JPS6225178A - Acrylic emulsion coating compound composition - Google Patents
Acrylic emulsion coating compound compositionInfo
- Publication number
- JPS6225178A JPS6225178A JP16431685A JP16431685A JPS6225178A JP S6225178 A JPS6225178 A JP S6225178A JP 16431685 A JP16431685 A JP 16431685A JP 16431685 A JP16431685 A JP 16431685A JP S6225178 A JPS6225178 A JP S6225178A
- Authority
- JP
- Japan
- Prior art keywords
- film
- acrylic emulsion
- water
- coating
- soluble 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
Abstract
Description
【発明の詳細な説明】
「技術分野」
本発明は、ＷｃＷｊ、質系建築板の塗装などに用いられ
るアクリル系エマルション塗料組成物に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to an acrylic emulsion coating composition used for coating WcWj, textured building boards, and the like.
［背景技術Ｊ
造膜温度が高いアクリルやスチレンアクリルのエマルシ
ョン（造膜温度；ＭＦＴ＝３０℃〜４０℃）を塗膜形成
主成分とする塗料においては、エマルジョン塗膜をより
良く形成させるために高沸点の溶媒など造膜助剤を配合
することがなされている。[Background Technology J] In paints whose film-forming main component is acrylic or styrene-acrylic emulsion (film-forming temperature; MFT = 30°C to 40°C), which has a high film-forming temperature, in order to form an emulsion film better, A film forming aid such as a high boiling point solvent is blended into the film.
この造膜助剤としてはブナルセロソルブやテキサノール
、エチレングリコールなどが使用され、通常塗料の全量
に対して１〜５重量％が配合されるもので、例えば次表
のような配合で使用されている。Bunal cellosolve, texanol, ethylene glycol, etc. are used as film-forming aids, and are usually mixed in an amount of 1 to 5% by weight based on the total amount of the paint.For example, they are used in the formulations shown in the following table. There is.
しかし、造膜助剤は高沸点であるために塗膜の乾燥後に
おいても！１！膜中に残り、耐光性や耐水性などの塗膜
性能が低下することになるという問題がある。そこで乾
燥効率が高い乾燥機を通して２００℃以上の高温で乾燥
をおこなわせるようにすると、造膜助剤の効果が出ず塗
膜にクラックが発生することになるものであった。However, since the film-forming agent has a high boiling point, even after the coating film has dried! 1! There is a problem in that it remains in the film and deteriorates coating film performance such as light resistance and water resistance. Therefore, if drying is carried out at a high temperature of 200° C. or higher through a dryer with high drying efficiency, the effect of the film-forming aid will not be obtained and cracks will occur in the coating film.
［発明の目的］
本発明は、上記の点に鑑みて為されたものであリ、造膜
助剤をｍいる必要なく良好な塗膜を与えることができ、
また高温乾燥においてもクラックが発生することなく塗
膜を形成することのできるアクリル系エマルシ１ン塗料
組成物を提供することを目的とするものである。[Object of the Invention] The present invention has been made in view of the above points, and can provide a good coating film without the need for a film-forming aid.
Another object of the present invention is to provide an acrylic emulsion coating composition that can form a coating film without cracking even when dried at high temperatures.
［発明の開示］
しかして本発明に係るアクリル系エマルノ１ン塗料組成
物は、アクリル系エマルジョンを塗膜形成主成分とし、
水溶性樹脂が配合されて成ることを特徴とするものであ
り、以下本発明の詳細な説明する。[Disclosure of the Invention] The acrylic emulsion paint composition according to the present invention contains an acrylic emulsion as a main component for forming a film,
The present invention is characterized in that it contains a water-soluble resin, and the present invention will be described in detail below.
アクリルやスチレンアクリルのエマルシヨンに水溶性樹
脂、及び水や体質顔料等を配合して本発明に係るアクリ
ル系エマルノ５ン塗料組成物が調製されるが、水溶性樹
脂としてはアクリル酸エステル樹脂やメタアクリル酸エ
ステル樹脂など水溶性アクリル樹脂を用いることができ
る。また水溶性樹脂の配合量は、アクリル系エマルジョ
ンとの合計量に対して固形分換算で１０〜６０重量％が
好ましい。The acrylic paint composition of the present invention is prepared by blending a water-soluble resin, water, extender pigment, etc. with an acrylic or styrene-acrylic emulsion. Water-soluble acrylic resins such as acrylic acid ester resins can be used. Further, the amount of water-soluble resin blended is preferably 10 to 60% by weight in terms of solid content based on the total amount with the acrylic emulsion.
そしてこのように水溶性樹脂を配合したアクリル系エマ
ルジョン塗料にあっては、水溶性樹脂は乾燥スピードが
遅くこの特性のために造膜助剤と同様な作用で良好なエ
マルジョン塗膜を形成させることができるものである。In the case of acrylic emulsion paints containing water-soluble resins, water-soluble resins have a slow drying speed, and because of this property, they act similarly to film-forming agents to form a good emulsion paint film. It is something that can be done.
