JPS62177182A - Chromating method - Google Patents
Chromating methodInfo
- Publication number
- JPS62177182A JPS62177182A JP1889486A JP1889486A JPS62177182A JP S62177182 A JPS62177182 A JP S62177182A JP 1889486 A JP1889486 A JP 1889486A JP 1889486 A JP1889486 A JP 1889486A JP S62177182 A JPS62177182 A JP S62177182A
- Authority
- JP
- Japan
- Prior art keywords
- chromate
- film
- concn
- chromate film
- plate
- 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
- 238000000034 method Methods 0.000 title claims description 5
- 238000004532 chromating Methods 0.000 title abstract 4
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 27
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 7
- 239000011737 fluorine Substances 0.000 claims abstract description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 5
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims abstract description 4
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000011282 treatment Methods 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003973 paint Substances 0.000 abstract description 4
- 235000013305 food Nutrition 0.000 abstract description 3
- 239000005011 phenolic resin Substances 0.000 abstract description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 2
- 238000000576 coating method Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 102100024452 DNA-directed RNA polymerase III subunit RPC1 Human genes 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 101000689002 Homo sapiens DNA-directed RNA polymerase III subunit RPC1 Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229960002050 hydrofluoric acid Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005008 organosol coating Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/37—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also hexavalent chromium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明はアルミニウム板にクロメート皮膜を形成するク
ロメ−1〜処理方法の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to improvements in Chromate-1 to a treatment method for forming a chromate film on an aluminum plate.
[従来の技術]
従来、アルミニウム製の食品用缶として、アルミニウム
基板−ヒにクロメート処理によりクロメート皮膜を形成
し、この皮膜上に有機塗膜を形成したものが使用されて
いる。[Prior Art] Conventionally, aluminum food cans have been used in which a chromate film is formed on an aluminum substrate by chromate treatment, and an organic coating film is formed on this film.
上記クロメート処J!Pの溶液は、クロム酸濃度2〜1
0g/l、リン酸)製度10〜20g/U、フッ素濃度
0.3〜1.5Ω/lに調整されている。The above chromate shop J! The solution of P has a chromic acid concentration of 2 to 1
The fluorine concentration is adjusted to 0 g/l, phosphoric acid) production degree of 10 to 20 g/U, and fluorine concentration of 0.3 to 1.5 Ω/l.
[発明が解決しようとする問題点]
ところで、上記クロメート皮膜を施したアルミニウム缶
の使途の拡大のために、新しい内容物、たとえば、含塩
飲料、含塩食品に対して、より一層、塗膜の付着性の高
いものが求められており、特番こ熱水に対して優れた付
着性を示すものが要求されている。[Problems to be Solved by the Invention] By the way, in order to expand the uses of the aluminum cans coated with the chromate film, the coating film is becoming more and more suitable for new contents, such as salt-containing drinks and salt-containing foods. There is a need for a material with high adhesion to hot water, and a material that shows excellent adhesion to hot water is also required.
本発明は、上記事情に鑑みてなされたもので、熱水に対
しても優れた塗膜の付着性を示すクロメ−1〜皮膜を製
造できるクロメート処理方法を提供することを目的とす
る。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a chromate treatment method capable of producing a chromate-1 film showing excellent adhesion even to hot water.
[問題点を解決するための手段および作用1上記目的を
達成するためになされた本発明は、クロムI(Cro3
3)fa度70〜90CI/l、’) ンr!!1(P
O4’−)9度250〜330g;’[、フッ素(F−
)濃度4〜8g/lの溶液でアルミニュウム板上にクロ
メート皮膜を形成してなるものでおる。[Means and Effects for Solving the Problems 1] The present invention, which has been made to achieve the above object, is based on chromium I (Cro3
3) fa degree 70~90CI/l,') nr! ! 1(P
O4'-) 9 degrees 250-330g;'[, Fluorine (F-
) A chromate film is formed on an aluminum plate using a solution with a concentration of 4 to 8 g/l.
クロメート処理溶液の)製度は、上記の範囲ならば、い
ずれも優れた密着性を示すが、望ましくは、クロム酸)
開度80〜9CF/Q、リン酸1門度250〜300C
l/Q、フッ素酸濃度6〜8g/Qで必り、クロメート
の処理時間は、望ましくは、30〜120秒であり(た
だし、浸漬処理)、溶液温度は40〜60’Cである。If the degree of chromate treatment solution is within the above range, it will show excellent adhesion, but it is preferable to use chromate treatment solution.
