JPH05246745A - Cement composition - Google Patents
Cement compositionInfo
- Publication number
- JPH05246745A JPH05246745A JP4556392A JP4556392A JPH05246745A JP H05246745 A JPH05246745 A JP H05246745A JP 4556392 A JP4556392 A JP 4556392A JP 4556392 A JP4556392 A JP 4556392A JP H05246745 A JPH05246745 A JP H05246745A
- Authority
- JP
- Japan
- Prior art keywords
- cement
- weight
- parts
- cement composition
- pts
- 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.)
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Classifications
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- 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
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、セメント組成物に関す
るものであり、詳しくは合成樹脂製サッシ材の空洞に充
填して防火性能を向上させることのできるセメント組成
物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cement composition, and more particularly to a cement composition which can be filled in a cavity of a synthetic resin sash material to improve fireproof performance.
【０００２】[0002]
【従来の技術】合成樹脂製サッシ材は、断熱性、防音性
及び耐腐食性に優れており、寒冷地における建造物或い
は防音対策が要望される建造物等において特に好都合に
使用されている。その反面、防火性が低く、ＪＩＳ−Ａ
１３１１に規定されている防火性能を十分に達成するこ
とができないという問題を有する。このため、防火地域
及び準防火地域での使用が許容されている乙種防火戸乃
至窓として合成樹脂製サッシ材を使用することができな
かった。2. Description of the Related Art Synthetic resin sash materials are excellent in heat insulation, soundproofing and corrosion resistance, and are particularly conveniently used in buildings in cold regions or buildings requiring soundproofing measures. On the other hand, it has low fire resistance and JIS-A
There is a problem that the fire protection performance specified in 1311 cannot be achieved sufficiently. For this reason, it was not possible to use a synthetic resin sash material as a Class B fire door or window that is allowed to be used in fireproof areas and semi-fireproof areas.
【０００３】合成樹脂サッシ材の防火性能を向上させる
方法として、例えば、ケイ酸カルシウム板、炭酸マグネ
シウム板、ロックウール、繊維強化セメント、アルカリ
珪酸系水ガラスを空洞部に充填した合成樹脂サッシ材が
提案されている（特開昭６３−２９３６８８号公報）。As a method for improving the fireproof performance of a synthetic resin sash material, for example, a calcium silicate board, a magnesium carbonate board, rock wool, fiber reinforced cement, or a synthetic resin sash material having a cavity filled with alkali silicate water glass is used. It has been proposed (Japanese Patent Laid-Open No. 63-293688).
【０００４】しかしながら、このような合成樹脂サッシ
材も乙種防火戸乃至窓としての防火性能を十分に満足す
るものでない。However, even such a synthetic resin sash material does not sufficiently satisfy the fireproof performance as a type B fire door or window.
【０００５】[0005]
【発明が解決しようとする課題】本発明は上記事実に鑑
みてなされたものであり、その主たる技術的課題は、合
成樹脂サッシ材の空洞部分に材料の分離が生じることな
く充填可能であり、合成樹脂サッシ材の防火性を向上せ
しめることのできるセメント組成物を提供することであ
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above facts, and its main technical problem is that the hollow portion of a synthetic resin sash material can be filled without separation of the material, It is an object of the present invention to provide a cement composition capable of improving the fire resistance of a synthetic resin sash material.
【０００６】[0006]
【課題を解決するための手段】本発明者らは上記した課
題に鑑み鋭意研究の結果、セメントにカ焼ミョウバン及
び超微粉末シリカをそれぞれ特定量配合することによ
り、高流動性のために充填が容易であり、且つ、材料の
分離が生じにくく、空洞部分に充填することによって合
成樹脂サッシ材の防火性能を向上させることのできるセ
メント組成物が得られることを見出して、本発明を提供
するに至った。Means for Solving the Problems As a result of intensive studies in view of the above-mentioned problems, the present inventors have added a specific amount of calcinated alum and ultrafine silica powder to cement, thereby filling the cement for high fluidity. The present invention provides that the present invention provides a cement composition that is easy to separate, and is unlikely to cause separation of materials, and that the cement composition that can improve the fire protection performance of the synthetic resin sash material by filling the cavity portion is obtained. Came to.
