JPH0443116B2 - - Google Patents
Info
- Publication number
- JPH0443116B2 JPH0443116B2 JP61267689A JP26768986A JPH0443116B2 JP H0443116 B2 JPH0443116 B2 JP H0443116B2 JP 61267689 A JP61267689 A JP 61267689A JP 26768986 A JP26768986 A JP 26768986A JP H0443116 B2 JPH0443116 B2 JP H0443116B2
- Authority
- JP
- Japan
- Prior art keywords
- epoxy resin
- weight
- parts
- paint
- tar
- 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
- 239000003822 epoxy resin Substances 0.000 claims description 83
- 229920000647 polyepoxide Polymers 0.000 claims description 83
- 239000003973 paint Substances 0.000 claims description 80
- 229920005989 resin Polymers 0.000 claims description 31
- 239000011347 resin Substances 0.000 claims description 31
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 29
- 239000000839 emulsion Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229940021013 electrolyte solution Drugs 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000007774 longterm Effects 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
- 238000007788 roughening Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Description
［産業上の利用分野］
本発明は耐久性エポキシ樹脂塗料に関するもの
である。
［従来の技術］
従来から、鉄、銅、アルミニウム、ステンレス
等の表面を化粧する塗料において、耐久性を求め
て各種の塗料が提案されているが、ガソリン、ケ
トンあるいは原油、強酸、強アルカリ等の薬品に
対し耐久性のある塗料は少なく、しいて挙げると
すれば、わずかにエポキシ樹脂塗料等を挙げるこ
とができる。しかしながら、当該エポキシ樹脂塗
料であつても、その塗料面は長期の使用に耐える
ものではなかつた。また食品用塗料は、きびしい
規格に合格しなければ使用できないので、食品用
に適した塗料は極めて限られている。
本出願人は先に、ステンレス含有エポキシ樹脂
塗料（特願昭59−162872号）、コンクリート塗装
方法（特願昭60−115414号）、電極板（特願昭60
−277937号）、耐薬品性塗膜形成方法（特願昭61
−25974号）、電極板（特願昭61−79242号）、耐酸
塗膜形成方法（特願昭61−114683号）等を出願し
ているが、本発明はこれら出願に係る発明と関連
する発明である。
［発明が解決しようとする問題点］
上記のように従来は、ガソリン、ケトンあるい
は原油、強酸、強アルカリ等の薬品に長期間耐え
るエポキシ樹脂塗料がなかつたので、更に耐久性
のある塗料が要望されているという問題点があつ
た。
本発明はこのような問題点を解決し、ガソリ
ン、ケトンあるいは原油、強酸、強アルカリ等の
薬品に長期間耐え、しかも食品用として適した耐
久性エポキシ樹脂塗料を提供することを目的とす
る。
［問題点を解決するための手段］
本発明に係る耐久性エポキシ樹脂塗料は、上記
のような従来の問題点を解決し、本発明の目的を
達成するために、次のように構成したことを特徴
とする。
すなわち、塩化ビニリデン系樹脂エマルジヨン
が0.5〜10重量％、エポキシ樹脂塗料が99.5〜90
重量％から成る塗料であつて、エポキシ樹脂100
重量部に対して塩化ビニリデン系樹脂を0.3〜12
重量部の割合で含有して成ることを特徴とする。
本発明に係る耐久性エポキシ樹脂塗料は、エポ
キシ樹脂塗料と塩化ビニリデン系樹脂エマルジヨ
ンとから成る。塩化ビニリデン系樹脂エマルジヨ
ンとしては、例えば、旭化成工業株式会社製のサ
ランラテツクスＲタイプL321（商標）を挙げるこ
とができる。このエマルジヨンは樹脂含有量が43
〜47重量％のものである。なお当該塩化ビニリデ
ン系樹脂エマルジヨンは硬化剤を含まないエポキ
シ樹脂塗料と混合される。
エポキシ樹脂100重量部に対して、塩化ビニリ
デン系樹脂が12重量部を越えると、エポキシ樹脂
との親和性が悪くなり、所期の効果を達成するこ
とができず、また塩化ビニリデン系樹脂が0.3重
量部未満では耐久性の効果が充分でない。なお、
エポキシ樹脂塗料に対し塩化ビニリデン系樹脂エ
マルジヨンの添加量は３％程度が最も適当であ
る。また塩化ビニリデン系樹脂エマルジヨンを含
有する本発明に係る耐久性エポキシ樹脂塗料の溶
剤としては、エチレングリコールモノメチルエー
テルが良好である。
エポキシ樹脂塗料としては、各種市販されてい
るエポキシ樹脂塗料を使用することができる。ま
たエポキシ樹脂例えばシエル化学株式会社製造の
エピコート（商標）を使用して製造した塗料等も
使用することができる。
市販のエポキシ樹脂塗料としては、例えば大日
本塗料株式会社製造のエポニツクス＃10クリヤー
（商標、エポキシ樹脂分46重量％）を挙げること
ができる。またエピコート（商標）の場合エピコ
ート828を使用すれば無溶剤塗料が得られる。エ
ピコート1001を使用する場合には溶剤を使用する
が、当該溶剤を含む塗料では［エピコート＋硬化
剤＋溶剤］の重量に対し［エピコート＋硬化剤］
の重量が50〜70重量％を占めるのが通例である。
従つて本発明においては［エピコート＋硬化剤＋
溶剤］の重量に対し［エピコート＋硬化剤］の重
量が45〜70重量％を占める。この塗料99.5〜90重
量％と塩化ビニリデン系樹脂を43〜47重量％含有
するエマルジヨン0.5〜10重量％とから成る塗料
は、エポキシ樹脂100重量部に対して塩化ビニリ
デン系樹脂を0.3〜12重量部の割合で含有するこ
とになる。
なお、当該エポキシ樹脂塗料としては、タール
を５％乃至30％含有するタールエポキシ樹脂塗料
等の変成エポキシ樹脂塗料であつても差支えな
い。タールエポキシ樹脂塗料としては、各種市販
のものを使用することができると共にエポキシ樹
脂例えばシエル化学株式会社製造のエピコート
（商標）を使用して製造した塗料等も使用するこ
