JPH03146453A - Organic/inorganic composite cement composition - Google Patents
Organic/inorganic composite cement compositionInfo
- Publication number
- JPH03146453A JPH03146453A JP27976489A JP27976489A JPH03146453A JP H03146453 A JPH03146453 A JP H03146453A JP 27976489 A JP27976489 A JP 27976489A JP 27976489 A JP27976489 A JP 27976489A JP H03146453 A JPH03146453 A JP H03146453A
- Authority
- JP
- Japan
- Prior art keywords
- organic
- inorganic
- inorganic component
- cement composition
- component
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 27
- 239000004568 cement Substances 0.000 title claims abstract description 11
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000006104 solid solution Substances 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 abstract 4
- 229910000391 tricalcium phosphate Inorganic materials 0.000 abstract 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 230000006866 deterioration Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 150000001735 carboxylic acids Chemical class 0.000 description 9
- 239000011575 calcium Substances 0.000 description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- 229910007266 Si2O Inorganic materials 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 235000015173 baked goods and baking mixes Nutrition 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、無機・有機複合セメント組成物に関するもの
である。更に詳しく述べるならば、本発明は、水和硬化
により高強度の硬化体を形成することができ、かつ不純
物や水分により変質することのない、無機・有機複合セ
メント組成物に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an inorganic/organic composite cement composition. More specifically, the present invention relates to an inorganic/organic composite cement composition that can form a high-strength hardened product through hydration hardening and is not altered by impurities or moisture.
〔従来の技術・発明が解決しようとする課題〕りん酸カ
ルシウム化合物の中で、α−Cas (PO4) 2お
よびCaaO(POs)aの粉体は、有機カルボン酸と
混合し、この混合物を水と混和すると高強度の硬化体が
得られ、セメント組成物として利用可能なことが知られ
ている。[Prior art/problems to be solved by the invention] Among calcium phosphate compounds, powders of α-Cas (PO4) 2 and CaaO (POs) a are mixed with an organic carboxylic acid, and the mixture is diluted with water. It is known that a high-strength hardened product can be obtained by mixing it with a cement composition, which can be used as a cement composition.
しかし、a Ca、 (PO4) *は、^12 、
Fe、 Mg、又はNaを含む化合物が不純物として
混入すると、βCa3(P口、hに変化しやすく、この
ものは有機カルボン酸および水と混和しても硬化せず、
或は硬化しても、強度の極めて低い硬化体しか形威しな
い。However, a Ca, (PO4) * is ^12,
When a compound containing Fe, Mg, or Na is mixed in as an impurity, it easily changes to βCa3(P), which does not harden even when mixed with organic carboxylic acid and water.
Or, even if it is cured, only a cured product with extremely low strength remains.
また、Ca2O(PO*)2は、水蒸気と接触すると、
容易にCa l o (PO4) s (DH) 2に
変化し、このものは有機カルボン酸および水と混和して
も硬化せず、或は硬化しても得られる硬化体は強度の極
めて低いものである。Also, when Ca2O(PO*)2 comes into contact with water vapor,
It easily changes to Cal o (PO4) s (DH) 2, and this substance does not harden even when mixed with organic carboxylic acid and water, or even if it hardens, the hardened product obtained has extremely low strength. It is.
従って、a−Ca(PO4) 2およびCa40(PL
)aを工業的に製造することが困難であり、かつ極めて
高価なものであった。Therefore, a-Ca(PO4)2 and Ca40(PL
) It was difficult to industrially produce a, and it was extremely expensive.
そこで、有機カルボン酸と水と混和することによって硬
化するCa0−P2O.系セメント材料において、不純
物や水蒸気に対して安定であって、これによって水硬化
性を失うことがなく、しかも機械的強度の高い硬化体を
形成することのできるりん酸カルシウム系セメント材料
の開発が強く望まれていた。Therefore, Ca0-P2O. which hardens by mixing with organic carboxylic acid and water. Development of a calcium phosphate cement material that is stable against impurities and water vapor, does not lose its water hardening properties, and can form a hardened material with high mechanical strength. It was strongly desired.
〔課題を解決するための手段・作用〕
本発明の有機・無機複合セメント組成物は、Ca口およ
びP2O,と、並びにSin、およびNa2Oから選ば
れた少なくとも1員とを含む複合酸化物の高温焼成物、
又は溶融物の粉体からなる無機成分と、前記無機成分重
量に対し100%以下の、有機カルボン酸からなる有機
成分とを含むことを特徴とするものである。[Means/actions for solving the problem] The organic/inorganic composite cement composition of the present invention is a high-temperature composite oxide containing Ca, P2O, and at least one member selected from Sin and Na2O. baked goods,
Alternatively, it is characterized by containing an inorganic component consisting of a powder of a melt, and an organic component consisting of an organic carboxylic acid in an amount of 100% or less based on the weight of the inorganic component.
