリオレフィンが曲げ強度の向上や軽量化を図
る上で好適である。In the present invention, expanded polystyrene, expanded urethane, expanded polyolefin such as expanded polyethylene and expanded polypropylene are suitable for improving bending strength and reducing weight.
【００１３】上述の発泡プラスチックスを薄片状に加工
する。加工方法としては、薄片シートを切断する方法、
金型を用いて成形する方法、板状体や塊状体を表面から
スライスする方法等、いかなる方法であってもよい。本
発明にあっては、特に板状体や塊状体を表面からスライ
スする方法が好ましい。板状体や塊状体としては、産業
廃棄物として処分される発泡プラスチックス体を用いる
ことができる。スライスする方法であると、薄片状それ
ぞれが同一形状とならず、また、個々の薄片状プラスチ
ックスが厚さの厚い部分と薄い部分とが混在するため、
無機水硬材のスラリーに配合したとき、均一分散化しや
すくなる。また、配合した後、成形型に流し込む際に厚
さの厚い部分を中心とする復元力により薄片状プラスチ
ックスが相互に層状に配向しやすくなる。その結果、本
発明の無機水硬組成物を用いて得られる建築材などの製
品の曲げ強度が向上する。The above-mentioned foamed plastics is processed into a flaky shape. As a processing method, a method of cutting a thin sheet,
Any method may be used, such as a method of molding using a mold or a method of slicing a plate-shaped body or a lump body from the surface. In the present invention, a method of slicing a plate or a lump from the surface is particularly preferable. As the plate-shaped body or the lump-shaped body, a foamed plastic body that is disposed of as industrial waste can be used. If it is a method of slicing, each flaky shape does not have the same shape, and since individual flaky plastics have a thick portion and a thin portion mixed,
When blended in a slurry of an inorganic hydraulic material, it becomes easy to uniformly disperse. In addition, after blending, the flaky plastics are easily oriented in layers when they are poured into a molding die due to a restoring force centering on a thick portion. As a result, the bending strength of products such as building materials obtained using the inorganic hydraulic composition of the present invention is improved.
【００１４】薄片状プラスチックスの具体的形状として
は、厚さ、幅および長さが全て同一とならない薄片状で
あって、厚さ 0.1〜15mm、幅 1〜300 mm、長さ 1〜300
mmの範囲内のものが好ましい。また、厚さが厚い部分か
ら薄い部分へと、その厚さ断面を見た場合先端方向が楔
型に変化する形状であってもよい。さらに、略同一厚さ
の薄片状であってもよい。このような形状は、発泡プラ
スチックスの板状体や塊状体をスライサー等によりスラ
イスすることにより得られる。The specific shape of the flaky plastic is a flaky shape in which the thickness, width and length are not all the same, and the thickness is 0.1 to 15 mm, the width is 1 to 300 mm, and the length is 1 to 300.
Those within the range of mm are preferable. Further, it may have a shape in which the tip direction changes into a wedge shape when the thickness section is viewed from the thick portion to the thin portion. Further, it may be in the form of flakes having substantially the same thickness. Such a shape can be obtained by slicing a plate-shaped body or a lump of foamed plastics with a slicer or the like.
【００１５】配合割合は、無機水硬材 100重量部に対し
て、少なくとも薄片状発泡プラスチックスを 0.1〜 50
重量部、好ましくは 1〜 30 重量部である。この範囲で
あると、製品の曲げ強度が向上する。また、充填材が薄
片状発泡プラスチックスであるため、無機水硬材の収縮
を抑えることができる。The blending ratio is at least 0.1 to 50 parts by weight of flaky foamed plastics per 100 parts by weight of the inorganic hydraulic material.
Parts by weight, preferably 1 to 30 parts by weight. Within this range, the bending strength of the product is improved. Further, since the filler is flaky foamed plastic, it is possible to suppress the shrinkage of the inorganic hydraulic material.
