JP2672995B2 - How to prevent dirt from adhering to the surface of the sealing material - Google Patents
How to prevent dirt from adhering to the surface of the sealing materialInfo
- Publication number
- JP2672995B2 JP2672995B2 JP227289A JP227289A JP2672995B2 JP 2672995 B2 JP2672995 B2 JP 2672995B2 JP 227289 A JP227289 A JP 227289A JP 227289 A JP227289 A JP 227289A JP 2672995 B2 JP2672995 B2 JP 2672995B2
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- group
- adhering
- material according
- fluororesin
- 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
Landscapes
- Paints Or Removers (AREA)
- Sealing Material Composition (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、シーリング材表面の汚れ付着の防止方法に
関し、更に詳しくは、一般の建築物の内外装の目地部に
適用するシーリング材の表面に埃、塵等の汚れの付着を
防止する方法に関する。Description: TECHNICAL FIELD The present invention relates to a method for preventing adhesion of stains on the surface of a sealing material, and more specifically, the surface of a sealing material applied to joints of interiors and exteriors of general buildings. The present invention relates to a method for preventing adhesion of dirt such as dust.
（従来の技術） 一般の建築物の内外装の目地部に適用されるシーリン
グ材としてシリコーン系、変成シリコーン系、ポリサル
ファイド系、変成ポリサルファイド系及びポリウレタン
系などのものがよく知られている。シーリング材は、本
来、各種部材間の接合部や隙間に充填し、水密を付与す
る目的で使用される材料であるが、近年、防水性能は確
保されていても目地周辺が汚れて意匠上見苦しくなっ
て、美観を損なう場合もあるため、美観上の品質も同様
に要求されるようになってきた。(Prior Art) Silicone-based, modified silicone-based, polysulfide-based, modified polysulfide-based, polyurethane-based, and the like are well known as sealing materials applied to joints of interiors and exteriors of general buildings. Sealing material is originally used to fill the joints and gaps between various members to provide watertightness, but in recent years, even though the waterproof performance has been secured, the area around the joints is dirty and unsightly in design. As a result, the aesthetic quality may be impaired, so that the aesthetic quality is also required.
近年、変成シリコーン系、変成ポリサルファイド系あ
るいはポリウレタン系のシーリング材は、耐久性、耐候
性に優れ、種々の優れた性能をバランスよく有すること
から広く使用されているが、欠点として硬化後も表面に
ベトつき（タック）が残るため、目地周辺は汚さないも
のの、目地部に大気中の塵埃が付着し、美観を損なう傾
向がある。特に、関東地方においては、関東ローム層の
影響で、シーリング材の表面が顕著に汚れる場合が認め
られた。In recent years, modified silicone-based, modified polysulfide-based, or polyurethane-based sealing materials have been widely used because they have excellent durability and weather resistance and have various excellent performance in a well-balanced manner. Since tackiness remains, the area around the joint is not polluted, but dust in the atmosphere tends to adhere to the joint portion and spoil the appearance. Especially in the Kanto region, the surface of the sealing material was significantly soiled due to the influence of the Kanto loam layer.
そこで、シーリング材の硬化後、その表面に着塵防止
剤を塗布してバリア層を設けるなどの方法をとる場合が
あった。Therefore, in some cases, after the sealing material has been hardened, a dust-preventing agent is applied to the surface of the sealing material to form a barrier layer.
（発明が解決しようとする課題） この従来の方法ではシーリング材が硬化するまでの
間、塵埃を付着を防ぐことができないことと、着塵防止
剤をハケ等で塗布する際に、はみ出して目地部周辺の壁
材を汚さないため、マスキングテープを貼る等の手間が
かかる等の欠点があった。また、これらの着塵防止材
は、アクリル系、ウレタン系、シリコーン系などの樹脂
を主成分としたものが多く、着塵防止能を発揮させるた
めには硬化皮膜を硬くせざるを得ないため、可動目地に
使用されるシーリング材の上に塗布された場合には、目
地の動きに追従できず、クラックを生じ、そこに塵埃が
付着する等の問題があった。(Problems to be Solved by the Invention) In this conventional method, it is not possible to prevent dust from adhering until the sealing material is cured, and when applying the dust-prevention agent with a brush or the like, it is possible to stick it out. Since the wall material around the part is not soiled, there is a drawback that it takes time and labor such as attaching a masking tape. In addition, since most of these dust-prevention materials are mainly composed of acrylic, urethane-based, or silicone-based resin, the cured coating must be hardened in order to exert the dust-prevention ability. When it is applied on a sealing material used for movable joints, there is a problem that it cannot follow the movement of the joints, cracks occur, and dust adheres thereto.
本発明は、一般の建築物の内外装の目地部に適用する
シーリング材の表面に埃、塵等の汚れの付着を効果的に
防止することを目的とする。It is an object of the present invention to effectively prevent dirt, such as dust, from adhering to the surface of a sealing material applied to joints of interiors and exteriors of general buildings.
（課題を解決するための手段） 上記目的を達成するために、本発明においては、シー
リング材の未硬化時にフッ素樹脂を主成分とするコーテ
ィング剤を塗布するものである。(Means for Solving the Problems) In order to achieve the above object, in the present invention, a coating agent containing a fluororesin as a main component is applied when the sealing material is uncured.
本発明で使用されるフッ素樹脂としては溶剤可溶なも
のが好ましく、また 一般式、 CnF2n+1 （式中、ｎは４から20の整数である。） で示されるパーフルオロアルキル基を含有する重合体が
好ましい。The fluororesin used in the present invention is preferably a solvent-soluble one, and is a perfluoroalkyl group represented by the general formula, C n F 2n + 1 (where n is an integer of 4 to 20). Polymers containing are preferred.
前記フッ素樹脂を主成分とするコーティング剤をシー
リング材の表面に0.1〜５μの膜厚を形成するように塗
布するのがよい。It is preferable to apply the coating agent containing a fluororesin as a main component so as to form a film thickness of 0.1 to 5 μm on the surface of the sealing material.
前記シーリング材としては変成シリコーン系、変成ポ
リサルファイド系或いはポリウレタン系シーリング材が
好適である。As the sealing material, modified silicone-based, modified polysulfide-based or polyurethane-based sealing material is suitable.
前記変成シリコーン系シーリング材としては 一般式、 （式中、Ｒ′は炭素数１〜12の１価の炭化水素基、Ｒ″
は炭素数１〜６の１価の炭化水素基、ｎは０〜２であ
る。） で示される加水分解性珪素官能基を末端に有するポリエ
ーテル重合体を主成分とするもの用いるのが好適であ
る。The modified silicone-based sealing material has a general formula, (In the formula, R'is a monovalent hydrocarbon group having 1 to 12 carbon atoms, R "
Is a monovalent hydrocarbon group having 1 to 6 carbon atoms, and n is 0 to 2. It is preferable to use a polymer mainly composed of a polyether polymer having a hydrolyzable silicon functional group represented by
前記変成ポリサルファイド系シーリング材としてはSH
基（メルカプタン基）を末端に有するポリエーテル重合
体を主成分とするものを用いるのが好適である。SH is used as the modified polysulfide-based sealing material.
It is preferable to use a polymer mainly composed of a polyether polymer having a group (mercaptan group) at the end.
前記ポリウレタン系シーリング材としてはNCO基（イ
ソシアナート基）を末端に有するポリエーテル重合体を
主成分とするものを用いるのが好適である。As the polyurethane-based sealing material, it is preferable to use a material containing a polyether polymer having an NCO group (isocyanate group) at the end as a main component.
（作用） （ａ）本発明において、シーリング材の未硬化時にフッ
素樹脂を塗布するとシーリング材の表面に塵埃が付着し
ないものである。もっとも、シーリング材の硬化後にフ
ッ素樹脂を塗布しても効果があることは勿論である。(Operation) (a) In the present invention, if the fluororesin is applied while the sealing material is uncured, dust will not adhere to the surface of the sealing material. Of course, it is of course effective to apply a fluororesin after curing the sealing material.
（ｂ）本発明で用いられるフッ素樹脂の下記のごとき性
能を有しかつ作用を果たすものである。(B) The fluororesin used in the present invention has the following properties and functions.
作業上溶剤に可溶であることが望ましい。It is desirable that it be soluble in the solvent for work.
分子構造上表面エネルギーが小さいため、汚れの付着
が防止され、その効果はCnF2n+1なるパーフルオロアル
キル基を含有する方が大きく好ましい。Since the surface energy is small in terms of the molecular structure, adhesion of dirt is prevented, and its effect is more preferable because it contains a perfluoroalkyl group of C n F 2n + 1 .
表面エネルギーが小さいため、シーリング材内部の低
分子ポリマー或いは可塑性のブリードを抑える効果があ
り、着塵を防止する。Since the surface energy is small, it has the effect of suppressing the low molecular weight polymer or plastic bleeding inside the sealing material, and prevents dusting.
シーリング材と本来相溶しないのでシーリング材内部
に未硬化時に取り込まれず、表面にのみ存在する。Since it is essentially incompatible with the sealing material, it is not incorporated inside the sealing material when it is not cured, and exists only on the surface.
（ｃ）フッ素樹脂の塗膜の厚みが0.1〜５μの範囲が効
果大である。0.1μ以下では着塵防止能が発揮できない
し、５μ以上ではクラックが発生する。(C) The effect is large when the thickness of the coating film of the fluororesin is in the range of 0.1 to 5 µ. If it is less than 0.1μ, the ability to prevent dusting cannot be exhibited, and if it is more than 5μ, cracks occur.
（ｄ）目地部にシーリング材を充填し、ヘラ押さえ板後
直ちにフッ素樹脂をエアゾール或いはエアー等でスプレ
ー塗布し、それからマスキングテープを除去してもシー
リング材の表面がきれいに維持できる。従来の着塵防止
材ではシーリング材の未効果時に塗布すると造膜性が大
きいため、マスキングテープ除去時にシーリング材も一
緒にもってくるため、きれいに仕上がらない。(D) The surface of the sealing material can be kept clean even if the joint material is filled with the sealing material and the fluororesin is sprayed immediately after the spatula pressing plate with an aerosol or air, and then the masking tape is removed. With the conventional dust prevention material, if it is applied when the sealing material is not effective, it has a great film-forming property, and the sealing material is taken with it when the masking tape is removed.
（ｅ）変成シリコーン系シーリング材に特に効果が大き
く、変成ポリサルファイド及びポリウレタンに対しても
効果がある。しかし、シリコーンに対しては、塗料ハジ
キ、密着性の点で意味がない。また、ポリサルファイド
は、それ自身は余り汚れないので除外される。(E) It is particularly effective for modified silicone sealing materials, and is also effective for modified polysulfide and polyurethane. However, it is meaningless for silicone in terms of paint repellency and adhesion. Also, polysulfide is excluded because it is not very dirty by itself.
（実施例） 以下に本発明の実施例を挙げて本発明をさらに具体的
に説明する。(Example) Hereinafter, the present invention will be described more specifically with reference to Examples of the present invention.
実施例１ 以下の要領で試験片を作成した。Example 1 A test piece was prepared in the following manner.
スレート（厚さ6mm）で10mm幅の目地を作る。Make a joint with a width of 10 mm using a slate (6 mm thick).
目地に沿ってマスキングテープを貼る。Apply masking tape along the joints.
市販の１成分形変成シリコーン系シーリング材POSシ
ール （セメダイン株式会社製）を充填する。Commercially available 1-component modified silicone sealing material POS
The (Made by Cemedine Co., Ltd.).
