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JPH02173171A - Heat-resistant antifouling coating compound - Google Patents

Heat-resistant antifouling coating compound

Info

Publication number
JPH02173171A
JPH02173171A JP33506088A JP33506088A JPH02173171A JP H02173171 A JPH02173171 A JP H02173171A JP 33506088 A JP33506088 A JP 33506088A JP 33506088 A JP33506088 A JP 33506088A JP H02173171 A JPH02173171 A JP H02173171A
Authority
JP
Japan
Prior art keywords
polyborosiloxane
heat
coating compound
paint
resistance
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.)
Pending
Application number
JP33506088A
Other languages
Japanese (ja)
Inventor
Hiroshi Hashimoto
洋 橋本
Masanobu Yoda
依田 正信
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.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP33506088A priority Critical patent/JPH02173171A/en
Publication of JPH02173171A publication Critical patent/JPH02173171A/en
Pending legal-status Critical Current

Links

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  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE:To obtain the title coating compound having excellent heat resistance, stain resistance and water-vapor resistance by blending a polyborosiloxane coating compound with a specific amount of a fluorine modified silicone varnish. CONSTITUTION:The aimed coating compound obtained by blending (A) 100 pts.wt. polyborosiloxane coating compound prepared by blending a polyborosiloxane resin (e.g. one having unit shown by the formula) with (B) 2-10 pts.wt., preferably 3-5 pts.wt. fluorine modified silicone varnish.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、耐熱性と防汚性とを兼備えたfilv4性防
汚塗料に関する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a filv4 antifouling paint that has both heat resistance and antifouling properties.

(従来の技1ti) 従来5耐熱性と、防汚性すなわち汚れが付着しにくくま
たたとえ1才着しても容易に除去しうろことが要求され
る用途に対しては、シリコーン樹脂を主成分とした有機
ポリマー系塗料と、水ガラスを主成分とした水ガラス系
塗料が主として使用されている。
(Conventional Technique 1ti) Conventional 5 For applications that require heat resistance and stain resistance, that is, dirt does not stick easily, and is easy to remove even if worn for one year, silicone resin is the main component. Organic polymer-based paints containing water glass as a main component and water glass-based paints containing water glass as a main component are mainly used.

(発明が解決しようとする課題) しかしながらこのような従来の塗料は、いずれも防汚性
は比較的良好であるものの、それぞれ次のような難点を
有している。
(Problems to be Solved by the Invention) However, although all of these conventional paints have relatively good antifouling properties, they each have the following drawbacks.

すなわちシリコーン樹脂を用いたものは、常用1=度は
250℃程度で、300℃を越えると使用は不可能とな
る。まただと^常用温度250℃のill囲内であって
も長時間使用すると煩き付は塗膜にクラックや剥離等を
生じるおそれがある。
That is, products using silicone resin are normally used at a temperature of about 250°C, and cannot be used at temperatures exceeding 300°C. Furthermore, if used for a long time even at the normal temperature of 250°C, there is a risk that the paint film will crack or peel.

他方、水ガラス系塗料は耐熱温度が300℃以上と高く
ガラス基を才との密着性も比較的良好だが、耐湿性に乏
しく、また可撓性が非常に悪い。
On the other hand, water glass-based paints have a high heat resistance of 300° C. or higher and have relatively good adhesion between glass bases and substrates, but they have poor moisture resistance and very poor flexibility.

そこで本発明はこのような従来の難点を解決しようとす
るもので、400’C以上の雰@気下でも使用可能であ
って、しかも耐湿性が良く、防汚性を大幅に向上させた
耐熱性防7号塗料を提供することを目的とする。
Therefore, the present invention aims to solve these conventional difficulties, and is a heat-resistant product that can be used in an atmosphere of 400'C or higher, has good moisture resistance, and has significantly improved stain resistance. The purpose is to provide No. 7 paint.

(課題を解決するための手段) 本発明は即ち、ポリボロシロキサン[14と有機溶剤と
を混合させてなるポリボロシロキサン塗料100重量部
に、フッ素変性シリコーンワニス2〜10重量部を混合
してなることを特徴とする耐熱性防汚塗料に関する。な
お、本発明における塗料の1量部は300℃Xlhの不
揮発分を基準にしている。
(Means for Solving the Problems) The present invention consists of mixing 2 to 10 parts by weight of a fluorine-modified silicone varnish with 100 parts by weight of a polyborosiloxane paint prepared by mixing polyborosiloxane [14] and an organic solvent. This invention relates to a heat-resistant antifouling paint. Note that 1 part of the paint in the present invention is based on the nonvolatile content at 300°C.

