JPS5919154B2 - powder coating composition - Google Patents
powder coating compositionInfo
- Publication number
- JPS5919154B2 JPS5919154B2 JP51118468A JP11846876A JPS5919154B2 JP S5919154 B2 JPS5919154 B2 JP S5919154B2 JP 51118468 A JP51118468 A JP 51118468A JP 11846876 A JP11846876 A JP 11846876A JP S5919154 B2 JPS5919154 B2 JP S5919154B2
- Authority
- JP
- Japan
- Prior art keywords
- powder coating
- halogenated
- coating composition
- dust explosion
- powder
- 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
Links
Description
【発明の詳細な説明】
本発明は粉体塗料組成物に関し、更に詳しくは粉塵爆発
を起しにくい耐粉塵爆発性粉体塗料組成物に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a powder coating composition, and more particularly to a dust explosion-resistant powder coating composition that is less likely to cause dust explosions.
粉体塗料は熱硬化性又は熱可塑性の樹脂を主体とし、こ
れに、必要に応じ、顔料、硬化糺 その他の添加剤を加
えて混合し、粉体状にした塗料で揮発成分を含まないの
で、塗装作業環境の改善、大気汚染公害の防止などの利
点をもち、更に塗膜性能にすぐれた塗料として知られて
いる。Powder coatings are mainly composed of thermosetting or thermoplastic resins, and are mixed with pigments, curing glue, and other additives as necessary, and are made into powder, and do not contain volatile components. It has advantages such as improving the painting work environment and preventing air pollution, and is also known as a paint with excellent coating performance.
しかしながら、粉体塗料は、例えば静電塗装中或いは粉
体塗料の生産及び取扱い過程において、スパークなどに
より粉塵爆発を起すおそれがあるという欠点をもつ。However, powder coatings have the disadvantage that they can cause dust explosions due to sparks, for example during electrostatic coating or during the production and handling of powder coatings.
従つて本発明の目的は、このような粉体塗料の欠点を排
除し、粉塵爆発を起しにくい耐粉塵爆発性粉体塗料組成
物を提供することにある。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to eliminate such drawbacks of powder coatings and to provide a dust explosion-resistant powder coating composition that is less likely to cause dust explosions.
本発明に従つて耐粉塵爆発性粉体塗料組成物は、ハロゲ
ン化アルキルアクリレート、ハロゲン化アルコールエス
テル、ハロゲン化ジイソシアネート、ハロゲン化アンチ
モン及びハロゲン化酸無水物の群から選ばれた少なくと
も一種の粉塵爆発防止性化合物を０．５〜５０重量％含
む粉体粒子から成る。The dust explosion resistant powder coating composition according to the invention comprises at least one dust explosion resistant powder selected from the group of halogenated alkyl acrylates, halogenated alcohol esters, halogenated diisocyanates, halogenated antimony and halogenated acid anhydrides. It consists of powder particles containing from 0.5 to 50% by weight of an inhibitory compound.
本発明の粉体塗料組成物に組み込まれる粉塵爆発防止性
化合物としては、例えば、２−ブロモエチルアクリレー
ト、２−クロロエチルアクリレートなどのハロゲン化ア
ルキルアクリレート、不飽和臭化アルコールエステルな
どのハロゲン化アルコールエステル、モノブロモトリレ
ンジイソシアネートなどのハロゲン化イソシアネート、
臭化アンチモン、オキシ塩化アンチモンなどのハロゲン
化アンチモン、及びテトラ臭化無水フタル酸などのハロ
ゲン化酸無水物などをあげることができる。その他塩化
ビニル樹脂、塩素化ポリエチレン樹月臥臭素化エポキシ
樹脂などのようなハロゲン元素を含有するビニル樹脂ポ
リエチレン樹脂 エポキシ樹脂、アクリル樹脂、ポリエ
ステル樹脂なども或る程度の粉塵爆発防止作用をもつ。
粉塵爆発防止性化合物の配合量は、通常全粉体塗料組成
物重量当り０．５乃至５０重量％、好ましくは３〜２０
重量％とする。Examples of the dust explosion-preventing compound incorporated into the powder coating composition of the present invention include halogenated alkyl acrylates such as 2-bromoethyl acrylate and 2-chloroethyl acrylate, and halogenated alcohols such as unsaturated brominated alcohol esters. esters, halogenated isocyanates such as monobromotolylene diisocyanate,
Examples include antimony halides such as antimony bromide and antimony oxychloride, and halogenated acid anhydrides such as tetrabrominated phthalic anhydride. Other vinyl resins containing halogen elements such as vinyl chloride resin, chlorinated polyethylene resin, brominated epoxy resin, polyethylene resin, epoxy resin, acrylic resin, polyester resin, etc. also have a certain degree of dust explosion prevention effect.
The amount of the dust explosion-preventing compound is usually 0.5 to 50% by weight, preferably 3 to 20% by weight, based on the weight of the entire powder coating composition.
Weight%.
この配合量が０．５重量％未満では粉塵爆発防止作用が
顕著でなく、また５０重量％を超えると粉体塗料塗膜の
塗膜性能に悪影響を及ぽすので好ましくない。本発明の
粉体塗料組成物は通常の粉体塗料と同様にして容易に製
造することができる。If the amount is less than 0.5% by weight, the effect of preventing dust explosions will not be significant, and if it exceeds 50% by weight, it will have an adverse effect on the coating performance of the powder coating film, which is not preferred. The powder coating composition of the present invention can be easily produced in the same manner as ordinary powder coatings.
例えば、エポキシ樹風ポリエステル樹脂、アクリル樹脂
などの熱硬化性樹脂又はアクリル樹月臥ポリアミド樹月
臥ポリエチレン樹飄ポリエステル樹脂などの熱可塑性樹
脂に前記粉塵爆発防止性化合物を所定量配合し、更に必
要な添加剤（例えば、顔料、硬化剤、硬化促進剤、染料
、流動調整剤、艶消剤、帯電防止剤など）を配合して適
当なミキサーでドライブレンドし、次にエクストルーダ
一などでメルトブレンドし、更に冷却後、機械的に粉砕
して篩分けして製造することができる。このようにして
製造した本発明の粉体塗料組成物は最小点火エネルギー
が従来の粉体塗料組成物に比して著しく高く、極めて粉
塵爆発を起しにくく、また形成塗膜は難燃性となる。For example, a predetermined amount of the above-mentioned dust explosion-preventing compound is blended into a thermosetting resin such as epoxy tree-like polyester resin, acrylic resin, or thermoplastic resin such as acrylic tree-like polyester resin, tree-like polyamide, tree-like polyester resin, etc. Additives (e.g., pigments, curing agents, curing accelerators, dyes, fluidity regulators, matting agents, antistatic agents, etc.) are mixed and dry blended using a suitable mixer, and then melt blended using an extruder, etc. After further cooling, it can be manufactured by mechanically crushing and sieving. The powder coating composition of the present invention produced in this manner has a significantly higher minimum ignition energy than conventional powder coating compositions, is extremely resistant to dust explosions, and the formed coating film is flame retardant. Become.
本発明の耐粉塵爆発性粉体塗料組成物は静電塗装用粉体
塗料や流動浸漬用粉体塗料として従来の粉体塗料と同様
にして塗装することができる。以下に本発明の実施例を
説明する。The dust explosion-resistant powder coating composition of the present invention can be applied as a powder coating for electrostatic coating or a powder coating for fluidized dipping in the same manner as conventional powder coatings. Examples of the present invention will be described below.
実施例
第１表に示す実験番号１〜１２（実験番号１〜５が本発
明例で他は比較例）の組成の配合物をスーパーミキサー
で乾式混合したのち、エクストルーダ一を用ｂ）て１０
０℃にて溶融混合し、吐出物をボールミルで粉砕した。Example The compositions of experiment numbers 1 to 12 (experiment numbers 1 to 5 are examples of the present invention and the others are comparative examples) shown in Table 1 were dry mixed in a super mixer, and then mixed using an extruder (b).
The mixture was melted and mixed at 0° C., and the discharged material was pulverized using a ball mill.
この粉砕品を１５０メツシユの金網でふるつてそれぞれ
の粉体塗料組成物を調製した。このようにして調製した
各粉体塗料組成物のそれぞれについてハルトマン型ふき
上げ式粉塵爆発測定装置（国富電気ＫＫ製）を用いて最
小点火エネルギーを測定した。Each powder coating composition was prepared by sifting the pulverized product through a 150-mesh wire mesh. The minimum ignition energy of each of the powder coating compositions prepared in this way was measured using a Hartmann type blow-up dust explosion measuring device (manufactured by Kunitomi Electric KK).