従っで造膜助剤を用いるような必要がなくなり、造膜助
剤が乾燥塗膜に残って耐光性やｉｔ水性を低下させるよ
うなことを防止できることになる。また乾燥効率のため
に高温で乾燥する場合において、造膜助剤の替わりに水
溶性ｍ脂を用いた本発明の塗料では塗膜にクラックが生
じることを低減することができるものである。さらに、
アクリル系エマルジ１ンと水溶性樹脂との種類によって
、塗膜硬さなどの塗膜性能のコントロールが可能になる
ものである。Therefore, there is no need to use a film-forming agent, and it is possible to prevent the film-forming agent from remaining on the dried coating film and reducing light resistance and IT water resistance. Furthermore, when drying at high temperatures for drying efficiency, the paint of the present invention using water-soluble m fat instead of the film-forming agent can reduce the occurrence of cracks in the paint film. moreover,
Depending on the type of acrylic emulsion and water-soluble resin, coating film performance such as coating film hardness can be controlled.
次に本発明を実施例によってさらに説明する。Next, the present invention will be further explained by examples.
アクリル系エマルジ１ンとしてアクリルエマルジョンを
用い、また水溶性樹脂として水溶性アクリル樹脂を用い
、次表の配合で塗料をａ＊ｔ、−た。An acrylic emulsion was used as the acrylic emulsion, and a water-soluble acrylic resin was used as the water-soluble resin, and paints were prepared according to the formulations shown in the table below.
ここでアクリルエマルジョンは６．０〜９．０重量％の
範囲で、水溶性アクリル樹脂は１．０〜６．０重量％（
いずれも固形分換算）の範囲で両者の合計量が１０重量
％になるように配合した。Here, the acrylic emulsion is in the range of 6.0 to 9.0% by weight, and the water-soluble acrylic resin is in the range of 1.0 to 6.0% by weight (
Both were blended in such a range that the total amount of both was 10% by weight (in terms of solid content).
上記のようにして得た塗料で与えられるｍ膜は良好な外
観を有するものであった。またこの塗料におけるアクリ
ル系エマルジョンに対する水溶性樹脂の配合量（重量％
で表示）と塗膜にクラックが生じない乾燥温度との関係
を添付図面のグラフで示す。グラフの結果、１８０℃以
上の高温乾燥においでもクラックは発生せず、特に水溶
性樹脂の増量でクラックが発生しない乾燥温度が高くな
ることが確認される。The m-film provided by the paint obtained as described above had a good appearance. In addition, the amount of water-soluble resin (wt%) relative to the acrylic emulsion in this paint is
The graph in the attached drawing shows the relationship between the drying temperature (indicated by ) and the drying temperature at which no cracks occur in the coating film. As a result of the graph, it is confirmed that no cracks occur even when drying at a high temperature of 180° C. or higher, and in particular, increasing the amount of water-soluble resin increases the drying temperature at which no cracks occur.
［発明の効果］
上述のように本発明にあっては、アクリル系エマルジョ
ンを塗膜形成主成分とし、これに水溶性樹脂を配合した
ものであるから、水溶性樹脂は乾燥スピードが遅くこの
特性のために造膜助剤と同様な作用で良好なエマルジョ
ン塗膜を形成させることができ、造膜助剤を用いるよう
な必要がなくなって造膜助剤で塗膜性能を低下させるよ
うなおそれがないものであり、また高温で乾燥する場合
において塗膜にクラックが生じることを低減することが
できるものである。[Effects of the Invention] As mentioned above, the present invention uses an acrylic emulsion as the main component for forming a coating film, and a water-soluble resin is blended with this, so the water-soluble resin has a slow drying speed and this characteristic Therefore, it is possible to form a good emulsion coating film with the same effect as a coating aid, eliminating the need to use a coating aid and eliminating the risk that the coating film performance may be degraded by the coating aid. Furthermore, it is possible to reduce the occurrence of cracks in the coating film when drying at high temperatures.
図は水溶性樹脂の配合量と塗膜にクラックの生じない乾
燥温度との関係を示すグラフである。The figure is a graph showing the relationship between the amount of water-soluble resin blended and the drying temperature at which no cracks occur in the coating film.
Claims (1)
水溶性樹脂が配合されて成ることを特徴とするアクリル
系エマルジョン塗料組成物。(1) Acrylic emulsion is the main component for forming a coating film,
An acrylic emulsion paint composition characterized by containing a water-soluble resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16431685A JPS6225178A (en) | 1985-07-25 | 1985-07-25 | Acrylic emulsion coating compound composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16431685A JPS6225178A (en) | 1985-07-25 | 1985-07-25 | Acrylic emulsion coating compound composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6225178A true JPS6225178A (en) | 1987-02-03 |
Family
ID=15790830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16431685A Pending JPS6225178A (en) | 1985-07-25 | 1985-07-25 | Acrylic emulsion coating compound composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6225178A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6479270A (en) * | 1987-06-15 | 1989-03-24 | Nippon Paint Co Ltd | Highly moisture-permeable water-based coating composition |
| JP2002150843A (en) * | 2000-11-08 | 2002-05-24 | Mikuni Color Ltd | Conductive plastic sheet for carrier tape |
-
1985
- 1985-07-25 JP JP16431685A patent/JPS6225178A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6479270A (en) * | 1987-06-15 | 1989-03-24 | Nippon Paint Co Ltd | Highly moisture-permeable water-based coating composition |
| JP2002150843A (en) * | 2000-11-08 | 2002-05-24 | Mikuni Color Ltd | Conductive plastic sheet for carrier tape |
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