JPH07187734A - Curable inorganic composition - Google Patents
Curable inorganic compositionInfo
- Publication number
- JPH07187734A JPH07187734A JP32747793A JP32747793A JPH07187734A JP H07187734 A JPH07187734 A JP H07187734A JP 32747793 A JP32747793 A JP 32747793A JP 32747793 A JP32747793 A JP 32747793A JP H07187734 A JPH07187734 A JP H07187734A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- fly ash
- inorganic
- alumina
- parts
- 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
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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions 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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
(57)【要約】
【目的】強度及び耐久性に優れた無機質成形体を得うる
硬化性無機質組成物。
【構成】アルミナセメント、γ−アルミナ、溶射された
アルミナ、メタアルミン酸ナトリウムからなる群より選
ばれる１以上のアルミニウム系添加剤０．５〜８０重量
％及びフライアッシュを粉砕処理することによって得ら
れた、平均粒径５．０μｍ以下の表面活性フライアッシ
ュ９９．５〜２０重量％からなる無機質粉体１００重量
部、アルカリ金属珪酸塩３〜２００重量部、並びに、水
３〜２００重量部からなることを特徴とする。(57) [Summary] [Purpose] A curable inorganic composition capable of obtaining an inorganic molded article excellent in strength and durability. [Structure] 0.5 to 80% by weight of one or more aluminum-based additives selected from the group consisting of alumina cement, γ-alumina, sprayed alumina, and sodium metaaluminate and fly ash were obtained by crushing treatment. 100 parts by weight of inorganic powder consisting of 99.5 to 20% by weight of surface-active fly ash having an average particle size of 5.0 μm or less, 3 to 200 parts by weight of alkali metal silicate, and 3 to 200 parts by weight of water. Is characterized by.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、硬化性無機質組成物に
関する。FIELD OF THE INVENTION The present invention relates to a curable inorganic composition.
【０００２】[0002]
【従来の技術】従来、アルカリの存在下で、熱により硬
化する無機成形体として、特開平４−５９６４８号公報
には、コランダム又はムライトの製造時に発生する集塵
装置の灰、メタカオリン、フライアッシュ等の無機固体
成分、アルカリ金属珪酸塩水溶液、充填剤、有機ベント
ナイト等からなる硬化性無機質組成物が開示されてい
る。2. Description of the Related Art Conventionally, as an inorganic molded article which is cured by heat in the presence of an alkali, Japanese Patent Laid-Open No. 4-59648 discloses ash, metakaolin and fly ash of a dust collector generated during the production of corundum or mullite. A curable inorganic composition comprising an inorganic solid component such as the above, an alkali metal silicate aqueous solution, a filler, an organic bentonite, etc. is disclosed.
【０００３】しかし、無機固体成分として、産業廃棄物
でありその有効利用が求められているフライアッシュを
用いた場合、フライアッシュはアルカリとの反応性が低
いため、上記硬化性無機質組成物から得られる無機質成
形体は、強度及び耐久性に欠けるといった問題があっ
た。However, when fly ash, which is an industrial waste and is required to be effectively used, is used as the inorganic solid component, the fly ash has low reactivity with alkali, and thus is obtained from the curable inorganic composition. The resulting inorganic molded article has a problem that it lacks strength and durability.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、強度及び耐
久性に優れた無機質成形体を得うる硬化性無機質組成物
を提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a curable inorganic composition capable of obtaining an inorganic molded article having excellent strength and durability.
【０００５】[0005]
【課題を解決するための手段】本発明で用いられるアル
ミニウム系添加剤は、アルミナセメント、γ−アルミ
ナ、溶射されたアルミナ、メタアルミン酸ナトリウムか
らなる群より選ばれる１以上のものよりなる。The aluminum-based additive used in the present invention comprises at least one selected from the group consisting of alumina cement, γ-alumina, sprayed alumina and sodium metaaluminate.
