JPH0987000A - Cao-mgo-sio2-based solidified material - Google Patents
Cao-mgo-sio2-based solidified materialInfo
- Publication number
- JPH0987000A JPH0987000A JP25243195A JP25243195A JPH0987000A JP H0987000 A JPH0987000 A JP H0987000A JP 25243195 A JP25243195 A JP 25243195A JP 25243195 A JP25243195 A JP 25243195A JP H0987000 A JPH0987000 A JP H0987000A
- Authority
- JP
- Japan
- Prior art keywords
- cao
- mgo
- sio2
- sio
- substance
- 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
- 239000000463 material Substances 0.000 title claims abstract description 26
- 239000000126 substance Substances 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000011343 solid material Substances 0.000 claims 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 21
- 238000005452 bending Methods 0.000 abstract description 9
- 239000000377 silicon dioxide Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract 6
- 229910052906 cristobalite Inorganic materials 0.000 abstract 6
- 235000012239 silicon dioxide Nutrition 0.000 abstract 6
- 229910052682 stishovite Inorganic materials 0.000 abstract 6
- 229910052905 tridymite Inorganic materials 0.000 abstract 6
- 229910017970 MgO-SiO2 Inorganic materials 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 6
- 239000010802 sludge Substances 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 239000002956 ash Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910021488 crystalline silicon dioxide Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010922 glass waste Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C04B28/18—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 mixtures of the silica-lime type
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
Description
【０００１】[0001]
【発明の属する技術分野】本発明はＣａＯ−ＭｇＯ−Ｓ
ｉＯ2 系固化体に係り、特に強度が高いＣａＯ−ＭｇＯ
−ＳｉＯ2 系固化体に関する。TECHNICAL FIELD The present invention relates to CaO--MgO--S.
CaO-MgO, which has a particularly high strength, in relation to the solidified body of io 2
-It relates to a solidified body of SiO 2 .
【０００２】[0002]
【従来の技術】珪砂等のＳｉＯ2 系物質にＣａＯ，Ｃａ
（ＯＨ）2 等のＣａＯ系物質を混合してオートクレーブ
処理することにより固化体が得られる。 2. Description of the Related Art CaO and Ca are added to SiO 2 type substances such as silica sand.
A solidified product is obtained by mixing a CaO-based substance such as (OH) 2 and subjecting it to an autoclave treatment.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、このＳｉＯ
2 −ＣａＯ系固化体の曲げ強度高めることを目的とする
ものである。The present invention is based on this SiO
The purpose is to increase the bending strength of the solidified 2- CaO material.
【０００４】[0004]
【課題を解決するための手段】本発明のＣａＯ−ＭｇＯ
−ＳｉＯ2 系固化体は、ＣａＯ系物質と、ＭｇＯ系物質
と、ＳｉＯ2 系物質とを含む混合物をオートクレーブ処
理して固化させた固化体であって、固化原料中のＣａ
Ｏ，ＭｇＯ及びＳｉＯ2 の３者の重量含有量の合計を１
００％とし、この３者の合計１００％中に占めるＣａＯ
の重量割合をＣ％とし、ＭｇＯの重量割合をＭ％とした
場合、（Ｃ＋Ｍ）が３．７〜５０％であり、Ｃ／（Ｃ＋
Ｍ）比が０．３以上であることを特徴とするものであ
る。CaO-MgO of the present invention
The —SiO 2 -based solidified product is a solidified product obtained by solidifying a mixture containing a CaO-based substance, a MgO-based substance, and a SiO 2 -based substance by autoclaving, and Ca in the solidification raw material.
The total weight content of O, MgO and SiO 2 is 1
CaO accounts for 100% of the total of these three
(C + M) is 3.7 to 50%, and C / (C +
The M) ratio is 0.3 or more.
【０００５】本発明は、ＳｉＯ2 −ＣａＯ系固化体のＣ
ａＯ分の一部をＭｇＯによって置換することにより固化
体の強度とくに曲げ強度が高まることを知見し、完成し
たものである。The present invention relates to C of a SiO 2 -CaO solidified body.
It was completed by finding that the strength of the solidified body, in particular the bending strength, is increased by substituting a part of aO for MgO.
