JP5235523B2 - Moisture-curing floor coating material - Google Patents
Moisture-curing floor coating material Download PDFInfo
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- JP5235523B2 JP5235523B2 JP2008158567A JP2008158567A JP5235523B2 JP 5235523 B2 JP5235523 B2 JP 5235523B2 JP 2008158567 A JP2008158567 A JP 2008158567A JP 2008158567 A JP2008158567 A JP 2008158567A JP 5235523 B2 JP5235523 B2 JP 5235523B2
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- coating material
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- methyltrichlorosilane
- floor coating
- dimethyldimethoxysilane
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Description
本発明は建築物の床面に塗装する床用塗装材に関するものであって、特に工場などの建物において、フォークリフトなどの車両が通過する通路面の塗装材として適した塗装材に関するものである。 The present invention relates to a floor coating material to be painted on a floor surface of a building, and particularly to a coating material suitable as a coating material for a passage surface through which a vehicle such as a forklift truck passes in a building such as a factory.
従来から建築物の床面の汚れを防止し、また床面を美しく保持するための床面塗装材は種々のものが提案されている。例えば特開２００４-１７６４４２号公報や特開２００４-１２３９８２号公報に示されたものが知られている。 Conventionally, various floor coating materials have been proposed to prevent the floor surface of a building from being soiled and to keep the floor surface beautiful. For example, those disclosed in Japanese Patent Application Laid-Open Nos. 2004-176442 and 2004-123982 are known.
これらのものは、建築物の内装としての床面に対し、その意匠性や化学物質に対する耐久性、汚れの付着性や除去性、さらにはその床面上を歩いたときの足の感触などを考慮して検討されるものであった。 These are the design and durability against chemical substances, the adhesion and removal of dirt, and the feel of the foot when walking on the floor as the interior of the building. It was considered in consideration.
しかしながら、工場などの建築物においては、その建物内にフォークリフトなどの車両が進入して、原材料や製品の搬入搬出を行うため、かかる車両の走行に伴って床面に汚れが付着しやすい。 However, in a building such as a factory, a vehicle such as a forklift enters the building and carries in and out raw materials and products, so that dirt easily adheres to the floor surface as the vehicle travels.
特に工場内においては車両は狭い通路に沿って急角度で曲がることを繰り返し、さらには床面上でタイヤを据え切りすることも多く、タイヤによって床面の塗装材が傷付いたり汚れたりすることが多い。 Especially in the factory, the vehicle repeatedly turns at a steep angle along a narrow passage, and the tire is often suspended on the floor surface, and the paint on the floor is damaged or dirty by the tire. There are many.
特にタイヤを据え切りしたり、急発進や急ブレーキなどでタイヤが床面に対して強く擦り付けられると、塗装材が深く傷付き、その傷の中にタイヤのカーボンがめり込んだような状態となり、極めて見苦しい汚れが生じる。かかる汚れは深く、拭いたり表面を削ったりしても除去することができない。
本発明はかかる事情に鑑みなされたものであって、工場などの床面に塗装して、前述のような深くまで食い込んだ傷がついたり、除去不能の汚れがついたりすることのない床面塗装材を提供することを目的とするものである。 The present invention has been made in view of such circumstances, and is applied to a floor surface of a factory or the like so that the floor surface does not have the above-described scratches that have penetrated deeply or become unremovable. The object is to provide a coating material.
而して本発明は、メチルトリクロロシラン１当量に対し、ジメチルジメトキシシラン３当量を縮合し、分子末端にメトキシシリル基を有する縮合物に、硬化触媒として有機アルミニウム化合物を添加してなることを特徴とするものである。
Thus, the present invention is characterized in that 3 equivalents of dimethyldimethoxysilane are condensed with 1 equivalent of methyltrichlorosilane, and an organoaluminum compound is added as a curing catalyst to a condensate having a methoxysilyl group at the molecular end. It is what.
本発明によれば、メチルトリクロロシランとジメチルジメトキシシランとの縮合物に、硬化触媒として有機アルミニウム化合物を添加しているので、空気中の水分によって常温で硬化し、極めて硬い皮膜を形成する。 According to the present invention, since an organoaluminum compound is added as a curing catalyst to the condensate of methyltrichlorosilane and dimethyldimethoxysilane, it cures at room temperature with moisture in the air and forms an extremely hard film.