シーリング材の表面をヘラで押さえきれいに仕上げ
る。Press the surface of the sealing material with a spatula to finish it clean.
フッ素樹脂系コーティング剤ボンフロン9000（旭硝子
コートアンドレジン株式会社製）をエアブラシ（噴霧
器）にてスプレー塗布する。The fluorocarbon resin coating agent Bonflon 9000 (manufactured by Asahi Glass Coat And Resin Co., Ltd.) is applied by spraying with an air brush (sprayer).
直ちマスキングテープを除去する。Immediately remove the masking tape.
そのまま試験片を南面45度の角度の屋外暴露台に取付
け暴露した表面状態を観察する。その結果を第１表に示
す。The test piece is mounted as it is on an outdoor exposure table at an angle of 45 degrees on the south side, and the exposed surface condition is observed. Table 1 shows the results.
実施例２ シーリング材として、１成分形の変成ポリサルファイ
ド系シリコーン系シーリング材ポリシールＩ （セメダ
イン株式会社製）を用いた以外は実施例１と同一の要領
で実験を行ったところ、実施例１と同様の結果が得られ
た。 Example 2 As a sealing material, one-component modified polysulfide
Silicone-based sealant policy I (Cemeda
The same procedure as in Example 1 except that (In Co., Ltd.) was used.
The same result as in Example 1 was obtained when the experiment was conducted.
Was.
実施例３ 実施例１と同様の目地を作成し、市販の２成分形のポ
リウレタン系シーリング材S750 （セメダイン株式会社
製）を充填し、マスキングテープを除去して約３時間放
置後（シーリング材はいまだ未硬化状態）にエアゾール
化したフッ素樹脂系コーティング剤ボンフロン9100（旭
硝子コートアンドレジン株式会社製）をスプレー塗布
し、実施例１と同様の暴露台で暴露し、表面状態を観察
したところ実施例１と同様の結果が得られた。Example 3 A joint similar to that in Example 1 was prepared, and a commercially available two-component type joint was used.
Polyurethane sealing material S750 (Cemedine Co., Ltd.
Product), remove the masking tape, and let go for about 3 hours.
Aerosol after placing (sealing material is still uncured)
Fluorocarbon resin coating agent Bonflon 9100 (Asahi
Glass coat And Resin Co., Ltd.) spray applied
Then, it is exposed on the same exposure table as in Example 1, and the surface condition is observed.
As a result, the same result as in Example 1 was obtained.
実施例４ シーリング材として、２成分形の変成シリコーン系シ
ーリング材POSシールタイプII （セメダイン株式会社
製）を用いた以外は実施例３と同一の要領で実験を行っ
たところ、実施例３と同様の結果が得られた。Example 4 As a sealing material, a two-component modified silicone type sealant was used.
Ring material POS seal type II (Cemedine Co., Ltd.
The experiment was performed in the same manner as in Example 3 except that
As a result, the same result as in Example 3 was obtained.
比較例１〜４ フッ素樹脂系コーティング剤ボンフロン9000（旭硝子
コートアンドレジン株式会社製）の代わりに、プライマ
ーMP−1000 （セメダイン株式会社製）、プライマーMP
−2000 （セメダイン株式会社製）、ボンフロン1000
（旭硝子コートアンドレジン株式会社製）、Ｖトップ
（大日本塗料株式会社製）をそれぞれ塗布した以外は実
施例１と同様の要領で実験を行った。これらの場合、い
ずれもマスキングテープ除去時にシーリング材の一部が
マスキングテープに付着し、きれいに仕上がらなかっ
た。Comparative Examples 1 to 4 Fluorocarbon resin coating agent Bonflon 9000 (Asahi Glass
Coat and Resin Co., Ltd.)
ー MP-1000 (Made by Cemedine Co., Ltd.), MP primer
−2000 (Made by Cemedine Co., Ltd.), Bonflon 1000
(Made by Asahi Glass Coat And Resin Co., Ltd.), V-top
(Dai Nippon Paint Co., Ltd.)