【０００６】[0006]
【発明の実施の形態】本発明において、ＳｉＯ2 系物質
としては、非晶質ＳｉＯ2 ，結晶質ＳｉＯ2の他、ケイ
砂、キラ微砂、ケイ藻土、粘土、長石、シリカヒュー
ム、ホワイトカーボン、タイル屑、ガラス屑、レンガ
屑、スラグ、セメント・コンクリート廃材、石炭灰、汚
泥、釉汚泥、汚泥焼却灰、Ｃａ分を抽出後の産業廃棄物
（例えばセメント・コンクリート廃材、スラグ、釉汚
泥、石炭灰、汚泥焼却灰、ガラス屑のＣａ分を抽出した
もの）等の１種又は２種以上を用いることができる。こ
れらのＳｉＯ2 系物質とＣａＯ及び／又はＭｇＯ系物質
とが反応することにより、得られる固化体中に（ＣａＯ
及び／又はＭｇＯ）−ＳｉＯ2 −Ｈ2 Ｏ系固形物質が効
率的に生成し、固化体の強度を高めることができる。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, as the SiO 2 -based material, in addition to amorphous SiO 2 and crystalline SiO 2 , silica sand, kira sand, diatomaceous earth, clay, feldspar, silica fume and white are used. Carbon, tile waste, glass waste, brick waste, slag, cement / concrete waste material, coal ash, sludge, glaze sludge, sludge incineration ash, industrial waste after extracting Ca (for example, cement / concrete waste material, slag, glaze sludge) , Coal ash, sludge incineration ash, and glass scrap (extracting Ca content), or the like, or two or more thereof can be used. By reacting these SiO 2 type substances with CaO and / or MgO type substances, (CaO
And / or MgO) —SiO 2 —H 2 O-based solid substance is efficiently generated, and the strength of the solidified body can be increased.
【０００７】ＣａＯ系物質、ＭｇＯ系物質としては、Ｃ
ａＯ，Ｃａ（ＯＨ）2 ，ＭｇＯ，Ｍｇ（ＯＨ）2 ，スラ
グ及びコンクリート廃材の１種又は２種以上が用いられ
る。この中でも、ＣａＯ系物質としては、ＣａＯ，Ｃａ
（ＯＨ）2 が好適であり、ＭｇＯ系物質としてはＭｇ
（ＯＨ）2 が好ましい。なお、スラグやコンクリート廃
材は、ＳｉＯ2 系物質としても作用する。The CaO-based material and the MgO-based material are C
One or more of aO, Ca (OH) 2 , MgO, Mg (OH) 2 , slag and concrete waste are used. Among them, CaO, Ca
(OH) 2 is preferable, and Mg is the MgO-based substance.
(OH) 2 is preferred. Incidentally, the slag and the concrete waste material also act as a SiO 2 -based substance.
【０００８】固化原料中のＣａＯ，ＭｇＯ，ＳｉＯ2 の
３者の含有量（重量）の合計を１００％とし、この３者
の合計１００％中におけるＣａＯ，ＭｇＯ，ＳｉＯ2 の
重量割合をＣ％，Ｍ％，Ｓ％（Ｃ＋Ｍ＋Ｓ＝１００）と
する。The total content (weight) of CaO, MgO, and SiO 2 in the solidification raw material is 100%, and the weight ratio of CaO, MgO, and SiO 2 in the total 100% of the three is C%. , M%, S% (C + M + S = 100).
【０００９】本発明では、ＣとＭとの和（Ｃ＋Ｍ）、Ｃ
と（Ｃ＋Ｍ）との比Ｃ／（Ｃ＋Ｍ）をそれぞれ次の通り
とする。In the present invention, the sum of C and M (C + M), C
And the ratio C / (C + M) of (C + M) is as follows.
【００１０】（Ｃ＋Ｍ）は３．７〜５０％とし、好まし
くは３．７〜４９％とし、次に好ましくは、３．７〜４
０％とし、その次に好ましくは３．７〜３５％とし、最
も好ましくは３．７〜１５％とする。(C + M) is 3.7 to 50%, preferably 3.7 to 49%, and more preferably 3.7 to 4%.
0%, preferably 3.7 to 35%, and most preferably 3.7 to 15%.