本発明組成物の無機成分は、α−Caa (PO4)
2゜Ca5P2SiO+a、 Ca、P、Si2O.、
、 Ca7P2Si2O16、CaNaPO4およびC
aBNa2P<0+sから選ばれた少なくとも1員を含
有し、これらは単体、混合物および固溶体の状態にある
ものであってもよい。The inorganic component of the composition of the present invention is α-Caa (PO4)
2゜Ca5P2SiO+a, Ca, P, Si2O. ,
, Ca7P2Si2O16, CaNaPO4 and C
It contains at least one member selected from aBNa2P<0+s, and these may be in the form of a single substance, a mixture, or a solid solution.
また、本発明組成物の無機成分中に、l・Fe。Furthermore, l·Fe is included in the inorganic components of the composition of the present invention.
MgおよびNaなどの化合物が、不純物として含まれて
いても、その量が、全体の5重量%以下である限り、無
機成分に含まれるα−[:aa(PO*)2がβ−C8
w (PO4) zに変化することはなく極めて安定で
ある。これは、本発明組成物の無機成分において、Si
O2および/又はNa2O、および過剰量のCaOがα
−Cas(PO4)i中に固溶してこれを安定化し、β
−Cas (PO4) 2への変化を防止しているもの
と考えられる。Even if compounds such as Mg and Na are contained as impurities, as long as their amount is 5% by weight or less of the total, α-[:aa(PO*)2 contained in the inorganic components is
w (PO4) It is extremely stable without changing to z. This is due to the presence of Si in the inorganic component of the composition of the present invention.
O2 and/or Na2O and excess CaO are α
-Cas(PO4)i is dissolved in solid solution to stabilize it, β
It is thought that this prevents the change to -Cas (PO4) 2.
本発明組成物の無機成分には、MgO,^l 20s、
およびに20から選ばれた少なくとも1員が、好ましく
は5重量%、より好ましくは0.1〜5重量%の範囲内
で含有されていてもよく、これらの化合物は、無機成分
のガラス化を促進し、Ca0−P2O.成分の水硬化性
の変化を防止するのに有効である。The inorganic components of the composition of the present invention include MgO,^l 20s,
At least one member selected from 20 and 20 may be contained, preferably in an amount of 5% by weight, more preferably in a range of 0.1 to 5% by weight. promotes Ca0-P2O. It is effective in preventing changes in the water curability of components.
本発明組成物の無at分は、CaOおよびP2O,と、
並びにSin、およびNa2Oの少なくとも1員とを含
む無機酸化物襟合体であるが、Caの含有量は40〜6
0重量%、Pの含有量が、15〜50重量%であること
が好ましく、また、SiおよびNaの合計量が1〜35
重量%であることが好ましい。The at-free components of the composition of the present invention include CaO and P2O,
It is an inorganic oxide polymer containing at least one member of Sin, and Na2O, but the Ca content is 40 to 6.
It is preferable that the content of P is 15 to 50% by weight, and the total amount of Si and Na is 1 to 35% by weight.
Preferably, it is % by weight.
本発明組成物の有機成分は、少なくとも1種の有機カル
ボン酸を含むものであって、この有機カルボン酸に格別
の限定はないが、一般にクエン酸、リンゴ酸、ポリアク
リル酸、および乳酸などの固体有機カルボン酸から選ば
れることが奸ましい。The organic component of the composition of the present invention contains at least one organic carboxylic acid, and the organic carboxylic acid is not particularly limited, but generally includes citric acid, malic acid, polyacrylic acid, and lactic acid. Preferably, it is selected from solid organic carboxylic acids.
また、有機成分は、無機成分重量に対し、100%以下
、好ましくは1〜80%、より好ましくは10〜50%
の割合で添加される。有機成分の添加量が1%未満であ
ると、水和硬化体の強度が不十分となることがある。ま
た、それが80%を越えると、耐水性が不十分になると
いう不都合を生ずることがある。本発明組成物を製造す
るには、CaO、 P2O.。In addition, the organic component is 100% or less, preferably 1 to 80%, more preferably 10 to 50% based on the weight of the inorganic component.
It is added at a rate of If the amount of the organic component added is less than 1%, the strength of the hydrated and cured product may be insufficient. Moreover, if it exceeds 80%, there may be a problem that water resistance becomes insufficient. To produce the composition of the present invention, CaO, P2O. .