An experiment was conducted in the same manner as in Example 1. In these cases, yes
Even when the masking tape is removed, some of the sealing material
It adheres to the masking tape and does not finish cleanly
Was.
実施例５ サイディング材（50x50x12）で10mm幅の目地を作成
し、２成分形の変成シリコーン系シーリング材POSシー
ルタイプII を充填した。噴霧器にてフッ素樹脂系コー
ティング剤ボンフロン9000（旭硝子コートアンドレジン
株式会社製）を塗布し、20℃、65％RHにて14日間硬化養
生後、試験片をシーリング材の疲労試験機に取付け、五
回／分のサイクルで±20％の伸縮を繰り返し試験を行っ
た。その結果を第２表に示したが、異常は発生しなかっ
た。Example 5 Creating a joint with a width of 10 mm using siding material (50x50x12)
Two-component modified silicone sealing material POS seal
Type II Was charged. Fluorine resin coating with a sprayer
Bonflon 9000 (Asahi glass coat and resin
Co., Ltd.) and cure and cure at 20 ° C, 65% RH for 14 days.
After birth, attach the test piece to the sealant fatigue tester and
Repeatedly expanding and contracting ± 20% in cycles per minute
Was. The results are shown in Table 2, but no abnormalities occurred.
Was.
実施例６ フッ素樹脂系コーティング剤ボンフロン9000（旭硝子
コートアンドレジン株式会社製）の代わりにフッ素樹脂
系コーティング剤ボンフロン9100（旭硝子コートアンド
レジン株式会社製）を用いた以外は実施例５と同様の要
領で試験片を作成し、同様の試験片を行い、その結果を
第２表に示したが、異常は発生しなかった。Example 6 The same procedure as in Example 5 except that the fluororesin coating agent Bonflon 9000 (manufactured by Asahi Glass Coat And Resin Co., Ltd.) was used instead of the fluororesin coating agent Bonflon 9000 (manufactured by Asahi Glass Coat And Resin Co., Ltd.). A test piece was prepared in Example 1 and the same test piece was prepared. The results are shown in Table 2, but no abnormality occurred.
（発明の効果） 以上のように、本発明によれば、シーリング材の表
面の汚れ付着を防止することができ、マスキングテー
プをきれいに除去することができ、ワーキングジョイ
ント（可動目地）の動きに長期間追随でき、表面のヒビ
割れが発生しないという効果が奏されるものである。 (Effects of the Invention) As described above, according to the present invention, it is possible to prevent the surface of the sealing material from being contaminated with dirt, remove the masking tape cleanly, and improve the movement of the working joint (movable joint). The effect of being able to follow the period and not causing cracks on the surface is exhibited.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 川上 昌一 千葉県千葉市花園５―17―16 花園荘１ ―101 (72)発明者 笠井 康吉 埼玉県三郷市彦成４丁目１―11―401 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shoichi Kawakami 5-17-16 Hanazono, Chiba City Chiba Prefecture 1-101 (101) Inventor Yasukichi Kasai 4-1-1-11 Hikonari, Misato City Saitama Prefecture
Claims (8)
成分とするコーティング剤を塗布することを特徴とする
シーリング材表面の汚れ付着の防止方法。1. A method for preventing dirt from adhering to the surface of a sealing material, which comprises applying a coating agent containing a fluororesin as a main component when the sealing material is uncured.
徴とする請求項（１）記載のシーリング材表面の汚れ付
着の防止方法。2. The method for preventing dirt from adhering to the surface of a sealing material according to claim 1, wherein the fluororesin is soluble in a solvent.
あることを特徴とする請求項（１）又は（２）記載のシ
ーリング材表面の汚れ付着の防止方法。3. The fluororesin is a polymer containing a perfluoroalkyl group represented by the general formula: C n F 2n + 1 (wherein n is an integer of 4 to 20). The method for preventing dirt from adhering to the surface of a sealing material according to claim 1 or 2.