【００１１】Ｃ／（Ｃ＋Ｍ）は０．３以上とし、好まし
くは０．４以上とし、次に好ましくは０．７以上とし、
最も好ましくは０．８〜０．９９５とする。C / (C + M) is 0.3 or more, preferably 0.4 or more, and then preferably 0.7 or more,
Most preferably, it is 0.8 to 0.995.
【００１２】なお、ＳｉＯ2 系物質はＣａＯ系物質やＭ
ｇＯ系物質よりも安価であるため、ＳｉＯ2 系物質の量
をなるべく多くするのが好ましい。The SiO 2 type material is a CaO type material or M
Since it is cheaper than the gO-based material, it is preferable to increase the amount of the SiO 2 -based material as much as possible.
【００１３】本発明では、ＳｉＯ2 系物質、ＣａＯ系物
質及びＭｇＯ系物質以外の物質を含んでいても良い。In the present invention, a substance other than the SiO 2 type substance, the CaO type substance and the MgO type substance may be contained.
【００１４】本発明の固化体を製造するには、原料物質
を混合し、プレス成形、鋳込成形、押出成形、流し込み
成形等の成形法により所望の形状に成形した後、オート
クレーブ処理する。なお、固化原料は特に成形を行なわ
ず、そのままオートクレーブ処理しした後、成形し、さ
らにオートクレーブ処理しても良い。In order to produce the solidified product of the present invention, raw material substances are mixed and molded into a desired shape by a molding method such as press molding, cast molding, extrusion molding, cast molding and the like, followed by autoclaving. The solidified raw material may be autoclaved as it is without being molded, and then molded and further autoclaved.
【００１５】オートクレーブ処理は、１００〜２５０
℃、特に１５０〜２００℃程度の飽和蒸気圧（１６ｋｇ
ｆ／ｃｍ2 以下）下という比較的緩やかな条件で行なう
ことができ、その処理時間は通常の場合、２〜２０時
間、特に５〜１０時間程度とされる。The autoclave treatment is 100-250.
Saturated vapor pressure (16kg)
f / cm 2 or less), which is a relatively mild condition, and the treatment time is usually 2 to 20 hours, particularly 5 to 10 hours.
【００１６】得られた固化体は、必要に応じて適当な条
件で乾燥した後、各種建設・土木材料等として利用され
る。この固化体は、特にインターロッキングブロックと
して用いるのに好適である。The solidified product thus obtained is dried under appropriate conditions, if necessary, and then used as various construction and civil engineering materials. This solidified body is particularly suitable for use as an interlocking block.
【００１７】[0017]
【実施例】以下に実施例及び比較例を挙げて本発明をよ
り具体的に説明する。なお、以下の実験において、Ｓｉ
Ｏ2 系物質としては石英又は非晶質シリカを用い、Ｃａ
Ｏ系物質としては試薬特級ＣａＣＯ3 を１０００℃、５
時間仮焼したものを用い、ＭｇＯ系物質としては試薬一
級Ｍｇ（ＯＨ）2 を用いた。The present invention will be described more specifically below with reference to examples and comparative examples. In the following experiment, Si
Quartz or amorphous silica is used as the O 2 -based material, and Ca
As the O-based substance, special reagent grade CaCO 3 is used at 1000 ° C. for 5
The one that was calcined for a time was used, and the reagent first-grade Mg (OH) 2 was used as the MgO-based substance.
【００１８】また、各試料の曲げ強度の測定は、スパン
間距離３０ｍｍ，クロスヘッドスピード０．５ｍｍ／ｍ
ｉｎの３点曲げ強度測定条件で行なった。The bending strength of each sample was measured by measuring a span distance of 30 mm and a crosshead speed of 0.5 mm / m.
The in-point three-point bending strength was measured.
【００１９】表１，２に示す配合にて原料を乳鉢で乾式
混合し、３００ｋｇｆ／ｃｍ2 で加圧成形して４０ｍｍ
×１０ｍｍ×約１０ｍｍ厚さの成形体を得た。The raw materials having the formulations shown in Tables 1 and 2 are dry-mixed in a mortar and pressure-molded at 300 kgf / cm 2 to obtain 40 mm.
A compact having a thickness of × 10 mm × about 10 mm was obtained.