そしてそこで生じる皮膜はシリコーン系の皮膜であって、緻密な構造を有しているために硬度が高いので、その皮膜の上で車両のタイヤを据え切りした場合においても、過度の摩擦抵抗が生じることなく、容易に据え切りして皮膜に傷がつくことが少ない。 The resulting film is a silicone-based film, which has a high structure and has high hardness. Therefore, even when a vehicle tire is fixed on the film, excessive frictional resistance is generated. Without any damage to the film.
また多少傷がついた場合においても、皮膜の高度が高いために、タイヤの摩擦によって傷が広がったり深くまでタイヤが侵入することがなく、除去不能の汚れが深くまで侵入することがない。 Also, even if there are some scratches, the high altitude of the coating prevents the tires from spreading or deepening due to the friction of the tires, so that unremovable dirt does not penetrate deeply.
本願発明におけるメチルトリクロロシランとジメチルジメトキシシランとの縮合物は、メチルトリクロロシランとジメチルジメトキシシランとからの脱塩化水素反応により縮合した、 Ｓｉ−Ｏ−Ｓｉ 結合を有する比較的低分子量のオリゴマーである。 The condensate of methyltrichlorosilane and dimethyldimethoxysilane in the present invention is a relatively low molecular weight oligomer having a Si—O—Si bond condensed by dehydrochlorination from methyltrichlorosilane and dimethyldimethoxysilane. .
本願発明においては、メチルトリクロロシラン１当量に対してジメチルジメトキシシラン２当量以上が縮合したものとすることにより、メチルトリクロロシラン中の塩素は完全に離脱しており、且つ一分子中にメチル基とメトキシ基が直接ケイ素に結合した形で含有されていると考えられる。 In the present invention, when 1 equivalent of methyltrichlorosilane is condensed with 2 equivalents or more of dimethyldimethoxysilane, chlorine in methyltrichlorosilane is completely detached, and a methyl group and It is thought that the methoxy group is contained in a form bonded directly to silicon.
さらに好ましくは、メチルトリクロロシラン１当量に対してジメチルジメトキシシラン３当量が縮合したものとするのが好ましい。これにより塩素はより完全に消失し、末端により多くのメトキシ基を有するものとすることができる。 More preferably, 3 equivalents of dimethyldimethoxysilane are condensed with 1 equivalent of methyltrichlorosilane. Thereby, chlorine disappears more completely, and it can have more methoxy groups at the terminal.
そしてこのオリゴマーは低分子量であるためにそれ自体が液状である。従って希釈剤を添加することなく薄い膜厚で塗装することが可能であり、塗装に当たっての溶剤による種々の問題が生じることはない。 Since this oligomer has a low molecular weight, it is liquid in itself. Therefore, it is possible to paint with a thin film thickness without adding a diluent, and various problems due to the solvent in painting do not occur.
そしてオリゴマーの分子中にメトキシシリル基（≡Ｓｉ−Ｏ−ＣＨ３）を有するため、下記化１に示すような反応により、空気中の水分により脱メチルアルコール反応を生じて、 ≡Ｓｉ−Ｏ−Ｓｉ≡ 結合を生じて硬化する。 Since the oligomer molecule has a methoxysilyl group (≡Si—O—CH 3 ), demethyl alcohol reaction is caused by moisture in the air by the reaction shown in the following chemical formula 1, and ≡Si—O— Si≡ bond is formed and cured.
この硬化を促進する触媒としては、チタン系、アルミニウム系などの有機金属系のものや、酸系、アミン系などの化合物が使用されるが、本発明においては硬化触媒として有機アルミニウム化合物を使用することにより、塗膜の硬度が高く、耐摩耗性に優れて傷付きにくいものとなる。 As the catalyst for promoting the curing, organometallic compounds such as titanium and aluminum, and acid and amine compounds are used. In the present invention, an organoaluminum compound is used as the curing catalyst. As a result, the hardness of the coating film is high, the wear resistance is excellent, and it is difficult to be damaged.