【００１６】本発明に係る有機質バインダーは、無機セ
メントなどの無機水硬材の水和反応とともに、無機水硬
材内に取り込まれ、耐水性能と耐久性とを付与する。た
とえば、アクリル酸エステルやメタクリル酸エステルを
共重合させた純アクリルエマルジョンあるいはスチレン
を導入したスチレンアクリルエマルジョンなどのアクリ
ル樹脂系エマルジョン、酢酸ビニル樹脂系エマルジョ
ン、酢酸ビニル・ベオバ共重合樹脂系エマルジョン、ス
チレン−ブタジエン樹脂系エマルジョン等を挙げること
ができる。水性エマルジョンは、保護コロイド、界面活
性剤、顔料、顔料の湿潤剤、粘度調整剤、凍結融解安定
剤、消泡剤、防カビ剤等を含んでいてもよい。The organic binder according to the present invention is taken into the inorganic hydraulic material together with the hydration reaction of the inorganic hydraulic material such as inorganic cement, and imparts water resistance and durability. For example, an acrylic resin emulsion such as a pure acrylic emulsion obtained by copolymerizing an acrylic ester or a methacrylic ester or a styrene acrylic emulsion into which styrene is introduced, a vinyl acetate resin emulsion, a vinyl acetate / Veova copolymer resin emulsion, styrene- Examples thereof include a butadiene resin emulsion. The aqueous emulsion may contain a protective colloid, a surfactant, a pigment, a pigment wetting agent, a viscosity modifier, a freeze-thaw stabilizer, an antifoaming agent, an antifungal agent and the like.
【００１７】本発明に係る骨材は、無機水硬材の水和反
応を維持し、強度を保ことができるものであれば使用す
ることができる。例えば、フライアッシュ、川砂、珪
砂、砕石砂利、発泡炭酸カルシウム、黒曜石パーライ
ト、真珠岩パーライト、焼成バーミキュライト、シラス
バルーン等を挙げることができる。The aggregate according to the present invention can be used as long as it can maintain the hydration reaction of the inorganic hydraulic material and maintain the strength. Examples thereof include fly ash, river sand, silica sand, crushed stone gravel, expanded calcium carbonate, obsidian perlite, pearlite perlite, calcined vermiculite, and shirasu balloon.
【００１８】本発明に係る 100〜1000℃で不燃性ガスを
放出する無機化合物粉粒体は、 100〜1000℃の温度域で
水蒸気ガスや炭酸ガス等の不燃性ガスを放出する無機化
合物をいう。特に重量の 10 ％以上を不燃性ガスとして
放出することのできる無機化合物が好ましい。具体的に
は、 200℃〜 250℃で水蒸気ガスを生成する水酸化アル
ミニウム、約 800℃で炭酸ガスを生成する炭酸カルシウ
ム、約 900℃で水蒸気ガスを生成するベントナイトおよ
びセピオライト、約 150℃で水蒸気ガスおよび炭酸ガス
を生成する重曹、約 400℃で水蒸気ガスを生成する水酸
化マグネシウム等を例示できる。これらは単独でも混合
物としても使用できる。The inorganic compound powder or granules releasing a nonflammable gas at 100 to 1000 ° C according to the present invention means an inorganic compound releasing a nonflammable gas such as steam gas or carbon dioxide gas in a temperature range of 100 to 1000 ° C. . In particular, an inorganic compound capable of releasing 10% or more by weight as a nonflammable gas is preferable. Specifically, aluminum hydroxide that produces steam gas at 200 ° C to 250 ° C, calcium carbonate that produces carbon dioxide gas at approximately 800 ° C, bentonite and sepiolite that produces vapor gas at approximately 900 ° C, and steam at approximately 150 ° C. Baking soda which produces gas and carbon dioxide, magnesium hydroxide which produces steam gas at about 400 ° C., and the like can be exemplified. These can be used alone or as a mixture.