【０００６】上記アルミナセメントとは、Ａｌ2 Ｏ3 が
３０％以上、且つ、ＣａＯが５０％以下であり、アルミ
ン酸石灰を主成分とする無機質粉体をいい、ＪＩＳ Ｒ
２５１１に挙げられるすべての品種を用いることができ
る。The above-mentioned alumina cement refers to an inorganic powder containing Al 2 O 3 in an amount of 30% or more and CaO in an amount of 50% or less and containing lime aluminate as a main component.
All varieties listed in 2511 can be used.
【０００７】上記γ−アルミナとは、ボーキサイト、水
和酸化アルミニウム等を数百度で加熱脱水することで得
られる、α−アルミナより結晶性の悪い粉体をいう。The above-mentioned γ-alumina refers to a powder having crystallinity lower than that of α-alumina, which is obtained by heating and dehydrating bauxite, hydrated aluminum oxide and the like at several hundred degrees.
【０００８】上記溶射されたアルミナとは、高温溶射法
によって得られた、Ａｌ2 Ｏ3 を７０％以上含有する粉
体である。The above-mentioned sprayed alumina is a powder containing 70% or more of Al 2 O 3 obtained by a high temperature spraying method.
【０００９】アルミニウム系添加剤の平均粒径は、大き
いと、添加効果が図れないことがあるので、３００μｍ
以下が好ましい。If the average particle size of the aluminum-based additive is large, the effect of addition may not be achieved.
The following are preferred.
【００１０】本発明で用いられる表面活性フライアッシ
ュは、フライアッシュを粉砕処理することによって得ら
れた、平均粒径５．０μｍ以下のフライアッシュであ
る。なお、本発明で用いられるフライアッシュとは、Ｊ
ＩＳ Ａ ６２０１に規定されるものをいう。The surface-active fly ash used in the present invention is a fly ash having an average particle size of 5.0 μm or less, which is obtained by pulverizing fly ash. The fly ash used in the present invention means J
Refers to those specified in IS A 6201.
【００１１】フライアッシュの粉砕処理は、特に限定さ
れないが、粉砕の機構において衝撃、摩砕が中心となる
ジェット粉砕機や粉砕の機構において衝撃、摩擦、圧
縮、せん断等が複合したボール媒体ミル、媒体攪拌型ミ
ル、ローラミル等を用いて行われ、乾式又は湿式いづれ
で行われてもよい。The crushing process of fly ash is not particularly limited, but a ball crusher that combines impact, friction, compression, shear, etc. in a crushing mechanism or a jet crusher whose crushing mechanism is mainly used in a crushing mechanism, It may be performed using a medium stirring type mill, a roller mill or the like, and may be performed in either a dry type or a wet type.
【００１２】なお、ジェット粉砕機には、気流吸い込み
型、ノズル内通過型、衝突型、複合型等があり、媒体攪
拌型ミルには、攪拌槽型、流通管型、アニュラ型があ
り、いづれが用いられてもよい。The jet crusher includes an air flow suction type, a nozzle passage type, a collision type, a composite type and the like, and the medium stirring type mill includes a stirring tank type, a flow tube type and an annular type. May be used.
【００１３】表面活性フライアッシュの平均粒径は、大
きいと、フライアッシュ表面の活性が低く、アルカリと
の反応性が不十分となるので、５．０μｍ以下に限定さ
れ、３．０μｍ以下が好ましい。If the average particle size of the surface-active fly ash is large, the activity of the fly ash surface is low and the reactivity with alkali is insufficient, so it is limited to 5.0 μm or less, preferably 3.0 μm or less. .
【００１４】平均粒径が５．０μｍ以下となるように、
フライアッシュに粉砕処理を施すと、加えられた衝撃、
せん断、圧縮等による機械的エネルギーが、フライアッ
シュの粒子微細化と共に、フライアッシュ表面の構造不
安定化に使用されるため、アルカリとの反応性の高い表
面活性フライアッシュを得ることができる。In order that the average particle size is 5.0 μm or less,
When the fly ash is crushed, the applied impact,
Mechanical energy due to shearing, compression, etc. is used for destabilizing the fly ash particles and for destabilizing the structure of the fly ash surface, so that surface-active fly ash highly reactive with alkali can be obtained.