とができる。
市販のタールエポキシ樹脂塗料としては、例え
ば大日本塗料株式会社製造のSDCコート＃401、
＃402（商標）を挙げることができる。これらの塗
料は不揮発分約67〜74重量％の中タールを約17〜
37重量％含有しているので、エポキシ樹脂100重
量部に対してタールを約23〜54重量部の割合で含
有していることになる。また後述する実施例５の
ように市販のエポキシ樹脂塗料を混合することに
よつてエポキシ樹脂100重量部に対してタールを
約11重量部の割合で含有するものも得られ、これ
も使用することができる。従つて、本発明におい
てはエポキシ樹脂100重量部に対してタールを15
〜50重量部の割合で含有するものが使用できる。
更にシエル化学株式会社製造のエピコート（商
標）のタールエポキシ樹脂塗料の使用例もある
が、これらの中のエポキシ樹脂100重量部に対し
てタールを15〜50重量部の割合で含有するものも
使用できる。
本発明に係る耐久性エポキシ樹脂塗料は、使用
に当つてエポキシ樹脂塗料の硬化剤を加えて常法
により塗料する。うすめる場合は溶剤としてエチ
レングリコールモノメチルエーテルが適してい
る。
［実施例 １］
本発明に係る耐久性エポキシ樹脂塗料として、
塩化ビニリデン系樹脂エマルジヨンが３重量部、
エピコート1001（商標、シエル化学株式会社製造）
を65重量％含有するエポキシ樹脂塗料が97重量部
から成る塗料を使用した。この塗膜の組成は、エ
ポキシ樹脂が97×0.65＝63重量部、塩化ビニリデ
ン系樹脂が３×0.45＝1.4重量部であるから、エ
ポキシ樹脂100重量部に対し、塩化ビニリデン系
樹脂が2.1重量部となる。試験方法としては、
JWWA Ｋ−115水道用タールエポキシ樹脂塗料
塗装方法の溶解試験の方法により試験水を作成し
た。ただし水は水道水を使用した。
結果は次の第１表、第２表の通りであり、水道
法に基づく水質基準（昭和53年厚生省例第56号）
に適合し、本発明に係る耐久性エポキシ樹脂塗料
は食品用として適する。
[Industrial Field of Application] The present invention relates to durable epoxy resin coatings. [Conventional technology] Various types of paints have been proposed for decorative coatings on the surfaces of iron, copper, aluminum, stainless steel, etc. in order to improve their durability. There are few paints that are resistant to chemicals such as epoxy resin paints. However, even with the epoxy resin paint, the paint surface could not withstand long-term use. In addition, food-grade paints must meet strict standards before they can be used, so the number of paints suitable for food use is extremely limited. The present applicant has previously developed a stainless steel-containing epoxy resin paint (Japanese Patent Application No. 162,872/1983), a concrete coating method (Japanese Patent Application No. 115,414/1982), an electrode plate (Japanese Patent Application No. 1983/1986),
-277937), Chemical-resistant coating film formation method (Patent application No. 1983)
-25974), an electrode plate (Japanese Patent Application No. 79242/1982), and a method for forming an acid-resistant coating film (Japanese Patent Application No. 114683/1983), etc., and the present invention is related to the inventions related to these applications. It is an invention. [Problems to be solved by the invention] As mentioned above, there has been no epoxy resin paint that can withstand chemicals such as gasoline, ketones, crude oil, strong acids, and strong alkalis for a long period of time, so there is a need for a more durable paint. There was a problem that it was being done. The object of the present invention is to solve these problems and provide a durable epoxy resin paint that can withstand chemicals such as gasoline, ketones, crude oil, strong acids, and strong alkalis for a long period of time and is suitable for food use. [Means for Solving the Problems] The durable epoxy resin paint according to the present invention has the following configuration in order to solve the conventional problems as described above and achieve the object of the present invention. It is characterized by That is, the vinylidene chloride resin emulsion is 0.5 to 10% by weight, and the epoxy resin paint is 99.5 to 90% by weight.