【００１９】本発明に係る硬化促進材は、無機水硬材の
水和反応を促進させるものであれば使用することがで
き、急結急硬性を与える水ガラス、カルシウム塩、塩化
錫等を挙げることができる。The hardening accelerator according to the present invention can be used as long as it accelerates the hydration reaction of the inorganic hydraulic material, and examples thereof include water glass, calcium salt, tin chloride, etc. which give quick setting and rapid hardening. be able to.
【００２０】本発明に係る混和材は、施工作業性を向上
させるための保水剤や粘度調整剤等をいい、例えばメチ
ルセルローズやＡＥ剤等をいう。The admixture according to the present invention refers to a water retention agent, a viscosity modifier, etc. for improving the workability of construction, such as methyl cellulose and AE agent.
【００２１】本発明に係る繊維材は、製品の曲げ強度の
向上に寄与し、亀裂を防止するもので、従来周知の繊維
材を用いることができる。例えば耐アルカリガラス繊
維、セラミックファイバー、ポリエステル繊維、ノメッ
クスやケブラーなどの芳香族ポリアミド繊維等を挙げる
ことができる。The fiber material according to the present invention contributes to improving the bending strength of the product and prevents cracks, and conventionally known fiber materials can be used. Examples thereof include alkali resistant glass fibers, ceramic fibers, polyester fibers, aromatic polyamide fibers such as Nomex and Kevlar.
【００２２】配合割合は、無機水硬材 100重量部に対し
て、薄片状発泡プラスチックス 0.1〜 50 重量部、好ま
しくは 1〜 30 重量部、有機質バインダー 1〜 20 重量
部、好ましくは 5〜 10 重量部、骨材 5〜300 重量部、
好ましくは 50 〜150 重量部、 100〜1000℃で不燃性ガ
スを放出する無機化合物粉粒体 5〜200 重量部、好まし
くは 30 〜100 重量部、硬化促進材 1〜150 重量部、好
ましくは 10 〜100 重量部、混和材 0.01 〜5 重量部、
繊維材 0.01 〜 10 重量部である。この範囲であると、
製品の曲げ強度が向上する。また、薄片状発泡プラスチ
ックスであるため、無機水硬材の収縮を抑えることがで
きる。さらに耐熱耐水性が向上する。The blending ratio is 0.1 to 50 parts by weight, preferably 1 to 30 parts by weight, and 1 to 20 parts by weight, preferably 5 to 10 parts by weight of an organic binder based on 100 parts by weight of the inorganic hydraulic material. Parts by weight, aggregate 5 to 300 parts by weight,
Preferably 50 to 150 parts by weight, 5 to 200 parts by weight, preferably 30 to 100 parts by weight, inorganic compound powder or granules that release a nonflammable gas at 100 to 1000 ° C., 1 to 150 parts by weight, preferably 10 parts by weight. ~ 100 parts by weight, admixture 0.01 to 5 parts by weight,
Fiber material 0.01 to 10 parts by weight. Within this range,
The bending strength of the product is improved. Further, since it is a flaky foamed plastic, it is possible to suppress the shrinkage of the inorganic hydraulic material. Further, heat resistance and water resistance are improved.
【００２３】本発明の無機水硬組成物を用いて、建築材
料などに用いられるセメント板材を製造する方法は、例
えば、セメント類と薄片状発泡プラスチックスとのスラ
リーを型枠に入れ所定の押圧力により加圧して製造する
ことができる。スラリーは板材などを形成できる濃度で
あって、かつ比較的小さい粘度であることが好ましい。
そのようなスラリーを型枠に流し込むと、その過程で薄
片状発泡プラスチックスが層状に配向する。スラリーの
粘度としては、フロー値で 180以上あることが好まし
い。また、型枠としては、表面に模様がある場合、もし
くは無地の場合であってもよい。A method for producing a cement board used for a building material or the like by using the inorganic hydraulic composition of the present invention is, for example, a method in which a slurry of cement and flaky foamed plastics is put in a mold and a predetermined press is applied. It can be manufactured by applying pressure. The slurry preferably has a concentration capable of forming a plate material and has a relatively low viscosity.