【００１５】本発明で用いられる無機質粉体は、上記ア
ルミニウム系添加剤及び表面活性フライアッシュからな
る。The inorganic powder used in the present invention comprises the above-mentioned aluminum-based additive and surface-active fly ash.
【００１６】無機質粉体中、表面活性フライアッシュの
含有量は、多いと、硬化及び乾燥時の収縮が大きくな
り、又、少ないと、硬化性無機質組成物から得られる無
機質成形体の強度が低下するので、２０〜９９．５重量
％に限定される。When the content of the surface-active fly ash in the inorganic powder is large, the shrinkage during curing and drying is large, and when it is small, the strength of the inorganic molded body obtained from the curable inorganic composition is lowered. Therefore, it is limited to 20 to 99.5% by weight.
【００１７】本発明で用いられるアルカリ金属珪酸塩と
は、Ｍ2 Ｏ・ｎＳｉＯ2 （ＭはＬｉ、Ｋ，Ｎａ；ｎは、
０及び正の数）で表されるものである。The alkali metal silicate used in the present invention is M 2 O.nSiO 2 (M is Li, K, Na; n is
0 and a positive number).
【００１８】Ｍ2 Ｏ・ｎＳｉＯ2 において、ｎは、大き
いと、アルカリ金属珪酸塩の分散性が低下することがあ
るので、ｎは、８以下が好ましい。In M 2 O.nSiO 2 , if n is large, the dispersibility of the alkali metal silicate may be deteriorated. Therefore, n is preferably 8 or less.
【００１９】なお、アルカリ金属珪酸塩は、単独で用い
られても、混合して用いられてもよい。The alkali metal silicates may be used alone or as a mixture.
【００２０】アルカリ金属珪酸塩の添加量は、多くて
も、少なくても、得られる硬化性無機質組成物の硬化性
が不十分となるので、無機質粉体１００重量部に対し
て、３〜２００重量部に限定される。If the amount of the alkali metal silicate added is large or small, the curability of the resulting curable inorganic composition will be insufficient, so 3 to 200 parts by weight per 100 parts by weight of the inorganic powder will be used. Limited to parts by weight.
【００２１】水の添加量は、多いと、硬化性無機質組成
物を硬化させて得られる無機質成形体の強度が低下し、
又、少ないと、硬化性無機質組成物の成形が困難となる
ので、無機質粉体１００重量部に対して、３〜２００重
量部に限定される。If the amount of water added is large, the strength of the inorganic molded body obtained by curing the curable inorganic composition is lowered,
On the other hand, if the amount is too small, it will be difficult to mold the curable inorganic composition.
【００２２】アルカリ金属珪酸塩は、予め水溶液にして
添加することは、アルカリ金属珪酸塩の分散性が向上
し、好適である。かかる際、アルカリ金属珪酸塩水溶液
の濃度は、特に限定されないが、濃いと、得られる硬化
性無機質組成物の粘度が高くなり、成形する際、困難と
なることがあり又、薄いと、硬化性無機質組成物が硬化
しないことがあるので、１〜７０重量％が好ましい。It is preferable to add the alkali metal silicate as an aqueous solution in advance, because the dispersibility of the alkali metal silicate is improved. At this time, the concentration of the alkali metal silicate aqueous solution is not particularly limited, but if the concentration is high, the viscosity of the curable inorganic composition obtained will be high, and it may be difficult during molding. Since the inorganic composition may not be cured, it is preferably 1 to 70% by weight.
