JPH10218653A - Polymer cement-based composition for finishing, and production of cement-based formed product by using the same - Google Patents

Polymer cement-based composition for finishing, and production of cement-based formed product by using the same

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Publication number
JPH10218653A
JPH10218653A JP3337497A JP3337497A JPH10218653A JP H10218653 A JPH10218653 A JP H10218653A JP 3337497 A JP3337497 A JP 3337497A JP 3337497 A JP3337497 A JP 3337497A JP H10218653 A JPH10218653 A JP H10218653A
Authority
JP
Japan
Prior art keywords
cement
polymer
water
finishing
coating
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
Application number
JP3337497A
Other languages
Japanese (ja)
Other versions
JP3188937B2 (en
Inventor
Mitsuaki Sugiyama
光明 杉山
Takaji Oda
卓示 小田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUTSUKOO KK
Original Assignee
FUTSUKOO KK
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Filing date
Publication date
Application filed by FUTSUKOO KK filed Critical FUTSUKOO KK
Priority to JP3337497A priority Critical patent/JP3188937B2/en
Publication of JPH10218653A publication Critical patent/JPH10218653A/en
Application granted granted Critical
Publication of JP3188937B2 publication Critical patent/JP3188937B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
    • 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
    • C04B28/02—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 hydraulic cements other than calcium sulfates
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045—Polymers chosen for their physico-chemical characteristics
    • C04B2103/0053—Water-soluble polymers
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045—Polymers chosen for their physico-chemical characteristics
    • C04B2103/0057—Polymers chosen for their physico-chemical characteristics added as redispersable powders
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • C04B2111/00577—Coating or impregnation materials applied by spraying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a polymer cement-based composition for finishing not only capable of freely changing the thickness of coating but also having a high ratio of a polymer to a cement, good in drying properties while manifesting the characteristics of the polymer, hardly causing a crack when drying and extremely superior in spraying properties, and further, to provide a method for producing a cement-based formed product by using the polymer cement-based composition. SOLUTION: This polymer cement-based composition for finishing comprises a hydraulic cement, a polymer comprising 100 pts.wt. water-redispersible resin powder and 100-250 pts.wt. resin aqueous emulsion (in terms of solid) and an inorganic filler. Further, the total amount of the polymers is 40-120wt.% based on the amount of the hydraulic cement and the amount of the inorganic filler is 100-600wt.% based on the hydraulic cement. The polymer cement-based composition is formed into an aqueous slurry, coated on the interior surface of a prescribed formwork having freely releasing properties to provide a coated film, and superposing and forming a water slurry-like cement material on the coated film to provide the objective cement-based formed product.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、ポリマ−セメント
モルタルとして吹付けを中心とする厚塗り仕上げに好適
な仕上用ポリマ−セメント系組成物、及びそれを用いた
セメント系成型品の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polymer-cement composition for finishing suitable as a polymer-cement mortar for thick coating mainly by spraying, and a method for producing a cement-based molded product using the same. .

【０００２】[0002]

【従来の技術、及び発明が解決しようとする課題】ポル
トランドセメント等の水硬性セメントを用いたセメント
モルタルやセメントコンクリ−トは、一般的な土木建築
材料であるが、その結合材であるセメント水和物に起因
する欠点、例えば、遅い硬化、小さい引張強度、大きい
乾燥収縮性、あるいは低い耐薬品性等の欠点を有するも
のである。このようなセメントモルタル等の欠点を改善
する目的で、従来よりセメントに対して５〜１５重量
％、好ましくは５〜１０重量％のスチレンブタジエンゴ
ムラテックス、酢酸ビニル系エマルジョン、エチレン酢
酸ビニルエマルジョン、アクリル系エマルジョンなどの
樹脂水性エマルジョンを配合し、セメント水和物の一部
を代替せしめたポリマ−セメントモルタル等が提案され
ている。そして、かかるポリマ−セメントモルタル等
は、従来のセメントモルタル等に比してワ−カビリテ
ィ、保水性、引張および曲げ強度、伸び能力、接着性、
防水性、耐衝撃性、耐摩耗性、耐薬品性など各種の優れ
た性質を有するものであって、舗装材、床材、防水材、
接着材、化粧仕上げ材、補修材、あるいは防食材などの
土木建築材料として一般に広く多用せられている。2. Description of the Related Art Cement mortar and cement concrete using hydraulic cement such as Portland cement are general civil engineering and building materials. It has drawbacks due to the hydrate, such as slow cure, low tensile strength, high drying shrinkage, or low chemical resistance. For the purpose of improving such disadvantages of cement mortar and the like, styrene-butadiene rubber latex, vinyl acetate-based emulsion, ethylene-vinyl acetate emulsion, acrylic There has been proposed a polymer-cement mortar or the like in which a resin aqueous emulsion such as a system emulsion is blended and a part of the cement hydrate is substituted. Such polymer cement mortars and the like, compared with conventional cement mortars and the like, workability, water retention, tensile and bending strength, elongation ability, adhesion,
It has various excellent properties such as waterproofness, impact resistance, abrasion resistance, chemical resistance, and is used for paving materials, flooring materials, waterproofing materials,
It is widely and widely used as a civil engineering building material such as an adhesive, a decorative finishing material, a repair material, or an anticorrosive material.

【０００３】ところで、かかるポリマ−セメントモルタ
ル等における樹脂水性エマルジョンの使用比率は５〜１
０重量％と低く抑えられている。もともと、樹脂水性エ
マルジョンのポリマ−セメント比（Ｐ／Ｃ）を高くする
ほど性能が安定して好結果を得ることが出来るものであ
るが、反面、樹脂水性エマルジョンの使用比率が高くな
るにつれて表面乾燥性が速く、非常に上乾きしやすいの
みならず、塗膜が厚い場合には中心が未乾燥となってク
ラックを発生しやすく、しかも、粘りがあって非常に扱
いにくいものである。[0003] Incidentally, the use ratio of the aqueous resin emulsion in such a polymer-cement mortar is 5 to 1%.
It is kept as low as 0% by weight. Originally, the higher the polymer-cement ratio (P / C) of the aqueous resin emulsion, the more stable and good the results can be obtained, but on the other hand, the higher the ratio of the aqueous resin emulsion, the higher the surface drying. Not only is the property quick and very easy to dry, but when the coating is thick, the center is undried and cracks are likely to occur, and it is sticky and very difficult to handle.