Paint consisting of 100% by weight of epoxy resin
0.3 to 12 parts by weight of vinylidene chloride resin
It is characterized in that it is contained in a proportion of parts by weight. The durable epoxy resin paint according to the present invention comprises an epoxy resin paint and a vinylidene chloride resin emulsion. Examples of the vinylidene chloride resin emulsion include Saran Latex R Type L321 (trademark) manufactured by Asahi Kasei Corporation. This emulsion has a resin content of 43
~47% by weight. Note that the vinylidene chloride resin emulsion is mixed with an epoxy resin paint containing no curing agent. If the vinylidene chloride resin exceeds 12 parts by weight with respect to 100 parts by weight of the epoxy resin, the affinity with the epoxy resin will deteriorate, making it impossible to achieve the desired effect; If the amount is less than parts by weight, the durability effect will not be sufficient. In addition,
The most appropriate amount of vinylidene chloride resin emulsion added to the epoxy resin paint is about 3%. Ethylene glycol monomethyl ether is also suitable as a solvent for the durable epoxy resin paint according to the present invention containing a vinylidene chloride resin emulsion. As the epoxy resin paint, various commercially available epoxy resin paints can be used. Also usable are paints produced using epoxy resins such as Epicoat (trademark) manufactured by Ciel Chemical Co., Ltd. Examples of commercially available epoxy resin paints include Eponics #10 Clear (trademark, epoxy resin content: 46% by weight) manufactured by Dainippon Toyo Co., Ltd. In the case of Epicoat (trademark), a solvent-free paint can be obtained by using Epicoat 828. When using Epicoat 1001, a solvent is used, but for paints containing the solvent, the weight of [Epikoat + hardening agent + solvent] is [Epikoat + hardening agent]
It is customary for the weight of the metal to account for 50 to 70% by weight.
Therefore, in the present invention, [Epicoat + curing agent +
The weight of [Epicoat + hardening agent] occupies 45 to 70% by weight with respect to the weight of [solvent]. This paint consists of 99.5 to 90% by weight of paint and 0.5 to 10% by weight of emulsion containing 43 to 47% by weight of vinylidene chloride resin, and 0.3 to 12 parts by weight of vinylidene chloride resin to 100 parts by weight of epoxy resin. It will be contained in the proportion of The epoxy resin paint may be a modified epoxy resin paint such as a tar epoxy resin paint containing 5% to 30% tar. Various commercially available tar epoxy resin paints can be used, and paints manufactured using epoxy resins such as Epicoat (trademark) manufactured by Ciel Chemical Co., Ltd. can also be used. Commercially available tar epoxy resin paints include, for example, SDC coat #401 manufactured by Dainippon Toyo Co., Ltd.
#402 (trademark) can be mentioned. These paints contain about 17% to 74% medium tar with a non-volatile content of about 67% to 74% by weight.
Since it contains 37% by weight, tar is contained in a ratio of about 23 to 54 parts by weight per 100 parts by weight of epoxy resin. Furthermore, by mixing commercially available epoxy resin paints, as in Example 5 described below, a paint containing about 11 parts by weight of tar per 100 parts by weight of epoxy resin can be obtained, and this can also be used. Can be done. Therefore, in the present invention, 15 parts of tar is added to 100 parts by weight of epoxy resin.