Opening degree 80-9CF/Q, phosphoric acid 1 gate degree 250-300C
1/Q, the fluoric acid concentration is 6 to 8 g/Q, the chromate treatment time is preferably 30 to 120 seconds (however, immersion treatment), and the solution temperature is 40 to 60'C.
クロメート皮膜上に形成される塗膜の材料としては、エ
ポキシ−フェノール系塗料の他に、塩ビオルガノゾル系
、ビニル系、ポリエステル系等のいずれのものでもよい
。The material for the coating film formed on the chromate film may be any one of epoxy-phenol coatings, bichloride organosol coatings, vinyl coatings, polyester coatings, and the like.
本発明によるクロメ−1〜皮膜は、該皮膜上に缶用塗膜
を形成したときに付着性に優れ、特に熱水に対する付着
性に優れている。The Kurome-1 film according to the present invention has excellent adhesion when a can coating film is formed on the film, and is particularly excellent in adhesion to hot water.
[実施例] 以下本発明の詳細な説明する。[Example] The present invention will be explained in detail below.
まずアルミニウム合金(JIS規ffl:l−1505
2>からなるアルミニウム板を45°Cのクロメート処
理溶液に30秒浸漬して、クロメート皮膜を形成した。First, aluminum alloy (JIS standard ffl: l-1505
2> was immersed in a chromate treatment solution at 45°C for 30 seconds to form a chromate film.
上記クロメート処理溶液の組成は第1表に示すようにN
o、 1〜.〜0.16にて調整し、No、 1〜.N
09までは、第1図の領+if1.Aに含まれ、No、
10−No、 15までは、領域△の周辺に該当し、
No、16は、従来技術に相当する領域Bに含まれてい
る。The composition of the above chromate treatment solution is as shown in Table 1.
o, 1~. Adjusted at ~0.16, No. 1~. N
Until 09, the area in Figure 1 +if1. Included in A, No,
10-No, up to 15 corresponds to the area around area △,
No. 16 is included in region B corresponding to the prior art.
上記クロメート処理の後に、缶用塗料としてエポキシ−
フェノール系樹脂の塗料をロールコートにより塗布し、
熱風循環炉で260’CX60秒間加熱硬化させた(塗
膜厚5μ)。この後アルミニウム板を5mmx100m
mの大きさに多数切り出し、これらの試料片を2枚1組
として接着剤(ナイロン系)を用いて200’C160
秒間、熱圧着により接着して試験片を作った。After the above chromate treatment, epoxy can be used as can paint.
Apply phenolic resin paint by roll coating,
It was heat-cured at 260'CX for 60 seconds in a hot air circulation oven (coating film thickness: 5μ). After this, an aluminum plate of 5mm x 100m
A large number of sample pieces were cut out to the size of m, and these sample pieces were made into a set of 2 and glued to 200'C160 using adhesive (nylon type).
A test piece was prepared by adhering by thermocompression bonding for 2 seconds.
上記試験片についての試験は、次の方法によった。The above test piece was tested in the following manner.
まず、試験片を90″Cのイオン交換水に浸漬し、Tピ
ール強度について、4kg15mm(初期強度)から2
kM 5 mmにまで低下する浸漬時間を求めた。First, the test piece was immersed in ion-exchanged water at 90"C, and the T-peel strength was measured from 4 kg 15 mm (initial strength) to 2
The immersion time required to reduce the kM to 5 mm was determined.
その結果を第1表に示す。The results are shown in Table 1.
第1表より明らかなように、試験NQ 1〜No、 9
までの本発明の実施例によるクロメート処理では、丁ヒ
ール強度が、2 kg、/ 5 m1llになるまで、
72時間以上も要し、優れた付着性が得られた。これに
対し、比較例のNo、 10−No、 16のクロメー
ト処理では、Tピール強度の劣化時間が48時間以下で
おった。したがって本発明の実施例は熱水特性について
顕著な効果があることが明らかである。As is clear from Table 1, Test NQ 1 to No. 9
In the chromate treatment according to the embodiment of the present invention up to, the heel strength was 2 kg/5 ml.