【０００７】 即ち、本発明は、（ａ）セメント １００重量部 （ｂ）カ焼ミョウバン ３〜１５重量部 （ｃ）比表面積が１６０，０００〜２４０，０００ｃｍ2／ｇである超微粉末シ リカ ３〜１５重量部 及び （ｄ）セメント分散剤 １〜５重量部 よりなるセメント組成物である。That is, the present invention provides (a) 100 parts by weight of cement, (b) 3 to 15 parts by weight of calcined alum, and (c) ultrafine powder silica having a specific surface area of 160,000 to 240,000 cm 2 / g. A cement composition comprising 3 to 15 parts by weight and (d) a cement dispersant 1 to 5 parts by weight.
【０００８】本発明において、（ａ）成分のセメント
は、公知のセメントを何等制限なく、用いることができ
る。例えば、普通ポルトランドセメント、早強ポルトラ
ンドセメント、超早強ポルトランドセメント、中庸熱ポ
ルトランドセメント、フライアッシュセメント、高炉セ
メント等の各種セメントを使用することができる。特に
本発明においては、早強ポルトランドセメントが、高流
動性を阻害することなく、適度な速度で硬化するために
好適に使用できる。In the present invention, as the cement of the component (a), known cement can be used without any limitation. For example, various types of cement such as normal Portland cement, early strength Portland cement, super early strength Portland cement, moderate heat Portland cement, fly ash cement, and blast furnace cement can be used. Particularly, in the present invention, early-strength Portland cement can be preferably used because it cures at an appropriate rate without impeding high fluidity.
【０００９】（ｂ）成分のカ焼ミョウバンは、合成樹脂
サッシ材の空洞部に充填するセメント組成物の硬化速度
を促進させる作用を有する。これによって、セメント組
成物を構成する各種成分の分離を防止することができ
る。カ焼ミョウバンは、一般には、Ａｌ2Ｏ3、Ｓｉ
Ｏ2、ＳＯ3を主成分とした微粉末状の化合物である。The calcinated alum as the component (b) has an action of accelerating the hardening rate of the cement composition filled in the cavity of the synthetic resin sash material. This makes it possible to prevent the separation of the various components that make up the cement composition. Calcined alum is generally Al 2 O 3 , Si
It is a fine powdery compound containing O 2 and SO 3 as main components.
【００１０】カ焼ミョウバンの配合量は、セメント１０
０重量部に対して３〜１５重量部の範囲でなければなら
ず、特に５〜１２重量部の範囲で配合することが好まし
い。カ焼ミョウバンの配合量が３重量部未満の場合に
は、本発明のセメント組成物を軽量気泡コンクリートと
して使用したときに、気泡が消滅或いは合体することに
よってセメントが沈降する等材料の分離が激しく、硬化
体の寸法が著しく不足する。逆に１５重量部を超える場
合には、本発明のセメント組成物を水と混練したときの
流動性の低下が著しく、合成樹脂サッシ材の空洞部への
充填性が低下する。The amount of calcinated alum is 10% cement.
It should be in the range of 3 to 15 parts by weight with respect to 0 parts by weight, and particularly preferably in the range of 5 to 12 parts by weight. When the amount of calcinated alum is less than 3 parts by weight, when the cement composition of the present invention is used as lightweight cellular concrete, the material is severely separated such as the cement settling due to disappearance or coalescence of bubbles. , The size of the cured product is extremely insufficient. On the other hand, when the amount exceeds 15 parts by weight, the fluidity of the cement composition of the present invention when kneaded with water is significantly reduced, and the filling property of the synthetic resin sash material into the cavity is reduced.
【００１１】（ｃ）成分の超微粉末シリカは、１６０，
０００〜２４０，０００ｃｍ2／ｇの比表面積を有す
る。また、全体の９０％以上がＳｉＯ2であれば、その
他の成分、例えば、アルミナ、チタニア、ジルコニア等
が混合されていても支障ない。The ultrafine powder silica of the component (c) is 160,
It has a specific surface area of 000 to 240,000 cm 2 / g. Further, if 90% or more of the whole is SiO 2 , there is no problem even if other components such as alumina, titania and zirconia are mixed.
【００１２】超微粉末シリカは、セメント１００重量部
に対して３〜１５重量部で配合する必要があり、特に５
〜１０重量部の範囲で配合することが好ましい。超微粉
末シリカの配合量が、３重量部未満の場合は、材料の分
離が著しく、逆に１５重量部を超えるときは、流動性が
低下するとともに硬化後にクラックが発生しやすくな
る。The ultrafine silica powder should be added in an amount of 3 to 15 parts by weight based on 100 parts by weight of cement, especially 5 parts by weight.