50 parts by weight can be used.
Furthermore, there are examples of the use of Epicoat (trademark) tar epoxy resin paints manufactured by Ciel Chemical Co., Ltd. Among these, paints containing tar at a ratio of 15 to 50 parts by weight per 100 parts by weight of epoxy resin are also used. can. When using the durable epoxy resin paint according to the present invention, a curing agent for epoxy resin paint is added and the paint is applied in a conventional manner. When diluting, ethylene glycol monomethyl ether is suitable as a solvent. [Example 1] As a durable epoxy resin paint according to the present invention,
3 parts by weight of vinylidene chloride resin emulsion,
Epicote 1001 (trademark, manufactured by Ciel Chemical Co., Ltd.)
A paint consisting of 97 parts by weight of epoxy resin paint containing 65% by weight of was used. The composition of this coating film is 97 x 0.65 = 63 parts by weight of epoxy resin and 3 x 0.45 = 1.4 parts by weight of vinylidene chloride resin, so 2.1 parts by weight of vinylidene chloride resin per 100 parts by weight of epoxy resin. becomes. The test method is
Test water was prepared according to the dissolution test method of JWWA K-115 water tar epoxy resin paint coating method. However, tap water was used. The results are shown in Tables 1 and 2 below, and are based on water quality standards based on the Water Supply Act (Ministry of Health and Welfare Example No. 56 of 1978).
The durable epoxy resin paint according to the present invention is suitable for food use.
【表】【table】
【表】【table】
【表】
［実施例 ２］
基材として、ホツトコイル製または熱延鋼板で
ある黒皮の鉄板を使用する。当該鉄板の表面を脱
脂した後、その面にステンレス含有エポキシ樹脂
塗料を塗装して下塗塗装を形成する。下塗塗装部
の上に実施例１と同様の本発明に係る耐久性エポ
キシ樹脂塗料を塗装する。
かくして形成された塗装面は、碁盤目試験を行
つたところ、100／100であつて良好であつた。ま
た、水道水で１時間煮沸したところ、表面に白色
のうすい色が付く程度で殆ど異常がなかつた。更
に、煮沸後碁盤目試験を行つたところ、50／100
であつて良好であつた。
またメチルエチルケトン（純度99％以上）に25
日以上浸漬しても異常がなかつた。ガソリンの場
合には60日以上、原油の場合には６箇月以上浸漬
しても異常がなかつた。
［実施例 ３］
アルミニウム製の電極板の周囲に、まず市販の
エポキシ樹脂塗料を常法により下塗塗装し、当該
下塗塗装の上に、塩化ビニリデン系樹脂エマルジ
ヨンが３重量部、市販の大日本塗料株式会社製造
のエポニツクス＃10クリヤー（商標、エポキシ樹
脂分46重量％）なるエポキシ樹脂塗料が97重量部
からなる本発明に係る耐久性エポキシ樹脂塗料を
塗装する。この塗膜の組成は、エポキシ樹脂が97
×0.46＝45重量部、塩化ビニリデン系樹脂が３×
0.45＝1.4重量部であるから、エポキシ樹脂100重
量部に対し、塩化ビニリデン系樹脂が3.1重量部
となる。当該塗装は１回の塗装で充分な場合もあ
るが、数回塗り重ねる方が耐久性が向上する。エ
ポキシ樹脂塗料は顔塗料を含有していても差支え
ないが、出来得ればクリヤーが望ましい。
電極板に使用した場合、塩化ビニリデン系樹脂
エマルジヨンの添加量が多くなるに従つて高温の
電解液にも耐えるようになる。例えば、エポキシ
樹脂塗料に対する添加量が３％では約50度Ｃに充
分耐えるが、約70度Ｃでは添加量を６〜８％とし
ないと耐久性が充分でない。添加量が10％を越え
ると、塩化ビニリデン系樹脂エマルジヨンとエポ
キシ樹脂塗料との混和性が悪くなり、また添加量
が0.5％未満では、塩化ビニリデン系樹脂エマル
ジヨンの効果が充分でない。塩化ビニリデン系樹
脂エマルジヨンは、酸によるダメージを防止する
ことと、温度による伸縮耐久性を向上させる効果
があるものと考えられる。塩化ビニリデン系樹脂
エマルジヨンを添加することにより、電極板の温
度による伸縮と塗装部の温度による伸縮とが同程
度となり、密着力が保持されて、剥離が起きない
こととなるものと考えられる。
上記のようにして電極板の周囲に下塗を１回、
上塗を５回塗装（膜厚600μ）して製造したアル
ミニウム製の電極板を使用して、亜鉛の精錬を行
つた。硫酸濃度は15％、電解液の温度は約45度
Ｃ、電流は20KAの条件である。結果は、従来の
塩化ビニールシートを接着した場合よりも寿命が
長く、良い結果が得られた。
［実施例 ４］
アルミニウム製の電極板の周囲に、まず下塗と
して、エポキシ樹脂60重量部、タール20重量部、
溶剤20重量部からなるタールエポキシ樹脂塗料
（塗膜はタールを約25％含有、すなわちエポキシ
樹脂100重量部に対してタールを約33重量部を含
有）を塗装する。
上記下塗塗装面の上に、塩化ビニリデン系樹脂
エマルジヨンが３重量部、上記タールエポキシ樹
脂塗料が97重量部からなる本発明に係る耐久性エ
ポキシ樹脂塗料を塗装する。この塗膜の組成は、
エポキシ樹脂が97×0.60＝58重量部、タールが97
×0.20＝19重量部、塩化ビニリデン系樹脂が３×
0.45＝1.4重量部であるから、エポキシ樹脂100重
量部に対し、タールが33重量部、塩化ビニリデン
系樹脂が2.4重量部となる。
下塗を１回、上塗を５回塗装（膜厚600μ）し