5ioaおよびNa2Oの供給原料を所定比率で混合し
この混合物を、1200℃以上、一般には1300〜1
500℃の高温で焼式又は溶融し、得られた酸化物複合
体を粉砕して、無機成分粉体を調整し、この無機成分粉
体に、所定量の有機カルボン酸からなる有機成分粉体を
均一に混合すればよい。The feedstocks of 5ioa and Na2O are mixed in a predetermined ratio and the mixture is heated to above 1200°C, generally between 1300°C and 1300°C.
The oxide composite obtained by baking or melting at a high temperature of 500°C is pulverized to prepare an inorganic component powder, and an organic component powder consisting of a predetermined amount of organic carboxylic acid is added to the inorganic component powder should be mixed evenly.
本発明組成物に水を混和すると、容易に硬化して、機械
的強度の高い硬化体を形成する。When water is mixed with the composition of the present invention, it is easily cured to form a cured product with high mechanical strength.
実施例1〜8および比較例1〜2
実施例1〜8および比較例1〜2の各々において、第1
表記載の組成を有する、酸化物複合体を、各成分供給原
料の混合物を、第1表記載の温度で焼成して製造した。Examples 1 to 8 and Comparative Examples 1 to 2 In each of Examples 1 to 8 and Comparative Examples 1 to 2, the first
An oxide composite having the composition shown in the table was produced by firing a mixture of the raw materials for each component at the temperature shown in Table 1.
各酸化物複合体の生の生成相は、第1表記載の通りであ
った。The raw product phase of each oxide complex was as described in Table 1.
各無機成分に、その重量の30%のクエン酸粉末を混合
し、この組成物を水で硬化させたところ、得られた硬化
体は、第1表記載の圧縮強度を示した。When 30% of the weight of citric acid powder was mixed with each inorganic component and this composition was cured with water, the obtained cured product showed the compressive strength shown in Table 1.
以下余白
〔発明の効果〕
本発明の有機・無機複合セメント組成物は、極めて安定
であって、かつ機械的強度の高い硬化体を形成すること
ができ、土木、建築、窯業、美術工芸、耐火材料、およ
び医療材料として有用なものである。The following margins [Effects of the Invention] The organic/inorganic composite cement composition of the present invention is extremely stable and can form a hardened product with high mechanical strength, and is used in civil engineering, architecture, ceramics, arts and crafts, fireproofing, etc. It is useful as a material and a medical material.
Claims (1)
よびNa_2Oから選ばれた少なくとも1員とを含む複
合酸化物の高温焼成物又は溶融物の粉体からなる無機成
分と、 前記無機成分重量に対し100%以下の、有機カルボン
酸からなる有機成分とを含む有機・無機複合セメント組
成物。 2、前記無機成分が、α−Ca_3(PO_4)_2、
Ca_5P_2SiO_1_2、Ca_7P_2Si_
2O_1_6、CaNaPO_4およびCa_5Na_
2P_4O_1_6から選ばれた少なくとも1員を含有
している、請求項1に記載の組成物。 3、前記無機成分が、MgO、Al_2O_3、および
K_2Oから選ばれた少なくとも1員を更に含む、請求
項1に記載の組成物。[Claims] 1. An inorganic component consisting of a powder of a high-temperature calcined product or melt of a complex oxide containing CaO and P_2O_5 and at least one member selected from SiO_2 and Na_2O; and the weight of the inorganic component. An organic/inorganic composite cement composition containing 100% or less of an organic component consisting of an organic carboxylic acid. 2. The inorganic component is α-Ca_3(PO_4)_2,
Ca_5P_2SiO_1_2, Ca_7P_2Si_
2O_1_6, CaNaPO_4 and Ca_5Na_
The composition according to claim 1, containing at least one member selected from 2P_4O_1_6. 3. The composition according to claim 1, wherein the inorganic component further includes at least one member selected from MgO, Al_2O_3, and K_2O.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27976489A JPH03146453A (en) | 1989-10-30 | 1989-10-30 | Organic/inorganic composite cement composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27976489A JPH03146453A (en) | 1989-10-30 | 1989-10-30 | Organic/inorganic composite cement composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03146453A true JPH03146453A (en) | 1991-06-21 |
Family
ID=17615579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27976489A Pending JPH03146453A (en) | 1989-10-30 | 1989-10-30 | Organic/inorganic composite cement composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03146453A (en) |
-
1989
- 1989-10-30 JP JP27976489A patent/JPH03146453A/en active Pending
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