JPS63270768A - Heat-resistant coating composition - Google Patents
Heat-resistant coating compositionInfo
- Publication number
- JPS63270768A JPS63270768A JP10721587A JP10721587A JPS63270768A JP S63270768 A JPS63270768 A JP S63270768A JP 10721587 A JP10721587 A JP 10721587A JP 10721587 A JP10721587 A JP 10721587A JP S63270768 A JPS63270768 A JP S63270768A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- heat
- stainless steel
- polyborosiloxane
- silicone resin
- 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
Links
- 239000008199 coating composition Substances 0.000 title 1
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 13
- 239000010935 stainless steel Substances 0.000 claims abstract description 13
- 229920002050 silicone resin Polymers 0.000 claims abstract description 11
- 239000003973 paint Substances 0.000 claims description 21
- 239000011256 inorganic filler Substances 0.000 claims description 6
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 18
- 238000000576 coating method Methods 0.000 abstract description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000945 filler Substances 0.000 abstract description 5
- 239000003054 catalyst Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 229920005573 silicon-containing polymer Polymers 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract 2
- 238000004040 coloring Methods 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003495 polar organic solvent Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的コ
（産業上の利用骨！ｌＩ′Ｆ）
本発明は、得られる塗膜の表面特性を改善したポリボロ
シロキサン樹脂を用いた耐熱性塗料に関する。DETAILED DESCRIPTION OF THE INVENTION [Purpose of the Invention (Industrial Applications! lI'F) The present invention relates to a heat-resistant paint using a polyborosiloxane resin that has improved surface properties of the resulting paint film.
（従来の技術）
従来より、耐熱性塗料として、シリコーン樹脂を主成分
とする塗膜°１が知られており、この塗料を用いて形成
した塗膜は、耐薬品性に優れている等の長所を有する反
面、耐熱温度がせいぜい２５０°Ｃ程度であるため、使
用用途が限定されていた。(Prior art) As a heat-resistant paint, coating film °1, which is mainly composed of silicone resin, has been known, and the coating film formed using this coating has excellent chemical resistance, etc. Although it has advantages, its use is limited because its heat resistance is only about 250°C at most.
一方、近年、ポリボロシロキサン樹脂を主成分として有
機溶剤に溶解した塗料を基体に塗布し、これを高温で焼
成することにより、′Ｂａ化、すなわちセラミックス化
させて得られる塗膜が、４００℃以りの温度の常用に耐
える笠、陵れな耐熱性を有していることから、耐熱性塗
ｒ１として注［１されている。On the other hand, in recent years, a paint film containing polyborosiloxane resin as the main component dissolved in an organic solvent is coated on a substrate and fired at high temperatures to form a coating film that is converted into 'Ba', that is, ceramicized, at a temperature of 400°C. It is classified as a heat-resistant coating R1 because it can withstand regular use at temperatures above and has excellent heat resistance.
（発明が解決しようとする問題点）
しかしながら、このようなポリボロシロキサン樹脂を主
成分として用いた塗料により得られる塗膜は、硬度が低
く（ｊ：ｆｆｆｌ硬度で１１〜ＩＩＢ程度）、これによ
り塗（漠に傷かつきやすく、また塗膜剥離もおこしやす
い。従って、これらの部分より基体に＠食を生じ、塗料
としての信頼性が低下してしまうという問題がある。−
蝦的な塗膜としての硬度は、最低３；）筆硬度で３１１
は！ピ・要であると言われている。(Problems to be Solved by the Invention) However, the coating film obtained with a paint using such a polyborosiloxane resin as a main component has low hardness (j: about 11 to IIB in fffl hardness), and as a result, The paint is easily scratched and the paint film is easily peeled off.Therefore, there is a problem in that corrosion occurs on the base from these parts, reducing its reliability as a paint.
The hardness of a shrimp-like coating is at least 3;) 311 in brush hardness
teeth! It is said to be Pi-Kaname.
本発明はこの、１うなＵｃ来の問題点を解決するために
なされたもので、優れた耐熱性を有し、得られる塗膜が
高硬度で、かつ可撓性にも優れた耐熱性塗料を提供する
ことを１ｊ的とする。The present invention was made in order to solve this first problem, and is a heat-resistant paint that has excellent heat resistance, the resulting coating film is highly hard, and has excellent flexibility. The objective is to provide the following.
１発明の楕成］
（問題点を解決するための手段）
本発明の耐熱性塗料は、（イ）ポリボロシロキサン樹脂
と、（％７）シリコーン樹脂と、（ハ）ステンレスフレ
ークとを有１？１ｆｆｉ剤に溶解または分散してなるこ
とを’Ｊｌ ｕｌとしている。1. Overview of the invention] (Means for solving the problems) The heat-resistant paint of the present invention comprises (a) polyborosiloxane resin, (%7) silicone resin, and (c) stainless steel flakes. ?1ffi agent is dissolved or dispersed in it.
本発明における（イ）のポリボロシロキサン樹脂は、公
知のものを使用することができ、下記の式でその−Ｌ骨
格が示されるものである。As the polyborosiloxane resin (a) in the present invention, known ones can be used, and the -L skeleton thereof is represented by the following formula.
本発明に使用する（１７）のシリコーン樹脂としては、
純シリコーンの他、シリコーンアル＝Ｖツド、シリコ１
−ンボリエステル、シリコ１−ンアクリル笠を使用する
ことができる。As the silicone resin (17) used in the present invention,
In addition to pure silicone, silicone al=Vtsud, silicone 1
Polyester and silicone acrylic hats can be used.
この（ロ）のシリコーン樹脂の配合量は、（イ）のポリ
ボロシロキサン樹脂１００重量部あたり、５〜５００重
量部が好ましい、シリコーン樹脂の配合量が５重量部未
満であると塗膜の可撓性向上効果が十分に得られず、５
００重量部を超えるとポリボロシロキサン樹脂の優れた
耐熱性が減殺される。The amount of the silicone resin (B) is preferably 5 to 500 parts by weight per 100 parts by weight of the polyborosiloxane resin (A). The effect of improving flexibility was not sufficiently obtained, and 5
If the amount exceeds 0.00 parts by weight, the excellent heat resistance of the polyborosiloxane resin will be diminished.
また、本発明に使用される（ハ）のステンレスフレーク
を主成分とする無機質充填剤は、得られる塗膜の可撓性
を損ねることなく硬度を向上させるものであり、長径／
厚さが２〜２０の範囲であり、かつ最大炎が２０μｍ以
下であるステンレスフレークが好ましい、ステンレスフ
レークの長径／厚さが２未満でも、また２０を超えても
本発明のフレーク状充填剤の効果が十分に得られない、
また、粒子の最大炎が２０μｍ未満であると分散性が悪
くなる。In addition, the inorganic filler (c) mainly composed of stainless steel flakes used in the present invention improves the hardness of the resulting coating film without impairing its flexibility.
Stainless steel flakes having a thickness in the range of 2 to 20 μm and a maximum flame of 20 μm or less are preferable. Even if the length/thickness of the stainless steel flakes is less than 2 or more than 20, the flaky filler of the present invention can be used. Not getting enough effect
Further, if the maximum flame of the particles is less than 20 μm, the dispersibility will be poor.
この（ハ）のステンレスフレークを主成分とする無機質
充填剤の配合量は、（イ）のポリボロシロキサン樹脂と
（ロ）のシリコーン樹脂の合ｆｌ埜ｉ ｏ ｏ 、ｒｌ
＜置部アタリ、５−、５００！ＩｆＪ：部カＮ ｔしい
。The blending amount of the inorganic filler mainly composed of stainless steel flakes (c) is the sum of the polyborosiloxane resin (a) and the silicone resin (b).
<Okibe Atari, 5-, 500! IfJ: Part number is good.
無機質充填剤の配合量が５重量部未満であると耐熱軟化
特性が乏しくなり、５００重量部を超えると塗膜の機械
的特性が乏しくなる。If the amount of the inorganic filler is less than 5 parts by weight, the heat softening properties will be poor, and if it exceeds 500 parts by weight, the mechanical properties of the coating film will be poor.
なお、本発明においては、本発明の効果を損なわない範
囲で他の無ａ’！’４充填剤や、上述の各成分の他に公
知のシリコーンポリマーの硬化促進剤、着色顔ネ゛１、
焼付硬化触媒、その他の添加剤を添加することができる
。In addition, in the present invention, no other a'! 4 Fillers, in addition to the above-mentioned components, known silicone polymer curing accelerators, colored face paints 1,
A bake hardening catalyst and other additives can be added.
本発明の耐熱性塗料は、例えば次のようにして製造され
る。The heat-resistant paint of the present invention is manufactured, for example, as follows.
すなわち、（イ）・〜（ハ）の各成分を所定の比率で、
Ｎ−メチル−２−ピロリドン、ジメチルホルムアミド等
の極性有機溶剤やトルエン、キシレン笠の非極性有機溶
剤に溶解または分散させるか、あるいは予め同様な有機
溶剤に溶解または分散させて液状にしたものを混合し、
これを十分に撹拌することにより得られる。In other words, each component (a) to (c) is mixed in a predetermined ratio,
Dissolve or disperse in a polar organic solvent such as N-methyl-2-pyrrolidone or dimethylformamide, or a non-polar organic solvent such as toluene or xylene, or mix with a liquid that has been dissolved or dispersed in a similar organic solvent in advance. death,
It can be obtained by stirring this thoroughly.
このようにして得られた本発明の耐熱性塗料は、金属飯
等の基体上に通常の方法にて塗布し、焼付けることによ
り、耐熱性に優れ、さらに硬度の高いｔＪ￥膜が形成さ
れる。The thus obtained heat-resistant paint of the present invention can be coated onto a substrate such as a metal plate using a conventional method and baked to form a tJ\ film with excellent heat resistance and high hardness. Ru.
（作 用）
本発明の耐熱性塗料において、ポリボロシロキサン樹脂
を用いた塗料に、無機質充填剤の主成分としてステンレ
スフレークを用いているので、耐熱温度４００℃以−り
という優れた耐熱性を満足し、かつ可撓性を有しつつ高
硬度な塗膜が得られる。(Function) In the heat-resistant paint of the present invention, since stainless steel flakes are used as the main component of the inorganic filler in the paint using polyborosiloxane resin, it has excellent heat resistance with a heat-resistant temperature of 400°C or higher. A coating film with satisfactory flexibility and high hardness can be obtained.
〈実施例） 次に、本発明の実施例について説明する。<Example) Next, examples of the present invention will be described.
実施例
ポリボロシロキサン樹脂 ３０ｇシリコ
ーン樹脂 ７０ｇエタノール
１０ｇステンレスフレ
ーク・３１ＯＬ ２２（Ｊトルエン
３３（１各成分を［−記の
配合量により混合し、ボールミルで２０時間攪拌するこ
とによりｉ！ｊＪ熱性塗料を得た。Example Polyborosiloxane resin 30g Silicone resin 70g Ethanol 10g Stainless steel flakes・31OL 22(J toluene
33 (1) Each component was mixed in the amounts shown in [-] and stirred in a ball mill for 20 hours to obtain i!jJ thermal paint.
このようにして得た耐熱性塗料を、ステンレス（ＳＩＪ
Ｓ ３０４ ）板ニ塗布し、２００℃テ１０分間予備乾
燥を行った後、５００℃の温度で３０分間加熱焼成して
、塗膜を形成した。次いで、得られた塗膜の硬度、耐沸
騰水性、可撓性、耐ｆｆｉ撃性および耐湿性の各試験を
行った。その結果を次表に示す。The heat-resistant paint thus obtained was applied to stainless steel (SIJ).
S304) After coating on a plate and pre-drying at 200°C for 10 minutes, it was heated and baked at 500°C for 30 minutes to form a coating film. Next, the resulting coating film was tested for hardness, boiling water resistance, flexibility, ffi impact resistance, and moisture resistance. The results are shown in the table below.
また、本発明との比較のため、実施例におけるステンレ
スフレークの代りにチタン白を用いる以外は実施例と同
一条件で塗膜を形成し、同様の試験を行った。その結果
も合せて次表に示す。Further, for comparison with the present invention, a coating film was formed under the same conditions as in the example except that titanium white was used instead of the stainless steel flakes in the example, and the same test was conducted. The results are also shown in the table below.
（以下余白） なお、表中の各試験項１１は以下のようにして行った。(Margin below) In addition, each test item 11 in the table was conducted as follows.
■ 硬度：鉛箔硬度試験（ｊ９．により測定。■ Hardness: Measured by lead foil hardness test (j9.
■ 耐沸騰水性：沸騰水中に２時間浸）内稜の外観検査
。■ Boiling water resistance: immersion in boiling water for 2 hours) Appearance inspection of inner ridge.
■ 可視性： １８０’曲げによる曲部の直径。■ Visibility: Diameter of the bent part due to 180' bending.
■ 耐衝撃性： ３００ｇ、３０Ｃ１ａによる。■ Impact resistance: 300g, based on 30C1a.
■ 耐湿性＝６０°Ｃ１１００％！（１１の条件で２４
時間保持後の外観検査。■ Moisture resistance = 60°C 1100%! (24 with 11 conditions)
Visual inspection after time holding.
［発明の効果］
以上の実施例からも明らかなように本発明の耐熱性塗料
は、優れた耐熱性を有しているのみならず、得られる塗
膜の硬度も優れており、各種用途に広く適用することが
できる。[Effects of the Invention] As is clear from the above examples, the heat-resistant paint of the present invention not only has excellent heat resistance, but also has excellent hardness of the resulting coating film, making it suitable for various uses. Can be widely applied.
ｒ＋’、 ｓ？ｎ人 昭和電線電纜株式会社
代理人 弁理士 須 山 佐 −
（ばか１名）
手続補正書
昭和 ６と ８月２Ｂ日r+', s? n persons Showa Cable and Wire Co., Ltd. agent Patent attorney Suyama Sa - (1 idiot) Procedural amendments Showa 6 and August 2B
Claims (3)
とを有機溶剤に溶解または分散してなることを特徴とす
る耐熱性塗料。(1) A heat-resistant product made by dissolving or dispersing (a) a polyborosiloxane resin, (b) a silicone resin, and (c) an inorganic filler whose main component is stainless steel flakes in an organic solvent. paint.
囲であり、かつ最大長が２０μｍ以下である特許請求の
範囲第１項記載の耐熱性塗料。(2) The heat-resistant paint according to claim 1, wherein the stainless steel flakes have a long axis/thickness in the range of 2 to 20 μm and a maximum length of 20 μm or less.
たり、 （ロ）のシリコーン樹脂５〜５００重量部含有し、かつ
（イ）のポリボロシロキサン樹脂と（ロ）のシリコーン
樹脂の合計量１００重量部あたり、 （ハ）のステンレスフレークを主成分とする無機質充填
材５〜５００重量部含有する特許請求の範囲第１項また
は第２項記載の耐熱性塗料。(3) Contains 5 to 500 parts by weight of the silicone resin (B) per 100 parts by weight of the polyborosiloxane resin (A), and the total amount of the polyborosiloxane resin (A) and the silicone resin (B) is 100 parts by weight. The heat-resistant paint according to claim 1 or 2, which contains 5 to 500 parts by weight of the inorganic filler (c) whose main component is stainless steel flakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10721587A JPS63270768A (en) | 1987-04-30 | 1987-04-30 | Heat-resistant coating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10721587A JPS63270768A (en) | 1987-04-30 | 1987-04-30 | Heat-resistant coating composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63270768A true JPS63270768A (en) | 1988-11-08 |
Family
ID=14453406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10721587A Pending JPS63270768A (en) | 1987-04-30 | 1987-04-30 | Heat-resistant coating composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63270768A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024090583A1 (en) * | 2022-10-28 | 2024-05-02 | 国立研究開発法人産業技術総合研究所 | Inorganic material thick film and formation method therefor |
-
1987
- 1987-04-30 JP JP10721587A patent/JPS63270768A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024090583A1 (en) * | 2022-10-28 | 2024-05-02 | 国立研究開発法人産業技術総合研究所 | Inorganic material thick film and formation method therefor |
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