メチルトリクロロシラン１当量とジメチルジメトキシシラン３当量とからなる縮合物９０wt％と、硬化触媒としての有機アルミニウム化合物（ＤＸ−９７４０）１０wt％とよりなる塗料を調製した。フレキ板にアクリルウレタン塗料を塗布し、当該塗料の表面に前記塗料を塗布した。 A paint comprising 90% by weight of a condensate consisting of 1 equivalent of methyltrichlorosilane and 3 equivalents of dimethyldimethoxysilane and 10% by weight of an organoaluminum compound (DX-9740) as a curing catalyst was prepared. An acrylic urethane paint was applied to the flexible board, and the paint was applied to the surface of the paint.
比較例として、市販の床用湿式硬化性ウレタン塗料（商品名フロアトップマークレス（比較例１）及び、商品名ボウジンテックスマークトップ（比較例２））を使用し、フレキ板に直接塗布して、前記実施例のものと比較した。 As a comparative example, use a commercially available wet curable urethane paint for floors (trade name Floor Top Markless (Comparative Example 1) and trade name Boudintex Mark Top (Comparative Example 2)) and apply directly to the flexible board. Then, it was compared with that of the above example.
［試験項目］
膜厚：ＪＩＳ Ｋ５６００−１−７磁気法に準拠した。
表面硬度：ＪＩＳ Ｋ ５６００−５−４鉛筆法に準拠した。
密着強度：ＪＩＳ Ｋ ５６００−５−６クロスカット法に準拠した。
耐水性：ＪＩＳ Ｋ ５６００−１−６に準拠し，水道水に室温で７日間。
耐摩耗性：ＪＩＳ Ｋ ５６００−５−９磨耗輪法に準拠した。
耐薬品性：ＪＩＳ Ｋ ５６００−６−１に準拠した。
[Test items]
Film thickness: compliant with JIS K5600-1-7 magnetic method.
Surface hardness: Conforms to JIS K 5600-5-4 pencil method.
Adhesion strength: compliant with JIS K 5600-5-6 cross-cut method.
Water resistance: According to JIS K 5600-1-6, in tap water at room temperature for 7 days.
Abrasion resistance: compliant with JIS K 5600-5-9 wear wheel method.
Chemical resistance: Conforms to JIS K 5600-6-1.
［試験結果］
試験の結果を表１に示す。
なお表中「カタ」は、試験片の表面に薬品を滴下し、所定時間経過後に拭き取ったとき、跡に薬品を滴下した痕跡が目視的に認められるが、その他目立った変質、変色、変形などが認められない状態を言う。
[Test results]
The test results are shown in Table 1.
In addition, “kata” in the table indicates that when a chemical is dropped on the surface of the test piece and wiped after a predetermined time has passed, traces of the chemical dropped on the trace are visually recognized, but other noticeable alteration, discoloration, deformation, etc. States that is not allowed.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008158567A JP5235523B2 (en) | 2008-06-17 | 2008-06-17 | Moisture-curing floor coating material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008158567A JP5235523B2 (en) | 2008-06-17 | 2008-06-17 | Moisture-curing floor coating material |
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| Publication Number | Publication Date |
|---|---|
| JP2009298998A JP2009298998A (en) | 2009-12-24 |
| JP5235523B2 true JP5235523B2 (en) | 2013-07-10 |
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| JP2008158567A Active JP5235523B2 (en) | 2008-06-17 | 2008-06-17 | Moisture-curing floor coating material |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH069926A (en) * | 1992-06-26 | 1994-01-18 | Sumitomo Chem Co Ltd | Production of coating solution for forming silica film |
| JPH07278497A (en) * | 1994-04-08 | 1995-10-24 | Daihachi Chem Ind Co Ltd | Coating composition for covering |
| JP2002001214A (en) * | 2000-06-26 | 2002-01-08 | Kyosho:Kk | Method for applying coating agent |
| JP4754445B2 (en) * | 2005-11-17 | 2011-08-24 | 株式会社ソフト９９コーポレーション | Antifouling coating agent for outdoor installations |
| JP5006600B2 (en) * | 2006-08-25 | 2012-08-22 | 株式会社ナード研究所 | Production method of siloxane surface coating agent |
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| JP2009298998A (en) | 2009-12-24 |
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