JPH0638939B2 - Laminated coating - Google Patents
Laminated coatingInfo
- Publication number
- JPH0638939B2 JPH0638939B2 JP60297048A JP29704885A JPH0638939B2 JP H0638939 B2 JPH0638939 B2 JP H0638939B2 JP 60297048 A JP60297048 A JP 60297048A JP 29704885 A JP29704885 A JP 29704885A JP H0638939 B2 JPH0638939 B2 JP H0638939B2
- Authority
- JP
- Japan
- Prior art keywords
- coating film
- coating
- paint
- wet
- swelling ratio
- 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
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は塗膜を積層することによって、防食、耐候性等
の性能を期待する二輪車、自動車等に関する。TECHNICAL FIELD The present invention relates to a motorcycle, an automobile, etc. which are expected to have performances such as corrosion resistance and weather resistance by laminating coating films.
従来技術 従来の積層塗膜の設計においては塗料の耐溶剤性を考慮
していなかった。2. Description of the Related Art In the conventional design of a laminated coating film, the solvent resistance of the paint was not taken into consideration.
このためウエット オン ウエットで塗装すると上層塗
料が下層塗膜を膨潤させて、局部的な艶ひけや塗膜のヘ
コミ現象を起こしていた。For this reason, when applying wet-on-wet, the upper-layer paint swelled the lower-layer coating film, causing localized luster and a dent phenomenon of the coating film.
発明の目的 本発明はウエット オン ウエットで塗装する塗膜に発
生しやすい欠陥、特にヘコミを解消することを目的とし
ている。OBJECT OF THE INVENTION It is an object of the present invention to eliminate defects, especially dents, which are likely to occur in a coating film applied wet-on-wet.
また、平滑な塗膜を形成するために自動車等で通常要求
される性能性状を低下させないことが必要なのは勿論で
ある。In addition, it is needless to say that it is not necessary to reduce the performance properties normally required in automobiles and the like in order to form a smooth coating film.
発明の構成 本発明は下層塗膜(W1)、上層塗膜(W2)及びトップ塗膜
(T)による積層塗膜においてウエット オン ウエット
塗装された二層の塗膜が下層塗膜(W1)を基準とする上層
塗膜(W2)の膨潤率が±３％以内にして、ヘコミ等の塗膜
欠陥の無い塗膜を形成する事にある。Structure of the invention The present invention is a lower layer coating (W 1 ), an upper layer coating (W 2 ) and a top coating
In the laminated coating film by (T), the two-layer coating film which was wet-on-wet coated had the swelling ratio of the upper coating film (W 2 ) based on the lower coating film (W 1 ) within ± 3%, and The purpose is to form a coating film free from coating film defects such as.
本発明を実施するに当たり、一般的な塗装系を示せば次
ぎのとうりである。In carrying out the present invention, a general coating system is as follows.
まず、下塗りとして、電着塗料等のプライマー、更に、
中塗り一回、次ぎに、中塗りと上塗りの機能を補助する
補助中塗りを１〜２回、最後に上塗り１〜２回を塗装す
る。First, as a primer, a primer such as electrodeposition paint,
One intermediate coating, then one or two auxiliary intermediate coatings for assisting the functions of the intermediate coating and the top coating, and finally one or two top coatings.
これらの工程は中塗り（含む補助中塗り）、または上塗
りの二回塗りで適宜２コート１ベーク（以下２ｃ１ｂ）
される。In these steps, intermediate coating (including auxiliary intermediate coating) or double coating of top coating is appropriately applied with 2 coats and 1 bake (hereinafter referred to as 2c1b).
To be done.
本発明は中塗りで２ｃ１ｂ方式で塗装する場合に発生す
るヘコミを解消するために次ぎの手段が有効であること
を見出し、本発明を完成するに至ったものである。The present invention has completed the present invention by finding that the following means is effective for eliminating the dents that occur when the 2c1b method is used for intermediate coating.