When such a slurry is poured into a mold, the flaky foamed plastics are oriented in layers in the process. The viscosity of the slurry is preferably 180 or more in terms of flow value. Further, the mold may have a pattern on the surface or may be plain.
【００２４】得られた板材の断面を図１に示す。板材１
は、セメント材２の内部に薄片状発泡プラスチックス３
が分散された状態であり、その薄片状発泡プラスチック
ス３はそれぞれが層状に配向している。このため、成形
時の収縮がみられず、曲げ強度が向上するとともに、断
熱性に優れ、かつ表面弾性を有する軽量な製品が得られ
る。断熱性に優れる理由としては、図１に示すように、
熱の伝達経路４が薄片状発泡プラスチックス３により長
くなるためと考えられる。これに対して従来の粉粒体を
配合した板材の場合、図２に示すように、熱の伝達経路
４が粉粒体５によって妨げられず、熱伝導性に優れた無
機物の最短距離となるため、本発明の無機水硬組成物か
ら得られる製品に比較して断熱性に劣ることとなる。本
発明の無機水硬組成物、およびそれより得られる板材
は、建築材料一般、建築内外装材、人造木材、屋根材に
好適に用いることができる。A cross section of the obtained plate material is shown in FIG. Plate material 1
Inside the cement material 2 is flaky foamed plastics 3
Are dispersed, and the flaky foamed plastics 3 are oriented in layers. Therefore, no shrinkage is observed during molding, bending strength is improved, and a lightweight product having excellent heat insulation and surface elasticity can be obtained. As shown in Fig. 1, the reason for the excellent heat insulation is as follows.
It is considered that the heat transfer path 4 becomes longer due to the flaky foamed plastics 3. On the other hand, in the case of a plate material containing a conventional powder or granular material, as shown in FIG. 2, the heat transfer path 4 is not obstructed by the powder or granular material 5 and becomes the shortest distance of the inorganic substance having excellent thermal conductivity. Therefore, the heat insulating property is inferior to the product obtained from the inorganic hydraulic composition of the present invention. The inorganic hydraulic composition of the present invention and the plate material obtained therefrom can be suitably used for building materials in general, building interior and exterior materials, artificial wood, and roofing materials.
【００２５】[0025]
【実施例】実施例１〜実施例２１
ポリスチレン発泡体（発泡倍率 30 倍）を平均厚さ約 1
mmにスライスして表１に示す長さおよび幅を有する薄片
状発泡プラスチックスからなる充填材を得た。ポルトラ
ンドセメント 100重量部に対して、上記充填材を 5重量
部、水 60 重量部配合して混合スラリーとした後、型枠
に流し込み表面を押えつけながら硬化させて厚さ 13mm
の板材を得た。得られた板材の断面を観察したところ、
薄片状発泡プラスチックスが厚さ方向に層状に配向し、
板材の表面は弾力性を有していた。また、成形時の収縮
がみられなかった。得られた板材の曲げ強度をＪＩＳ
Ｒ ５２０１に準じて測定した。結果を図３に示す。な
お、図３における曲線の番号は表１に示すグラフ番号で
ある。例えば、実施例１５（グラフ番号：４、長さ： 5
mm）の板材の曲げ強度は 35kgf/cm2であった。なお、こ
の実施例１５の板材について、ＪＩＳ Ａ １４２０に
準じて熱伝導率を測定したところ、0.045kcal/m2・h・
℃と断熱性に優れていた。[Examples] Examples 1 to 21 Polystyrene foam (expansion ratio 30 times) was used to obtain an average thickness of about 1
It was sliced into mm to obtain a filler made of flaky foamed plastics having the length and width shown in Table 1. To 100 parts by weight of Portland cement, 5 parts by weight of the above filler and 60 parts by weight of water were mixed to form a mixed slurry, which was poured into a formwork and hardened while pressing the surface to a thickness of 13 mm.