グ剤がシーリング材の表面に0.1〜５μの膜厚を形成す
るように塗布することを特徴とする請求項（１）（２）
又は（３）記載のシーリング材表面の汚れ付着の防止方
法。4. The coating agent containing the fluororesin as a main component is applied so as to form a film thickness of 0.1 to 5 .mu.m on the surface of the sealing material.
Alternatively, the method for preventing adhesion of dirt on the surface of the sealing material according to (3).
成ポリサルファイド系或いはポリウレタン系シーリング
材であることを特徴とする請求項（１）（２）（３）又
は（４）記載のシーリング材表面の汚れ付着の防止方
法。5. The stain on the surface of the sealing material according to claim 1, wherein the sealing material is a modified silicone-based, modified polysulfide-based or polyurethane-based sealing material. How to prevent adhesion.
は炭素数１〜６の１価の炭化水素基、ｎは０〜２の整数
である。） で示される加水分解性珪素官能基を末端に有するポリエ
ーテル重合体を主成分とすることを特徴とする請求項
（５）記載のシーリング材表面の汚れ付着の防止方法。6. The modified silicone-based sealing material is represented by the general formula: (In the formula, R'is a monovalent hydrocarbon group having 1 to 12 carbon atoms, R "
Is a monovalent hydrocarbon group having 1 to 6 carbon atoms, and n is an integer of 0 to 2. 7. The method for preventing dirt from adhering to the surface of a sealing material according to claim 5, characterized in that the main component is a polyether polymer having a hydrolyzable silicon functional group at the end.
がSH基（メルカプタン基）を末端に有するポリエーテル
重合体を主成分とすることを特徴とする請求項（５）記
載のシーリング材表面の汚れ付着の防止方法。7. The adhesion of stains on the surface of the sealing material according to claim 5, wherein the modified polysulfide-based sealing material contains a polyether polymer having an SH group (mercaptan group) at an end as a main component. Prevention method.
（イソシアナート基）を末端に有するポリエーテル重合
体を主成分とすることを特徴とする請求項（５）記載の
シーリング材表面の汚れ付着の防止方法。8. The adhesion of stains on the surface of the sealing material according to claim 5, wherein the polyurethane-based sealing material is mainly composed of a polyether polymer having an NCO group (isocyanate group) at the end. Prevention method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP227289A JP2672995B2 (en) | 1989-01-09 | 1989-01-09 | How to prevent dirt from adhering to the surface of the sealing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP227289A JP2672995B2 (en) | 1989-01-09 | 1989-01-09 | How to prevent dirt from adhering to the surface of the sealing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02182767A JPH02182767A (en) | 1990-07-17 |
| JP2672995B2 true JP2672995B2 (en) | 1997-11-05 |
Family
ID=11524733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP227289A Expired - Lifetime JP2672995B2 (en) | 1989-01-09 | 1989-01-09 | How to prevent dirt from adhering to the surface of the sealing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2672995B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW252146B (en) * | 1992-08-25 | 1995-07-21 | Dow Corning | |
| JPH09100461A (en) * | 1995-10-03 | 1997-04-15 | Shin Etsu Polymer Co Ltd | Silicone rubber joint-based member |
| JP2010053202A (en) * | 2008-08-27 | 2010-03-11 | Pialex Technologies Corp | Photocatalyst coating composition for sealing |
| JP5515393B2 (en) * | 2009-04-30 | 2014-06-11 | 横浜ゴム株式会社 | Topcoat composition for polysulfide sealant |
| DE102012004278B4 (en) | 2011-03-31 | 2022-07-07 | Few Chemicals Gmbh | Coating composition for abrasion-resistant and anti-adhesive surface coatings, use thereof and coated surface |
-
1989
- 1989-01-09 JP JP227289A patent/JP2672995B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02182767A (en) | 1990-07-17 |
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