結果は、第１表に示す通り、実験番号１〜５及び１２の
粉体塗料の最小点火エネルギーは３０００ミリジュール
以上（３０００ミリジュール以上は測定不可）であつた
のに対し、粉塵爆発防止性化合物を配合しない又は配合
量の少ない実験番号６〜１１の粉体塗料の最小点火エネ
ルギーは２０〜４８ミリジュールと低く、本発明の効果
が明瞭である。また上のようにして調製した実験番号１
〜１２の粉体塗料を静電粉体塗装機（サメス社製 スタ
ージェットガン ＪＲ−５０）にてリン酸亜鉛処理した
ＳＰＣ鋼板テストピース（０．８１１Ｘ５０１１×２０
０１１）上に塗装し、２００℃の乾燥炉で２０分間焼付
けて形成塗膜の仕上り外観を肉眼で検査した。As shown in Table 1, the minimum ignition energy of the powder coatings in Experiment Nos. 1 to 5 and 12 was 3000 millijoules or more (measurable above 3000 millijoules), while the dust explosion prevention property was The minimum ignition energy of the powder coatings of Experiment Nos. 6 to 11 in which no compound was blended or a small amount of compound was blended was as low as 20 to 48 millijoules, and the effect of the present invention is clear. Experiment number 1 prepared as above
SPC steel plate test piece (0.811 x 5011 x 20
011) was coated on top and baked in a drying oven at 200° C. for 20 minutes, and the finished appearance of the formed coating film was visually inspected.
結果を第１表に示す。The results are shown in Table 1.
Claims (1)
コールエステル、ハロゲン化ジイソシアネート、ハロゲ
ン化アンチモン及びハロゲン化酸無水物の群から選ばれ
た少くとも一種の粉塵爆発防止性化合物を０．５〜５０
重量％含む粉体粒子から成る耐粉塵爆発性粉体塗料組成
物。1 At least one dust explosion-preventing compound selected from the group of halogenated alkyl acrylates, halogenated alcohol esters, halogenated diisocyanates, halogenated antimony and halogenated acid anhydrides.
A dust explosion-resistant powder coating composition consisting of powder particles containing % by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51118468A JPS5919154B2 (en) | 1976-10-04 | 1976-10-04 | powder coating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51118468A JPS5919154B2 (en) | 1976-10-04 | 1976-10-04 | powder coating composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5343732A JPS5343732A (en) | 1978-04-20 |
| JPS5919154B2 true JPS5919154B2 (en) | 1984-05-02 |
Family
ID=14737405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51118468A Expired JPS5919154B2 (en) | 1976-10-04 | 1976-10-04 | powder coating composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5919154B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234840A (en) * | 1985-08-08 | 1987-02-14 | Tokishige Mori | Seat belt cover |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19959288C2 (en) * | 1999-12-09 | 2002-01-24 | Clariant Gmbh | Improved pigment preparations in terms of safety |
| JP2005509698A (en) * | 2001-11-22 | 2005-04-14 | フイルメニツヒ ソシエテ アノニム | Perfumed or flavored microcapsules containing fire retardant |
| ATE500811T1 (en) * | 2004-10-01 | 2011-03-15 | Firmenich & Cie | PERFUMED OR FLAVORING MICRO CAPSULES WITH AN EXPLOSION SUPPRESSOR |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4884850A (en) * | 1972-02-04 | 1973-11-10 | ||
| JPS495133A (en) * | 1972-04-28 | 1974-01-17 | ||
| JPS5290576A (en) * | 1976-01-23 | 1977-07-29 | Nissan Chemical Ind Ltd | Process for powder painting |
-
1976
- 1976-10-04 JP JP51118468A patent/JPS5919154B2/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4884850A (en) * | 1972-02-04 | 1973-11-10 | ||
| JPS495133A (en) * | 1972-04-28 | 1974-01-17 | ||
| JPS5290576A (en) * | 1976-01-23 | 1977-07-29 | Nissan Chemical Ind Ltd | Process for powder painting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234840A (en) * | 1985-08-08 | 1987-02-14 | Tokishige Mori | Seat belt cover |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5343732A (en) | 1978-04-20 |
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