て製造したアルミニウム製の電極板を使用して、
亜鉛の精錬を行つた。硫酸濃度は15％、電解液の
温度は約45度Ｃ、電流は20KAの条件である。結
果は、従来の塩化ビニールシートを接着した場合
よりも寿命が長く、良い結果が得られた。
［実施例 ５］
鉄板、銅板、アルミニウム板をそれぞれ脱脂、
目荒らし後、下塗としてタールエポキシ樹脂塗料
（塗膜はタールを約10％含有）を塗装する。当該
タールエポキシ樹脂塗料は市販のタールエポキシ
樹脂塗料（塗膜はタールを約25％含有）と市販の
エポキシ樹脂塗料とを略等量混合したものであ
る。タールエポキシ樹脂塗料の塗装は、使用に当
つて硬化剤を加え常法により塗装する。
上記下塗塗装面の上に、塩化ビニリデン系樹脂
エマルジヨンが３重量部、市販の大日本塗料株式
会社製造のエポニツクス＃10クリヤー（商標、エ
ポキシ樹脂分46重量％）なるエポキシ樹脂塗料が
97重量部からなる本発明に係る耐久性エポキシ樹
脂塗料を塗装する。使用に当つては硬化剤を加え
て常法により塗装する。この塗膜の組成は、エポ
キシ樹脂が97×0.46＝45重量部、塩化ビニリデン
系樹脂が３×0.45＝1.4重量部であるから、エポ
キシ樹脂100重量部に対し、塩化ビニリデン系樹
脂が3.1重量部となる。
上記のようにして、下塗を１回、上塗を１回塗
装してテストピースを作成し、沸騰させた12％塩
酸に浸漬し、一定時間後に塗膜の剥離等の性状を
調べ、カツターナイフにより切込んで膜の硬さを
調べ、碁盤目試験により密着性を調べた。
鉄板：150分の浸漬に耐え、膜の硬さは強靱で、
碁盤目試験を行つたところ、100／100で密着性も
非常に良かつた。
銅板：180分の浸漬に耐え、膜の硬さは強靱で、
碁盤目試験を行つたところ、100／100で密着性も
非常に良かつた。タールエポキシ樹脂塗料（塗膜
はタールを約25％含有）を下塗塗装に使用した場
合も良好で、180分の浸漬に耐え、膜の硬さは強
靱で、碁盤目試験を行つたところ、100／100で密
着性も非常に良かつた。
アルミニウム板：180分の浸漬に耐え、膜の硬
さは強靱で、碁盤目試験を行つたところ、100／
100で密着性も非常に良かつた。
［実施例 ６］
実施例５と同様のビニリデン系樹脂エマルジヨ
ンが３重量部、市販の大日本塗料株式会社製造の
エポニツクス＃10クリヤー（商標、エポキシ樹脂
分46重量％）なるエポキシ樹脂塗料が97重量部か
らなる本発明に係る耐久性エポキシ樹脂塗料を使
用した。
苛性ソーダ濃度20％、温度50度Ｃの条件で試験
したところ、40日間全く異常がなかつた。また硫
酸濃度20％、温度50度Ｃの条件で試験したとこ
ろ、40日間後に部分的にフクレの発生が認められ
た。これらの結果は従来の塗料より優れたもので
あつた。
［発明の効果］
本発明に係る耐久性エポキシ樹脂塗料は上記の
ように構成されているので、第１に水道法に基づ
く水質基準（昭和53年厚生省例第56号）に適合
し、食品用として適するという効果を有する。第
２に、ガソリン、ケトンあるいは原油に長期間耐
える塗装面を形成することができるという効果を
有する。また第３に、鉄、銅、アルミニウム、ス
テンレス等の基材面に、硫酸、塩酸等の強酸に長
期間耐える塗装面を形成することができ、しかも
安価に形成することができるという効果を有す
る。第４に、電極板に使用した場合、従来の塩化
ビニールシートを接着した場合よりも寿命が長
く、良い結果が得られるという効果を有する。こ
のように本発明に係る耐久性エポキシ樹脂塗料は
耐久性のある塗料である。[Table] [Example 2] A black iron plate made of hot coil or hot rolled steel plate is used as the base material. After degreasing the surface of the iron plate, a stainless steel-containing epoxy resin paint is applied to the surface to form an undercoat. A durable epoxy resin paint according to the present invention similar to that in Example 1 is applied over the undercoat area. When the thus formed painted surface was subjected to a grid test, it was found to be 100/100, which was good. Also, when boiled in tap water for 1 hour, there was almost no abnormality except for a pale white color on the surface. Furthermore, when we conducted a grid test after boiling, the result was 50/100.
It was good. In addition, methyl ethyl ketone (purity of 99% or more) contains 25
There were no abnormalities even after soaking for more than a day. No abnormalities were observed even after immersing gasoline for over 60 days and crude oil for over 6 months. [Example 3] First, a commercially available epoxy resin paint was applied as an undercoat around the aluminum electrode plate using a conventional method, and on top of the undercoat, 3 parts by weight of vinylidene chloride resin emulsion and commercially available Dainippon Paint were applied. A durable epoxy resin paint according to the present invention consisting of 97 parts by weight of Eponics #10 Clear (trademark, epoxy resin content: 46% by weight) manufactured by Co., Ltd. is applied. The composition of this coating is 97% epoxy resin.
×0.46=45 parts by weight, vinylidene chloride resin is 3×