すなわち、本発明では２ｃ−１Ｂで形成された中塗り塗
膜上に上塗り塗装を施すが、該上塗りに含有されている
溶剤に対する耐溶剤性を考慮し、ウエット オン ウエ
ットにより形成される塗膜の膨潤率を一定範囲にするこ
とにより、積層された塗膜の成膜性を良好な状態に保つ
ため下層塗膜(W1)、上層塗膜(W2)及びトップ塗膜(T)に
よる積層塗膜においてウエット オン ウエット（以下
ｗ／ｗ）塗装された二層の塗膜が下層塗膜(W1)を基準と
して上層塗膜(W2)の膨潤率が±３％以内であることを特
徴としている。好ましい態様としては、下層塗膜(W1)及
び上層塗膜(W2)が中塗塗膜である。That is, in the present invention, the overcoating is applied on the intermediate coating film formed by 2c-1B. Considering the solvent resistance to the solvent contained in the overcoating, the coating film formed by the wet-on-wet method is used. By keeping the swelling ratio within a certain range to keep the film forming properties of the laminated coating film in a good state, the lower coating film (W 1 ), the upper coating film (W 2 ) and the top coating film (T) are laminated. In the coating film, the two-layer coating film applied wet-on-wet (hereinafter w / w) should have a swelling ratio of ± 3% or less based on the lower coating film (W 1 ) as the upper coating film (W 2 ). It has a feature. In a preferred embodiment, the lower coating film (W 1 ) and the upper coating film (W 2 ) are intermediate coating films.
膨潤率が−３％未満であると上塗り後にダスト部が凸に
なる欠陥が生じ、また、＋３％を越えるとダスト部が凹
になる点で好ましくない。好ましい範囲は−１〜＋２％
である。When the swelling ratio is less than -3%, the dust portion becomes convex after overcoating, and when it exceeds + 3%, the dust portion becomes concave, which is not preferable. The preferred range is -1 to + 2%
Is.
膨潤率の調整は体質顔料ペーストで行う。The swelling ratio is adjusted with the extender paste.
ここに体質顔料ペーストとは体質顔料、樹脂、溶剤等か
ら構成される。The extender pigment paste is composed of extender pigment, resin, solvent and the like.
まず、体質顔料は次ぎのような、硫酸バリウム微粉末、
珪酸アルミ等吸水性及び吸油性の少ない種類のものが好
ましい事が判明した。更に、体質顔料ペーストには微量
の二酸化チタン等の着色顔料を配合することも出来る。First, extender pigments are the following barium sulfate fine powder,
It has been found that a material having a low water-absorbing property and oil-absorbing property such as aluminum silicate is preferable. Further, a slight amount of a coloring pigment such as titanium dioxide can be added to the extender pigment paste.
樹脂は後述の塗料を構成するビヒクルと同種類のものが
簡便である。It is convenient to use the same type of resin as the vehicle that constitutes the paint described below.
体質顔料はビヒクルの中へ分散され、溶剤で粘度を調整
して、塗料の膨潤率を調整するために用いられる。The extender pigment is dispersed in a vehicle and is used for adjusting the viscosity by a solvent to adjust the swelling ratio of the paint.
体質顔料ペーストの製造自体は通常の塗料を製造する場
合と同様であり、サンドグラインド ミル等の分散機が
用いられる。The production of the extender pigment paste itself is the same as in the case of producing an ordinary paint, and a dispersing machine such as a sand grind mill is used.
この体質顔料ペーストは塗料中の顔料分組成よりも顔料
分を多く配合しておくことが膨潤率の調整にとって必要
である。In order to adjust the swelling rate, it is necessary to mix the extender pigment paste with a larger pigment content than the pigment composition in the paint.
なぜならば、膨潤率を低下させるには顔料分の増加を、
また、膨潤率を増加させるには、顔料分を減らすのが一
般的な膨潤率の調整方法となるからである。Because, to decrease the swelling rate, increase the pigment content,
Further, in order to increase the swelling rate, reducing the pigment content is a general method for adjusting the swelling rate.
この体質顔料ペーストは別途通常の塗料として、設計製
造された塗料に、攪拌機等により混合され膨潤率を調整
する。This extender pigment paste is separately added as a normal paint to a paint designed and manufactured by a stirrer or the like to adjust the swelling ratio.
通常の塗料とは着色顔料、体質顔料、ビヒクル、溶剤等
からなる。Ordinary paints include color pigments, extender pigments, vehicles, solvents and the like.
まず、ビヒクル成分としては自動車塗料等に用いられる
通常のアルコール、天然油成分等と酸成分を用いたアル
キド樹脂、油成分を含まないポリエステル樹脂、アクリ
ル樹脂、メチルあるいはブチルエーテル化メラミン樹脂
等である。First, as the vehicle component, there are usual alcohols used for automobile paints, alkyd resins using natural oil components and acid components, polyester resins containing no oil components, acrylic resins, methyl or butyl etherified melamine resins, and the like.
塗料に予め配合される顔料類としては酸化チタン、カー
ボンブラック、アルミニウム粉、酸化鉄、アゾ系、フタ
ロシアニン系、キナクリドン系、ペリレン系等の各種有
機顔料等であり、酸化チタンの場合は40〜50重量％ま
で、また、その他の顔料においては10〜20％以内であ
る。The pigments that are pre-blended in the paint include various organic pigments such as titanium oxide, carbon black, aluminum powder, iron oxide, azo-based, phthalocyanine-based, quinacridone-based, and perylene-based, and in the case of titanium oxide 40-50 Up to% by weight, and within other pigments 10-20%.
更に塗料に常用されるアルコール系、エステル系、エー
テル系、ケトン系、アミン系、ハロゲン化炭化水素、脂
肪族炭化水素、芳香族炭化水素等の各種溶剤が使用でき
る。Further, various solvents such as alcohol, ester, ether, ketone, amine, halogenated hydrocarbons, aliphatic hydrocarbons and aromatic hydrocarbons which are commonly used in paints can be used.
なお、添加剤としては通常両塗料に添加するものであれ
ば適宜配合できる。The additives may be appropriately added as long as they are usually added to both paints.
評価方法 膨潤率の測定 ７×15cmの化成処理を施した試験板に塗料を膜厚30μ
（乾燥膜厚以下同様）に塗装し、140℃で20分間焼付け
た。Evaluation method Measurement of swelling rate Paint film thickness of 30μ on a test plate that has been subjected to 7 × 15 cm chemical conversion treatment.
(The same applies below the dry film thickness) and was baked at 140 ° C for 20 minutes.
次ぎに、下記配合の焼付硬化型塗料用シンナーの中へ浸
漬し、60分間保持した。Next, it was dipped in a baking curing type paint thinner having the following composition and held for 60 minutes.
肉眼による艶引けと凹凸程度の判定 ◎ 艶引け、チヂミ全くなく ○ 艶引け、チヂミほとんどなし △ 艶引け、チヂミあり × 実用性なし 実施例 下層塗膜(W1)を形成する中塗塗料として、オルガOS-90
シーラー（日本ペイント社製ポリエステル樹脂系熱硬化
型塗料）PWC55％膨潤率11.81％を用いた。 Shrinkage determination ◎ gloss of about gloss shrinkage and irregularities with the naked eye, shrinkage shrinkage without any ○ gloss, shrinkage almost no △ shrinkage gloss, as intermediate coating to form a shrinkage there × practicality without example lower coat layer (W 1), Olga OS-90
A sealer (polyester resin-based thermosetting paint manufactured by Nippon Paint Co., Ltd.) PWC 55% swelling rate 11.81% was used.
また、上層塗膜(W2)を形成する補助中塗塗料としてオル
ガOS-90シーラートモイロの各色に、下記の配合からな
る体質顔料ペーストを添加した塗料を用いた。Further, as an auxiliary intermediate coating material for forming the upper coating film (W 2 ), a coating material in which an extender pigment paste having the following composition was added to each color of Olga OS-90 Sealat Moyro was used.
体質顔料ペーストは珪酸アルミ顔料を33.7％を含有する
オルガOS-90シーラートモイロ（チョウ）Ａペーストを
用いた。As the extender pigment paste, an Olga OS-90 Sealate Moiro (Chou) A paste containing 33.7% of an aluminum silicate pigment was used.
比較例 体質顔料ペーストの配合量を替えた他の実施例と同様に
して試験を行った。 Comparative Example A test was conducted in the same manner as in the other examples in which the blending amount of the extender pigment paste was changed.
前記の塗膜は静電塗装機、スプレーガン等で塗装し溶剤
フラッシュ オフした後ウエット オン ウエットで塗
装した。前記塗膜をセッティング後、１４０℃、３０分
で焼付乾燥後、中塗後の凹凸を評価し、その後、トップ
塗膜(T)としてスーパーラックＭ−７０各色（日本ペイ
ント社製アクリル樹脂系熱硬化型塗料）を塗装し、１４
０℃で３０分焼付乾燥後、上塗後の凹凸を評価した。 The above coating film was applied with an electrostatic coating machine, a spray gun, etc., solvent flash off, and then wet on wet application. After setting the coating film, baking and drying at 140 ° C. for 30 minutes, the unevenness after the intermediate coating was evaluated, and then each color of Superlac M-70 as a top coating film (T) (acrylic resin type thermosetting manufactured by Nippon Paint Co., Ltd.) Type paint) 14
After baking and drying at 0 ° C. for 30 minutes, the unevenness after top coating was evaluated.
発明の効果 従来、塗膜凹凸及び艶引けに対して添加剤を用いて調整
していたが、本発明の膨潤率を調整することにより、塗
膜が平滑であり、また、艶引け等のない塗膜を得ること
ができた。EFFECTS OF THE INVENTION Conventionally, an additive was used to adjust the unevenness and glossiness of the coating film, but by adjusting the swelling ratio of the present invention, the coating film is smooth and there is no glossiness or the like. A coating film could be obtained.
この結果、艶引け、塗膜のチヂミ、メタリック塗膜で発
生するチカチカ等のトラブルを防止することができた。As a result, it was possible to prevent problems such as glossiness, bleeding of the coating film, and flicker generated in the metallic coating film.
更に、膨潤率の調整は試験段階で確認でき、生産性の向
上の面からも優れた発明である。Furthermore, the adjustment of the swelling ratio can be confirmed at the test stage, which is an excellent invention from the viewpoint of improving productivity.
Claims (2)
膜(T)による積層塗膜において、ウエット オン ウエ
ット塗装された二層の塗膜が下層塗膜(W1)を基準として
上層塗膜(W2)の膨潤率が±３％以内であることを特徴と
する積層塗膜。1. A laminated coating film comprising a lower coating film (W 1 ), an upper coating film (W 2 ) and a top coating film (T), wherein two wet-on-wet coating films are lower coating films (W A laminated coating film, wherein the swelling ratio of the upper coating film (W 2 ) is within ± 3% based on 1 ).
及び上層塗膜(W2)が中塗塗膜であることを特徴とする積
層塗膜。2. The lower layer coating film (W 1 ) according to claim 1 .
And the upper coating film (W 2 ) is an intermediate coating film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60297048A JPH0638939B2 (en) | 1985-12-27 | 1985-12-27 | Laminated coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60297048A JPH0638939B2 (en) | 1985-12-27 | 1985-12-27 | Laminated coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62152840A JPS62152840A (en) | 1987-07-07 |
| JPH0638939B2 true JPH0638939B2 (en) | 1994-05-25 |
Family
ID=17841536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60297048A Expired - Lifetime JPH0638939B2 (en) | 1985-12-27 | 1985-12-27 | Laminated coating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638939B2 (en) |
-
1985
- 1985-12-27 JP JP60297048A patent/JPH0638939B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62152840A (en) | 1987-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4096069B2 (en) | Multi-layer coat lacquer painting method | |
| JPH11503064A (en) | Multi-layer coating method | |
| EP0839073B1 (en) | Multi-coat painting process | |
| JP2002086057A (en) | Double-layered metallic coating film formation method | |
| JP2908695B2 (en) | Repair paint and method of repairing bright coating film | |
| JPH08157753A (en) | Paint for repairing coating film containing luster and repair method | |
| JP4290837B2 (en) | Method for forming metallic coating film | |
| JPH1149993A (en) | High hiding white solid coating composition and coating method using the same | |
| JP2002205007A (en) | Repair method for white multi-layer coatings | |
| JP2001009364A (en) | Repair method of metallic coating | |
| JPH0638939B2 (en) | Laminated coating | |
| JP4143193B2 (en) | Method for forming laminated coating film | |
| JPH06254484A (en) | Formation of metallic film | |
| JPH10192776A (en) | Formation of double layer coating film | |
| JP3987156B2 (en) | Multi-layer coating method | |
| JP3783090B2 (en) | Car overcoating method | |
| JPS6075369A (en) | Intermediate painting method | |
| JPH11181356A (en) | High concealing solid coating composition for inner plate coating and continuous coating method using the same | |
| JP2849012B2 (en) | Painting method | |
| JPS61162567A (en) | Intercoating coating | |
| JPH0829297B2 (en) | Painting method | |
| JPH035226B2 (en) | ||
| JP2959755B2 (en) | How to paint a car body | |
| JP3035674B2 (en) | Paint finishing method | |
| JP2002126638A (en) | Repair method for laminated coating film and automobile or automobile parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |