JP2883656B2 - Fixing material composition and method for producing decorative concrete block using the fixing material composition - Google Patents
Fixing material composition and method for producing decorative concrete block using the fixing material compositionInfo
- Publication number
- JP2883656B2 JP2883656B2 JP34179589A JP34179589A JP2883656B2 JP 2883656 B2 JP2883656 B2 JP 2883656B2 JP 34179589 A JP34179589 A JP 34179589A JP 34179589 A JP34179589 A JP 34179589A JP 2883656 B2 JP2883656 B2 JP 2883656B2
- Authority
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- Japan
- Prior art keywords
- decorative
- fixing
- fixing material
- concrete
- material composition
- 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.)
- Expired - Lifetime
Links
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- Producing Shaped Articles From Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Description
【発明の詳細な説明】 [産業上の利用分野] 本発明は化粧コンクリートブロックを製造する際に使
用する化粧材料の固定材組成物に関し、また、その固定
材組成物を使用する化粧コンクリートブロックの製造方
法に関するものである。更に詳しくは、河川の護岸、道
路の擁壁、道路の敷石等として使用し、コンクリートの
表面に自然石等の化粧材料を突出させた化粧コンクリー
トブロックを製造する際に、予め化粧材料の突出部の目
地部に充填することによって、化粧材料の配列を一時的
に固定すると共に、化粧材料の突出高を定める効果をも
つ固定用充填材料、およびこれを用いた化粧コンクリー
ト製品の製造方法に関するものである。Description: FIELD OF THE INVENTION The present invention relates to a decorative material fixing material composition used for producing a decorative concrete block, and to a decorative concrete block using the fixing material composition. It relates to a manufacturing method. More specifically, when manufacturing a decorative concrete block which is used as a seawall of a river, a retaining wall of a road, a paving stone of a road, and the like, and a decorative material such as natural stone is projected on a concrete surface, a projecting portion of the decorative material is required in advance. The present invention relates to a fixing filling material having an effect of temporarily fixing the arrangement of the decorative material by filling the joints of the decorative material and determining the protrusion height of the decorative material, and a method of manufacturing a decorative concrete product using the same. is there.
[従来の技術] 従来、化粧材料をコンクリート面より突出させた化粧
コンクリートブロックを製造する場合には、型枠の底面
に自然石等の化粧材料を適宜の間隔で敷き並べ、その目
地間に充填物を充填し、その上にコンクリートを打設
し、養生後脱枠して充填物を除去する方法が知られてお
り、そのための充填物(本発明の固定材組成物に当た
る)も提案されている。[Prior art] Conventionally, in the case of manufacturing a decorative concrete block in which a decorative material protrudes from a concrete surface, decorative materials such as natural stones are laid at appropriate intervals on a bottom surface of a formwork and filled between joints. A method is known in which a material is filled, a concrete is poured on the material, and after curing, the material is removed from the frame to remove the filler, and a filler (corresponding to the fixing material composition of the present invention) has been proposed. I have.
例えば、充填物として、ロウを用いる方法が提案され
ている(特開昭54−57520号)。ロウは加熱により容易
に溶融し、冷却により硬化するなど、取扱い易い充填物
である。しかし、化粧材料の固定材としては強度や、可
撓性がなく、取扱い時や運搬等の振動によりひび割れし
易い。また、充填に際しては溶融時の粘度が低過ぎるた
め、不必要な部分にも流れ込み易く、硬化時には収縮す
るなど、寸法精度、すなわち、化粧コンクリートブロッ
クの仕上り精度が不十分である。さらに、剥離時に崩れ
易く、剥離屑を除去する手間がかかるなどの問題があ
る。For example, a method using a wax as a filler has been proposed (JP-A-54-57520). Wax is a filler that is easy to handle, such as being easily melted by heating and hardened by cooling. However, the fixing material for the decorative material has no strength or flexibility, and is easily cracked by vibration during handling or transportation. In addition, the viscosity at the time of filling is too low at the time of melting, so that it is easy to flow into unnecessary parts and shrinks at the time of hardening, and the dimensional accuracy, that is, the finishing accuracy of the decorative concrete block is insufficient. Further, there is a problem in that it is easily collapsed at the time of peeling, and it takes time to remove the peeling debris.
寒天、パラフィンあるいは松脂を提案しているものも
ある(特開昭62−148209号)が、寒天のようなゲル化物
は化粧材料の固定材としては硬さが不十分であり、固定
性能に劣る。また、パラフィンおよび松脂では前掲のロ
ウと同じ問題がある。Some have proposed agar, paraffin, or rosin (Japanese Patent Application Laid-Open No. 62-148209), but gels such as agar have insufficient hardness as fixing materials for decorative materials and have poor fixing performance. . In addition, paraffin and rosin have the same problem as the wax described above.
さらに、天然ゴム、合成ゴム、高分子系樹脂が提案さ
れている(特開平1−259902号)。しかし、これらの高
分子物質については具体例が示されておらず、充填およ
び固定の方法も開示されていない。例えば、一般的に天
然ゴム、合成ゴムえは容易に流れず、目地への充填が困
難であり、仮に充填できても寸法精度が悪く、また硬化
方法も簡単ではない筈である。また、高分子系樹脂とは
云え該当範囲が広過ぎて、物質自体も、充填および固定
化方法も特定し得ないなど実施が困難である。Furthermore, natural rubber, synthetic rubber, and polymer resins have been proposed (JP-A-1-259902). However, no specific examples are given for these polymer substances, and no filling and fixing methods are disclosed. For example, natural rubber and synthetic rubber generally do not easily flow, making it difficult to fill joints. Even if filling is possible, the dimensional accuracy is poor and the curing method should not be easy. In addition, the range of application is too wide to be referred to as a polymer resin, and it is difficult to carry out, for example, the substance itself and the method of filling and immobilizing cannot be specified.
[発明が解決しようとする課題] 以上説明した如く、従来の充填材は何れも化粧材料の
固定材として、硬さ、固定性能、寸法精度(すなわち、
化粧コンクリートブロックの仕上り精度)、剥離性ある
いは充填および硬化方法等の取扱性に問題があったり、
あるいは実施が困難である等の問題がある。[Problems to be Solved by the Invention] As described above, any of the conventional fillers serves as a fixing material for a decorative material, and has hardness, fixing performance, and dimensional accuracy (ie,
There is a problem with the finishing accuracy of the decorative concrete block), the peelability, or the handling properties such as filling and curing methods.
Or there is a problem that implementation is difficult.
そこで、本発明者らは、溶融し易く、溶融後は充填が
容易な適度な粘性をもち、硬化後は化粧材料を固く固定
する強度と接着性をもち、その上振動にも耐え得る適度
な可撓性をもち、しかも容易に剥離し得る等、強度、精
度、作業性に優れ、しかも安価な充填材、すなわち化粧
材料の仮留め用固定材を探索すること、およびその固定
材を用いて化粧コンクリートブロックを安価にしかも精
度よく製造する方法を確立することを課題とした。Therefore, the present inventors have a moderate viscosity that is easy to melt, easy to fill after melting, has strength and adhesiveness to firmly fix the cosmetic material after curing, and has moderate strength to withstand vibration. Search for fillers that are flexible, easy to peel off, have excellent strength, precision, workability, and are inexpensive, that is, fixing materials for temporary fixing of decorative materials, and using the fixing materials. It was an object to establish a method for manufacturing decorative concrete blocks at low cost and with high accuracy.
[課題を解決するための手段] 本発明者らは前記物性を備え、しかも安価な熱溶融物
を探索した結果、アタクチックポリプロピレンおよび石
油樹脂を必須成分として特定量配合することにより、こ
れらの条件を満たす熱溶融組成物が得られることを見出
し本発明を完成した。[Means for Solving the Problems] As a result of searching for an inexpensive hot melt having the above-mentioned physical properties, the present inventors have found that by blending a specific amount of atactic polypropylene and petroleum resin as essential components, these conditions are satisfied. It has been found that a hot-melt composition satisfying the above conditions can be obtained, and the present invention has been completed.
本発明は三つの発明からなり、その一つは化粧材仮留
め用固定材組成物(以下単に「固定材」という)であ
る。すなわち、アタクチックポリプロピレン35〜85重量
%(以下「%」と略す)および石油樹脂15〜65%を必須
成分として含むことを特徴とする化粧コンクリートブロ
ック化粧材仮留め用固定材組成物である。アタクチック
ポリプロピレンは、その一部を低分子量ポリプロピレン
で置き換えることができる。また、この組成物にはアタ
クチックポリプロピレンおよび低分子量ポリプロピレン
以外の熱可塑性ポリマーを0〜10%添加してもよい。The present invention comprises three inventions, one of which is a fixing material composition for temporarily fixing a decorative material (hereinafter simply referred to as a “fixing material”). That is, it is a fixing material composition for temporary fixing of a decorative concrete block decorative material, which comprises 35 to 85% by weight of atactic polypropylene (hereinafter abbreviated as “%”) and 15 to 65% of petroleum resin as essential components. Atactic polypropylene can be partially replaced by low molecular weight polypropylene. The composition may contain 0 to 10% of a thermoplastic polymer other than atactic polypropylene and low molecular weight polypropylene.
ここで云う化粧コンクリートブロックは、自然石、ガ
ラス、セラミックス成形体などの化粧材料の一個または
複数個をコンクリート表面から突出するように埋め込ん
だもので、道路または床面用コンクリート平板ブロッ
ク、塀、建造物などの構造用コンクリートブロック、建
造物の表面化粧用コンクリート板、あるいは道路の擁
壁、河川の護岸用のコンクリート構造体として用いるも
のである。化粧材料には上記の他に、貝殻、珊瑚、木な
どの天然物、タイル、煉瓦、陶磁器などのセラミック
ス、金属類あるいは溶融温度の高い合成樹脂なども使え
る。The decorative concrete block referred to here is one in which one or more decorative materials such as natural stone, glass, and ceramic moldings are embedded so as to protrude from the concrete surface. It is used as a concrete block for structures such as objects, a concrete plate for decorative surface of a building, a retaining wall of a road, or a concrete structure for revetment of a river. In addition to the above, natural materials such as shells, corals, and trees, ceramics such as tiles, bricks, and ceramics, metals, and synthetic resins having a high melting temperature can be used as the cosmetic material.
固定材は化粧コンクリートブロックを製造するに当た
り、化粧材料がコンクリート面より突出すべき部分の側
面および周辺空間(目地)を固定材で満たすことによ
り、その化粧材料を仮に固定し、同時に化粧材料がコン
クリートより突出する高さを定め、コンクリートが化粧
材料の裏面に打設され、硬化養生後は化粧材料およびコ
ンクリート面から剥離し去る化粧材料の仮固定用材料で
あり、本発明はこの固定材にアタクチックポリプロピレ
ンと石油樹脂を必須成分として特定量含む熱溶融性組成
物を用いていることが特徴である。また、アタクチック
ポリプロピレンの一部を低分子量ポリプロピレンで置き
換え得ることも特徴である。When manufacturing the decorative concrete block, the fixing material temporarily fixes the decorative material by filling the side surface and the surrounding space (joint) of the portion where the decorative material should protrude from the concrete surface with the fixing material. It is a material for temporarily fixing the decorative material, which has a height that protrudes more and is cast on the back surface of the decorative material, and which is peeled off from the decorative material and the concrete surface after hardening and curing. It is characterized by using a hot-melt composition containing specific amounts of tic polypropylene and petroleum resin as essential components. It is also characterized in that a part of the atactic polypropylene can be replaced with a low molecular weight polypropylene.
熱溶融性組成物であることは、溶融すれば簡単に目地
に充填でき、充填後は自然に冷却硬化するため、作業性
が極めてよく、余計な工程が入らないだけ安価になる。When the composition is a hot-melt composition, it can be easily filled into joints when it is melted, and after filling, it naturally cools and hardens, so that workability is extremely good and the cost is reduced as no extra steps are required.
アタクチックポリプロピレンは主にアタクチック構造
からなるもので、具体的には、結晶性ポリプロピレン製
造の際に副生する非昌性ポリプロピレンであり、APPの
呼称でよく知られている。APPには10〜20%の結晶性ポ
リプロピレンを含有しているものも含まれる。結晶性ポ
リプロピレンの製造には、プロピレンに対して少量のエ
チレンなどを共重合することも行なわれるが、これらの
共重合体製造時の副生物も含まれる。またプロピレンと
ブテンの共重合体も含まれる。低分子量ポリプロピレン
はGPC法による平均分子量が20,000前後の低分子量のポ
リプロピレンで、例えば商品名ビスコール330−P(GPC
法による分子量15,000、三洋化成工業(株)製)が使用
できる。Atactic polypropylene is mainly composed of an atactic structure. Specifically, it is a non-proportional polypropylene produced as a by-product during the production of crystalline polypropylene, and is well known by the name of APP. APP also includes those containing 10-20% crystalline polypropylene. In the production of crystalline polypropylene, a small amount of ethylene or the like is copolymerized with propylene, but by-products at the time of producing these copolymers are also included. Also, a copolymer of propylene and butene is included. The low molecular weight polypropylene is a low molecular weight polypropylene having an average molecular weight of about 20,000 according to the GPC method, for example, Viscol 330-P (GPC
Molecular weight 15,000, manufactured by Sanyo Chemical Industry Co., Ltd.).
アタクチックポリプロピレンまたは低分子量ポリプロ
ピレンは、固定材に可撓性と適度な接着性および引裂き
強度を与えるために必要である。配合割合は35〜85%が
適当である。配合割合が35%未満であると、可撓性が不
十分で、振動等で割れたり、化粧材料が外れ易く、固定
性能に劣る。固定性能は、固定材を充填硬化した後その
場でコンクリートを打設する場合はあまり問題にはなら
ないが、充填硬化したまま保管したり、遠方まで運んで
コンクリートを打設する場合は重要な問題となる。従来
のロウ、ワックス、松脂あるいは寒天などのゲル化物で
は、可撓性が十分でないため保管や移動運搬が容易では
ない。本発明の組成物は可撓性が十分で、固定性能に優
れているため、充填硬化物の移動運搬性、ひいては化粧
コンクリートブロック製造時の作業性が極めてよく、仕
上がり精度もよい。また、配合割合が35%未満では、他
の成分の配合によっては引裂き強度も不十分となり、剥
離時に千切れ易く、一体に剥離することが困難になる。
一方、配合割合が85%を越えると、接着性や柔軟性が強
すぎ、固定性能も劣る。その結果、剥離性および仕上が
り精度が悪くなる。Atactic polypropylene or low molecular weight polypropylene is necessary to provide flexibility and moderate adhesion and tear strength to the anchoring material. An appropriate mixing ratio is 35 to 85%. If the compounding ratio is less than 35%, the flexibility is insufficient, the material is easily broken due to vibration or the like, the decorative material is easily detached, and the fixing performance is poor. The fixing performance is not a problem when casting concrete on the spot after filling and hardening the fixing material, but it is an important problem when storing and filling concrete while filling and hardening it. Becomes Conventional gelled substances such as wax, wax, rosin, and agar are not easy to store and transport because of insufficient flexibility. Since the composition of the present invention has sufficient flexibility and excellent fixation performance, it has extremely good transportability of the cured cured product, and furthermore, excellent workability in producing a decorative concrete block, and good finishing accuracy. On the other hand, if the compounding ratio is less than 35%, the tear strength becomes insufficient depending on the compounding of other components, and the film is easily torn at the time of peeling, making it difficult to peel together.
On the other hand, if the compounding ratio exceeds 85%, the adhesiveness and flexibility are too strong, and the fixing performance is poor. As a result, the releasability and the finishing accuracy deteriorate.
石油樹脂は固定材に適当な硬さと接着性および溶融粘
度を与えるために必要で、脂肪族C5系石油樹脂、C5/C9
共重合樹脂、芳香族C9系石油樹脂、これらの石油樹脂の
水素化物、あるいはロジンおよびテルペンなどの天然樹
脂の何れもが単独あるいは混合して使用できる。配合割
合は15〜65%が適当である。配合割合が15%未満では溶
融粘度および接着性が高過ぎると共に、硬さが不十分で
固定性能に劣る。また、仕上り精度が悪くなる。一方、
配合割合が65%を越えると溶融粘度が低くなり過ぎ、ま
た、割れ易く固定性能に劣る。溶融粘度が低過ぎると充
填時に化粧材料の表面(充填作業時は裏面になる)に流
れ込み、固定材を不必要に消費して不経済なだけでな
く、剥離作業に手間を要する。Petroleum resin required to provide adequate hardness and adhesion and melt viscosity to the fixed member, an aliphatic C 5 petroleum resins, C 5 / C 9
Copolymer resin, an aromatic C 9 petroleum resins, hydrides of these petroleum resins or any natural resins such as rosin and terpenes, can be use alone or in combination. The mixing ratio is suitably from 15 to 65%. If the compounding ratio is less than 15%, the melt viscosity and the adhesiveness are too high, and the hardness is insufficient and the fixing performance is poor. Further, the finishing accuracy is deteriorated. on the other hand,
If the compounding ratio exceeds 65%, the melt viscosity becomes too low, and it is liable to crack and has poor fixing performance. If the melt viscosity is too low, it flows into the surface of the decorative material at the time of filling (it becomes the back surface at the time of filling operation), and the fixing material is unnecessarily consumed, which is not only uneconomical, but also requires time for the peeling operation.
これらの必須成分に、アタクチックポリプロピレンお
よび低分子量ポリプロピレン以外の熱可塑性ポリマー
(以下単に「熱可塑性ポリマー」という)を0〜10%配
合すると更に効果が上がる。熱可塑性ポリマーは固定材
に必要な硬さ、固定性能および仕上り精度を与えるため
に特に効果がある。ただし、10%を越える配合は溶融粘
度が高くなり過ぎ不適当である。The effect is further enhanced when 0 to 10% of a thermoplastic polymer (hereinafter simply referred to as “thermoplastic polymer”) other than atactic polypropylene and low molecular weight polypropylene is added to these essential components. Thermoplastic polymers are particularly effective in providing the required hardness, fixing performance and finish accuracy of the fixing material. However, if it exceeds 10%, the melt viscosity becomes too high and is unsuitable.
熱可塑性ポリマーは、ポリエチレン、通常のポリプロ
ピレン、ポリスチレン、ポリ塩化ビニルなどのポリオレ
フィン、エチレン・酢酸ビニル共重合体(EVA)などの
エチレン・不飽和脂肪酸エステル共重合物、スチレン−
イソプレン−スチレンブロック共重合物、スチレン−ブ
タジエン−スチレンブロック共重合物またはこれらの水
素化物などが使用できる。Thermoplastic polymers include polyolefins such as polyethylene, ordinary polypropylene, polystyrene, and polyvinyl chloride; ethylene-unsaturated fatty acid ester copolymers such as ethylene-vinyl acetate copolymer (EVA);
An isoprene-styrene block copolymer, a styrene-butadiene-styrene block copolymer or a hydride thereof can be used.
上記の成分に、さらにワックス、可塑剤、オイル成
分、酸化防止剤、着色剤あるいはフィラーなどを加える
こともできる。In addition to the above components, a wax, a plasticizer, an oil component, an antioxidant, a colorant, a filler, or the like can be further added.
本発明の固定材は硬さと接着性とのバランスがとれて
いることが特徴であり、強い接着性をもつ一方、柔軟性
と引裂き強度をもつため、容易に一体として剥離するこ
とが可能である。しかし、剥離をさらに容易にするた
め、固定材の中に離型剤を配合することも可能である。
固定材に配合する離型剤としては、各種のカルボン酸
塩、硫酸エステル塩、スルホン酸塩および燐酸エステル
塩などのアニオン型界面活性剤、第4級アンモニウム塩
およびアミン塩などのカチオン型界面活性剤、ベタイン
型、イミダゾリン型およびアミノ酸型などの両性型界面
活性剤、あるいはポリエチレングリコール、多価アルコ
ールおよびアルカノールアミドなどの非イオン型界面活
性剤などが使用できる。The fixing material of the present invention is characterized by a balance between hardness and adhesiveness, and has strong adhesiveness, while having flexibility and tear strength, so that it can be easily and integrally peeled off. . However, it is also possible to mix a release agent in the fixing material in order to further facilitate peeling.
Examples of the release agent to be incorporated into the fixing material include anionic surfactants such as various carboxylates, sulfates, sulfonates and phosphates, and cationic surfactants such as quaternary ammonium salts and amine salts. Agents, amphoteric surfactants such as betaine type, imidazoline type and amino acid type, and nonionic surfactants such as polyethylene glycol, polyhydric alcohol and alkanolamide can be used.
本願発明の二つめは、底板上に配設された化粧材料間
および/または化粧材料と型枠間との目地間に、アタク
チックポリプロピレン35〜85%および石油樹脂15〜65%
を必須成分として含む固定材を溶融充填し、固化されて
なる仮留めされた化粧コンクリートブロック化粧材料で
ある。The second aspect of the present invention is that 35-85% of atactic polypropylene and 15-65% of petroleum resin are provided between the decorative materials disposed on the bottom plate and / or between the joints between the decorative materials and the formwork.
Is a temporarily fixed decorative concrete block decorative material obtained by melting and filling a fixing material containing as an essential component.
本発明の三つめは前記固定材を使用する化粧コンクリ
ートブロックの製造方法に関するものである。すなわ
ち、底板上に配設された化粧材料間および/または化粧
材料と型枠間との目地間に、アタクチックポリプロピレ
ン35〜85%、および石油樹脂15〜65%を必須成分として
含む固定材を溶融充填することにより化粧材料を仮留め
し、次いで仮留めされた化粧材の面にコンクリートを打
設し、コンクリートを養生した後に、充填した固定材を
除去することを特徴とする化粧コンクリートブロックの
製造方法である。The third aspect of the present invention relates to a method for manufacturing a decorative concrete block using the fixing material. That is, a fixing material containing 35 to 85% of atactic polypropylene and 15 to 65% of a petroleum resin as essential components between the decorative materials disposed on the bottom plate and / or between joints between the decorative material and the formwork. Temporarily fixing the decorative material by melting and filling, then placing concrete on the surface of the temporarily fixed decorative material, curing the concrete, and then removing the filled fixing material. It is a manufacturing method.
ここで用いる固定材は前述の固定材と同じである。 The fixing material used here is the same as the above-mentioned fixing material.
型枠の底板に自然石などの化粧材料を、目的に応じて
一個または複数個を、表面に出る方を下向きにして希望
する間隔をおいて敷き並べる。底板は、アルミ板、紙、
布、不織布、プラスチックフィルム、ゴムシート、木
材、合板などが使用できる。また、これらの上に前記固
定材を0.01〜10mm塗布しておいてもよい。Cosmetic materials such as natural stones are laid on the bottom plate of the formwork, one or more of which are arranged at desired intervals with one or a plurality of them depending on purpose. Bottom plate is aluminum plate, paper,
Cloth, nonwoven fabric, plastic film, rubber sheet, wood, plywood, etc. can be used. Further, the fixing material may be applied on these by 0.01 to 10 mm.
化粧材料の側面、すなわち固定材と接する部分には予
め離型剤を塗布しておくことが好ましい。本発明の固定
材は強い接着性を有するため、離型剤の塗布は固定材の
剥離をさらに容易にする。離型剤は前述の如く、固定材
に配合してもよいが、塗布する方が効果が大きい。化粧
材料に塗布する離型剤には、前述の各種界面活性剤と共
に、シリコーンオイル、植物油、鉱油、合成油、ワック
スエマルジョンなど、一般にコンクリート製品を製造す
るときに使用される型枠用離型剤が使用できる。It is preferable to apply a release agent in advance on the side surface of the decorative material, that is, on the portion in contact with the fixing material. Since the fixing material of the present invention has strong adhesiveness, application of the release agent further facilitates peeling of the fixing material. As described above, the release agent may be blended with the fixing material, but the application is more effective when applied. The mold release agents applied to cosmetic materials include mold release agents that are generally used when manufacturing concrete products, such as silicone oil, vegetable oil, mineral oil, synthetic oil, and wax emulsion, together with the various surfactants described above. Can be used.
次に、本発明による固定材を加熱溶融し、例えば、ノ
ズルから押し出しながら目地部に必要な厚みになるよう
に注入する。この際の注入厚みが完成後の化粧材の突出
高に相当する。化粧材料の表面は必ずしも平坦でないた
め、底板との間に空間の生じる場合もあるが、この部分
まで固定材を注入する必要はなく、側面部分が固定材で
満たされれば十分である。本発明の固定材このような空
間部を残しても差し支えない強度を持ち、また、通常の
作業では流れ込まないような溶融粘度を有している。Next, the fixing material according to the present invention is heated and melted, and is injected into the joint portion so as to have a required thickness, for example, while being extruded from a nozzle. The injection thickness at this time corresponds to the protrusion height of the finished cosmetic material. Since the surface of the decorative material is not always flat, a space may be formed between the decorative material and the bottom plate. However, it is not necessary to inject the fixing material to this portion, and it is sufficient if the side surface portion is filled with the fixing material. The fixing material of the present invention has such a strength that such a space can be left, and has a melt viscosity such that it does not flow in a normal operation.
固定材が冷却硬化した後、常法に従いコンクリートを
打設する。固定材の硬化後は、固定化粧材料としてその
まま保存しておき、必要時にコンクリートを打設しても
差し支えない。道路の擁壁や河川の護岸等に使用する場
合は、固定化粧材料を工事現場まで運び、打設したコン
クリート面に型枠底板を上にして埋め込んでもよく、あ
るいはコンクリートの打設予定面に設置しておき、あと
からコンクリートを流し込んでもよい。After the fixing material has cooled and hardened, concrete is poured according to a conventional method. After the fixing material is hardened, it may be stored as a fixing decorative material as it is, and concrete may be poured when necessary. When used for retaining walls of roads or revetments of rivers, fixed cosmetic materials may be carried to the construction site and embedded in the concrete surface with the formwork bottom plate facing up, or installed on the surface where concrete will be poured You may pour the concrete later.
コンクリートの養生後に型枠を外し、最後に固定材を
剥離除去する。本発明の固定材の接着力は強いが、柔軟
性および、引張り強度が十分であるため、手で引き剥す
だけで容易に一体的に剥れ、剥離作業は極めて容易であ
る。剥離後の洗浄作業や剥離屑の拾い集め作業などは一
切不要である。After curing of the concrete, the form is removed, and finally the fixing material is peeled off. Although the fixing material of the present invention has a strong adhesive force, it has sufficient flexibility and tensile strength, so that it can be easily and integrally peeled off only by hand-pulling, and the peeling operation is extremely easy. There is no need for cleaning work after stripping or picking and collecting stripping debris.
[発明の効果] 本発明による固定材は熱溶融型で適当な溶融粘度をも
つため、充填時の作業性、仕上り精度に優れ、また、適
当な強度、接着性および可撓性をもつので、仮留めされ
た化粧材料は、移動、運搬による破損がないなど、固定
性能に優れ、完成後の剥離も極めて容易である。また、
この固定材を用いる化粧コンクリートブロックの製造方
法は、仕上り精度がよく、充填作業、移動運搬、剥離作
業など総合的な作業性に優れており、施行費が安価であ
る。[Effect of the Invention] Since the fixing material according to the present invention is a hot-melt type and has an appropriate melt viscosity, it is excellent in workability at the time of filling and finishing accuracy, and has appropriate strength, adhesiveness and flexibility. The temporarily fixed decorative material is excellent in fixing performance, for example, there is no damage due to movement or transportation, and peeling after completion is extremely easy. Also,
The method for manufacturing a decorative concrete block using this fixing material has a high finishing accuracy, is excellent in overall workability such as filling work, moving and transporting, and peeling work, and is inexpensive to implement.
[実施例] 本発明を以下に示す実施例により更に詳しく説明する
が、実施例に先立ち、本発明の評価に用いた試験方法に
ついて説明する。EXAMPLES The present invention will be described in more detail with reference to the following examples. Prior to the examples, test methods used for evaluating the present invention will be described.
可撓性:幅50mm、長さ200mm、厚さ4mmの固定材シートを
形成し、常温で直径50mmの鉄製パイプに2秒以内で巻き
付け、次の基準で評価した。Flexibility: A fixing material sheet having a width of 50 mm, a length of 200 mm and a thickness of 4 mm was formed, wound around an iron pipe having a diameter of 50 mm at room temperature within 2 seconds, and evaluated according to the following criteria.
A(合格):折れなかったもの B(不合格):折れなかったが小さなクラックが認め
られたもの C(不合格):折れたもの 固定性能:500×500mmの鉄製金枠の底部に厚さ3mmのベニ
ヤ板の上に重さ400g〜2kgの板状自然石を20〜30mm間隔
で敷き並べ、固定材を160℃で溶融して4mmの厚さになる
ように目地部に充填し、2時間放置冷却した後、垂直に
立てかけて振動させ次の基準で評価した。A (Pass): Not broken B (Fail): Not broken but small cracks were recognized C (Fail): Broken Fixed performance: Thickness at the bottom of 500 × 500 mm iron metal frame Natural stones weighing 400 g to 2 kg are laid on a 3 mm plywood plate at intervals of 20 to 30 mm, and the fixing material is melted at 160 ° C and filled into joints to a thickness of 4 mm. After standing to cool, the plate was vibrated vertically and evaluated according to the following criteria.
A(合格):石の固着に問題がなく、クラックも入ら
なかったもの B(不合格):石と固定材の間、あるいは固定材自体
にクラックが認められたもの C(不合格):石の脱落が認められたもの 仕上り精度:製造した化粧コンクリートブロックの表面
状態の観察結果であり、次の基準で評価した。A (Pass): No problem in adhesion of stone and no crack B (Fail): Crack between stone and fixing material or fixing material itself C (Fail): Stone Finishing accuracy: Observation result of the surface condition of the manufactured decorative concrete block, which was evaluated according to the following criteria.
A(合格):コンクリート表面は平滑で、石の突出高
は均等で高さも計画通りであるもの B(不合格):コンクリート表面が波打っているもの C(不合格):コンクリート表面に皺があり石の配置も
ずれているもの 実施例1 GPC法による分子量が45,000のアタクチックポリプロ
ピレン(三井東圧化学(株)製)70%および軟化点が10
0℃の脂肪族系石油樹脂(商品名:エスコレッツ−131
0、トーネックス社製)30%を配合して固定材を作製し
た。この固定材の可撓性と固定性能を第1表に示した。A (pass): The concrete surface is smooth, the protrusion height of the stone is uniform and the height is as planned. B (fail): The concrete surface is wavy. C (fail): wrinkles on the concrete surface. Example 1 Atactic polypropylene having a molecular weight of 45,000 (manufactured by Mitsui Toatsu Chemicals, Inc.) with a molecular weight of 45,000 and a softening point of 10
0 ° C aliphatic petroleum resin (trade name: Escolets-131)
0, manufactured by Tonex Corporation) to prepare a fixing material. Table 1 shows the flexibility and the fixing performance of this fixing material.
実施例2 実施例1の配合物に、さらに融点が145゜Fのパラフィ
ンワックス(日本石油(株)製)を全体の10%になるよ
う配合して固定材を作製し、可撓性と固定性能を第1表
に示した。Example 2 A paraffin wax having a melting point of 145 ° F. (manufactured by Nippon Oil Co., Ltd.) was further blended with the composition of Example 1 so as to be 10% of the whole to prepare a fixing material. The performance is shown in Table 1.
実施例3 実施例2の配合物に、さらにMFRが5.0のポリエチレン
(商品名:日石レクスロンJ−40、日本石油化学(株)
製)を全体の4%になるように配合して固定材を作製
し、可撓性と固定性能を第1表に示した。Example 3 In addition to the blend of Example 2, polyethylene having an MFR of 5.0 (trade name: Nisseki Lexlon J-40, Nippon Petrochemical Co., Ltd.)
) Was prepared so as to be 4% of the whole to prepare a fixing material. The flexibility and the fixing performance are shown in Table 1.
実施例4 実施例2の配合物に、さらにGPC法による分子量が15,
000の低分子量ポリプロピレン(商品名:ビスコール330
−P、三洋化成工業(株)製)を全体の8%になるよう
に配合して固定材を作製し、可撓性と固定性能を第1表
示した。Example 4 The formulation of Example 2 was further added with a molecular weight of 15,
000 low molecular weight polypropylene (trade name: Viscol 330)
-P, manufactured by Sanyo Kasei Kogyo Co., Ltd.) to make up 8% of the whole to prepare a fixing material, and the flexibility and the fixing performance were displayed first.
実施例5 実施例2の配合物に、さらに酢酸ビニル含量:15%、M
I:3.0のエチレン−酢酸ビニル共重合物(商品名:日石
レクスロンエバV−370、日本石油化学(株)製)を全
体の8%になるように配合して固定材を作製し、可撓性
と固定性能を第1表に示した。Example 5 The formulation of Example 2 is further added with a vinyl acetate content: 15%, M
I: 3.0 ethylene-vinyl acetate copolymer (trade name: Nisseki Lexlon Eva V-370, manufactured by Nippon Petrochemical Co., Ltd.) was blended to make up 8% of the whole to prepare a fixing material, and it was flexible. The properties and fixing performance are shown in Table 1.
実施例6 アタクチックポリプロピレン(実施例1と同じ)61
%、脂肪族系石油樹脂(実施例1と同じ)19%、芳香族
系石油樹脂(軟化点95℃、日本石油化学(株)製)8
%、ポリエチレン(実施例3と同じ)4%およびエチレ
ン−エチルアクリレート共重合物(商品名:日石レクス
ロンEEA A−6170、日本石油化学(株)製)8%を配
合して固定材を作製し可撓性と固定性能を第1表に示し
た。Example 6 Atactic polypropylene (same as Example 1) 61
%, Aliphatic petroleum resin (same as in Example 1) 19%, aromatic petroleum resin (softening point 95 ° C, manufactured by Nippon Petrochemical Co., Ltd.) 8
%, 4% of polyethylene (same as in Example 3) and 8% of ethylene-ethyl acrylate copolymer (trade name: Nisseki Lexlon EEA A-6170, manufactured by Nippon Petrochemical Co., Ltd.) to prepare a fixing material. The flexibility and fixing performance are shown in Table 1.
比較例1 アタクチックポリプロピレン(実施例1と同じ)90
%、脂肪族系石油樹脂(実施例1と同じ)10%を配合し
て固定材を作製し、可撓性と固定性能を第1表に示し
た。Comparative Example 1 Atactic polypropylene (same as in Example 1) 90
% And an aliphatic petroleum resin (same as in Example 1) 10% to prepare a fixing material, and the flexibility and the fixing performance are shown in Table 1.
比較例2 アタクチックポリプロピレン(実施例1と同じ)30
%、脂肪族系石油樹脂(実施例1と同じ)70%を配合し
て固定材を作製し、可撓性と固定性能を第1表に示し
た。Comparative Example 2 Atactic polypropylene (same as Example 1) 30
% And an aliphatic petroleum resin (same as in Example 1) 70% to prepare a fixing material, and the flexibility and the fixing performance are shown in Table 1.
比較例3 融点145゜Fのパラフィンワックス(日本石油(株)
製)を単独で固定材とし、可撓性と固定性能を第1表に
示した。Comparative Example 3 Paraffin wax having a melting point of 145 ° F (Nippon Oil Co., Ltd.)
Is used alone as a fixing material, and the flexibility and the fixing performance are shown in Table 1.
実施例7 500×500mmの鉄製金枠の底部に、厚さ3mmのベニヤ板
を置き、400g〜2kgの自然石を20〜30mm間隔で敷き並
べ、160℃に溶融した実施例1の固定材を厚さ4mmになる
ように目地部に充填した。固定材が十分冷却硬化した
後、固定性能試験と同じ振動を与えた。その後、コンク
リートを厚さ70mmで打設し、養生後に型枠を外した。そ
の後、固定材を手で剥離したが簡単に一体で剥がれ、屑
などは残らなかった。このようにして得た化粧コンクリ
ートブロックの仕上り精度はAであった。Example 7 A plywood having a thickness of 3 mm was placed on the bottom of a 500 × 500 mm iron metal frame, 400 g to 2 kg of natural stones were laid at intervals of 20 to 30 mm, and the fixing material of Example 1 melted at 160 ° C. was thickened. The joints were filled to a height of 4 mm. After the fixing material was sufficiently cooled and hardened, the same vibration as in the fixing performance test was given. Thereafter, concrete was poured with a thickness of 70 mm, and after curing, the mold was removed. Thereafter, the fixing material was peeled off by hand, but it was easily peeled off in one piece, leaving no waste. The finishing accuracy of the decorative concrete block thus obtained was A.