The board material was obtained. When observing the cross section of the obtained plate material,
Flaky foamed plastics are oriented in layers in the thickness direction,
The surface of the plate material had elasticity. In addition, no shrinkage was observed during molding. The bending strength of the obtained plate material is JIS
It measured according to R5201. The results are shown in Fig. 3. The curve numbers in FIG. 3 are the graph numbers shown in Table 1. For example, Example 15 (graph number: 4, length: 5
(mm) plate material had a bending strength of 35 kgf / cm 2 . The heat conductivity of the plate material of Example 15 was measured according to JIS A 1420, and it was 0.045 kcal / m 2 · h ·
It was excellent at ℃ and heat insulation.
【００２６】比較例１〜比較例４
ポリスチレン発泡体（発泡倍率 30 倍）を表２に示す一
辺の長さを有する略立方体に成形して充填材を得た。こ
の充填材を用いる以外は実施例１と同一の方法で厚さ 1
3mm の板材を得た。得られた板材の曲げ強度をＪＩＳ
Ｒ ５２０１に準じて測定した。結果を図３に示す。比
較例２の板材の曲げ強度は 25kgf/cm2であった。また、
実施例１５と同一の方法で熱伝導率を測定したところ、
0.062kcal/m2・h・℃であった。Comparative Examples 1 to 4 A polystyrene foam (expansion ratio: 30 times) was molded into a substantially cubic body having a side length shown in Table 2 to obtain a filler. The thickness was the same as in Example 1 except that this filler was used.
A plate material of 3 mm was obtained. The bending strength of the obtained plate material is JIS
It measured according to R5201. The results are shown in Fig. 3. The bending strength of the plate material of Comparative Example 2 was 25 kgf / cm 2 . Also,
When the thermal conductivity was measured by the same method as in Example 15,
It was 0.062 kcal / m 2 · h · ° C.
【００２７】[0027]
【表１】 [Table 1]
【表２】 [Table 2]
【００２８】実施例１〜実施例２１の板材は、曲げ強度
に優れていた。また、厚さに対して長さおよび幅がより
大きい薄片状発泡プラスチックスがより優れた曲げ強度
を示していた。The plate materials of Examples 1 to 21 were excellent in bending strength. In addition, the flaky foamed plastics having a larger length and width with respect to the thickness showed more excellent bending strength.
【００２９】実施例２２
ポルトランドセメント 100重量部に対して、実施例１５
で用いた薄片状発泡プラスチックスを 5重量部、アクリ
ルエマルジョン（ 20 重量％） 20 重量部、フライアッ
シュ 50 重量部、水酸化アルミニウム粉粒体 30 重量
部、水ガラス 15重量部、メチルセルローズ混和材 0.1
重量部、耐アルカリガラス繊維 0.1重量部配合して混合
した後、硬化させて厚さ 13mm の板材を得た。得られた
板材の断面は、薄片状発泡プラスチックスが層状に配向
しており、実施例１と同一の方法で板材の曲げ強度を測
定したところ、 40kgf/cm2であった。Example 22 Example 15 was added to 100 parts by weight of Portland cement.
5 parts by weight of the flaky foamed plastics used in, 20 parts by weight of acrylic emulsion (20% by weight), 50 parts by weight of fly ash, 30 parts by weight of aluminum hydroxide powder, 15 parts by weight of water glass, methyl cellulose admixture 0.1
By weight, 0.1 part by weight of alkali-resistant glass fiber was mixed and mixed, and then cured to obtain a plate material having a thickness of 13 mm. The cross section of the obtained plate material had the flaky foamed plastics oriented in a layered form, and when the bending strength of the plate material was measured by the same method as in Example 1, it was 40 kgf / cm 2 .
【００３０】比較例５
薄片状発泡プラスチックスの代わりに比較例２で用いた
ポリスチレン発泡体の粉粒体を用いる以外は実施例２２
と同一の条件方法で厚さ 13mm の板材を得た。実施例１
と同一の方法で板材の曲げ強度を測定したところ、 28k
gf/cm2であった。Comparative Example 5 Example 22 except that the polystyrene foam powder used in Comparative Example 2 was used in place of the flaky foamed plastics.
A plate material having a thickness of 13 mm was obtained under the same condition method as described above. Example 1
The bending strength of the plate was measured by the same method as
It was gf / cm 2 .
【００３１】[0031]
【発明の効果】本発明の充填材は、薄片状発泡プラスチ
ックスなので、無機水硬組成物のスラリー内で層状に配
向する。その結果、板材として優れた断熱性や曲げ強度
の製品が得られる。Since the filler of the present invention is flaky foamed plastics, it is oriented in layers in the slurry of the inorganic hydraulic composition. As a result, a product having excellent heat insulating properties and bending strength as a plate material can be obtained.
【００３２】本発明の無機水硬組成物は、薄片状発泡プ
ラスチックスを配合してなるので、曲げ強度が向上する
とともに、断熱性に優れ、かつ表面弾性を有する軽量な
建築用板材などの製品が得られる。Since the inorganic hydraulic composition of the present invention contains flaky foamed plastics, it has improved flexural strength, excellent heat insulation and surface elasticity, such as lightweight construction board materials. Is obtained.
【００３３】また、薄片状発泡プラスチックスととも
に、有機質バインダー、骨材等を配合してなるので、上
記特性に加えて、耐熱性、耐久性に優れた建築用板材な
どの製品が得られる。In addition to the above-mentioned characteristics, a product such as a building board material having excellent heat resistance and durability can be obtained because the organic binder, the aggregate and the like are blended together with the flaky foamed plastics.
【００３４】本発明の板材は上記無機水硬組成物を成形
してなるので、無機水硬組成物内において薄片状発泡プ
ラスチックスが厚さ方向に層状に配向する。その結果、
優れた曲げ強度、断熱性を有する板材が得られる。Since the plate material of the present invention is formed by molding the above-mentioned inorganic hydraulic composition, the flaky foamed plastics are oriented in the thickness direction in a layered manner in the inorganic hydraulic composition. as a result,
A plate material having excellent bending strength and heat insulation can be obtained.
【図１】本発明の無機水硬組成物を用いて得られた板材
の断面図である。FIG. 1 is a cross-sectional view of a plate material obtained by using an inorganic hydraulic composition of the present invention.
【図２】従来の粉粒体を配合した板材の断面図である。FIG. 2 is a cross-sectional view of a plate material containing a conventional powder and granules.
【図３】板材の曲げ強度を測定した結果を示す図であ
る。FIG. 3 is a view showing a result of measuring bending strength of a plate material.
１ 板材 ２ セメント材 ３ 薄片状発泡プラスチックス ４ 熱の伝達経路 ５ 粉粒体 1 plate material 2 cement materials 3 Flaky foamed plastics 4 Heat transfer path 5 Granules
───────────────────────────────────────────────────── 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） Ｃ０４Ｂ 16:08 24:26 18:08 22:08 22:06 24:38） 111:40 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 7 Identification code FI theme code (reference) C04B 16:08 24:26 18:08 22:08 22:06 24:38) 111: 40
Claims (4)
チックスからなる充填材であって、前記発泡プラスチッ
クスの形状が薄片状であることを特徴とする充填材。1. A filler made of foamed plastics to be mixed with an inorganic hydraulic composition, wherein the shape of the foamed plastics is flaky.
とも薄片状発泡プラスチックスを 0.1〜 50 重量部配合
してなることを特徴とする無機水硬組成物。2. An inorganic hydraulic composition, characterized in that at least 0.1 to 50 parts by weight of flaky foamed plastic is mixed with 100 parts by weight of the inorganic hydraulic material.
発泡プラスチックス0.1〜 50 重量部、有機質バインダ
ー 1〜 20 重量部、骨材 5〜300 重量部、 100〜1000℃
で不燃性ガスを放出する無機化合物粉粒体 5〜200 重量
部、硬化促進材 1〜150 重量部、混和材 0.01 〜5 重量
部、繊維材 0.01 〜 10 重量部配合してなることを特徴
とする無機水硬組成物。3. 100 to 100 parts by weight of inorganic hydraulic material, 0.1 to 50 parts by weight of flaky foamed plastic, 1 to 20 parts by weight of organic binder, 5 to 300 parts by weight of aggregate, and 100 to 1000 ° C.
5 to 200 parts by weight of an inorganic compound powder that emits a non-combustible gas, a curing accelerator of 1 to 150 parts by weight, an admixture of 0.01 to 5 parts by weight, and a fiber material of 0.01 to 10 parts by weight. Inorganic hydraulic composition.
って、前記無機水硬組成物が請求項２または請求項３記
載の無機水硬組成物であることを特徴とする板材。4. A plate material formed by molding an inorganic hydraulic composition, wherein the inorganic hydraulic composition is the inorganic hydraulic composition according to claim 2 or 3.
Priority Applications (1)
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|---|---|---|---|
| JP22606798A JP4558851B2 (en) | 1998-08-10 | 1998-08-10 | Inorganic hydraulic composition and plate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22606798A JP4558851B2 (en) | 1998-08-10 | 1998-08-10 | Inorganic hydraulic composition and plate material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000063161A true JP2000063161A (en) | 2000-02-29 |
| JP4558851B2 JP4558851B2 (en) | 2010-10-06 |
Family
ID=16839300
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|---|---|---|---|
| JP22606798A Expired - Fee Related JP4558851B2 (en) | 1998-08-10 | 1998-08-10 | Inorganic hydraulic composition and plate material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006037187A1 (en) * | 2004-10-08 | 2006-04-13 | E.I.F.S. Holdings Limited | Improved cementitious mixtures |
| JP2008291644A (en) * | 2008-08-12 | 2008-12-04 | Ohbayashi Corp | Heat insulation structure |
| AU2005291861B2 (en) * | 2004-10-08 | 2011-08-18 | E.I.F.S. Holdings Limited | Improved cementitious mixtures |
| KR101073964B1 (en) | 2010-02-10 | 2011-10-17 | 한국남부발전 주식회사 | Functional board composition and method for preparing the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101833548B1 (en) * | 2011-11-14 | 2018-02-28 | 롯데정밀화학 주식회사 | Light Plaster Mortar Composition Having Improved Wet Adhesion |
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|---|---|---|---|---|
| WO2006037187A1 (en) * | 2004-10-08 | 2006-04-13 | E.I.F.S. Holdings Limited | Improved cementitious mixtures |
| EP1817267A1 (en) * | 2004-10-08 | 2007-08-15 | E.I.F.S. Holdings Limited | Improved cementitious mixtures |
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| EP1817267A4 (en) * | 2004-10-08 | 2011-08-17 | E I F S Holdings Ltd | Improved cementitious mixtures |
| AU2005291861B2 (en) * | 2004-10-08 | 2011-08-18 | E.I.F.S. Holdings Limited | Improved cementitious mixtures |
| JP2008291644A (en) * | 2008-08-12 | 2008-12-04 | Ohbayashi Corp | Heat insulation structure |
| KR101073964B1 (en) | 2010-02-10 | 2011-10-17 | 한국남부발전 주식회사 | Functional board composition and method for preparing the same |
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|---|---|
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| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| LAPS | Cancellation because of no payment of annual fees |