本発明の耐熱性防汚塗料は、ポリボロシロキサン塗料を
用いることにより耐熱性、耐湿性に優れ、ざらにフン素
変性シリコーンワニスを併用するので防汚性を大幅に向
上させろことができる。
The heat-resistant antifouling paint of the present invention has excellent heat resistance and moisture resistance by using a polyborosiloxane paint, and the use of a fluorine-modified silicone varnish can significantly improve the antifouling property.

本発明のポリボロシロキサン塗料には、主鎖にB、Si
等の元素を持ち、測鎖にメチル基、フェニル基等の有機
基を有する公知のポリボロシロキサン樹脂l脂と、N−
メチル−2−ピロリドン等の有Ill in剤とを例え
ば5:4の比で混合したものを用いろことができる0本
発明に使用できろポリボロシロキサン樹脂の構造式の一
例を以下に示す。
The polyborosiloxane paint of the present invention has B and Si in the main chain.
A well-known polyborosiloxane resin having elements such as, and organic groups such as methyl group and phenyl group in the chain, and N-
An example of the structural formula of a polyborosiloxane resin that can be used in the present invention is shown below.

ポリボロシロキサン塗料は、約300℃以1の温度て焼
成するとその有機基が脱罷しセラミック化が進行して、
極めて優れた耐熱性を示す。
When polyborosiloxane paint is fired at a temperature of about 300°C or higher, its organic groups are removed and ceramicization progresses.
Shows extremely excellent heat resistance.

本発明におけるフッ素変性シリコーンワニスは、変性用
シリコーンワニスにフッ素樹脂を反応させたものであり
、シリコーンワニスの耐熱性とフッ素樹脂の防汚性、離
形性等の特性を(ltせ持つ。また、その配合量はポリ
ボロシロキサン塗¥4100重量部に対して2〜I 0
mm部、さらに望ましくは3〜5重量部である。2重F
JL、ll!以下では防汚性の効果が少なく、10@量
部を越えると得られろ塗料の耐熱性が低下する。
The fluorine-modified silicone varnish of the present invention is a product obtained by reacting a fluorine-containing silicone varnish with a fluororesin, and has the heat resistance of a silicone varnish and the antifouling properties and mold release properties of a fluororesin. , the blending amount is 2 to I0 per ¥4,100 parts by weight of polyborosiloxane coating.
mm parts, more preferably 3 to 5 parts by weight. Double F
JL,ll! If the amount is less than 10 parts, the antifouling effect will be small, and if it exceeds 10 parts, the heat resistance of the resulting paint will decrease.

本発明の耐熱性防りち塗料は、上述のポリボロシロキサ
ン塗料とフッ素変性シリコーンワニスを攪拌機で混合し
て得られろ。
The heat-resistant anti-stick paint of the present invention can be obtained by mixing the above-mentioned polyborosiloxane paint and fluorine-modified silicone varnish using a stirrer.

なお1本発明おいては上述の成分の曲に、金属酸(ヒ物
、ガラス粉末、四フソイヒエチレン粉末等を加えて、耐
熱性や防汚性をざらに向上させることもできる。これら
の充填剤を加える時は、ミキサー等で1時間程度P&拌
する。
In addition, in the present invention, heat resistance and antifouling properties can be roughly improved by adding metal acids (arsenic acid, glass powder, tetrafluoroethylene powder, etc.) to the above-mentioned ingredients.These fillers When adding, mix with a mixer for about 1 hour.

このようにして得られた耐熱性防LT5塗料をガラス板
や金属基を才等の基材に常法により塗布し、300℃程
度の温度で焼成することにより、耐熱性と防汚性を有し
、耐1皇性に優れ、ガラス基材に対する密着性も良好な
塗膜を製造することができる。
The heat-resistant and antifouling LT5 paint obtained in this way is applied to a substrate such as a glass plate or a metal base by a conventional method and baked at a temperature of about 300°C, thereby achieving heat resistance and antifouling properties. Moreover, it is possible to produce a coating film that has excellent resistance to corrosion and has good adhesion to glass substrates.

(実施例) 本発明の実施例について説明する。(Example) Examples of the present invention will be described.

実施例1〜4 ボリボayaキサン樹ff1100fLtFiBをN−
メチル−2−ピロリドン80重量部に溶解させて。
Examples 1 to 4 N-
Dissolved in 80 parts by weight of methyl-2-pyrrolidone.

不揮発分48%のポリボロシロキサン塗料を得た。A polyborosiloxane paint with a non-volatile content of 48% was obtained.

次いでこのポリボロシロキサン塗料にフッ素変性シリコ
ーンワニスとしてY−21(信越化学工業株式会社製 
商品名)を表に示す割合で配合し、攪拌して耐熱性防汚
塗料を得た。
Next, this polyborosiloxane paint was coated with Y-21 (manufactured by Shin-Etsu Chemical Co., Ltd.) as a fluorine-modified silicone varnish.
(trade name) in the proportions shown in the table and stirred to obtain a heat-resistant antifouling paint.

得られた耐熱性防汚塗料を厚さ0.6mmのステンレス
板(SUS430)f;[布し、350’CX30分填
成して、厚さ20 B mの塗膜を形成した。
The obtained heat-resistant antifouling paint was applied to a stainless steel plate (SUS430) with a thickness of 0.6 mm and filled with 350'CX for 30 minutes to form a coating film with a thickness of 20 Bm.

得られた塗膜を用いて、次の試験を行った。The following tests were conducted using the obtained coating film.

耐熱性は、!j!IIに1−四方のマス目を100マス
劾み、3001.”、 X I 68時間加熱7層にテ
ープテスト(片面に粘着性を有するテープをLi膜に貼
りつけた後はがす)シ、9%存マス目数を調べた。耐湿
性は、得られた塗膜の硬度と、相対湿度95%の雰囲ス
下で60℃×24時間後の硬度を鉛筆ひっかき硬度で示
した。防汚性は、億膜上ベアスフアルドをのせ150℃
X30分加熱後の状態を調べ、アスファルトの跡が残ら
ずに除去できたものを0、少量の跡が残ったものを△、
除去できなかったものをXとした。また、耐屈曲性は、
基を才を6 m m直径の巻枠で180′の折曲げを1
チー)た時のクラックの有−を調べた。
Heat resistance! j! Fill II with 100 1-square squares, 3001. ”, X I 7 layers heated for 68 hours were subjected to a tape test (apply a tape with adhesive on one side to the Li film and then peeled off) to examine the number of squares remaining at 9%. Moisture resistance was determined by The hardness of the film and the hardness after 24 hours at 60°C in an atmosphere with relative humidity of 95% are shown by pencil scratch hardness.The stain resistance was determined by applying Beersfald on the film at 150°C.
X Check the condition after heating for 30 minutes, 0 if the asphalt was removed without leaving any traces, △ if a small amount of asphalt remained.
Those that could not be removed were marked as X. In addition, the bending resistance is
180' bend with a 6 mm diameter winding frame.
The presence of cracks was investigated when

比較例1〜2 表に示す配合で、実施例と同様にして塗膜を彫成し、同
様に試験した。
Comparative Examples 1-2 Coating films were carved in the same manner as in the examples using the formulations shown in the table, and tested in the same manner.

耐屈曲性は、実施例、比較例のいずれにもクラックが発
生しなかった。
As for the bending resistance, no cracks occurred in any of the examples and comparative examples.

(以下余白) (発明の効果) 以上本発明の耐熱性防汚塗料による塗膜は、優れた1I
ti4熱性と耐γ寥性を有しているのみならず、防汚性
を大幅に向上させているので、耐熱性と防汚性が要求さ
れる用途に幅広く適用することができろ。
(The following is a blank space) (Effects of the invention) As described above, the coating film made of the heat-resistant antifouling paint of the present invention has an excellent 1I
It not only has ti4 heat resistance and gamma resistance, but also has significantly improved stain resistance, so it can be widely applied to applications that require heat resistance and stain resistance.

Claims (1)

【特許請求の範囲】[Claims] (1)ポリボロシロキサン樹脂と有機溶剤とを混合させ
てなるポリボロシロキサン塗料100重量部に、フッ素
変性シリコーンワニス2〜10重量部を混合してなるこ
とを特徴とする耐熱性防汚塗料。
(1) A heat-resistant antifouling paint characterized by mixing 2 to 10 parts by weight of a fluorine-modified silicone varnish with 100 parts by weight of a polyborosiloxane paint made by mixing a polyborosiloxane resin and an organic solvent.
JP33506088A 1988-12-27 1988-12-27 Heat-resistant antifouling coating compound Pending JPH02173171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33506088A JPH02173171A (en) 1988-12-27 1988-12-27 Heat-resistant antifouling coating compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33506088A JPH02173171A (en) 1988-12-27 1988-12-27 Heat-resistant antifouling coating compound

Publications (1)

Publication Number Publication Date
JPH02173171A true JPH02173171A (en) 1990-07-04

Family

ID=18284307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33506088A Pending JPH02173171A (en) 1988-12-27 1988-12-27 Heat-resistant antifouling coating compound

Country Status (1)

Country Link
JP (1) JPH02173171A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008138266A1 (en) * 2007-05-16 2008-11-20 Qingjin Zeng High temperature enviromental-friendly and energy-saving coating for metal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008138266A1 (en) * 2007-05-16 2008-11-20 Qingjin Zeng High temperature enviromental-friendly and energy-saving coating for metal

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