It is preferable to blend in the range of 10 to 10 parts by weight. When the amount of the ultrafine silica powder is less than 3 parts by weight, the materials are significantly separated, and when it exceeds 15 parts by weight, the fluidity is lowered and cracks are easily generated after curing.
【００１３】（ｄ）成分のセメント分散剤としては、公
知のものを何等制限なく用いうる。例えば、リグニンス
ルホン酸ナトリウム、リグニンスルホン酸カリウム等の
リグニンスルホン酸塩；ナフタレンスルホン酸塩；メラ
ミンスルホン酸塩；ポリオール誘導体等の公知の減水剤
が一般的で、特にナフタレンスルホン酸塩及びメラミン
スルホン酸塩が好適に用いられる。As the cement dispersant as the component (d), known ones can be used without any limitation. For example, lignin sulfonates such as sodium lignin sulfonate and potassium lignin sulfonate; naphthalene sulfonates; melamine sulfonates; known water reducing agents such as polyol derivatives are common, and particularly naphthalene sulfonates and melamine sulfonates. Salt is preferably used.
【００１４】セメント分散剤はセメント１００重量部に
対して１〜５重量部、特に２〜４重量部の範囲で配合す
ることが好ましく、１重量部未満のときは高流動性が得
られず、逆に５重量部を超えるときは硬化速度が遅延す
ると共に強度の低下を招くために好ましくない。The cement dispersant is preferably added in an amount of 1 to 5 parts by weight, particularly 2 to 4 parts by weight, based on 100 parts by weight of cement, and when it is less than 1 part by weight, high fluidity cannot be obtained. On the contrary, when the amount exceeds 5 parts by weight, the curing rate is delayed and the strength is lowered, which is not preferable.
【００１５】本発明のセメント組成物は、水と混練して
そのまま防水セメント、セルフレベリング材、タイルま
たは石材等の貼付けモルタル等として使用可能である。
水との混合割合は、通常、本発明のセメント組成物１０
０重量部に対して、水を６０〜１２０重量部の範囲から
選ぶことが好ましい。The cement composition of the present invention can be kneaded with water and used as it is as a waterproof cement, a self-leveling material, an adhesive mortar for tiles or stones, and the like.
The mixing ratio with water is usually 10% for the cement composition of the present invention.
Water is preferably selected from the range of 60 to 120 parts by weight with respect to 0 parts by weight.
【００１６】また、本発明のセメント組成物は、気泡を
混合して軽量気泡コンクリートとして好適に使用するこ
とができる。気泡の混合は、公知の方法で行うことがで
きる。通常は、動物蛋白質系起泡剤および合成高分子多
価金属塩系起泡剤等の各種起泡剤と水溶性増粘剤との混
合物と、４〜８ｋｇｆ／ｃｍ2の加圧空気をガラスビー
ズを充填した起泡塔内で接触させ、泡密度０．０３〜
０．０８ｇ／ｃｍ3の気泡を形成し、本発明のセメント
組成物を使用して別の混合機にて調製したセメントペー
ストスラリーまたはセメントモルタルスラリーと混合す
る方法を好適に採用することができる。Further, the cement composition of the present invention can be suitably used as a lightweight cellular concrete by mixing cells. The bubbles can be mixed by a known method. Usually, a mixture of various foaming agents such as animal protein-based foaming agents and synthetic polymer polyvalent metal salt-based foaming agents and a water-soluble thickener, and pressurized air of 4 to 8 kgf / cm 2 are added to a glass. Contact them in a foaming tower filled with beads to obtain a foam density of 0.03 to
A method of forming bubbles of 0.08 g / cm 3 and mixing with the cement paste slurry or the cement mortar slurry prepared by another mixer using the cement composition of the present invention can be suitably adopted.
【００１７】気泡の混合割合は、流動性および強度の低
下を防ぎ、しかも比重の小さい硬化体を得るためには、
セメント１００重量部に対する割合で５０〜３００容量
部、特に１００〜２００容量部の範囲で配合することが
好ましい。The mixing ratio of air bubbles is to prevent the deterioration of fluidity and strength and to obtain a cured product having a small specific gravity.