Since 0.45=1.4 parts by weight, the amount of vinylidene chloride resin is 3.1 parts by weight for 100 parts by weight of epoxy resin. Although it may be sufficient to apply the coating once, the durability will be improved if the coating is repeated several times. The epoxy resin paint may contain a face paint, but a clear one is preferable if possible. When used in an electrode plate, the greater the amount of vinylidene chloride resin emulsion added, the more it can withstand high-temperature electrolyte solutions. For example, if the amount added to the epoxy resin paint is 3%, it will withstand temperatures of about 50 degrees Celsius, but at about 70 degrees Celsius, the durability will not be sufficient unless the amount added is 6 to 8%. If the amount added exceeds 10%, the compatibility between the vinylidene chloride resin emulsion and the epoxy resin paint will deteriorate, and if the amount added is less than 0.5%, the effect of the vinylidene chloride resin emulsion will not be sufficient. Vinylidene chloride resin emulsion is thought to have the effect of preventing damage caused by acids and improving durability against expansion and contraction due to temperature. It is believed that by adding the vinylidene chloride resin emulsion, the expansion and contraction due to temperature of the electrode plate and the expansion and contraction due to temperature of the coated area are the same, maintaining adhesion and preventing peeling. Apply one coat of primer around the electrode plate as above,
Zinc was refined using an aluminum electrode plate manufactured by applying a topcoat five times (film thickness 600μ). The conditions were that the sulfuric acid concentration was 15%, the electrolyte temperature was approximately 45 degrees Celsius, and the current was 20 KA. The results showed better results and a longer lifespan than when bonding conventional vinyl chloride sheets. [Example 4] First, as an undercoat, 60 parts by weight of epoxy resin, 20 parts by weight of tar,
A tar epoxy resin paint consisting of 20 parts by weight of a solvent (the coating film contains about 25% tar, that is, about 33 parts by weight of tar per 100 parts by weight of epoxy resin) is applied. A durable epoxy resin paint according to the present invention consisting of 3 parts by weight of vinylidene chloride resin emulsion and 97 parts by weight of the tar epoxy resin paint is applied onto the undercoated surface. The composition of this coating is
Epoxy resin is 97 x 0.60 = 58 parts by weight, tar is 97
×0.20=19 parts by weight, vinylidene chloride resin is 3×
Since 0.45=1.4 parts by weight, tar is 33 parts by weight and vinylidene chloride resin is 2.4 parts by weight for 100 parts by weight of epoxy resin. Using an aluminum electrode plate manufactured by applying one coat of primer and five coats of top coat (film thickness 600μ),
Conducted zinc smelting. The conditions were that the sulfuric acid concentration was 15%, the electrolyte temperature was approximately 45 degrees Celsius, and the current was 20 KA. The results showed better results and a longer lifespan than when bonding conventional vinyl chloride sheets. [Example 5] Degreasing an iron plate, a copper plate, and an aluminum plate, respectively.
After roughening, a tar epoxy resin paint (the coating film contains approximately 10% tar) is applied as an undercoat. The tar epoxy resin paint is a mixture of approximately equal amounts of a commercially available tar epoxy resin paint (the coating film contains about 25% tar) and a commercially available epoxy resin paint. When applying tar epoxy resin paint, a curing agent is added before use and the paint is applied using a conventional method. On top of the above-mentioned undercoated surface, 3 parts by weight of vinylidene chloride resin emulsion and a commercially available epoxy resin paint called Eponics #10 Clear (trademark, epoxy resin content 46% by weight) manufactured by Dainippon Toyo Co., Ltd. were applied.
A durable epoxy resin paint according to the invention consisting of 97 parts by weight is applied. When in use, add a hardening agent and apply in a conventional manner. The composition of this coating is 97 x 0.46 = 45 parts by weight of epoxy resin and 3 x 0.45 = 1.4 parts by weight of vinylidene chloride resin, so 3.1 parts by weight of vinylidene chloride resin per 100 parts by weight of epoxy resin. becomes. As described above, a test piece was prepared by applying one coat of undercoat and one coat of topcoat, and was immersed in boiling 12% hydrochloric acid. After a certain period of time, the properties of the coating film, such as peeling, were examined, and then cut with a cutter knife. The hardness of the film was investigated using a grid test, and the adhesion was investigated using a grid test. Iron plate: It can withstand immersion for 150 minutes, and the hardness of the film is strong.
When we conducted a grid test, it was 100/100 and the adhesion was very good. Copper plate: It can withstand immersion for 180 minutes, and the hardness of the film is strong.
When we conducted a grid test, it was 100/100 and the adhesion was very good. Even when tar epoxy resin paint (the paint film contains about 25% tar) is used as an undercoat, it works well, withstanding 180 minutes of immersion, and the hardness of the film is tough. /100 had very good adhesion. Aluminum plate: It can withstand immersion for 180 minutes, and the hardness of the film is strong, and when a grid test was performed, it was rated 100/
100 had very good adhesion. [Example 6] 3 parts by weight of the same vinylidene resin emulsion as in Example 5, and 97 parts by weight of a commercially available epoxy resin paint called Eponics #10 Clear (trademark, epoxy resin content: 46% by weight) manufactured by Dainippon Toyo Co., Ltd. A durable epoxy resin paint according to the present invention consisting of parts was used. When tested under conditions of a caustic soda concentration of 20% and a temperature of 50 degrees C, there were no abnormalities at all for 40 days. In addition, when tested under conditions of a sulfuric acid concentration of 20% and a temperature of 50 degrees C, some blistering was observed after 40 days. These results were superior to conventional paints. [Effects of the Invention] Since the durable epoxy resin paint according to the present invention is constructed as described above, firstly, it complies with the water quality standards based on the Water Supply Law (Ministry of Health and Welfare Example No. 56 of 1973), and is suitable for food use. It has the effect of being suitable as a Second, it has the effect of forming a painted surface that can withstand gasoline, ketones, or crude oil for a long period of time. Thirdly, it has the effect of being able to form a painted surface that can withstand strong acids such as sulfuric acid and hydrochloric acid for a long period of time on base materials such as iron, copper, aluminum, and stainless steel, and can be formed at low cost. . Fourth, when used as an electrode plate, it has a longer lifespan and better results than when conventional vinyl chloride sheets are bonded together. As described above, the durable epoxy resin paint according to the present invention is a durable paint.
Claims (1)
10重量％、エポキシ樹脂塗料が99.5〜90重量％か
ら成る塗料であつて、エポキシ樹脂100重量部に
対して塩化ビニリデン系樹脂を0.3〜12重量部の
割合で含有して成ることを特徴とする耐久性エポ
キシ樹脂塗料。 ２ 上記エポキシ樹脂塗料がタールエポキシ樹脂
塗料であつて、且つエポキシ樹脂100重量部に対
してタールを15〜50重量部の割合で含有してなる
ことを特徴とする特許請求の範囲第１項記載の耐
久性エポキシ樹脂塗料。[Claims] 1. Vinylidene chloride resin emulsion is 0.5~
10% by weight of the epoxy resin paint, and 99.5 to 90% by weight of the epoxy resin paint, characterized in that it contains vinylidene chloride resin at a ratio of 0.3 to 12 parts by weight per 100 parts by weight of the epoxy resin. Durable epoxy resin paint. 2. Claim 1, characterized in that the epoxy resin paint is a tar epoxy resin paint and contains tar in a ratio of 15 to 50 parts by weight per 100 parts by weight of the epoxy resin. Made of durable epoxy resin paint.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26768986A JPS63122764A (en) | 1986-11-12 | 1986-11-12 | Durable epoxy resin paint |
| US07/081,327 US4882371A (en) | 1986-11-12 | 1987-08-04 | Durable epoxy resin paint composition |
| GB8721458A GB2197327B (en) | 1986-11-12 | 1987-09-11 | Durable epoxy resin paint composition |
| DE19873738193 DE3738193A1 (en) | 1986-11-12 | 1987-11-10 | PERMANENT EPOXY RESIN PAINT COMPOSITION |
| SG391/91A SG39191G (en) | 1986-11-12 | 1991-05-18 | Durable epoxy resin paint composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26768986A JPS63122764A (en) | 1986-11-12 | 1986-11-12 | Durable epoxy resin paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63122764A JPS63122764A (en) | 1988-05-26 |
| JPH0443116B2 true JPH0443116B2 (en) | 1992-07-15 |
Family
ID=17448164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26768986A Granted JPS63122764A (en) | 1986-11-12 | 1986-11-12 | Durable epoxy resin paint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63122764A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010119958A1 (en) | 2009-04-16 | 2010-10-21 | 株式会社アミテック | Torque sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS614771A (en) * | 1984-06-18 | 1986-01-10 | Toagosei Chem Ind Co Ltd | Primer composition |
-
1986
- 1986-11-12 JP JP26768986A patent/JPS63122764A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS614771A (en) * | 1984-06-18 | 1986-01-10 | Toagosei Chem Ind Co Ltd | Primer composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010119958A1 (en) | 2009-04-16 | 2010-10-21 | 株式会社アミテック | Torque sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63122764A (en) | 1988-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4529487A (en) | Coating for increasing corrosion resistance and reducing hydrogen reembrittlement of metal articles | |
| EP0202392B1 (en) | Plated metallic article with overlying polymeric coating | |
| JPH0443116B2 (en) | ||
| US2769774A (en) | Electrodeposition method | |
| JP2702282B2 (en) | Anticorrosion coating composition for metal substrates | |
| US2921041A (en) | Anticorrosive shipbottom paint | |
| JP3056372B2 (en) | Super-painting durable steel and its painting method | |
| JPS62273082A (en) | Formation of acid resistant film | |
| RU2674529C1 (en) | Composition for producing metal-polymer cadmium-containing coatings with increased corrosion resistance with electrodeposition method | |
| JPS5813670A (en) | Treating method of galvanized film surface | |
| JPS62184852A (en) | Method of forming chemical-resistant film | |
| JPH01166A (en) | Modified epoxy resin paint | |
| JPS5845903B2 (en) | Treatment method for galvanized coating surface | |
| JPH01319575A (en) | High corrosion resistant coating composition | |
| JPS5845906B2 (en) | Treatment method for galvanized coating surface | |
| JPS5849316B2 (en) | Treatment method for galvanized coating surface | |
| JPS5817176A (en) | Coating composition for powder transmission pylon | |
| JPS5847063A (en) | Powder paint composition | |
| JPS60251972A (en) | Method for inhibiting corrosion of sharp edge part of steel structure | |
| GB2197327A (en) | Durable epoxy resin paint composition | |
| CN115449781A (en) | Anticorrosive coating and surface treatment method of corrosion-resistant steel grating | |
| JP2000129201A (en) | Rust inhibiting primer coating for aluminum die casting part | |
| JPS6311695A (en) | Composite electroplated steel sheet having high corrosion resistance | |
| JPS60105534A (en) | Coated steel plate having excellent corrosion resistance | |
| JPS5848231B2 (en) | Treatment method for galvanized coating surface |