JPS62247087A - Tarnish inhibitor for copper-base metal - Google Patents
Tarnish inhibitor for copper-base metalInfo
- Publication number
- JPS62247087A JPS62247087A JP9085486A JP9085486A JPS62247087A JP S62247087 A JPS62247087 A JP S62247087A JP 9085486 A JP9085486 A JP 9085486A JP 9085486 A JP9085486 A JP 9085486A JP S62247087 A JPS62247087 A JP S62247087A
- Authority
- JP
- Japan
- Prior art keywords
- copper
- butyl
- kinds
- hydroxy
- discoloration
- 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
- 239000003112 inhibitor Substances 0.000 title claims abstract description 13
- 239000010953 base metal Substances 0.000 title abstract 2
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- -1 3,5-di-t- butyl-4-hydroxyphenyl Chemical group 0.000 claims abstract description 17
- 239000002253 acid Substances 0.000 claims abstract description 8
- 150000007513 acids Chemical class 0.000 claims abstract description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 238000002845 discoloration Methods 0.000 claims description 18
- 150000002739 metals Chemical class 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims 1
- 150000002989 phenols Chemical class 0.000 abstract description 7
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 abstract description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 abstract description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 abstract description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000001630 malic acid Substances 0.000 abstract description 2
- 235000011090 malic acid Nutrition 0.000 abstract description 2
- 239000011975 tartaric acid Substances 0.000 abstract description 2
- 235000002906 tartaric acid Nutrition 0.000 abstract description 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 3
- 239000012964 benzotriazole Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000004649 discoloration prevention Methods 0.000 description 3
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 150000001565 benzotriazoles Chemical class 0.000 description 2
- 150000002460 imidazoles Chemical class 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IHHBZEDPSGRLEW-UHFFFAOYSA-N (3,5-ditert-butyl-4-hydroxyphenyl)methyl propanoate Chemical compound CCC(=O)OCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 IHHBZEDPSGRLEW-UHFFFAOYSA-N 0.000 description 1
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- NAPDOWNULRULLI-UHFFFAOYSA-N 2-benzyl-1h-imidazole Chemical compound C=1C=CC=CC=1CC1=NC=CN1 NAPDOWNULRULLI-UHFFFAOYSA-N 0.000 description 1
- JDLHQBAZAFNBPQ-UHFFFAOYSA-N 2-benzyl-5-methyl-1h-imidazole Chemical compound CC1=CNC(CC=2C=CC=CC=2)=N1 JDLHQBAZAFNBPQ-UHFFFAOYSA-N 0.000 description 1
- PQAMFDRRWURCFQ-UHFFFAOYSA-N 2-ethyl-1h-imidazole Chemical compound CCC1=NC=CN1 PQAMFDRRWURCFQ-UHFFFAOYSA-N 0.000 description 1
- YTWBFUCJVWKCCK-UHFFFAOYSA-N 2-heptadecyl-1h-imidazole Chemical compound CCCCCCCCCCCCCCCCCC1=NC=CN1 YTWBFUCJVWKCCK-UHFFFAOYSA-N 0.000 description 1
- JKRDADVRIYVCCY-UHFFFAOYSA-N 2-hydroxyoctanoic acid Chemical compound CCCCCCC(O)C(O)=O JKRDADVRIYVCCY-UHFFFAOYSA-N 0.000 description 1
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 2-phenyl-1h-imidazole Chemical compound C1=CNC(C=2C=CC=CC=2)=N1 ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 0.000 description 1
- LLEASVZEQBICSN-UHFFFAOYSA-N 2-undecyl-1h-imidazole Chemical compound CCCCCCCCCCCC1=NC=CN1 LLEASVZEQBICSN-UHFFFAOYSA-N 0.000 description 1
- JMTMSDXUXJISAY-UHFFFAOYSA-N 2H-benzotriazol-4-ol Chemical compound OC1=CC=CC2=C1N=NN2 JMTMSDXUXJISAY-UHFFFAOYSA-N 0.000 description 1
- KFJDQPJLANOOOB-UHFFFAOYSA-N 2h-benzotriazole-4-carboxylic acid Chemical compound OC(=O)C1=CC=CC2=NNN=C12 KFJDQPJLANOOOB-UHFFFAOYSA-N 0.000 description 1
- MPFCOSANGJQRQV-UHFFFAOYSA-N 4-chloro-5-methyl-2-phenyl-1h-imidazole Chemical compound ClC1=C(C)NC(C=2C=CC=CC=2)=N1 MPFCOSANGJQRQV-UHFFFAOYSA-N 0.000 description 1
- IQZGIUOEBQVRRY-UHFFFAOYSA-N 4-dodecyl-2h-benzotriazole Chemical compound CCCCCCCCCCCCC1=CC=CC2=NNN=C12 IQZGIUOEBQVRRY-UHFFFAOYSA-N 0.000 description 1
- QRHDSDJIMDCCKE-UHFFFAOYSA-N 4-ethyl-2h-benzotriazole Chemical compound CCC1=CC=CC2=C1N=NN2 QRHDSDJIMDCCKE-UHFFFAOYSA-N 0.000 description 1
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 1
- ZXPHHCRCSZNBFA-UHFFFAOYSA-N 5-methyl-2-naphthalen-2-yl-1h-imidazole Chemical compound N1C(C)=CN=C1C1=CC=C(C=CC=C2)C2=C1 ZXPHHCRCSZNBFA-UHFFFAOYSA-N 0.000 description 1
- TYOXIFXYEIILLY-UHFFFAOYSA-N 5-methyl-2-phenyl-1h-imidazole Chemical compound N1C(C)=CN=C1C1=CC=CC=C1 TYOXIFXYEIILLY-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- NPZTUJOABDZTLV-UHFFFAOYSA-N hydroxybenzotriazole Substances O=C1C=CC=C2NNN=C12 NPZTUJOABDZTLV-UHFFFAOYSA-N 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- WSDQIHATCCOMLH-UHFFFAOYSA-N phenyl n-(3,5-dichlorophenyl)carbamate Chemical compound ClC1=CC(Cl)=CC(NC(=O)OC=2C=CC=CC=2)=C1 WSDQIHATCCOMLH-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】 本発明は常温より高温まで優れた効果を。[Detailed description of the invention] The present invention has excellent effects from room temperature to high temperature.
有する銅系金属の変色防止剤に関する。更に詳しくは、
オキシカルボン酸の１種ないし２種以上と、一般式；
（Ｒ−ＣＯＯ）ｎＲ′、もしくは（Ｒ−ＣＯＯＣＨ，）
、Ｃ１（ここでＲは、３，５−ジ−ｔ−ブチル−４−ヒ
ドロキシ−フェニル基及び３．５−ｔ−ブチル−４−ヒ
ドロキシ−フェニルエチレン基を示し、Ｒ′は炭素数が
１から２２の炭化水素基、炭素数が４から１８のアルキ
レングリコール類。This invention relates to a discoloration inhibitor for copper-based metals. For more details,
One or more oxycarboxylic acids and a general formula;
(R-COO)nR', or (R-COOCH,)
, C1 (here, R represents a 3,5-di-t-butyl-4-hydroxy-phenyl group and a 3,5-t-butyl-4-hydroxy-phenylethylene group, and R' has a carbon number of 1 to 22 hydrocarbon groups, alkylene glycols having 4 to 18 carbon atoms.
ｔ−ブチルフェニル基及びジ−ｔ−ブチルフェニルを示
し、ｎは１と２を示す、）で表されるヒンダード・フェ
ノール化合物群の１種ないし２種以上を有効成分とする
ことよりなる銅系金属の変色防止剤に関するものである
。t-butylphenyl group and di-t-butylphenyl, and n is 1 and 2. This invention relates to a discoloration inhibitor for metals.
従来より、銅系金属の変色防止剤としては。Traditionally, it has been used as a discoloration inhibitor for copper-based metals.
ベンゾトリアゾールが工業的に最も多く使用されている
。ベンゾトリアゾールは、常温より１００℃以下の温度
までは優れた変色防止剤として作用するが、ｌＯＯ”Ｃ
以上では酸化による変色を防止することができない。Benzotriazole is the most commonly used industrially. Benzotriazole acts as an excellent discoloration inhibitor at temperatures below room temperature to 100°C, but
Above this, discoloration due to oxidation cannot be prevented.
本発明者は、温度が１００℃以上においても。The present inventor has discovered that even when the temperature is 100°C or higher.
耐えうる。銅系金属の変色防止剤について鋭意研究を重
ね本発明を完成させた。I can endure it. The present invention was completed after extensive research into discoloration inhibitors for copper-based metals.
本発明の目的は常温においても、そしてまた１５０〜３
００℃の高温においても銅系金属の変色を、防止しうる
薬剤を提供することにある。The object of the present invention is that even at normal temperature, and also 150-3
It is an object of the present invention to provide a chemical that can prevent discoloration of copper-based metals even at high temperatures of 00°C.
オキシカルボン酸は常温付近では銅系金属の変色防止効
果が弱く、実用に耐えないが。Oxycarboxylic acid has a weak effect on preventing discoloration of copper-based metals at room temperature, and is not suitable for practical use.
１００℃以上の高温では銅系金属の酸化による変色をほ
ぼ完全に防止するものである。一方。At high temperatures of 100°C or higher, discoloration due to oxidation of copper-based metals is almost completely prevented. on the other hand.
本発明に係るヒンダードフェノール類は、従来、金属に
対する防食効果については、殆ど論じられておらず、銅
系金属に対する防食効果は全く不明であった。このビン
ダードフェノール類とオキシカルボン酸とを併用するこ
とで、常温はもとより高温においても、優れた変色防止
効果を有することを見出したことは工業的に大きな意義
がある。Hitherto, the anticorrosive effect of the hindered phenols according to the present invention on metals has hardly been discussed, and the anticorrosive effect on copper-based metals has been completely unknown. It is of great industrial significance that it has been found that the combined use of bindard phenols and oxycarboxylic acid has an excellent discoloration prevention effect not only at room temperature but also at high temperatures.
本発明に係るヒンダードフェノール類は水に不溶性であ
るため使用に際しては、有機溶剤に溶解して、銅系金属
の表面を処理する方法をとることができる。得られた防
食皮膜は透明であり、銅系金属の光沢を損なうこともな
い。Since the hindered phenols according to the present invention are insoluble in water, they can be used by dissolving them in an organic solvent and treating the surface of copper-based metals. The resulting anticorrosive film is transparent and does not impair the luster of copper-based metals.
本発明に係る銅系金属の変色防止剤はオキシカルボン酸
２〜９０部とヒンダードフェノール類１０〜９８部の範
囲で併用することが望ましい、この範囲以外では、常温
での変色防止能が劣るかもしくは、高温での変色防止能
が劣るので好ましくないのである。有機溶剤は間化合物
を溶解するものであれば総て使用することができるが例
えば、アルコール類、グリコール類。It is desirable that the discoloration inhibitor for copper-based metals according to the present invention is used in combination with 2 to 90 parts of oxycarboxylic acid and 10 to 98 parts of hindered phenols; outside this range, the discoloration prevention ability at room temperature is poor. Alternatively, it is not preferred because its ability to prevent discoloration at high temperatures is poor. Any organic solvent can be used as long as it dissolves the intermediate compound, such as alcohols and glycols.
芳香族あるいは脂肪族系炭化水素、エステル。Aromatic or aliphatic hydrocarbons, esters.
塩素系炭化水素、鉱油を使用することができる。Chlorinated hydrocarbons and mineral oil can be used.
本発明に係る変色防止剤の使用濃度は、５〜１００．０
ＯＯｐｐ■、望ましくは、１０００〜５０、ＯＯＯｐｐ
ｍの範囲で使用するのが効果的である。The concentration of the discoloration inhibitor according to the present invention is 5 to 100.0.
OOpp■, preferably 1000 to 50, OOOpp
It is effective to use within the range of m.
本発明に係るオキシカルボン酸類は、乳酸。The oxycarboxylic acids according to the present invention are lactic acid.
グリコール酸、グルコン酸、酒石酸、リンゴ酸、クエン
酸、ヒドロキシカプリル酸などをあげることができる。Examples include glycolic acid, gluconic acid, tartaric acid, malic acid, citric acid, and hydroxycaprylic acid.
また、ヒンダードフェノール類としては１例えば、（３
，５−ジ−ｔ−ブチル−４−ヒドロキシ−フェニル）プ
ロピオン酸メチル、 （３，５−ジ−ｔ−ブチル−４−
ヒドロキシ−フェニル）プロピオン酸ブチル、（３，５
−ジ−ｔ−ブチル−４−ヒドロキシ−フェニル）プロピ
オン酸オクチル、 （３，５−ジー１−ブチル−４−ヒ
ドロキシ−フェニル）プロピオン酸オレイル、 （３，
５−ジ−ｔ−ブチル−４−ヒドロキシ−フェニル）プロ
ピオン酸ベンジル、ビス〔β−（３，５−ジ−ｔ−ブチ
ル−４−ヒドロキシ−フェニル）プロピオン酸〕オクタ
ンジオールエステル、テトラキス〔メチレン−３−（３
′、５’−ジ−ｔ−ブチル−４′−ヒドロキシ−フェニ
ル）プロピオン酸〕メタン、２，４−ジー１−ブチル−
フェニル−３′、５’−ジ−ｔ−ブチル−４′−ヒドロ
キシ−ベンゾエートなどをあげることができる。In addition, as hindered phenols, 1, for example, (3
, 5-di-t-butyl-4-hydroxy-phenyl)methyl propionate, (3,5-di-t-butyl-4-
butyl hydroxy-phenyl)propionate, (3,5
Octyl -di-t-butyl-4-hydroxy-phenyl)propionate, Oleyl (3,5-di-1-butyl-4-hydroxy-phenyl)propionate, (3,
Benzyl 5-di-t-butyl-4-hydroxy-phenyl)propionic acid, bis[β-(3,5-di-t-butyl-4-hydroxy-phenyl)propionic acid] octanediol ester, tetrakis[methylene- 3-(3
', 5'-di-t-butyl-4'-hydroxy-phenyl)propionic acid] methane, 2,4-di-1-butyl-
Examples include phenyl-3', 5'-di-t-butyl-4'-hydroxy-benzoate.
本発明に係る銅系金属の変色防止剤は、従来から使用さ
れている防食剤あるいは防食助剤である。脂肪酸塩類、
アミン類、アマイド類、ベンゾトリアゾール類やイミダ
ゾール類と併用して、より効果の完全を期すことができ
る。The discoloration inhibitor for copper-based metals according to the present invention is a conventionally used anticorrosive agent or anticorrosion aid. fatty acid salts,
It can be used in combination with amines, amides, benzotriazoles, and imidazoles for a more complete effect.
特に、ベンゾトリアゾール、メチルベンゾトリアゾール
、エチルベンゾトリアゾール、カルボキシベンゾトリア
ゾール、ヒドロキシベンゾトリアゾール、ドデシルベン
ゾトリアゾール。In particular, benzotriazole, methylbenzotriazole, ethylbenzotriazole, carboxybenzotriazole, hydroxybenzotriazole, dodecylbenzotriazole.
などのベンゾトリアゾール類、及び２−フェニルイミダ
ゾール、２−フェニル−４−メチルイミダゾール、２−
フェニル−４−メチル−５−クロルイミダゾール、２−
ベンジルイミダゾール、２−ベンジル−４−メチルイミ
ダゾール、２−ナフチル−４−メチルイミダゾール、２
−ナフチル−４−プロピル−５−二トロイミダゾール、
２−メチルイミダゾール、２−エチルイミダゾール、２
−ウンデシルイミダゾール、２−ヘプタデシルイミダゾ
ール、などのイミダゾール類とを併用した場合、卓越し
た変色防止効果を有する。benzotriazoles such as 2-phenylimidazole, 2-phenyl-4-methylimidazole, 2-
Phenyl-4-methyl-5-chloroimidazole, 2-
Benzyl imidazole, 2-benzyl-4-methylimidazole, 2-naphthyl-4-methylimidazole, 2
-naphthyl-4-propyl-5-ditroimidazole,
2-methylimidazole, 2-ethylimidazole, 2
- When used in combination with imidazoles such as undecylimidazole and 2-heptadecyl imidazole, it has an excellent discoloration prevention effect.
次に、実施例をあげて本発明を具体的に説明するが、こ
れによって本発明が限定されるものではない。Next, the present invention will be specifically explained with reference to Examples, but the present invention is not limited thereto.
実施例１゜
銅及び黄銅の試験片を第１表に示した本発明に係る銅系
金属の変色防止剤を含有するメタノール溶液に１分間浸
漬処理した後、空気中で乾燥して得られた試験片を４０
±１℃の温度及び、相対湿度９８％以上で１０日間湿潤
試験したところ第１表に示す結果を得た。第１表におい
て発錆性は肉眼１１［により、下記のとおり評価した。Example 1 Copper and brass test pieces were immersed for 1 minute in a methanol solution containing the discoloration inhibitor for copper-based metals according to the present invention shown in Table 1, and then dried in air. 40 test pieces
A humidity test was conducted for 10 days at a temperature of ±1° C. and a relative humidity of 98% or more, and the results shown in Table 1 were obtained. In Table 1, the rusting property was evaluated using the naked eye 11 as described below.
外観変化なし ・・・ −
外観変化少しあり ・・・ ＋
外観変化かなりあり・・・＋＋
外観変化著しい ・・・＋＋＋
実施例２
１Ｎ塩酸に１分間浸漬した後、水洗し、メタノールで洗
浄して、乾燥した銅板を試験片として第２表に示した本
発明に係る銅系金属の変色防止剤を含有する１、１．１
−トリクロロエタン溶液に１０秒間浸漬した後空気中で
乾燥した。この試験片を２００±２℃で１２０分間加熱
し変色度を観察した。結果を表２に示す、なお１表２の
数値はＪＩＳ Ｋ ２５１３の銅板腐食分類表によった
。No change in appearance ... - Slight change in appearance ... + Significant change in appearance ...++ Significant change in appearance ... +++ Example 2 After immersing in 1N hydrochloric acid for 1 minute, washing with water and washing with methanol. 1, 1.1 containing the discoloration inhibitor for copper-based metals according to the present invention shown in Table 2 using dried copper plates as test pieces.
- Immersed in trichloroethane solution for 10 seconds and then dried in air. This test piece was heated at 200±2° C. for 120 minutes and the degree of discoloration was observed. The results are shown in Table 2. The values in Table 1 are based on the JIS K 2513 copper plate corrosion classification table.
実施例（１）ならびに（２）で明らかなごとく本発明品
は、常温より高温まで銅ならびに銅系金属の変色防止に
優れた効果を示した。As is clear from Examples (1) and (2), the product of the present invention exhibited excellent effects in preventing discoloration of copper and copper-based metals from room temperature to high temperatures.
Claims (1)
Ｒ−ＣＯＯ）＿ｎＲ′、もしくは（Ｒ−ＣＯＯＣＨ＿２
）＿４Ｃ、（ここでＲは、３，５−ジ−ｔ−ブチル−４
−ヒドロキシ−フェニル基及び３，５−ｔ−ブチル−４
−ヒドロキシ−フェニルエチレン基を示し、Ｒ′は炭素
数が１から２２の炭化水素基、炭素数が４から１８アル
キレングリコール類、ｔ−ブチルフェニル基及びジ−ｔ
−ブチルフェニル基を示し、ｎは１と２を示す。）で表
される化合物群の１種ないし２種以上を有効成分 とすることよりなる銅系金属の変色防止剤。[Claims] One or more oxycarboxylic acids and the general formula; (
R-COO)_nR' or (R-COOCH_2
)_4C, (where R is 3,5-di-t-butyl-4
-hydroxy-phenyl group and 3,5-t-butyl-4
-Hydroxy-phenylethylene group, R' is a hydrocarbon group having 1 to 22 carbon atoms, alkylene glycols having 4 to 18 carbon atoms, t-butylphenyl group, and di-t-
- represents a butylphenyl group, and n represents 1 or 2. ) A discoloration inhibitor for copper-based metals comprising one or more of the compounds represented by the following as an active ingredient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9085486A JPS62247087A (en) | 1986-04-19 | 1986-04-19 | Tarnish inhibitor for copper-base metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9085486A JPS62247087A (en) | 1986-04-19 | 1986-04-19 | Tarnish inhibitor for copper-base metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62247087A true JPS62247087A (en) | 1987-10-28 |
Family
ID=14010154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9085486A Pending JPS62247087A (en) | 1986-04-19 | 1986-04-19 | Tarnish inhibitor for copper-base metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62247087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04230096A (en) * | 1990-12-27 | 1992-08-19 | Nikko Kyodo Co Ltd | Desmearing solution for through hole of multilayered circuit board |
-
1986
- 1986-04-19 JP JP9085486A patent/JPS62247087A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04230096A (en) * | 1990-12-27 | 1992-08-19 | Nikko Kyodo Co Ltd | Desmearing solution for through hole of multilayered circuit board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0627499B1 (en) | Agent for treating surfaces of copper and copper alloys | |
| US3895170A (en) | Method for inhibiting corrosion of ferrous metals with 1-hydroxybenzotriazoles | |
| SG129274A1 (en) | Cleaaning solution and cleaning process using the solution | |
| Ravichandran et al. | Influence of benzotriazole derivatives on the dezincification of 65–35 brass in sodium chloride | |
| JP2021091974A (en) | 2-Substituted imidazole and benzimidazole corrosion inhibitors | |
| JP3311858B2 (en) | Copper and copper alloy surface treatment agent | |
| Nwankwo et al. | N-substituted carbazoles as corrosion inhibitors in microbiologically influenced and acidic corrosion of mild steel: Gravimetric, electrochemical, surface and computational studies | |
| Ebenso et al. | Studies on the inhibition of aluminium corrosion by 2‐acetylphenothiazine in chloroacetic acids | |
| Walker | Corrosion inhibition of copper by tolyltriazole | |
| JPH06322551A (en) | Treating agent for copper and copper alloy | |
| KR100648555B1 (en) | Methods of Inhibiting Corrosion Using Isomers of Chloro-Methylbenzotriazole | |
| JPS62247087A (en) | Tarnish inhibitor for copper-base metal | |
| JP2834885B2 (en) | Copper and copper alloy surface treatment method | |
| JP3367743B2 (en) | Copper and copper alloy surface treatment agent | |
| Chieb et al. | The Inhibitive Effect of 3-Methyl 4-Amino 1, 2, 4 Triazole on the Corrosion of Copper-Nickel 70-30 in NaCl 3% Solution | |
| JPS6263686A (en) | Volatile corrosion inhibitor | |
| JPH0142357B2 (en) | ||
| JPS62270785A (en) | Heat resistant anticorrosive for copper and copper alloy | |
| JP5510949B2 (en) | Metal surface treatment agent | |
| JPS6353277A (en) | Heat resistant surface treating agent for copper or copper alloy | |
| JPS6043493A (en) | Discoloration inhibitor for copper | |
| JPH0441688A (en) | Water soluble thermochromism inhibitor | |
| JPS6296682A (en) | Rust preventive for copper and copper alloy | |
| JP2849216B2 (en) | Copper and copper alloy surface treatment method | |
| JPH06264258A (en) | Surface treating agent for copper and copper alloy |