【００２０】各成形体をオートクレーブに入れ、２００
℃、１０時間処理して固化させた。なお、オートクレー
ブの容器（２０００ｃｃ容量）中には蒸留水を３００ｃ
ｃ入れて飽和蒸気圧にて処理した。Each molded product was put into an autoclave and the
It was treated at 10 ° C. for 10 hours to solidify. In addition, 300 c of distilled water was placed in the autoclave container (2000 cc capacity).
c was added and treated at saturated vapor pressure.
【００２１】得られた固化体を６０℃で乾燥した後、曲
げ強度の測定を行ない結果を表１，２に示した。なお、
各成形体のＳｉＯ2 ，ＣａＯ，ＭｇＯ組成比を図１に図
示した。The obtained solidified product was dried at 60 ° C., and then the bending strength was measured. The results are shown in Tables 1 and 2. In addition,
The SiO 2 , CaO, and MgO composition ratios of each compact are shown in FIG.
【００２２】[0022]
【表１】 [Table 1]
【００２３】[0023]
【表２】 [Table 2]
【００２４】表１，２及び図１より、次のことが明らか
である。即ち、（Ｃ＋Ｍ）が５０％よりも多くなると、
未反応のＣａ（ＯＨ）2 、Ｍｇ（ＯＨ）2 が増加し、強
度が低下する。また（Ｃ＋Ｍ）が３．７％よりも少なく
なっても強度が低下する。Ｃ／（Ｃ＋Ｍ）が０．３より
小さくなると強度が低下する。From Tables 1 and 2 and FIG. 1, the following is clear. That is, when (C + M) becomes more than 50%,
Unreacted Ca (OH) 2 and Mg (OH) 2 increase and the strength decreases. Further, even if (C + M) is less than 3.7%, the strength is lowered. When C / (C + M) is smaller than 0.3, the strength is lowered.
【００２５】なお、表１，２において、 No.１，６，１
１，１５，２２，２９，３６はＭｇＯ系物質を添加して
いない。 No.１〜５，６〜１０，１１〜１４，１５〜２
１，２２〜２８，２９〜３５，３６〜４１はそれぞれ
（ＣａＯ＋ＭｇＯ）／ＣａＯのモル比を等しくしたシリ
ーズである。各シリーズにおいて、ＭｇＯを添加してい
ない No.１，６，１１，１５，２２，２９，３６よりも
曲げ強度が増加しており、且つ４．９ＭＰａ以上のもの
を○と判定した。なお、４．９ＭＰａという曲げ強度
は、インターロッキングブロック協会にて「普通インタ
ーロッキングブロック」の規準値として定めた５０ｋｇ
ｆ／ｃｍ2 以上に対応した値である。 No.２７について
は、ＭｇＯ添加により No.２２よりも強度が低下してい
るが、５ＭＰａ以上であるので△と判定した。In Tables 1 and 2, No. 1, 6, 1
Nos. 1, 15, 22, 29 and 36 do not contain a MgO-based substance. No. 1-5, 6-10, 11-14, 15-2
1, 22 to 28, 29 to 35, 36 to 41 are series in which the molar ratio of (CaO + MgO) / CaO is equal. In each series, bending strength was increased as compared with Nos. 1, 6, 11, 15, 22, 22, 29, and 36 in which MgO was not added, and those having a bending strength of 4.9 MPa or more were evaluated as ◯. The bending strength of 4.9 MPa was set at 50 kg as a standard value for "ordinary interlocking block" by the Interlocking Block Association.
It is a value corresponding to f / cm 2 or more. Regarding No. 27, the strength was lower than that of No. 22 due to the addition of MgO, but since it was 5 MPa or more, it was judged as Δ.
【００２６】[0026]
【発明の効果】以上の通り、本発明のＣａＯ−ＭｇＯ−
ＳｉＯ2 系固化体は、ＳｉＯ2 −ＣａＯ系オートクレー
ブ処理固化体中のＣａＯの一部をＭｇＯに置換したもの
であり、このようにすることにより高い曲げ強度を得る
ことができる。As described above, the CaO--MgO-- of the present invention
The SiO 2 -based solidified material is obtained by substituting a part of CaO in the SiO 2 —CaO-based autoclaved solidified material with MgO, and by doing so, high bending strength can be obtained.
【図１】ＳｉＯ2 ，ＣａＯ，ＭｇＯの組成図である。FIG. 1 is a composition diagram of SiO 2 , CaO, and MgO.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 前浪 洋輝 愛知県常滑市鯉江本町５丁目１番地 株式 会社イナックス内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroteru Manami 5-1-1 Koiemotocho, Tokoname City, Aichi Prefecture Inax Co., Ltd.
Claims (5)
Ｏ2 系物質とを含む混合物をオートクレーブ処理して固
化させた固化体であって、 固化原料中のＣａＯ，ＭｇＯ及びＳｉＯ2 の３者の重量
含有量の合計を１００％とし、この３者の合計１００％
中に占めるＣａＯの重量割合をＣ％とし、ＭｇＯの重量
割合をＭ％とした場合、 （Ｃ＋Ｍ）が３．７〜５０％であり、 Ｃ／（Ｃ＋Ｍ）比が０．３以上であることを特徴とする
ＣａＯ−ＭｇＯ−ＳｉＯ2 系固化体。1. A CaO-based material, a MgO-based material, and Si
A solidified body obtained by autoclaving a mixture containing an O 2 -based substance, wherein the total weight content of CaO, MgO, and SiO 2 in the solidified raw material is 100%, and 100% in total
When the weight ratio of CaO in the inside is C% and the weight ratio of MgO is M%, (C + M) is 3.7 to 50%, and C / (C + M) ratio is 0.3 or more. CaO-MgO-SiO 2 based solid material, characterized in.
〜４９％であり、Ｃ／（Ｃ＋Ｍ）比が０．４以上である
ことを特徴とするＣａＯ−ＭｇＯ−ＳｉＯ2系固化体。2. The method according to claim 1, wherein (C + M) is 3.7.
Was ~49%, C / (C + M) ratio CaO-MgO-SiO 2 based solid material, characterized in that at least 0.4.
〜４０％であり、Ｃ／（Ｃ＋Ｍ）比が０．７以上である
ことを特徴とするＣａＯ−ＭｇＯ−ＳｉＯ2系固化体。3. The method according to claim 1, wherein (C + M) is 3.7.
Was ~40%, C / (C + M) ratio CaO-MgO-SiO 2 based solid material, characterized in that at least 0.7.
〜３５％であり、Ｃ／（Ｃ＋Ｍ）比が０．８〜０．９９
５であることを特徴とするＣａＯ−ＭｇＯ−ＳｉＯ2 系
固化体。4. The method according to claim 1, wherein (C + M) is 3.7.
~ 35%, C / (C + M) ratio is 0.8-0.99
CaO-MgO-SiO 2 based solid material, characterized in that 5 a.
〜１５％であり、Ｃ／（Ｃ＋Ｍ）比が０．３以上である
ことを特徴とするＣａＯ−ＭｇＯ−ＳｉＯ2系固化体。5. The method according to claim 1, wherein (C + M) is 3.7.
Was ~15%, C / (C + M) ratio CaO-MgO-SiO 2 based solid material, characterized in that less than 0.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25243195A JP3855283B2 (en) | 1995-09-29 | 1995-09-29 | CaO-MgO-SiO2 solidified body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25243195A JP3855283B2 (en) | 1995-09-29 | 1995-09-29 | CaO-MgO-SiO2 solidified body |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006134790A Division JP2006248896A (en) | 2006-05-15 | 2006-05-15 | Method for manufacturing cao-mgo-sio2-based solidified article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0987000A true JPH0987000A (en) | 1997-03-31 |
| JP3855283B2 JP3855283B2 (en) | 2006-12-06 |
Family
ID=17237279
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25243195A Expired - Fee Related JP3855283B2 (en) | 1995-09-29 | 1995-09-29 | CaO-MgO-SiO2 solidified body |
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| Country | Link |
|---|---|
| JP (1) | JP3855283B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001206788A (en) * | 2000-01-21 | 2001-07-31 | A & A Material Corp | Architectural board |
-
1995
- 1995-09-29 JP JP25243195A patent/JP3855283B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001206788A (en) * | 2000-01-21 | 2001-07-31 | A & A Material Corp | Architectural board |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3855283B2 (en) | 2006-12-06 |
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