It took more than 72 hours to obtain excellent adhesion. On the other hand, in the chromate treatments of Comparative Examples No. 10-No. 16, the T-peel strength deteriorated in 48 hours or less. Therefore, it is clear that the embodiments of the present invention have a significant effect on hydrothermal properties.
第1表
○・・・・・・良好
×・・・・・・不良
なあ、上記実施例では、熱水に対しての付着性について
試みたが、含塩水に対しても同様に優れた付着i生を示
す。Table 1 ○... Good Indicates i-life.
[発明の効果]
以上説明したように、本発明によれば、アルミニウム板
上に形成したクロメ−1〜皮膜と、核皮膜上の塗膜とが
、熱水や含塩水に対して、優れた密着性を示すクロメー
ト処理方法を提供することができる。[Effects of the Invention] As explained above, according to the present invention, the chrome-1 film formed on the aluminum plate and the coating film on the core film have excellent resistance to hot water and salt water. A chromate treatment method that exhibits adhesion can be provided.
第1図はクロメート処理溶液の濃度を示すグラフ、第2
図はクロメート皮膜と缶用塗膜の付着性を示すグラフで
必る。
代理人 弁理士 定立 勉
第1図Figure 1 is a graph showing the concentration of chromate treatment solution, Figure 2 is a graph showing the concentration of chromate treatment solution.
The figure is a graph showing the adhesion between chromate film and can coating. Agent: Patent Attorney Tsutomu Setatsu Figure 1
Claims (1)
30g/l、フッ素濃度4〜8g/lの溶液でアルミニ
ウム板にクロメート皮膜を形成することを特徴とするク
ロメート処理方法。Chromic acid temperature 70-90g/l, phosphoric acid concentration 250-3
A chromate treatment method characterized by forming a chromate film on an aluminum plate with a solution having a fluorine concentration of 30 g/l and a fluorine concentration of 4 to 8 g/l.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1889486A JPS62177182A (en) | 1986-01-30 | 1986-01-30 | Chromating method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1889486A JPS62177182A (en) | 1986-01-30 | 1986-01-30 | Chromating method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62177182A true JPS62177182A (en) | 1987-08-04 |
Family
ID=11984277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1889486A Pending JPS62177182A (en) | 1986-01-30 | 1986-01-30 | Chromating method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62177182A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03243781A (en) * | 1990-02-21 | 1991-10-30 | Nippon Parkerizing Co Ltd | Chemical conversion treating solution for aluminum and aluminum alloy |
JPH0655137A (en) * | 1991-01-29 | 1994-03-01 | Nippon Parkerizing Co Ltd | Method for formatio of composite film on surface of aluminum or aluminum alloy |
JP2001176461A (en) * | 1999-12-17 | 2001-06-29 | Dainippon Printing Co Ltd | Method of producing polymer battery packaging material |
JP2001176462A (en) * | 1999-12-17 | 2001-06-29 | Dainippon Printing Co Ltd | Packaging material for polymer battery |
JP2011138789A (en) * | 2011-03-11 | 2011-07-14 | Dainippon Printing Co Ltd | Packaging material for polymer battery |
-
1986
- 1986-01-30 JP JP1889486A patent/JPS62177182A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03243781A (en) * | 1990-02-21 | 1991-10-30 | Nippon Parkerizing Co Ltd | Chemical conversion treating solution for aluminum and aluminum alloy |
JPH0655137A (en) * | 1991-01-29 | 1994-03-01 | Nippon Parkerizing Co Ltd | Method for formatio of composite film on surface of aluminum or aluminum alloy |
JP2001176461A (en) * | 1999-12-17 | 2001-06-29 | Dainippon Printing Co Ltd | Method of producing polymer battery packaging material |
JP2001176462A (en) * | 1999-12-17 | 2001-06-29 | Dainippon Printing Co Ltd | Packaging material for polymer battery |
JP4668379B2 (en) * | 1999-12-17 | 2011-04-13 | 大日本印刷株式会社 | Method for producing polymer battery packaging material |
JP2011138789A (en) * | 2011-03-11 | 2011-07-14 | Dainippon Printing Co Ltd | Packaging material for polymer battery |
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