実施例8〜12 実施例2〜6の固定材を用いて実施例7を繰り返し
た。固定材を手で剥離したが何れも簡単に一体で剥が
れ、屑などは残らなかった。このようにして得た化粧コ
ンクリートブロックの仕上り精度は何れもAであった。Examples 8 to 12 Example 7 was repeated using the fixing materials of Examples 2 to 6. The fixing material was peeled off by hand, but it was easily peeled off in one piece without leaving any debris. The finishing accuracy of the decorative concrete blocks thus obtained was A in all cases.
実施例13 型枠に離型剤としてポリエチレングリコールを予め塗
布してから実施例7を繰り返した。固定材は実施例7よ
りさらに容易に剥離でき、化粧コンクリートブロックの
仕上り精度もAであった。Example 13 Example 7 was repeated after polyethylene glycol was previously applied to a mold as a release agent. The fixing material could be more easily peeled off than in Example 7, and the finishing accuracy of the decorative concrete block was also A.
比較例4 比較例3の固定材を用いて実施例7を繰り返した。冷
却硬化後振動を与えた時点で石が外れ、固定材も砕けて
いたため、コンクリートを打設することができなかっ
た。Comparative Example 4 Example 7 was repeated using the fixing material of Comparative Example 3. When vibration was applied after cooling and hardening, the stone came off and the fixing material was also broken, so concrete could not be cast.
Claims (5)
および石油樹脂15〜65重量%を必須成分として含むこと
を特徴とする化粧コンクリートブロック化粧材仮留め用
固定材組成物。1. Atactic polypropylene 35-85% by weight
And a fixing material composition for temporarily fixing a decorative concrete block decorative material, comprising 15 to 65% by weight of a petroleum resin as an essential component.
たは化粧材料と型枠間との目地間に、アタクチックポリ
プロピレン35〜85重量%および石油樹脂15〜65重量%を
必須成分として含む固定材組成物を溶融充填し、固化し
てなる仮留めされた化粧コンクリートブロック化粧材
料。2. An essential component comprising 35 to 85% by weight of atactic polypropylene and 15 to 65% by weight of a petroleum resin between joints disposed on the bottom plate and / or between joints between the joint and the decorative material. Temporarily fixed decorative concrete block decorative material obtained by melting and filling a fixing material composition containing the same.
分に、予め離型剤を塗布しておくことを特徴とする請求
項2記載の仮留めされた化粧コンクリートブロック化粧
材料。3. The temporarily fixed decorative concrete block decorative material according to claim 2, wherein a mold release agent is applied in advance to a portion of the side of the decorative material which is in contact with the fixing material composition.
たは化粧材料と型枠間との目地間に、アタクチックポリ
プロピレン35〜85重量%および石油樹脂15〜65重量%を
必須成分として含む固定材組成物を溶融充填することに
より化粧材料を仮留めし、次いで仮留めされた該化粧材
料の面にコンクリートを打設し、該コンクリートの養生
後に、充填した前記固定材組成物を除去することを特徴
とする化粧コンクリートブロックの製造方法。4. An essential component comprising 35 to 85% by weight of atactic polypropylene and 15 to 65% by weight of petroleum resin between joints between the decorative material and / or between the decorative material and the formwork disposed on the bottom plate. The decorative material is temporarily fixed by melting and filling the fixing material composition including the concrete material, and then concrete is poured on the surface of the temporarily fixed decorative material, and after the concrete is cured, the filled fixing material composition is removed. A method for producing a decorative concrete block.
分に、予め離型剤を塗布しておくことを特徴とする請求
項4記載の化粧コンクリートブロックの製造方法。5. The method for producing a decorative concrete block according to claim 4, wherein a release agent is applied in advance to a portion of the side surface of the decorative material which is in contact with the fixing material composition.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34179589A JP2883656B2 (en) | 1989-12-31 | 1989-12-31 | Fixing material composition and method for producing decorative concrete block using the fixing material composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34179589A JP2883656B2 (en) | 1989-12-31 | 1989-12-31 | Fixing material composition and method for producing decorative concrete block using the fixing material composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03203944A JPH03203944A (en) | 1991-09-05 |
JP2883656B2 true JP2883656B2 (en) | 1999-04-19 |
Family
ID=18348819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP34179589A Expired - Lifetime JP2883656B2 (en) | 1989-12-31 | 1989-12-31 | Fixing material composition and method for producing decorative concrete block using the fixing material composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2883656B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2767563B2 (en) * | 1995-04-11 | 1998-06-18 | 太平化学製品株式会社 | Method for producing decorative member-implanted precast concrete and hot melt surface protective material for masking decorative member used in the method |
-
1989
- 1989-12-31 JP JP34179589A patent/JP2883656B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03203944A (en) | 1991-09-05 |
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