【０００４】このため、Ｐ／Ｃ比が高くて性能のよいポ
リマ−セメントは、従来の左官仕事から次第に吹付け使
用され、そのさいのＰ／Ｃ比は３０〜５０％が一般的で
あるが、表面乾燥が速いため、一度に厚く塗ることが出
来ず、５００〜１５００μ程度で何回かに分けて吹付作
業を行わざるを得ないものとなっている。しかしなが
ら、如何に注意深く作業しても部分的に厚くなったり、
コ−ナ−部や凹凸部、複雑な形状、溝部等は厚くなるも
ので、これらの部位はクラックを発生しやすいものであ
る。かかる従来の問題点を解決するものとして、配合組
成上、ポリマ−成分を低下せしめたり、あるいは水の抜
けをよくし、表面乾燥を低下せしめる添加剤の使用が提
案されているが、必ずしも充分な成果を期待し得ないの
が実情である。For this reason, a polymer cement having a high P / C ratio and good performance is gradually sprayed and used from the conventional plastering work, and the P / C ratio at that time is generally 30 to 50%. Since the surface is dried quickly, it cannot be applied thickly at a time, and the spraying operation has to be performed several times at about 500 to 1500 μm. However, no matter how careful you work, it may become partially thick,
Corner portions, uneven portions, complicated shapes, grooves, and the like are thick, and these portions are liable to cracks. In order to solve the conventional problems, it has been proposed to use an additive which lowers the polymer component or improves water drainage and lowers surface drying in the composition. The fact is that you cannot expect results.

【０００５】また、近年、自然環境や周囲の景観との調
和を意識した建築物、土木構造物が増え、景観性へのニ
−ズは非常に高まっているものである。このため、例え
ば、道路や宅地造成工事等の擁壁、河川護岸、ダム、橋
脚等のコンクリ−ト壁面を従来の平滑な表面と異なり、
あたかも天然の石や岩を積み上げたような壁面に形成す
る方法が注目されている。そして、かかる方法として
は、施工現場でコンクリ−ト型枠の内面に天然岩石状の
模様を有する化粧型枠を固定し、そこへコンクリ−トを
打設して順次石積み状に形成する方法、あるいは、化粧
型枠を使用して模様をつけた工場打ちのコンクリ−ト壁
を施工現場において積み上げる方法が一般に採択されて
いる。In recent years, the number of buildings and civil engineering structures conscious of harmony with the natural environment and surrounding scenery has increased, and the need for scenic properties has been greatly increased. For this reason, for example, concrete walls such as retaining walls for road and residential land development work, river revetments, dams, piers, etc. are different from conventional smooth surfaces.
Attention has been paid to a method of forming natural stones and rocks on a wall as if they were piled up. As such a method, there is a method of fixing a decorative form having a natural rock-like pattern on the inner surface of the concrete form at the construction site, casting a concrete there, and sequentially forming the form into a masonry. Alternatively, a method has been generally adopted in which a factory-cast concrete wall with a pattern using a decorative formwork is stacked at a construction site.

【０００６】ところで、かかる従来の方法による場合に
は、前述の如きコンクリ−ト自体の性状に起因し、化粧
型枠の模様が比較的平滑である場合にはともかく、コ−
ナ−部や凹凸部、複雑な形状、あるいは溝部等において
は打設コンクリ−トの馴染みが非常に悪く、満足すべき
模様を顕現せしめずらいのみならず、強度的な面や保形
性等の面において問題を有するものとされている。By the way, in the case of such a conventional method, due to the properties of the concrete itself as described above, aside from the fact that the pattern of the decorative form is relatively smooth,
In the case of knurls, irregularities, complicated shapes, grooves, etc., the familiarity of the casting concrete is very poor, and it is not only difficult to show a satisfactory pattern, but also a strong surface and shape retention. It is said that there is a problem in terms of.

【０００７】上記の問題点を解決するものとして、化粧
型枠内面に可塑性塗料を塗布して被膜化せしめ、その上
にコンクリ−トを打設して形成する方法が開示されてい
る（特開昭６２−３３６０７号公報参照）。しかしなが
ら、かかる方法は、化粧型枠の模様が平滑である場合に
はともかく、凹凸が好まれ、より外観性のよい複雑な形
状の模様の場合においては種々の問題点を有するもので
ある。即ち、上述のごとく複雑な模様を有する場合に
は、通常５０〜３００μ程度で使用する塗料を用いるこ
とが多く、部分的にはｍｍ単位となることもあり、この
部分にクラックが発生することが多いものである。これ
は、厚さによる表面乾燥や乾燥時の収縮であり、かつ、
化粧型枠が吸水性のないプラスチックである為である。
これらは、各種の添加剤や配合剤でもある程度改善出来
るが、塗膜の性能に影響することが多いものである。ま
た、デザイン上、細かな線状の模様があるコンクリ−ト
面の場合、コンクリ−ト面に塗料塗材等を吹付け塗工す
ると、細かな模様がぼけてしまうこと、さらに吹付けに
よる外観上の肌合いが変わってしまう。さらに、塗料や
塗材（厚塗り材）は、コンクリ−ト打設後、養生も十分
に行った後に使用しなければトラブルを発生しやすく、
特に有機樹脂を主成分とする塗料では耐久性に限界があ
り、土木構造物のようにながい寿命を求められるものに
は好ましくない。この面から、樹脂モルタル系塗材が近
年使われ始めているが、塗り厚み１ｍｍ前後であり、数
ｍｍの厚みではクラック等を発生しやく、塗り重ねが必
要となるものである。As a solution to the above-mentioned problems, there is disclosed a method in which a plastic paint is applied to the inner surface of a decorative mold to form a film, and a concrete is cast on the film to form the film (Japanese Patent Application Laid-Open No. H10-163686). See JP-A-62-33607). However, such a method has various problems in the case of a pattern of a complicated shape having a better appearance, in which irregularities are preferred, aside from the case where the pattern of the decorative mold frame is smooth. That is, when having a complicated pattern as described above, a paint that is usually used at about 50 to 300 μm is often used, and sometimes it is in mm units, and cracks may occur in this part. There are many. This is the surface drying due to thickness and shrinkage during drying, and
This is because the decorative frame is a plastic having no water absorption.
Although these can be improved to some extent by various additives and compounding agents, they often affect the performance of the coating film. Also, in the case of a concrete surface with a fine linear pattern in design, spraying a paint coating material etc. on the concrete surface will cause the fine pattern to blur, and the appearance by spraying The texture on top will change. In addition, paints and coating materials (thick coating materials) are liable to cause trouble if not used after the concrete is cast and cured sufficiently.
In particular, a paint containing an organic resin as a main component has a limit in durability, and is not preferable for a paint requiring a long life such as a civil engineering structure. From this aspect, resin mortar-based coating materials have begun to be used in recent years, but the coating thickness is about 1 mm, and when the thickness is several mm, cracks and the like are less likely to occur, and coating is required again.

【０００８】本発明者は、上記従来の問題点を解決する
ために鋭意研究を行った結果、樹脂水性エマルジョンと
共に水再分散性樹脂粉末を使用することにより、塗装厚
さを自由に行うことが出来るのみならず、ポリマ−セメ
ント比が高くてポリマ−の特性を十分に発揮せしめなが
ら乾燥性が良く、乾燥時にクラック等を生じにくく、極
めて吹付け性に優れる仕上用ポリマ−セメント系組成
物、及びそれを用いたセメント系成型品の製造方法を提
供しようとするものである。The inventor of the present invention has conducted intensive studies to solve the above-mentioned conventional problems. As a result, the use of the water-redispersible resin powder together with the aqueous resin emulsion allows the coating thickness to be freely adjusted. Not only can the polymer-cement composition have a high polymer-cement ratio and good drying properties while sufficiently exhibiting the properties of the polymer, are less likely to cause cracks and the like upon drying, and are extremely excellent in sprayability, And a method for producing a cement-based molded product using the same.

【０００９】[0009]

【課題を解決するための手段】即ち、この出願の第１の
発明は、水硬性セメントと、水再分散性樹脂粉末１００
重量部および樹脂水性エマルジョン（固形分として）１
００〜２５０重量部からなるポリマ−と、無機フィラ−
とよりなり、上記ポリマ−の総和は水硬性セメントに対
して４０〜１２０重量％、無機フィラ−は水硬性セメン
トに対して１００〜６００重量％であることを特徴とす
る、仕上用ポリマ−セメント系組成物を要旨とするもの
である。That is, the first invention of this application is a hydraulic cement and a water redispersible resin powder 100.
1 part by weight and aqueous resin emulsion (as solid content)
A polymer consisting of 100 to 250 parts by weight, and an inorganic filler
Wherein the total amount of the polymer is 40 to 120% by weight with respect to the hydraulic cement, and the amount of the inorganic filler is 100 to 600% by weight with respect to the hydraulic cement. The gist is a system composition.

【００１０】また、この出願の第２の発明は、請求項１
記載の仕上用ポリマ−セメント系組成物を水スラリ−化
せしめ、これを離型自在な所要の型枠内面に塗布して皮
膜を形成したのち、この皮膜上に水スラリ−状のセメン
ト系材料を重ねて成型せしめることを特徴とする、セメ
ント系成型品の製造方法を要旨とするものである。[0010] The second invention of this application is claim 1
A water-slurry is formed from the polymer-cement composition for finishing described above, and this is applied to the inner surface of a required mold form which can be freely released to form a film, and then a water-slurry-like cement material is formed on the film. And a method for producing a cement-based molded product, characterized in that the method is repeated.

【００１１】[0011]

【発明の実施の形態】本発明の仕上用ポリマ−セメント
系組成物は、ポリマ−として水再分散性樹脂粉末と樹脂
水性エマルジョンを特定の範囲内で併用し、さらに、水
硬性セメントを使用することにより、Ｐ／Ｃ比率が非常
に高いにも拘わらず、耐久性に優れた皮膜を形成し、新
鮮なコンクリ−トに吹付けで厚塗りが可能であるのみな
らず、クラックの発生がなく、美粧、表面保護、養生に
極めて好適に使用することが出来るものである。なお、
本発明の仕上用ポリマ−セメント系組成物は、ポリマ−
セメントモルタルのみならず、ポリマ−セメントコンク
リ−トにも適用することが出来るものであるが、特にポ
リマ−セメントモルタルとして好適に使用しうるもので
ある。BEST MODE FOR CARRYING OUT THE INVENTION The polymer-cement composition for finishing of the present invention uses a water redispersible resin powder and a resin aqueous emulsion in combination within a specific range as a polymer, and further uses a hydraulic cement. As a result, a highly durable film is formed in spite of the very high P / C ratio, and it is possible not only to form a thick coat by spraying fresh concrete, but also to prevent the occurrence of cracks. It can be used very suitably for cosmetics, surface protection and curing. In addition,
The finishing polymer-cement composition of the present invention comprises a polymer
Although it can be applied not only to cement mortar but also to polymer cement concrete, it is particularly suitable for use as polymer cement mortar.

【００１２】本発明における水再分散性樹脂粉末として
は、ポリ酢酸ビニル系、酢酸ビニルエチレン共重合体、
あるいはアクリル樹脂系のエマルジョンを噴霧乾燥する
ことによって得られる、所謂水再分散性樹脂粉末を使用
する。かかる水再分散性樹脂粉末は、水を加えると容易
に再乳化して元の水性ポリマ−に戻る特徴をもつもの
で、後記する水硬性セメントに直接プレミックスとして
使用するとよい。また、この水再分散性樹脂粉末は、硬
いものを使用すると硬く強い皮膜が、また、柔らかいも
のを使用すると柔らかい皮膜が得られるが、造膜温度
（ＭＦＴ）が＋２５〜−５０℃のものを用いることによ
り、通常の使用温度範囲（＋３５〜−１０℃）下では硬
いようでも柔さをもつ皮膜を得ることが出来る。このさ
い、後記する樹脂水性エマルジョンとの総和が水硬性セ
メントに対して４０重量％以上なければ吹付け仕上材と
してその効果は小さい。The water redispersible resin powder in the present invention includes polyvinyl acetate, vinyl acetate ethylene copolymer,
Alternatively, a so-called water redispersible resin powder obtained by spray drying an acrylic resin emulsion is used. Such a water-redispersible resin powder has a characteristic of easily re-emulsifying when water is added and returning to an original aqueous polymer, and may be used directly as a premix in a hydraulic cement described later. In addition, when the water redispersible resin powder is hard, a hard and strong film is obtained, and when a soft material is used, a soft film is obtained. However, a film having a film forming temperature (MFT) of +25 to -50 ° C. By using it, a film having a softness can be obtained even if it is hard under a normal use temperature range (+35 to -10 ° C). At this time, unless the total amount of the aqueous resin emulsion described later is 40% by weight or more based on the hydraulic cement, the effect as a spray finishing material is small.

【００１３】本発明で使用する水再分散性樹脂粉末は、
住友化学工業株式会社製のスミカフレックス（登録商
標）ＲＰ−１００Ｓ、ＲＰ−１１０、三菱化学ビ−エ−
エスエフ株式会社製のアクロナ−ル（登録商標）ＤＳ−
６０２９、ＤＳ−６０３１、ヘキスト合成株式会社製の
モビニル（登録商標）ＤＭ−２００、ＤＭ−２８９、８
４３、ＳＡ、Ｅ４５等の商品名で市販されている。な
お、かかる水再分散性樹脂粉末の製造方法については、
特開昭４７−８１８８号公報、特開昭５９−１９９７０
３号公報、特開平６−２４８２０号公報、特願平４−１
８５６０６号公報，特開平７−５３７３０号公報，特公
平７−３０２２１号公報，特開平７−１３８０６２号公
報，特開平７−１８７７４１号公報，特開平７−１８０
８６号公報、米国特許第４７０４４１６号明細書，米国
特許第３７８４６４８号明細書，米国特許第５１１８７
５１号明細書等や文献に開示されている。The water-redispersible resin powder used in the present invention comprises:
Sumika Flex (registered trademark) RP-100S, RP-110 manufactured by Sumitomo Chemical Co., Ltd., Mitsubishi Kagaku BI-
Acronal (registered trademark) DS- manufactured by SF Corporation
6029, DS-6031, Movinyl (registered trademark) DM-200, DM-289, 8 manufactured by Hoechst Gosei Co., Ltd.
43, SA, E45 and the like. In addition, about the manufacturing method of such a water redispersible resin powder,
JP-A-47-8188, JP-A-59-19970
No. 3, JP-A-6-24820, Japanese Patent Application No. 4-1.
85606, JP-A-7-53730, JP-B-7-30221, JP-A-7-138062, JP-A-7-187741, and JP-A-7-180.
No. 86, US Pat. No. 4,704,416, US Pat. No. 3,784,648, US Pat. No. 5,1187.
No. 51, etc. and in the literature.

【００１４】また、樹脂水性エマルジョンとしては、た
とえばアクリル酸２−エチルヘキシル、アクリル酸ｎ・
ブチル、アクリル酸エチル、アクリル酸イソプロピル、
メタクリル酸２エチルヘキシル、アクリル酸ｎ・プロピ
ル、メタクリル酸ｎ・ブチル、酢酸ビニル、アクリル
酸、メタクリル酸ｎ・プロピル、スチレン、アクリロニ
トリル、メタクリル酸メチル、メタクリル酸、無水マレ
イン酸、イタコン酸、アクリル酸アミド、メタクリル酸
エチル、エチレン、ブタジエンなどより選ばれた不飽和
単量体の１種又は２種以上を乳化重合させて得られるホ
モ重合体又は共重合体のエマルジョン、さらにはこれら
の重合体エマルジョンの２種以上の混合物が用いられ
る。また、水性エポキシエマルジョンのような硬化性樹
脂の水性エマルジョンも使用することができる。更に、
ウレタンエマルジョン、ウレタン水溶液、シリコンエマ
ルジョンも使用することができる。Examples of the aqueous resin emulsion include 2-ethylhexyl acrylate and n · acrylic acid.
Butyl, ethyl acrylate, isopropyl acrylate,
2-ethylhexyl methacrylate, n-propyl acrylate, n-butyl methacrylate, vinyl acetate, acrylic acid, n-propyl methacrylate, styrene, acrylonitrile, methyl methacrylate, methacrylic acid, maleic anhydride, itaconic acid, acrylamide , An emulsion of a homopolymer or copolymer obtained by emulsion polymerization of one or more unsaturated monomers selected from ethyl methacrylate, ethylene, butadiene, and the like. A mixture of two or more is used. Also, an aqueous emulsion of a curable resin such as an aqueous epoxy emulsion can be used. Furthermore,
Urethane emulsions, aqueous urethane solutions, and silicone emulsions can also be used.

【００１５】これらの樹脂水性エマルジョンは、住友化
学工業株式会社製のスミカフレックス（登録商標）Ｓ−
４０１・Ｓ−４２０、三菱化学ビ−エ−エスエフ株式会
社製のアクロナ−ル（登録商標）Ｓ−４００、８０Ｄ
Ｎ、ＹＪ３０４２Ｄ、ＹＪ３０３１Ｄ等の商品名で市販
されている。なお、上記のアクロナ−ルＳ−４００、ア
クロナ−ルＹＪ３０４２Ｄはアクリル酸エステル−スチ
レン共重合体樹脂の水性エマルジョンであり、アクロナ
−ル８０ＤＮはアクリロニトリル−アクリル酸エステル
共重合体樹脂の水性エマルジョンである。柔らかい性能
が要求される場合は樹脂のＴｇは５℃以下が好ましく、
硬い風合の場合にはこの限りではないが、造膜性の点か
らＴｇ３０℃以下が好ましい。[0015] These aqueous resin emulsions are manufactured by Sumikaflex (registered trademark) S-manufactured by Sumitomo Chemical Co., Ltd.
401 / S-420, Acronal (registered trademark) S-400, 80D manufactured by Mitsubishi Chemical BSF Co., Ltd.
N, YJ3042D, and YJ3031D are commercially available. The above-mentioned Acronal S-400 and Acronal YJ3042D are aqueous emulsions of an acrylate-styrene copolymer resin, and Acronal 80DN is an aqueous emulsion of an acrylonitrile-acrylate copolymer resin. . When soft performance is required, the Tg of the resin is preferably 5 ° C. or less,
Tg of 30 ° C. or less is preferable from the viewpoint of film forming property, although not limited to the case of a hard feeling.

【００１６】水再分散性樹脂粉末と樹脂水性エマルジョ
ンの比率は、水再分散性樹脂粉末１００重量部に対して
１００〜２５０重量部であり、１００重量部より少ない
と、スラリ−の粘性の面から吹付けなど塗布作業性が悪
く、仕上り性も悪いものである。ある程度の粘りが必要
であり、フイラ−や骨材の分離を生じる（水希釈では分
離しやすい）。また、２５０重量部を超えると厚膜時の
乾燥性、表面クラック耐性が悪くなるものである。吹付
施工やハケ塗り、あるいは流し塗りでは、一般に流動性
を良くする為にＰ／Ｃ比が５０〜２００％のものが使用
されるが、本発明では、４０〜１２０％とにすること、
並びに水再分散性樹脂粉末と樹脂水性エマルジョンを一
定比率で併用することにより、従来においては表面乾燥
しやすく、クラックを生じやすく、通常１ｍｍ程度で何
回も重ね塗りして時間と手間をかけ、注意深く塗工する
必要があったが、厚みを気にせず簡単に塗布作業を行う
ことが出来るものである。Ｐ／Ｃ比が４０％より少ない
と、塗工作業性が悪いこと、また、１２０％を超える
と、厚塗時の乾燥性やクラック耐性が低下するものであ
る。本発明にかかる組成物は、素地に直接塗布しても効
果を発揮するが、シ−ラ−処理や下地調整、また、セメ
ント系塗材のため下地材への影響も十分に考慮のうえ選
定を行う必要がある。The ratio of the water redispersible resin powder to the resin aqueous emulsion is 100 to 250 parts by weight with respect to 100 parts by weight of the water redispersible resin powder. It has poor coating workability such as spraying, and has poor finish. A certain amount of stickiness is required, and separation of the filler and the aggregate occurs (separation is easy with water dilution). On the other hand, when the amount exceeds 250 parts by weight, the drying property at the time of thick film and the surface crack resistance deteriorate. In spraying, brush coating, or flow coating, generally a P / C ratio of 50 to 200% is used to improve fluidity, but in the present invention, the P / C ratio is set to 40 to 120%.
In addition, by using a water-redispersible resin powder and a resin aqueous emulsion in combination at a fixed ratio, conventionally, the surface is easily dried and easily cracked, and usually takes about 1 mm repeatedly to apply time and effort, Although it was necessary to apply the coating carefully, it can be easily applied without concern for the thickness. If the P / C ratio is less than 40%, the coating workability is poor, and if it exceeds 120%, the drying property and crack resistance during thick coating are reduced. Although the composition according to the present invention is effective even when applied directly to a substrate, it is selected in consideration of the effect on the substrate material due to the sealing treatment and the preparation of the substrate, and the cement-based coating material. Need to do.

【００１７】水硬性セメントとしては、ポルトランドセ
メント、早強セメント、高炉セメント、シリカセメン
ト、フライアッシュセメント、白色セメント、アルミナ
セメントなどの単独、または組合せて使用する。As the hydraulic cement, Portland cement, early-strength cement, blast-furnace cement, silica cement, fly ash cement, white cement, alumina cement and the like can be used alone or in combination.

【００１８】本発明における無機フィラ−としては、
砂、硅砂、硅石粉、陶砂、炭カル、酸化マグネシウム、
半水石膏、無水石膏、活性シリカ、フライアッシュ、寒
水、しらすバル−ン、発泡シリカ、ド−ソナイト、パ−
ライト、酸化鉄、焼却灰、顔料、水酸化カルシウム、マ
イカ、ガラス粉末等を使用する。また、水酸化アルミニ
ウム、水酸化マグネシウム、アルミン酸カルシウム、二
水和石膏、ほう酸亜鉛など結晶水を１００〜４００℃で
放出するものも好適に使用することが出来る。さらに、
各種石の粒子等も使用できるが、通常５ｍｍ径以下のも
のがよい。かかる無機フィラ−は、水硬性セメントに対
して１００〜６００重量％、好ましくは１８０〜４００
重量％である。かかる無機フィラ−の使用比率が１００
重量％以下の場合には、吹付け作業性の低下と樹脂の比
率が多すぎて乾燥性に悪影響を及ぼし、また、６００重
量％を越える場合には皮膜がもろくなるため塗材として
不適である。The inorganic filler in the present invention includes:
Sand, silica sand, silica stone powder, porcelain sand, charcoal, magnesium oxide,
Hemihydrate gypsum, anhydrous gypsum, activated silica, fly ash, cold water, whitebait balloon, expanded silica, dosonite, par
Use light, iron oxide, incinerated ash, pigment, calcium hydroxide, mica, glass powder, etc. Further, those which release water of crystallization at 100 to 400 ° C, such as aluminum hydroxide, magnesium hydroxide, calcium aluminate, gypsum dihydrate, and zinc borate, can also be suitably used. further,
Particles of various stones and the like can be used, but those having a diameter of usually 5 mm or less are preferable. Such an inorganic filler is used in an amount of 100 to 600% by weight, preferably 180 to 400% by weight, based on the hydraulic cement.
% By weight. The usage ratio of such an inorganic filler is 100
When the amount is less than 100% by weight, the spraying workability is reduced and the ratio of the resin is too large, which adversely affects the drying property. When the amount is more than 600% by weight, the film becomes brittle and is not suitable as a coating material. .

【００１９】本発明の組成物を調製する時には、適量の
水、増粘剤、可塑剤、消泡剤、分散剤、造膜剤などを必
要に応じて適宜使用する。また、繊維や有機系の増量
材、充填材等も必要に応じて適宜使用してもよい。さら
に、本発明の組成物は、仕上材として使用する場合に
は、石の粒子や陶砂、釉薬粉、着色フィラ−、土類、貝
の粒子や粉砕物等のものを適宜配合せしめてもよい。In preparing the composition of the present invention, an appropriate amount of water, a thickener, a plasticizer, an antifoaming agent, a dispersant, a film-forming agent and the like are appropriately used as needed. Further, a fiber, an organic extender, a filler, and the like may be appropriately used as needed. Further, when the composition of the present invention is used as a finishing material, it can be appropriately mixed with stone particles, porcelain sand, glaze powder, colored filler, earth, shell particles, crushed material, and the like. Good.

【００２０】本発明の仕上用ポリマ−セメント系組成物
を用いてセメント系成型品を製造するさいには、内面に
天然岩石状の模様を有する化粧型枠を使用する。そし
て、かかる化粧型枠は、発泡ポリスチレン、発泡ポリプ
ロピレン、ポリエステル、ウレタンゴム、シリコン等の
材質より形成されている。また、化粧型枠の内面には、
本発明の組成物を塗布して皮膜化せしめるさいにその剥
離を容易に行わしめるべく、ポリオレフィン、ポリエス
テル、シリコン系やフッ素樹脂、ホウロウ、ウレタン、
テフロン等の極性の異なる素材でもって剥離面を形成せ
しめたり、あるいは、オイル、シリコン油、グリ−ス類
等の所謂遊離剤を塗布せしめてもよい。In producing a cement molding using the polymer-cement composition for finishing of the present invention, a decorative mold having a natural rock-like pattern on the inner surface is used. The decorative mold is made of a material such as expanded polystyrene, expanded polypropylene, polyester, urethane rubber, and silicone. Also, on the inner surface of the makeup form,
Polyolefin, polyester, silicone or fluorocarbon resin, enamel, urethane,
The release surface may be formed using a material having a different polarity, such as Teflon, or a so-called liberating agent such as oil, silicone oil, or grease may be applied.

【００２１】そして、化粧型枠内面に水スラリ−化せし
めた本発明の組成物を吹付け、ハケ、流し塗り等の方法
で塗布し、乾燥させて皮膜化させる。作業としては、吹
付けがもっとも楽であるが、平滑面でなく、凹凸があっ
たり、コ−ナ−部はどうしても厚くなりがちで、この部
分が乾燥と共にクラックを生じるものである。また、平
滑面でも少し厚く付くと、表面乾燥してクラックを生じ
たりする。このため、通常１ｍｍの厚さを１回塗りの目
安としているが、本発明の組成物は、かなり厚塗りに耐
えるものである。塗工は、全面に一様にも、また部分的
にも行い、同時に複数のものを塗工したり、部分的な塗
工を複数回行う等の方法を行うが、それぞれが乾燥する
のを待つ必要がなく、塗り重ねることも出来る。これら
の塗膜は、通常、塗布側面に凹凸や粗さが出やすく、特
に石の粒子等よりも粗さがあるものである。この面に、
さらに水スラリ−化せしめたセメント系材料を重ねて塗
ることにより乾燥硬化させ、一体化したセメント系成型
品を得る。これは、表面に磨き面のような樹脂モルタル
仕上層をもつセメント系成型品で、Ｐ／Ｃ比が高い為、
耐久性に優れたものである。The water-slurried composition of the present invention is sprayed onto the inner surface of the decorative form, applied by a method such as brushing or flowing coating, and dried to form a film. As the work, spraying is the easiest, but the surface is not smooth, but has irregularities, and the corners tend to be thicker, and this part causes cracks as it dries. In addition, if the surface is slightly thick even on a smooth surface, the surface is dried and cracks occur. For this reason, a thickness of 1 mm is usually used as a measure of one coating, but the composition of the present invention can withstand a considerably thick coating. Coating is performed evenly or partially on the entire surface, and a method of applying a plurality of things at the same time or performing a plurality of partial coatings is performed. You don't have to wait, you can paint over. These coating films usually have irregularities and roughness easily formed on the side surface of the coating, and are particularly rougher than stone particles or the like. On this side,
Further, the cement-based material which has been made into a water slurry is applied and dried and cured to obtain an integrated cement-based molded product. This is a cement-based molded product with a resin mortar finish layer such as a polished surface on the surface, and has a high P / C ratio.
It has excellent durability.

【００２２】仕上面となる組成物の皮膜面は、通常、乾
燥皮膜化させてセメント系材料を塗るのが良いが、かな
りの力を加えて化粧型枠内に流し込んでコンクリ−トを
打設する場合には、必ず皮膜化させるもその膜厚があま
り大きくないために水平にしてモルタルを薄くゆっくり
流し込むとよく、また、樹脂モルタルを塗布したりする
場合には、特に皮膜化にこだわることなく乾燥する前に
次のものを塗布し重ねて乾燥させる所謂ウエットアンド
ウェット方式を採用してもよい。セメント系材料とは、
モルタル、コンクリ−ト、樹脂モルタルコンクリ−ト
で、厚みが５０ｍｍ未満の特に薄いシ−ト状の場合は強
度の面から樹脂モルタルが好適であるが、支持体の上に
流したり、あるいは構造体として使う場合はモルタルや
コンクリ−トを使用するとよい。It is usually good to dry the coating surface of the composition to be the finished surface and apply a cement-based material. However, a considerable amount of force is applied and poured into a decorative mold to cast concrete. If you do, make sure to make a film, but because the film thickness is not so large, it is good to horizontally pour mortar thinly and slowly, and when applying resin mortar, do not particularly stick to film formation A so-called wet-and-wet method may be adopted in which the following is applied before drying, and the resultant is dried by being overlapped. What is a cement-based material?
In the case of a mortar, concrete, or resin mortar concrete, particularly a thin sheet having a thickness of less than 50 mm, a resin mortar is preferred from the viewpoint of strength. When using as mortar, it is better to use mortar or concrete.

【００２３】本発明の組成物を化粧型枠に塗布せしめる
さいには、吹付けがポピュラ−な方法であるが、ハケ、
流し塗り、コテ、ロ−ラ等でもって行ってもよい。ま
た、乾燥は、室温乾燥、あるいは加熱乾燥せしめてもよ
い。さらに塗り重ねは、化粧型枠と化粧型枠との間にコ
ンクリ−トを打設するのが一般的であるが、シ−ト状の
セメント系成型品として利用されることもある。本組成
物の塗布厚は、１〜１０ｍｍ、好ましくは２〜５ｍｍで
ある。In applying the composition of the present invention to a decorative form, spraying is a popular method.
The coating may be performed with a flow coating, an iron, a roller, or the like. Drying may be performed by drying at room temperature or by heating. Further, in the repainting, a concrete is generally cast between the decorative molds, but it may be used as a sheet-like cement-based molded product. The coating thickness of the present composition is 1 to 10 mm, preferably 2 to 5 mm.

【００２４】[0024]

【実施例】以下に、本発明の実施例を示すが、本発明は
これに限定されるものではない。 実施例１〜１５、比較例１〜１２ 表１〜表２に示す配合割合に基づき、水硬性セメントに
無機フィラ−と水再分散性樹脂粉末を加えて混合せしめ
たのち、これに樹脂水性エマルジョンおよび水を加えて
ミキサ−により混練りして水スラリ−状のポリマ−セメ
ントモルタルを調製した。このさい、調製ポリマ−セメ
ントモルタルの粘度は３０００〜３００００ｃｐｓとし
た。次いで、調製ポリマ−セメントモルタルにつき、以
下の方法で耐クラック性、吹付け作業性、表面乾燥性、
及び塗膜の耐久性について各々試験を行った。その結果
を表１〜表２に併せて示す。EXAMPLES Examples of the present invention will be described below, but the present invention is not limited to these examples. Examples 1 to 15 and Comparative Examples 1 to 12 Based on the mixing ratios shown in Tables 1 and 2, an inorganic filler and a water redispersible resin powder were added to a hydraulic cement and mixed. And water were added and kneaded with a mixer to prepare a water-slurry polymer-cement mortar. At this time, the viscosity of the prepared polymer-cement mortar was 3000 to 30000 cps. Then, for the prepared polymer-cement mortar, crack resistance, spraying workability, surface drying property,
And the durability of the coating film was tested. The results are shown in Tables 1 and 2.

【００２５】耐クラック性 調製ポリマ−セメントモルタルをポリエチレンシ−ト上
に設置した５０×１００ｃｍの化粧型枠５枚に各々１ｍ
ｍ、２ｍｍ、３ｍｍ、４ｍｍ、５ｍｍの厚さに塗布し、
２０時間後にその皮膜を肉眼観察し、耐クラック性につ
いて調べた。なお、表中、 Ο：クラックなし △：若干のクラツクあり ×：クラックあり を各々示す。Crack resistance The prepared polymer-cement mortar was placed on a 50 × 100 cm decorative mold placed on a polyethylene sheet for 1 m each.
m, 2mm, 3mm, 4mm, 5mm,
Twenty hours later, the film was visually observed and examined for crack resistance. In the table, Δ: no crack Δ: slight crack ×: crack present

【００２６】吹付け作業性 調製ポリマ−セメントモルタルをスレ−ト板面にφ５ｍ
ｍ口径のリシンガンでもって５ｋｇ／ｃｍ2の圧下に吹
付け、その吹付け作業性を観察した。その結果を表１〜
表２に併せて示す。なお、表中、 Ο：均等に霧化して吹付け良好 △：霧化性が悪くて固りが時々でる等のやや不良 ×：吹付け不良 を各々示す。Spraying workability Prepared polymer cement mortar is φ5 m on the plate surface of the plate.
Spraying was performed under a pressure of 5 kg / cm 2 with a ricin gun of m diameter, and the spraying operability was observed. Table 1 shows the results.
It is also shown in Table 2. In the table, Ο: Uniform atomization and good spraying △: Slightly poor atomization due to poor atomization and occasional stiffness ×: Poor spraying.

【００２７】表面乾燥性 調製ポリマ−セメントモルタルを１５×１５ｃｍのスト
レ−ト板面に各々１ｍｍ、３ｍｍ、５ｍｍの厚さに各々
塗布せしめ、表面膜の皮膜化を指触で観察した。その結
果を表１〜表２に併せて示す。なお、表中、 Ο：皮膜化なく良好 △：部分的に皮膜化するもやや良好 ×：皮膜化して不良 を各々示す。Surface Drying Property The prepared polymer cement mortar was applied to a 15 × 15 cm straight plate surface to a thickness of 1 mm, 3 mm and 5 mm, respectively, and the formation of a film on the surface film was observed with a finger. The results are shown in Tables 1 and 2. In the table, Δ: good without film formation Δ: partial film formation but slightly good ×: film formation and poor.

【００２８】塗膜の耐久性 調製ポリマ−セメントモルタルを１５×１５ｃｍのスト
レ−ト板面に３ｍｍの厚さに塗布し、３日間自然乾燥せ
しめたのち、水中に３日間浸漬せしめ、形成皮膜の耐久
性を肉眼観察した。その結果を表１〜表２に併せて示
す。なお、表中、 Ο：変化なく良好 △：若干軟化しやや良好 ×：軟化し不良 を各々示す。Durability of Coating Film The prepared polymer cement mortar was applied to a 15 × 15 cm straight plate surface to a thickness of 3 mm, allowed to dry naturally for 3 days, and then immersed in water for 3 days to form a coating film. The durability was visually observed. The results are shown in Tables 1 and 2. In the table, Ο: good without change Δ: slightly softened slightly good ×: softened and poor, respectively.

【００２９】[0029]

【発明の効果】本発明によれば以上の次第で、ポリマ−
として水再分散性樹脂粉末と樹脂水性エマルジョンを特
定の範囲内で併用し、さらに、水硬性セメント及び無機
フィラ−を使用することにより、Ｐ／Ｃ比率が非常に高
いにも拘わらず、耐久性に優れた皮膜を形成し、新鮮な
コンクリ−トに強く、吹付けで厚塗りが可能であるのみ
ならず、クラックの発生がなく、美粧、表面保護、養生
に極めて好適な仕上用ポリマ−セメントモルタルを得る
ことが出来る。According to the present invention, the polymer
By using a water redispersible resin powder and a resin aqueous emulsion together within a specific range, and using a hydraulic cement and an inorganic filler, the durability is improved despite the extremely high P / C ratio. A polymer cement for finishing that is excellent in fresh concrete, resistant to fresh concrete, can be applied thick by spraying, has no cracks, and is very suitable for cosmetics, surface protection and curing. Mortar can be obtained.

【００３０】また、本発明は化粧型枠の模様が比較的平
滑な場合のみならず、コ−ナ−部や凹凸部、複雑な形
状、あるいは溝部等によく馴染み、常に精確な模様を顕
現せしめることが出来、しかも、強度的な面、保形性等
の面においても優れたセメント系成型品を得ることが出
来るものである。Further, the present invention is not only used when the pattern of the decorative form is relatively smooth, but also adapts well to corners, irregularities, complicated shapes, grooves, etc., and always reveals a precise pattern. Thus, it is possible to obtain a cement-based molded product excellent in strength, shape retention, and the like.

【００３１】[0031]

【表１】 [Table 1]

【００３２】[0032]

【表２】 [Table 2]

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ０４Ｂ 24:26） ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI C04B 24:26)

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】水硬性セメントと、水再分散性樹脂粉末１
００重量部および樹脂水性エマルジョン（固形分とし
て）１００〜２５０重量部からなるポリマ−と、無機フ
ィラ−とよりなり、上記ポリマ−の総和は水硬性セメン
トに対して４０〜１２０重量％、無機フィラ−は水硬性
セメントに対して１００〜６００重量％であることを特
徴とする、仕上用ポリマ−セメント系組成物。1. A hydraulic cement and a water redispersible resin powder 1.
A polymer consisting of 100 parts by weight and 100 to 250 parts by weight of a resin aqueous emulsion (as a solid content); and an inorganic filler. The total of the polymer is 40 to 120% by weight based on the hydraulic cement, and the inorganic filler is -Is a polymer-cement composition for finishing, characterized in that the amount is from 100 to 600% by weight based on the hydraulic cement. 【請求項２】請求項１記載の仕上用ポリマ−セメント系
組成物を水スラリ−化せしめ、これを離型自在な所要の
型枠内面に塗布して皮膜を形成したのち、この皮膜上に
水スラリ−状のセメント系材料を重ねて成型せしめるこ
とを特徴とする、セメント系成型品の製造方法。2. The polymer-cement composition for finishing according to claim 1 is converted into a water slurry, and the slurry is applied to an inner surface of a required mold form which is releasable to form a film. A method for producing a cement-based molded product, wherein a water-slurry-like cement-based material is laminated and molded.
JP3337497A 1997-01-31 1997-01-31 Finishing polymer-cement composition and method for producing cement-based molded article using the same Expired - Fee Related JP3188937B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007204304A (en) * 2006-02-01 2007-08-16 Chugoku Electric Power Co Inc:The Repair method of concrete and repairing material
CN104496329A (en) * 2014-12-31 2015-04-08 上海墙特节能材料有限公司 Interior inorganic dry powder heat-insulating diatom ooze and preparation method thereof
JP2018100503A (en) * 2016-12-19 2018-06-28 トーヨーマテラン株式会社 Mortar composition for paved road surface repair and method for paved road surface repair

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007204304A (en) * 2006-02-01 2007-08-16 Chugoku Electric Power Co Inc:The Repair method of concrete and repairing material
CN104496329A (en) * 2014-12-31 2015-04-08 上海墙特节能材料有限公司 Interior inorganic dry powder heat-insulating diatom ooze and preparation method thereof
JP2018100503A (en) * 2016-12-19 2018-06-28 トーヨーマテラン株式会社 Mortar composition for paved road surface repair and method for paved road surface repair

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