【００２３】本発明である硬化性無機質組成物は、無機
質粉体、アルカリ金属珪酸塩及び水からなるが、必要に
応じて、物性を損なわない範囲内で、補強繊維、軽量有
機・無機質充填剤が添加されてもよい。The curable inorganic composition of the present invention comprises an inorganic powder, an alkali metal silicate and water, and if necessary, reinforcing fibers and a lightweight organic / inorganic filler within a range not impairing the physical properties. May be added.
【００２４】上記補強繊維を、硬化性無機質組成物に添
加することは、硬化性無機質組成物を硬化させて得られ
る無機質成形体の強度が向上し好適である。It is preferable to add the reinforcing fiber to the curable inorganic composition because the strength of the inorganic molded body obtained by curing the curable inorganic composition is improved.
【００２５】補強繊維は、得られる無機質成形体の用途
に応じて、適宜選択すればよく、特に限定されず、例え
ば、ビニロン、ポリプロピレンからなる繊維、アクリル
繊維、レーヨン、アラミド繊維等の合成繊維；ガラス繊
維、チタン酸カリウム、ロックウール、カーボン繊維、
鋼繊維等の無機繊維等が挙げられる。The reinforcing fiber may be appropriately selected according to the intended use of the obtained inorganic molded body and is not particularly limited, and examples thereof include fibers made of vinylon and polypropylene, synthetic fibers such as acrylic fiber, rayon and aramid fiber; Glass fiber, potassium titanate, rock wool, carbon fiber,
Examples include inorganic fibers such as steel fibers.
【００２６】補強繊維の形態は、特に限定されず、メッ
シュ状、短繊維、長繊維等いづれの形態であってもよ
い。The form of the reinforcing fiber is not particularly limited and may be any form such as mesh, short fiber and long fiber.
【００２７】補強繊維として、短繊維を用いる場合、補
強繊維の長さは、短いと、補強硬化が不十分となること
があるので、１５ｍｍ以上が好ましい。When short fibers are used as the reinforcing fibers, if the length of the reinforcing fibers is short, the reinforcing and curing may be insufficient, so that the length is preferably 15 mm or more.
【００２８】補強繊維の平均径は、太いと、補強硬化が
不十分となることがあり、又、細いと、硬化性無機質組
成物への混合時、再凝集し、交絡によりファイバーボー
ルが形成され、得られる無機質成形体の強度が低下した
り、表面平滑性が低下することがあるので、１〜５００
μｍが好ましい。If the average diameter of the reinforcing fiber is large, the reinforcing and curing may be insufficient, and if the average diameter is small, the reinforcing fiber may be re-aggregated when mixed with the curable inorganic composition to form a fiber ball by entanglement. Since the strength of the obtained inorganic molded article may be reduced or the surface smoothness may be reduced, 1 to 500
μm is preferred.
【００２９】補強繊維の添加量は、多いと、繊維が、硬
化性無機質組成物への均一な混合が困難となることがあ
るので、表面活性フライアッシュ１００重量部に対し
て、１０重量部以下が好ましい。If the addition amount of the reinforcing fiber is large, it may be difficult to uniformly mix the fiber with the curable inorganic composition. Therefore, 10 parts by weight or less relative to 100 parts by weight of surface-active fly ash. Is preferred.
【００３０】上記軽量有機・無機充填剤を、硬化性無機
質組成物に添加することは、硬化性無機質組成物を硬化
させて得られる無機質成形体の軽量化が図れ、好適であ
る。It is preferable to add the above-mentioned lightweight organic / inorganic filler to the curable inorganic composition because the inorganic molded body obtained by curing the curable inorganic composition can be reduced in weight.
【００３１】有機充填剤としては、例えば、スチレン系
重合体、塩化ビニリデン系重合体、フェノール樹脂、ウ
レタン樹脂、エチレン樹脂等からなる有機充填剤が挙げ
られる。Examples of the organic filler include organic fillers made of styrene-based polymers, vinylidene chloride-based polymers, phenol resins, urethane resins, ethylene resins and the like.
【００３２】無機充填剤としては、例えば、ガラスバル
ーン、シラスバルーン、フライアッシュバルーン、シリ
カバルーン、パーライト、珪砂等の無機質発泡体等が挙
げられる。Examples of the inorganic fillers include inorganic foams such as glass balloons, shirasu balloons, fly ash balloons, silica balloons, pearlite and silica sand.
【００３３】上記無機質発泡体の比重は、高いと、硬化
性無機質組成物を硬化させて得られる無機質成形体の軽
量化が図れないことがあり、又、低いと、得られる無機
質成形体の機械的強度の低下を招くことがあるので、
０．１〜１ｇ／ｃｍ3 が好ましい。If the specific gravity of the above-mentioned inorganic foam is high, it may not be possible to reduce the weight of the inorganic molded product obtained by curing the curable inorganic composition, and if it is low, the mechanical strength of the resulting inorganic molded product may be reduced. Since this may lead to a decrease in physical strength,
0.1 to 1 g / cm 3 is preferable.
【００３４】有機・無機充填剤の添加量は、多いと、得
られる無機質成形体の強度が低下することがあり、又、
少ないと、得られる無機質成形体の軽量化が図れないこ
とがあるので、表面活性フライアッシュ１００重量部に
対して、０．１〜１００重量部が好ましい。If the amount of the organic / inorganic filler added is large, the strength of the obtained inorganic molded article may be lowered, and
If the amount is small, the weight of the resulting inorganic molded article may not be reduced, so 0.1 to 100 parts by weight is preferable with respect to 100 parts by weight of surface-active fly ash.
【００３５】本発明の硬化性無機質組成物の製造方法
は、特に限定されず、例えば、セメント組成物を製造す
る際、通常使用される、オムニミキサー、マイリッヒミ
キサー等に、アルカリ金属珪酸塩を予め水に溶解させて
得られたアルカリ金属珪酸塩水溶液、無機質粉体等を供
給し、混合する方法が挙げられる。The method for producing the curable inorganic composition of the present invention is not particularly limited, and for example, an alkali metal silicate may be added to an omni mixer, a Mailrich mixer or the like which is usually used when producing a cement composition. A method of supplying and mixing an alkali metal silicate aqueous solution, an inorganic powder, or the like, which is obtained by previously dissolving in water, can be mentioned.
【００３６】本発明である硬化性無機質組成物から無機
質成形体を得る方法としては、特に限定されず、一般的
な方法が用いられ、例えば、注入法、プレス法、押出し
法等が挙げられる。The method for obtaining an inorganic molded body from the curable inorganic composition of the present invention is not particularly limited, and a general method can be used, and examples thereof include an injection method, a pressing method and an extrusion method.
【００３７】硬化性無機質組成物を加熱、硬化させる温
度は、特に限定されず、常温で行ってもよいが、高い
と、硬化時の収縮が大きくなり、得られる無機質成形体
にクラック等の発生が生じることがあり、低いと、硬化
反応の速度が低下することがあるので、５０〜２００℃
で行うのが好ましい。The temperature at which the curable inorganic composition is heated and cured is not particularly limited and may be room temperature, but if it is high, shrinkage during curing becomes large, and cracks or the like occur in the obtained inorganic molded body. May occur, and if it is low, the rate of the curing reaction may decrease, so 50 to 200 ° C.
It is preferable to carry out.
【００３８】[0038]
（実施例１〜８、比較例１〜７）フライアッシュとし
て、下記フライアッシュ〜を用いた。(Examples 1 to 8 and Comparative Examples 1 to 7) The following fly ash was used as the fly ash.
【００３９】フライアッシュ フライアッシュ（東北電力社製 平均粒径１０．１μｍ
結晶化度５０重量％）を、ジェットミル（（株）マキ
ノ社製 商品名ＦＰ−２）を用いて、１０回繰り返し
て、粉砕処理を行い、平均粒径２．８μｍの表面活性フ
ライアッシュを得た。 Fly ash Fly ash (manufactured by Tohoku Electric Power Co., Inc. average particle size 10.1 μm
Crystallinity of 50% by weight is repeated 10 times using a jet mill (trade name: FP-2, manufactured by Makino Co., Ltd.) to carry out a pulverization treatment to obtain surface-active fly ash having an average particle size of 2.8 μm. Obtained.
【００４０】フライアッシュ フライアッシュ（東北電力社製 平均粒径１０．１μｍ
結晶化度５０重量％）を、振動ミル（三英製作所社製
商品名ＭＢ−１）を用いて、２００時間粉砕処理を行
い、表面活性フライアッシュを得た。 Fly ash Fly ash (manufactured by Tohoku Electric Power Co., Inc. average particle size 10.1 μm
The crystallinity of 50% by weight was crushed for 200 hours by using a vibration mill (trade name MB-1 manufactured by Sanei Seisakusho Co., Ltd.) to obtain surface-active fly ash.
【００４１】フライアッシュ フライアッシュ（東北電力社製 平均粒径１０．１μｍ
結晶化度５０重量％）を、ジェットミル（（株）マキ
ノ社製 商品名ＦＰ−２）を用いて、１回繰り返して、
粉砕処理を行い、平均粒径５．９μｍのフライアッシュ
を得た。 Fly ash Fly ash (manufactured by Tohoku Electric Power Co., Inc. average particle size 10.1 μm
Crystallinity 50% by weight is repeated once using a jet mill (trade name: FP-2, manufactured by Makino Co., Ltd.),
Pulverization was performed to obtain fly ash having an average particle size of 5.9 μm.
【００４２】フライアッシュ フライアッシュ（東北電力社製 平均粒径１０．１μｍ
結晶化度５０重量％） Fly ash Fly ash (manufactured by Tohoku Electric Power Co., Inc. average particle size 10.1 μm
Crystallinity 50% by weight)
【００４３】アルミニウム系添加剤として、下記アルミ
ニウム添加剤〜を用いた。The following aluminum additives were used as the aluminum-based additives.
【００４４】アルミニウム系添加剤 Ａｌ2 Ｏ3 ４０重量％、ＣａＯ３８重量％のアルミナセ
メント（旭ガラス社製 商品名アサヒフォンジュ）The aluminum-based additive Al 2 O 3 40 wt%, CaO38 wt% of alumina cement (Asahi Glass Co., Ltd. trade name Asahi von Ju)
【００４５】アルミニウム系添加剤 Ａｌ2 Ｏ3 ５６重量％、ＣａＯ３６重量％のアルミナセ
メント（旭ガラス社製 商品名アサヒアルミナセメン
ト１号）The aluminum-based additive Al 2 O 3 56 wt%, CaO36 wt% of alumina cement (Asahi Glass Co., Ltd. trade name Asahi Alumina Cement No. 1)
【００４６】アルミニウム系添加剤溶射処理されたア
ルミナ（（株）マイクロン社製 商品名ハリミック） Aluminum-based additive spray-treated alumina (trade name Harimic manufactured by Micron Co., Ltd.)
【００４７】アルミニウム系添加剤 γ−アルミナ（住友化学（株）社製 商品名活性アルミ
ナ） Aluminum additive γ-alumina (trade name activated alumina manufactured by Sumitomo Chemical Co., Ltd.)
【００４８】アルミニウム系添加剤 メタアルミン酸ナトリウム（北陸化成（株）社製 商品
名キタクリート＃１０） Aluminum additive sodium metaaluminate (trade name Kitakreet # 10 manufactured by Hokuriku Kasei Co., Ltd.)
【００４９】表１、２に示した所定量の上記フライアッ
シュ〜、アルミニウム系添加剤〜、珪砂、ビニ
ロン（クラレ社製 商品名ＲＭ１８２ 繊維長６ｍ
ｍ）、Ｋ 2 Ｏ・ｎＳｉＯ2 水溶液を、ミキサーに供給
し、５分間混合、硬化性無機質組成物を得た。A predetermined amount of the fly-up shown in Tables 1 and 2 is used.
~, Aluminum additive ~, silica sand, vinyl
Ron (product name RM182 manufactured by Kuraray Co., Ltd., fiber length 6 m
m), K 2O ・ nSiO2Supply the aqueous solution to the mixer
Then, the mixture was mixed for 5 minutes to obtain a curable inorganic composition.
【００５０】得られた硬化性無機質組成物を、幅１５０
ｍｍ、長さ１０ｍｍ、厚さ１０ｍｍの型枠内に注入し、
オーブン内で９０℃で、１２時間加熱し、無機質成形体
を得た。The resulting curable inorganic composition was applied to a width of 150
mm, length 10 mm, thickness 10 mm
It heated at 90 degreeC in the oven for 12 hours, and obtained the inorganic molded object.
【００５１】得られた無機質成形体を切断して、幅１５
０ｍｍ、長さ５０ｍｍ、厚さ１０ｍｍの小片を得、曲げ
強度、外観及び１気圧下、９８℃以上の水に８時間浸漬
した後の、小片の曲げ強度、外観を以下の方法で測定
し、その結果を表１、２に示した。The obtained inorganic molded body was cut to have a width of 15
A small piece having a length of 0 mm, a length of 50 mm and a thickness of 10 mm was obtained, and the bending strength and the appearance of the small piece after being immersed in water at 98 ° C. or higher for 8 hours under the bending strength, appearance and 1 atmosphere were measured by the following methods, The results are shown in Tables 1 and 2.
【００５２】（脱型性）無機質成形体を、型枠から取り
出せたものを、可、取り出せなかったものを、不可をし
た。(Removability) As for the inorganic molded body, the one that could be taken out from the mold was evaluated as "OK" and the one that could not be taken out was evaluated as "NG".
【００５３】（曲げ強度）得られた無機質成形体を、５
時間乾燥後、更に、気乾状態で２４時間放置したもの
を、ＪＩＳ Ａ１４０８に準じて、曲げ強度を測定し
た。(Bending strength) The obtained inorganic molding was
After being dried for an hour, it was allowed to stand in an air-dried state for 24 hours, and the bending strength was measured according to JIS A1408.
【００５４】（外観）得られた無機質成形体の割れ、ク
ラック、光沢の有無を目視観察し、割れ、クラックのい
ずれもなく且つ光沢を有するものを良好、そうでないも
のを全て不可とした。(Appearance) The presence or absence of cracks, cracks, and gloss of the obtained inorganic molded article was visually observed, and those having neither cracks nor cracks and having gloss were evaluated as good, and those not having any of these were evaluated as unacceptable.
【００５５】[0055]
【表１】 [Table 1]
【００５６】[0056]
【表２】 [Table 2]
【００５７】[0057]
【発明の効果】本発明の構成は上記の通りであり、本発
明によれば、フライアッシュの反応性のばらつきを制御
し、強度、耐久性に優れた無機質成形体を得ることがで
きる。The constitution of the present invention is as described above, and according to the present invention, it is possible to control the variation in the reactivity of fly ash and obtain an inorganic molded article excellent in strength and durability.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０４Ｂ 14:30 14:06 Ｚ 16:06） Ｚ (Ｃ０４Ｂ 28/26 14:06 Ｚ 16:06） Ｚ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI technical display location C04B 14:30 14:06 Z 16:06) Z (C04B 28/26 14:06 Z 16:06) ) Z
Claims (1)
れたアルミナ、メタアルミン酸ナトリウムからなる群よ
り選ばれる１以上のアルミニウム系添加剤０．５〜８０
重量％及びフライアッシュを粉砕処理することによって
得られた、平均粒径５．０μｍ以下の表面活性フライア
ッシュ９９．５〜２０重量％からなる無機質粉体１００
重量部、アルカリ金属珪酸塩３〜２００重量部、並び
に、水３〜２００重量部からなることを特徴とする硬化
性無機質組成物。1. One or more aluminum-based additives selected from the group consisting of alumina cement, γ-alumina, sprayed alumina, and sodium metaaluminate 0.5 to 80.
Inorganic powder 100 consisting of 99.5 to 20% by weight of surface-active fly ash having an average particle size of 5.0 μm or less, which is obtained by pulverizing the weight% and fly ash.
A curable inorganic composition comprising 3 parts by weight, 3 to 200 parts by weight of an alkali metal silicate, and 3 to 200 parts by weight of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32747793A JPH07187734A (en) | 1993-12-24 | 1993-12-24 | Curable inorganic composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32747793A JPH07187734A (en) | 1993-12-24 | 1993-12-24 | Curable inorganic composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07187734A true JPH07187734A (en) | 1995-07-25 |
Family
ID=18199599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32747793A Pending JPH07187734A (en) | 1993-12-24 | 1993-12-24 | Curable inorganic composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07187734A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11263661A (en) * | 1998-01-13 | 1999-09-28 | Nato Kenkyusho:Kk | Hydraulic silica-based binder, and water and heat resistant solidified body |
| JP2001163660A (en) * | 1999-09-29 | 2001-06-19 | Taiheiyo Cement Corp | Hardenable composition and hardened body |
| JP2001240456A (en) * | 2000-02-29 | 2001-09-04 | Taiheiyo Cement Corp | Acid proof mortar, grout and concrete, and method for working therewith |
| US6893751B2 (en) | 2001-03-02 | 2005-05-17 | James Hardie Research Pty Limited | Composite product |
| US7419544B2 (en) * | 2001-03-02 | 2008-09-02 | James Hardie International Finance B.V. | Additive for dewaterable slurry and slurry incorporating same |
| JP2011520761A (en) * | 2008-05-23 | 2011-07-21 | ダスティト マネージメント スポル．エス．アール．オー． | Method for producing inorganic hydraulic binder |
| US8993462B2 (en) | 2006-04-12 | 2015-03-31 | James Hardie Technology Limited | Surface sealed reinforced building element |
| JP2018087139A (en) * | 2018-02-26 | 2018-06-07 | 太平洋マテリアル株式会社 | Geopolymer composition |
-
1993
- 1993-12-24 JP JP32747793A patent/JPH07187734A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11263661A (en) * | 1998-01-13 | 1999-09-28 | Nato Kenkyusho:Kk | Hydraulic silica-based binder, and water and heat resistant solidified body |
| JP2001163660A (en) * | 1999-09-29 | 2001-06-19 | Taiheiyo Cement Corp | Hardenable composition and hardened body |
| JP2001240456A (en) * | 2000-02-29 | 2001-09-04 | Taiheiyo Cement Corp | Acid proof mortar, grout and concrete, and method for working therewith |
| US6893751B2 (en) | 2001-03-02 | 2005-05-17 | James Hardie Research Pty Limited | Composite product |
| EP1373157A4 (en) * | 2001-03-02 | 2006-10-11 | James Hardie Int Finance Bv | Additive for dewaterable slurry |
| US7396402B2 (en) | 2001-03-02 | 2008-07-08 | James Hardie International Finance B.V. | Coatings for building products and dewatering aid for use with same |
| US7419544B2 (en) * | 2001-03-02 | 2008-09-02 | James Hardie International Finance B.V. | Additive for dewaterable slurry and slurry incorporating same |
| US8993462B2 (en) | 2006-04-12 | 2015-03-31 | James Hardie Technology Limited | Surface sealed reinforced building element |
| JP2011520761A (en) * | 2008-05-23 | 2011-07-21 | ダスティト マネージメント スポル．エス．アール．オー． | Method for producing inorganic hydraulic binder |
| JP2018087139A (en) * | 2018-02-26 | 2018-06-07 | 太平洋マテリアル株式会社 | Geopolymer composition |
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