It is preferable to mix it in the range of 50 to 300 parts by volume, particularly 100 to 200 parts by volume, relative to 100 parts by weight of cement.
【００１８】尚、本発明のセメント組成物には、前記し
た添加剤のほか、混和剤、軽量骨材、繊維など公知の添
加剤も必要に応じて適宜配合することができる。特に本
発明のセメント組成物においては、例えば、黒曜石系パ
ーライト、シラスバルーン等の無機軽量骨材を、セメン
ト１００重量部に対して１０〜５０重量部配合すること
により、流動性に優れた軽量気泡コンクリートを得るこ
とができる。In the cement composition of the present invention, in addition to the above-mentioned additives, known additives such as admixtures, lightweight aggregates, fibers and the like can be appropriately blended if necessary. Particularly, in the cement composition of the present invention, for example, by blending 10 to 50 parts by weight of an inorganic lightweight aggregate such as obsidian pearlite and shirasu balloon with respect to 100 parts by weight of cement, lightweight bubbles having excellent fluidity can be obtained. You can get concrete.
【００１９】[0019]
【効果】以上のように、本発明のセメント組成物は軽量
気泡コンクリートとして優れた物性を有し、特に合成樹
脂製サッシ材の空洞部分の充填用の軽量気泡コンクリー
トとして用いた場合に、気泡の脱泡や材料分離が防止さ
れ、密閉されたサッシ材内部にて必要時間内に硬化し、
合成樹脂製サッシ材の耐火性能を向上させることができ
る。[Effect] As described above, the cement composition of the present invention has excellent physical properties as a lightweight cellular concrete, and when it is used as a lightweight cellular concrete for filling the hollow portion of a synthetic resin sash material, Prevents defoaming and material separation, and cures within the required time inside a closed sash material,
The fire resistance performance of the synthetic resin sash material can be improved.
【００２０】このような本発明の効果を発揮する理由
は、特に比表面積１６０，０００〜２４０，０００ｃｍ
2／ｇの超微粉末シリカ及びカ焼ミョウバンをそれぞれ
特定量配合することにより、それらの相互の特性が上記
の効果に極めて有効に作用しているものと推察される。The reason why the effect of the present invention is exerted is particularly the specific surface area of 160,000 to 240,000 cm.
By 2 / g of ultrafine powder silica and calcined alum identifying amount each, characteristic of their mutual is it assumed that acts very effectively to the above effects.
【００２１】[0021]
【実施例】以下に実施例を示すが、本発明はこれに限定
されるものではない。EXAMPLES Examples will be shown below, but the present invention is not limited thereto.
【００２２】尚、以下の実施例及び比較例に示す物性値
は、次の方法により求めた。The physical properties shown in the following examples and comparative examples were obtained by the following methods.
【００２３】フロー値：ＪＡＳＳ１５学会基準Ｍ−１０
２「セルフレベリング材」に記載の方法に準じて測定し
た。即ち、磨きガラス（厚さ５ｍｍ）上にポリ塩化ビニ
ル製のパイプ（内径５０ｍｍ、高さ５１ｍｍ）を置き、
混練した軽量気泡コンクリートを充填した後、直ちに同
パイプを引き上げ、軽量気泡コンクリートの広がりが静
止した後、直角二方向の直径（ｍｍ）を測定し、その平
均値を求めた。Flow Value: JASS15 Academic Society Standard M-10
2 Measured according to the method described in "Self-leveling material". That is, a polyvinyl chloride pipe (inner diameter 50 mm, height 51 mm) is placed on polished glass (thickness 5 mm),
Immediately after filling the kneaded lightweight cellular concrete, the pipe was pulled up, and after the spreading of the lightweight cellular concrete stopped, the diameters (mm) in two directions at right angles were measured, and the average value was obtained.
【００２４】単位容積質量：混練した軽量気泡コンクリ
ートを金属容器に充填し、その重量を測定し、単位容積
質量を求めた。Unit volume mass: The kneaded lightweight cellular concrete was filled in a metal container and the weight was measured to determine the unit volume mass.
【００２５】寸法安定性：混練した軽量気泡コンクリー
トを鋼製型枠（内寸法４０ｍｍ，４０ｍｍ，１６０ｍ
ｍ）に充填し、温度２０℃、湿度６５％の条件下で７日
間養生した後、試験体の高さＬを測定し、次式により寸
法変化率を算出した。Dimensional stability: Kneaded lightweight cellular concrete made of steel form (inner dimensions 40 mm, 40 mm, 160 m
m), and after curing for 7 days under the conditions of a temperature of 20 ° C. and a humidity of 65%, the height L of the test body was measured, and the dimensional change rate was calculated by the following formula.
【００２６】 寸法変化率（％）＝（４０−Ｌ）／４０×１００ 充填作業性：合成樹脂性サッシ材の空洞部分に混練した
軽量気泡コンクリートを充填し、その作業性の良好なも
のを○、不良のものを×とした。また、充填後７日経過
した後にサッシ材を切断し、軽量気泡コンクリートの比
重を測定した。Dimensional change rate (%) = (40−L) / 40 × 100 Filling workability: The hollow portion of the synthetic resin sash material is filled with the kneaded lightweight cellular concrete, and the workability is good. The bad ones were marked with x. The sash material was cut after 7 days from the filling, and the specific gravity of the lightweight cellular concrete was measured.
【００２７】表１に実施例の配合を示した。Table 1 shows the formulations of the examples.
【００２８】[0028]
【表１】 [Table 1]
【００２９】注）シリカフューム・・・比表面積２０
０，０００ｍ2／ｇのシリカ 軽量骨材・・・サンキライト（三機工業（株）製） 分散剤 ・・・ＮＬ−４０００（日曹マスタービルター
ズ（株）製） 気泡 ・・・泡密度０．０４〜０．０５ｇ／ｃｍ3 次に表１に示した配合の試験結果を表２に示した。Note) Silica fume: specific surface area 20
20,000 m 2 / g silica Light weight aggregate ... Sankilite (manufactured by Sanki Industry Co., Ltd.) Dispersant ... NL-4000 (manufactured by Nisso Master Builders Co., Ltd.) Bubbles ... Bubble density 0.04 to 0.05 g / cm 3 Next, Table 2 shows the test results of the formulations shown in Table 1.
【００３０】[0030]
【表２】 [Table 2]
【００３１】さらに、硬質塩化ビニル樹脂製サッシ材の
空洞部分に、表１の配合Ｎｏ．３の軽量気泡コンクリー
トを充填し、一定の養生期間を置いた後、ＪＩＳ Ａ１
３１１に規定されている耐火加熱曲線による２０分加熱
に従って、室外側から加熱する外側加熱方式と室内側か
ら加熱する内側加熱方式との両方式で防火性能試験を行
った。その結果は表３の通りであった。Further, in the hollow portion of the sash material made of hard vinyl chloride resin, the compound No. of Table 1 was added. After filling the lightweight cellular concrete of No. 3 and leaving a certain curing period, JIS A1
According to the 20 minutes heating according to the fire resistance heating curve defined in 311, the fire prevention performance test was performed by both the outside heating method of heating from the outside and the inside heating method of heating from the inside. The results are shown in Table 3.
【００３２】[0032]
【表３】 [Table 3]
Claims (1)
１００重量部 （２）カ焼ミョウバン ３〜１５重量部 （３）比表面積が１６０，０００〜２４０，０００ｃｍ2／ｇである超微粉末シ リカ ３〜１５重量部 及び （４）セメント分散剤 １〜５重量部 よりなるセメント組成物。(1) Cement
100 parts by weight (2) calcinated alum 3 to 15 parts by weight (3) 3 to 15 parts by weight of ultrafine powder silica having a specific surface area of 160,000 to 240,000 cm 2 / g, and (4) cement dispersant 1 A cement composition consisting of 5 parts by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4556392A JP2774897B2 (en) | 1992-03-03 | 1992-03-03 | Cement composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4556392A JP2774897B2 (en) | 1992-03-03 | 1992-03-03 | Cement composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05246745A true JPH05246745A (en) | 1993-09-24 |
| JP2774897B2 JP2774897B2 (en) | 1998-07-09 |
Family
ID=12722824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4556392A Expired - Fee Related JP2774897B2 (en) | 1992-03-03 | 1992-03-03 | Cement composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2774897B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5430257B2 (en) * | 2009-07-03 | 2014-02-26 | 株式会社エクセルシャノン | Mortar filling device and fireproof repair method for prefabricated windows using the device |
-
1992
- 1992-03-03 JP JP4556392A patent/JP2774897B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2774897B2 (en) | 1998-07-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |