JPH0710962B2 - Epoxy resin powder composition for electrostatic coating and method for producing the same - Google Patents
Epoxy resin powder composition for electrostatic coating and method for producing the sameInfo
- Publication number
- JPH0710962B2 JPH0710962B2 JP3093447A JP9344791A JPH0710962B2 JP H0710962 B2 JPH0710962 B2 JP H0710962B2 JP 3093447 A JP3093447 A JP 3093447A JP 9344791 A JP9344791 A JP 9344791A JP H0710962 B2 JPH0710962 B2 JP H0710962B2
- Authority
- JP
- Japan
- Prior art keywords
- resin powder
- epoxy resin
- charge control
- powder composition
- control agent
- 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 - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は静電塗装用エポキシ樹脂
粉体組成物及びその製造方法に関するものである。FIELD OF THE INVENTION The present invention relates to an epoxy resin powder composition for electrostatic coating and a method for producing the same.
【０００２】[0002]
【従来の技術及びその問題点】従来、樹脂粉体塗料は省
資源、省エネルギー、公害対策等の観点から種々の用途
に用いられてきている。一方、前記樹脂粉体塗料の塗装
方法には、流動浸漬法、静電塗装法、散布法等がある
が、中でも静電塗装法は膜厚の管理の容易性、被塗装物
の予熱不用等から近年普及しはじめている。しかしなが
ら静電塗装において、樹脂の溶融時の膜厚を２５０〜３
００μｍ以上にしようとすると、塗装時に樹脂粉体同士
が静電反発を起し、塗膜表面が凸凹になる欠点がある。2. Description of the Related Art Conventionally, resin powder coatings have been used for various purposes from the viewpoints of resource saving, energy saving, pollution control, and the like. On the other hand, the coating method of the resin powder paint includes a fluidized-bed coating method, an electrostatic coating method, a spraying method, etc. Among them, the electrostatic coating method is easy to control the film thickness, does not require preheating of an object to be coated, Since then, it has become popular. However, in electrostatic coating, the film thickness when the resin is melted is 250 to 3
If it is made to be more than 00 μm, there is a drawback that the resin powder particles cause electrostatic repulsion during coating, and the coating film surface becomes uneven.
【０００３】このような欠点を改良するために、荷電制
御剤を用いることは知られている。この場合、帯電特性
の異った２つの種類の荷電制御剤を配合することによ
り、粉体の静電塗装時における付着性を一層向上させる
ことができるが、その付着性向上は未だ満足すべきもの
ではなかった。It is known to use charge control agents to remedy such drawbacks. In this case, by admixing two types of charge control agents having different charging characteristics, the adhesion of the powder during electrostatic coating can be further improved, but the improvement of the adhesion is still satisfactory. Was not.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、静電塗装時
における付着性の向上した静電塗装用エポキシ樹脂粉体
組成物及びその製造方法を提供することをその課題とす
る。SUMMARY OF THE INVENTION It is an object of the present invention to provide an epoxy resin powder composition for electrostatic coating having improved adhesion during electrostatic coating and a method for producing the same.
【０００５】[0005]
【課題を解決するための手段】本発明者らは、前記課題
を解決すべく鋭意研究を重ねた結果、相互に帯電特性の
異った２種類のアクリル樹脂粉体荷電制御剤をエポキシ
樹脂粉体組成物に配合するに際し、その２種類の荷電制
御剤を同時に配合せずに、あらかじめ、両者を別々にエ
ポキシ樹脂粉体組成物に配合して２種の混合物を得た
後、それら２種の混合物を混合して得られる混合物は、
静電塗装時の付着性において著しくすぐれていることを
見出し、本発明を完成するに至った。As a result of intensive studies to solve the above problems, the present inventors have found that two types of acrylic resin powder charge control agents having mutually different charging characteristics are replaced with epoxy resin powder. When blending into the body composition, the two types of charge control agents are not blended at the same time, but both are separately blended into the epoxy resin powder composition in advance to obtain two types of mixtures, and then the two types The mixture obtained by mixing the mixture of
It was found that the adhesiveness during electrostatic coating was remarkably excellent, and the present invention was completed.
【０００６】即ち、本発明によれば、固形エポキシ樹脂
と硬化剤を含有する粒度３〜１８０μｍ、体積抵抗率１
０7Ω・ｃｍ以上のエポキシ樹脂粉体組成物に、平均粒
径が０．０５〜１μｍであり、かつ相互に異った帯電特
性を有する２種類のアクリル樹脂粉体荷電制御剤Ａ及び
Ｂを各々配合したエポキシ樹脂粉体組成物において、第
１の荷電制御剤Ａをあらかじめ表面に付着させたエポキ
シ樹脂粉体組成物と、第２の荷電制御剤Ｂをあらかじめ
表面に付着させたエポキシ樹脂粉体組成物との混合物か
らなる静電塗装用エポキシ樹脂粉体組成物が提供され
る。また、本発明によれば、固形エポキシ樹脂と硬化剤
を含有する粒度３〜１８０μｍ、体積抵抗率１０7Ω・
ｃｍ以上のエポキシ樹脂粉体組成物に、平均粒径が０．
０５〜１μｍであり、かつ相互に異った帯電特性を有す
る２種類のアクリル樹脂粉体荷電制御剤Ａ及びＢを各々
配合したエポキシ樹脂粉体組成物を製造する方法におい
て、第１の荷電制御剤Ａをエポキシ樹脂粉体組成物にド
ライブレンドしてエポキシ樹脂粉体組成物の表面に第１
の荷電制御剤Ａを付着させた混合物Ａを作り、一方、第
２の荷電制御剤Ｂをエポキシ樹脂粉体組成物にドライブ
レンドしてエポキシ樹脂粉体組成物の表面に、第２の荷
電制御剤Ｂを付着させた混合物Ｂを作り、次いで両者の
混合物Ａ及びＢを混合することを特徴とする静電塗装用
エポキシ樹脂粉体組成物の製造方法が提供される。That is, according to the present invention, the particle size is 3 to 180 μm and the volume resistivity is 1 containing the solid epoxy resin and the curing agent.
Two types of acrylic resin powder charge control agents A and B having an average particle size of 0.05 to 1 μm and different charging characteristics in an epoxy resin powder composition of 0 7 Ω · cm or more An epoxy resin powder composition in which the first charge control agent A is previously attached to the surface and an epoxy resin powder composition in which the second charge control agent B is previously attached to the surface. There is provided an epoxy resin powder composition for electrostatic coating, which comprises a mixture with a powder composition. Further, according to the present invention, a solid epoxy resin and a curing agent are contained in a particle size of 3 to 180 μm and a volume resistivity of 10 7 Ω.
The average particle size is 0.
A first charge control method for producing an epoxy resin powder composition in which two types of acrylic resin powder charge control agents A and B having a charging property of from 0 to 1 μm and different from each other are mixed. Agent A is dry blended with the epoxy resin powder composition to form a first coating on the surface of the epoxy resin powder composition.
Mixture A to which the charge control agent A is attached, while the second charge control agent B is dry blended with the epoxy resin powder composition to form a second charge control on the surface of the epoxy resin powder composition. There is provided a method for producing an epoxy resin powder composition for electrostatic coating, which comprises preparing a mixture B to which an agent B is attached and then mixing the two mixtures A and B.
【０００７】本発明で用いられる固形エポキシ樹脂とし
ては、この種のエポキシ樹脂組成物に一般に用いられて
いるものが使用でき、この様なものとしては、例えばビ
スフェノールＡ型、ビスフェノールＳ型、ビスフェノー
ルＦ型、フェノールノボラック型、クレゾールノボラッ
ク型の各エポキシ樹脂、グリシジルエステル型エポキシ
樹脂、複素環型エポキシ樹脂、ハロゲン化エポキシ樹脂
等が挙げられる。これらのエポキシ樹脂は単独または混
合物の形で用いることができる。本発明で用いられるエ
ポキシ樹脂は室温で固形状を示せばよく、固形状エポキ
シ樹脂に適量の液状エポキシ樹脂を混合した常温で固体
状を示すものであってもよい。As the solid epoxy resin used in the present invention, those generally used in this kind of epoxy resin composition can be used. Examples of such solid resins include bisphenol A type, bisphenol S type and bisphenol F type. Type, phenol novolac type, cresol novolac type epoxy resin, glycidyl ester type epoxy resin, heterocyclic type epoxy resin, halogenated epoxy resin and the like. These epoxy resins can be used alone or in the form of a mixture. The epoxy resin used in the present invention may be solid at room temperature, or may be solid at room temperature by mixing a suitable amount of liquid epoxy resin with the solid epoxy resin.
【０００８】本発明で用いられる硬化剤としてはこの種
のエポキシ樹脂組成物に一般に用いられるもの、例えば
芳香族アミン系、酸無水物系、グアニジン系（ジシアン
ジアミド等）、イミダゾール系の硬化剤等が用いられ
る。As the curing agent used in the present invention, those generally used in this kind of epoxy resin composition, for example, aromatic amine type, acid anhydride type, guanidine type (dicyandiamide etc.), imidazole type curing agents, etc. Used.
【０００９】本発明におけるエポキシ樹脂粉体組成物は
前記成分の他、必要に応じて硬化促進剤、充填剤、顔料
等の公知の各種添加剤を配合しても差し支えない。この
エポキシ樹脂粉体組成物は、静電塗装特性の向上の点か
ら、その粒度を３〜１８０μｍの範囲に、またその体積
抵抗率を１０7Ω・ｃｍ以上に保持する必要がある。In addition to the above components, the epoxy resin powder composition of the present invention may contain various known additives such as a curing accelerator, a filler and a pigment, if necessary. From the viewpoint of improving electrostatic coating properties, this epoxy resin powder composition needs to have a particle size in the range of 3 to 180 μm and a volume resistivity of 10 7 Ω · cm or more.
【００１０】荷電制御剤は、粉体塗料の樹脂粉末の帯電
特性を制御する機能を有するものであり、本発明におい
てはアクリル樹脂の有機粉体が用いられる。また、その
配合量は、全エポキシ樹脂粉体組成物中、好ましくは
０．０１〜１０重量％、特に好ましくは０．１〜５重量
％である。本発明では、荷電制御剤としては、帯電特性
が相互に異った２種を用いる。帯電特性が相互に異った
２種類の荷電制御剤を得るには、アクリル樹脂粉体に対
して適当な表面処理を施すことによって得ることができ
る。この場合、表面処理法としては、有機物吸着処理、
熱処理、酸処理、アルカリ処理等の処理を挙げることが
できる。例えば、一方の粉体を有機酸で処理し、他方の
粉体を有機塩基で処理することにより、帯電特性が相互
に異った２種類の荷電制御剤を得ることができる。ま
た、一方の粉体を未処理とし、他方の粉体のみに表面処
理を施すことによっても、２種類の異なった帯電特性を
有する荷電制御剤を得ることができる。さらに、粉体に
対して、帯電特性の異なる２種類の有機物を吸着させる
ことによって、帯電性が相互に異った２種類の荷電制御
剤を得ることができる。荷電制御剤は、必ずしも同じ材
料から形成されている必要はなく、異った種類の材料か
ら形成されていてもよい。本発明では、異った材料から
形成されている相互に異った表面特性を有する２種類の
荷電制御剤を用いることもできる。The charge control agent has a function of controlling the charging characteristics of the resin powder of the powder coating material, and organic powder of acrylic resin is used in the present invention. In addition, the blending amount thereof is preferably 0.01 to 10% by weight, and particularly preferably 0.1 to 5% by weight, based on the total epoxy resin powder composition. In the present invention, two types of charge control agents having different charging characteristics are used. In order to obtain two kinds of charge control agents having different charging characteristics, they can be obtained by subjecting an acrylic resin powder to an appropriate surface treatment. In this case, as the surface treatment method, organic substance adsorption treatment,
Treatments such as heat treatment, acid treatment and alkali treatment can be mentioned. For example, by treating one powder with an organic acid and the other powder with an organic base, two types of charge control agents having different charging characteristics can be obtained. Further, by making one powder untreated and subjecting only the other powder to the surface treatment, two types of charge control agents having different charging characteristics can be obtained. Further, by adsorbing two kinds of organic substances having different charging characteristics to the powder, it is possible to obtain two kinds of charge control agents having mutually different charging properties. The charge control agents do not necessarily have to be formed of the same material, and may be formed of different types of materials. In the present invention, it is also possible to use two types of charge control agents formed of different materials and having mutually different surface characteristics.
【００１１】本発明で用いる好ましい荷電制御剤の例と
しては、正に帯電するアクリル樹脂粉体と、負に帯電す
るアクリル樹脂粉体との組合せが用いられる。アクリル
樹脂粉体については、その製造法によって、鉄との接触
において、正に帯電するものと、負に帯電するものとが
知られているが、本発明では、これらの２種のアクリル
樹脂粉体を用いることができる。アクリル樹脂として
は、アクリル酸やメタクリル酸のアルキルエステルの重
合体又は共重合体が用いられる。好ましくは、ポリメチ
ルメタクリレートやポリメチルアクリレートが用いられ
る。アクリル樹脂粉体としては、平均粒径が０．０５〜
１μｍ、好ましくは０．１５〜０．６μｍのものを用い
る。As a preferable example of the charge control agent used in the present invention, a combination of positively charged acrylic resin powder and negatively charged acrylic resin powder is used. Regarding the acrylic resin powder, it is known that those that are positively charged and those that are negatively charged in contact with iron are known by the manufacturing method, but in the present invention, these two kinds of acrylic resin powders are used. The body can be used. As the acrylic resin, a polymer or copolymer of an alkyl ester of acrylic acid or methacrylic acid is used. Preferably, polymethylmethacrylate or polymethylacrylate is used. The acrylic resin powder has an average particle size of 0.05 to
1 μm, preferably 0.15-0.6 μm is used.
【００１２】本発明のエポキシ樹脂粉体組成物を製造す
るには、先ず、平均粒径が０．０５〜１μｍであり、か
つ帯電特性が相互に異った２種類のアクリル樹脂粉体荷
電制御剤Ａ，Ｂを用意する。次に、その第１の荷電制御
剤Ａを粒度３〜１８０μｍ、体積抵抗率１０7Ω・ｃｍ
以上のエポキシ樹脂粉体組成物に配合し、ドライブレン
ド法により混合して、エポキシ樹脂粉体組成物の表面に
第１の荷電制御剤Ａが付着した混合物Ａを得る。一方、
その第２の荷電制御剤Ｂを前記エポキシ樹脂粉体組成物
に配合し、ドライブレンド法により混合し、エポキシ樹
脂粉体組成物の表面に第２の荷電制御剤Ｂが付着した混
合物Ｂを得る。これらの混合物Ａ及びＢにおいて、各荷
電制御剤Ａ，Ｂは、いずれもエポキシ樹脂粉体組成物の
粉体粒子の表面に強く付着結合したものである。In order to produce the epoxy resin powder composition of the present invention, first, two types of acrylic resin powder charge control having an average particle diameter of 0.05 to 1 μm and different charging characteristics from each other are controlled. Prepare agents A and B. Next, the first charge control agent A was added to have a particle size of 3 to 180 μm and a volume resistivity of 10 7 Ω · cm.
The mixture A is mixed with the above epoxy resin powder composition and mixed by a dry blending method to obtain a mixture A in which the first charge control agent A is attached to the surface of the epoxy resin powder composition. on the other hand,
The second charge control agent B is blended with the epoxy resin powder composition and mixed by a dry blending method to obtain a mixture B in which the second charge control agent B is attached to the surface of the epoxy resin powder composition. . In these mixtures A and B, the charge control agents A and B are both strongly adhered and bonded to the surface of the powder particles of the epoxy resin powder composition.
【００１３】次に、前記のようにして得られた混合物Ａ
及びＢをドライブレンド法により混合して、混合物を得
る。混合物Ａと混合物Ｂの割合は、通常、１／９〜９／
１、好ましくは約３／７〜７／３である。Next, the mixture A obtained as described above is used.
And B are mixed by a dry blending method to obtain a mixture. The ratio of the mixture A and the mixture B is usually 1/9 to 9 /
1, preferably about 3/7 to 7/3.
【００１４】[0014]
【発明の効果】本発明のエポキシ樹脂粉体組成物は、静
電塗装時における基体に対する付着性の著しく高められ
たものである。EFFECT OF THE INVENTION The epoxy resin powder composition of the present invention has significantly improved adhesion to a substrate during electrostatic coating.
【００１５】[0015]
【実施例】次に本発明を実施例によりさらに詳細に説明
する。EXAMPLES Next, the present invention will be described in more detail by way of examples.
【００１６】実施例１以下に示す配合素材を表１に示す
成分割合でドライブレンドしてエポキシ樹脂組成物の表
面にアクリル樹脂粉体が付着した混合物Ａ及び混合物Ｂ
を得、次いでこれらの混合物Ａ及びＢを均一に混合し
た。また、比較のために、表２に示す成分割合で一次に
ドライブレンドした。次にこのようにして得た粉体塗料
を以下のようにしてその性能評価を行った。その結果を
表３に示す。Example 1 Mixtures A and B in which acrylic resin powder was adhered to the surface of an epoxy resin composition by dry blending the compounding materials shown below in the proportions shown in Table 1
And then these mixtures A and B were mixed homogeneously. For comparison, primary components were dry blended in the proportions shown in Table 2. Next, the performance of the powder coating thus obtained was evaluated as follows. The results are shown in Table 3.
【００１７】（配合素材）（１）エポキシ樹脂粉体組成
物エポキシ樹脂粉体組成物（硬化剤含有）：エピフォー
ムＦ−２２１（ソマール社製）粒度９〜１６０μｍ体積
抵抗率４．０×１０15Ω・ｃｍ（２）アクリル樹脂粉体
正帯電型アクリル樹脂粉体：ＭＰ−２７０１（綜研化学
社製）粒径０．３５〜０．５μｍ負帯電型アクリル樹脂
粉体：ＭＰ−１０００（綜研化学社製）粒径０．３５〜
０．５μｍ(Compounding material) (1) Epoxy resin powder composition Epoxy resin powder composition (containing curing agent): Epiform F-221 (manufactured by Somar) Particle size 9 to 160 μm Volume resistivity 4.0 × 10 15 Ω · cm (2) Acrylic resin powder Positively charged acrylic resin powder: MP-2701 (manufactured by Soken Chemical Industry) Particle size 0.35 to 0.5 μm Negatively charged acrylic resin powder: MP-1000 (Souken) Chemical company) particle size 0.35
0.5 μm
【００１８】（性能評価）下記に示す素子（モーターア
マチュア）に下記に示す塗装機に一定の塗装条件で塗装
し、素子に対する樹脂の付着量及び素子のスロット内へ
の樹脂の入り込みを調べた。（１）素子（モーターアマ
チュア）コア径：２９ｍｍ、コア長：４０ｍｍコア幅：
２．０ｍｍ、スロット数：１０粉体はスロット部分にの
み塗装した。（２）塗装機静電流動浸漬塗装機（株）英
布製モデル３００（３）塗装条件印加電圧：５０ｋｖ流
動エアー圧力：０．２ｋｇ／ｃｍ2塗装時間：３０ｓｅ
ｃ素子のスロット内への粉体樹脂の入り込みの評価方法
は目視により以下の２段評価法で行った。○：良好
×：不良(Performance Evaluation) The following element (motor armature) was coated on a coating machine shown below under constant coating conditions, and the amount of resin adhering to the element and the penetration of resin into the slot of the element were examined. (1) Element (motor amateur) core diameter: 29 mm, core length: 40 mm Core width:
2.0 mm, number of slots: 10 Powder was applied only to the slot portion. (2) Coating machine Electrostatic fluidized immersion coating machine Model 300 manufactured by Eifu Co., Ltd. (3) Coating conditions Applied voltage: 50 kv Flowing air pressure: 0.2 kg / cm 2 Coating time: 30 se
The method of evaluating the intrusion of the powdered resin into the slot of the c element was visually conducted by the following two-stage evaluation method. ○: Good
×: defective
【００１９】[0019]
【表１】 [Table 1]
【００２０】[0020]
【表２】 ＊比較例を示す。[Table 2] * A comparative example is shown.
【００２１】[0021]
【表３】 ＊比較例を示す。[Table 3] * A comparative example is shown.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小野 和也 東京都中央区銀座四丁目11番２号 ソマー ル株式会社内 (72)発明者 北川 勝治 東京都中央区銀座四丁目11番２号 ソマー ル株式会社内 (56)参考文献 特開 昭59−59752（ＪＰ，Ａ) 特開 昭63−186776（ＪＰ，Ａ) 特開 昭56−24467（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuya Ono 4-11-2 Ginza, Chuo-ku, Tokyo Somer Co., Ltd. (72) Inventor Katsuji Kitagawa 4-11-2 Ginza, Chuo-ku, Tokyo Somer (56) References JP 59-59752 (JP, A) JP 63-186776 (JP, A) JP 56-24467 (JP, A)
Claims (4)
度３〜１８０μｍ、体積抵抗率１０7Ω・ｃｍ以上のエ
ポキシ樹脂粉体組成物に、平均粒径が０．０５〜１μｍ
であり、かつ相互に異った帯電特性を有する２種類のア
クリル樹脂粉体荷電制御剤Ａ及びＢを各々配合したエポ
キシ樹脂粉体組成物において、第１の荷電制御剤Ａをあ
らかじめ表面に付着させたエポキシ樹脂粉体組成物と、
第２の荷電制御剤Ｂをあらかじめ表面に付着させたエポ
キシ樹脂粉体組成物との混合物からなる静電塗装用エポ
キシ樹脂粉体組成物。1. An epoxy resin powder composition containing a solid epoxy resin and a curing agent, having a particle size of 3 to 180 μm and a volume resistivity of 10 7 Ω · cm or more, and an average particle size of 0.05 to 1 μm.
In the epoxy resin powder composition in which two kinds of acrylic resin powder charge control agents A and B having different charging characteristics are mixed, the first charge control agent A is attached to the surface in advance. An epoxy resin powder composition,
An epoxy resin powder composition for electrostatic coating, comprising a mixture with an epoxy resin powder composition having a second charge control agent B adhered to the surface thereof in advance.
樹脂粉体であり、該第２荷電制御剤Ｂが負帯電性アクリ
ル樹脂粉体である請求項１の組成物。2. The composition according to claim 1, wherein the first charge control agent A is a positively chargeable acrylic resin powder and the second charge control agent B is a negatively chargeable acrylic resin powder.
Ｂの合計量が、全エポキシ樹脂粉体組成物中、０．０１
〜１０重量％である請求項２の組成物。3. The total amount of the first charge control agent A and the second charge control agent B is 0.01 in the total epoxy resin powder composition.
The composition according to claim 2, which is from 10% by weight.
度３〜１８０μｍ、体積抵抗率１０7Ω・ｃｍ以上のエ
ポキシ樹脂粉体組成物に、平均粒径が０．０５〜１μｍ
であり、かつ相互に異った帯電特性を有する２種類のア
クリル樹脂粉体荷電制御剤Ａ及びＢを各々配合したエポ
キシ樹脂粉体組成物を製造する方法において、第１の荷
電制御剤Ａをエポキシ樹脂粉体組成物にドライブレンド
してエポキシ樹脂粉体組成物の表面に第１の荷電制御剤
Ａを付着させた混合物Ａを作り、一方、第２の荷電制御
剤Ｂをエポキシ樹脂粉体組成物にドライブレンドしてエ
ポキシ樹脂粉体組成物の表面に、第２の荷電制御剤Ｂを
付着させた混合物Ｂを作り、次いで両者の混合物Ａ及び
Ｂを混合することを特徴とする静電塗装用エポキシ樹脂
粉体組成物の製造方法。4. An epoxy resin powder composition containing a solid epoxy resin and a curing agent, having a particle size of 3 to 180 μm and a volume resistivity of 10 7 Ω · cm or more, and an average particle size of 0.05 to 1 μm.
And a method for producing an epoxy resin powder composition in which two types of acrylic resin powder charge control agents A and B having different charging characteristics are mixed, the first charge control agent A is Dry blending with the epoxy resin powder composition produces a mixture A in which the first charge control agent A is attached to the surface of the epoxy resin powder composition, while the second charge control agent B is added to the epoxy resin powder composition. Electrostatically characterized in that a mixture B having a second charge control agent B adhered to the surface of an epoxy resin powder composition by dry blending with the composition is prepared, and then the two mixtures A and B are mixed. A method for producing an epoxy resin powder composition for coating.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3093447A JPH0710962B2 (en) | 1991-03-29 | 1991-03-29 | Epoxy resin powder composition for electrostatic coating and method for producing the same |
| US07/811,137 US5204387A (en) | 1990-12-28 | 1991-12-20 | Epoxy powder coating composition for use in electrostatic coating |
| CA002058187A CA2058187A1 (en) | 1990-12-28 | 1991-12-20 | Epoxy powder coating composition for use in electrostatic coating |
| DE69118150T DE69118150T2 (en) | 1990-12-28 | 1991-12-23 | Epoxy powder coating composition that can be used for electrostatic coating |
| EP91311960A EP0493076B1 (en) | 1990-12-28 | 1991-12-23 | Epoxy powder coating composition for use in electrostatic coating |
| SG1996003046A SG48852A1 (en) | 1990-12-28 | 1991-12-23 | Epoxy powder coating composition for use in electrostatic coating |
| KR1019910024851A KR0148581B1 (en) | 1990-12-28 | 1991-12-28 | Epoxy powder coating composition for use in electrostatic coating |
| CN92101193A CN1056638C (en) | 1991-01-30 | 1992-01-30 | Epoxy powder coating composition for use in electrostatic coating |
| US07/960,815 US5319002A (en) | 1990-12-28 | 1992-10-14 | Epoxy powder coating composition for use in electrostatic coating |
| HK206896A HK206896A (en) | 1990-12-28 | 1996-11-14 | Epoxy powder coating composition for use in electrostatic coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3093447A JPH0710962B2 (en) | 1991-03-29 | 1991-03-29 | Epoxy resin powder composition for electrostatic coating and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04304273A JPH04304273A (en) | 1992-10-27 |
| JPH0710962B2 true JPH0710962B2 (en) | 1995-02-08 |
Family
ID=14082583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3093447A Expired - Fee Related JPH0710962B2 (en) | 1990-12-28 | 1991-03-29 | Epoxy resin powder composition for electrostatic coating and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710962B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0859033B1 (en) * | 1997-02-13 | 1999-06-23 | ILFORD Imaging Switzerland GmbH | Dyes for ink jet printing |
| WO2005063899A1 (en) * | 2003-12-25 | 2005-07-14 | Sk Kaken Co., Ltd. | Aqueous coating composition |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624467A (en) * | 1979-08-06 | 1981-03-09 | Nippon Paint Co Ltd | Pattern coating composition |
| JPS5959752A (en) * | 1982-09-30 | 1984-04-05 | Nitto Electric Ind Co Ltd | Thermosetting powder paint composition |
| JPS63186776A (en) * | 1987-01-28 | 1988-08-02 | Nippon Paint Co Ltd | Production of powder coating |
-
1991
- 1991-03-29 JP JP3093447A patent/JPH0710962B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04304273A (en) | 1992-10-27 |
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