WO2006016603A1 - 錫-亜鉛合金電気めっき方法 - Google Patents

錫-亜鉛合金電気めっき方法 Download PDF

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Publication number
WO2006016603A1
WO2006016603A1 PCT/JP2005/014648 JP2005014648W WO2006016603A1 WO 2006016603 A1 WO2006016603 A1 WO 2006016603A1 JP 2005014648 W JP2005014648 W JP 2005014648W WO 2006016603 A1 WO2006016603 A1 WO 2006016603A1
Authority
WO
WIPO (PCT)
Prior art keywords
tin
zinc alloy
plating bath
acid
zinc
Prior art date
Application number
PCT/JP2005/014648
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Satoshi Yuasa
Original Assignee
Dipsol Chemicals Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dipsol Chemicals Co., Ltd. filed Critical Dipsol Chemicals Co., Ltd.
Priority to ES05770802.6T priority Critical patent/ES2526430T3/es
Priority to BRPI0514210A priority patent/BRPI0514210B1/pt
Priority to KR1020077002958A priority patent/KR100929761B1/ko
Priority to CN2005800271252A priority patent/CN101001982B/zh
Priority to EP05770802.6A priority patent/EP1811063B1/en
Publication of WO2006016603A1 publication Critical patent/WO2006016603A1/ja
Priority to US11/704,805 priority patent/US20070199827A1/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/10Agitating of electrolytes; Moving of racks
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/56Electroplating: Baths therefor from solutions of alloys
    • C25D3/60Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of tin
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/56Electroplating: Baths therefor from solutions of alloys
    • C25D3/565Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of zinc
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/08Electroplating with moving electrolyte e.g. jet electroplating

Definitions

  • the present invention relates to a tin-zinc alloy electroplating method.
  • tin-zinc alloy electroplating Since tin-zinc alloy electroplating is excellent in corrosion resistance, workability, and solderability, it has been attracting attention and widely used as an industrial plating for automobile parts and electronic parts.
  • As the baths used for the tin-zinc alloy electroplating alkali cyan baths, phosphoric acid phosphate baths, borofluoride baths, sulfonic acid baths, carboxylic acid baths, etc. have been proposed and partially put into practical use. Has reached.
  • An object of the present invention is to provide an electroplating method that enables processing in a short time, which has been difficult with conventional tin-zinc alloy electroplating.
  • the present invention makes it possible to electroplat tin-zinc alloy in a short time by using a specific tin-zinc alloy plating bath with the plating bath temperature and plating solution stirring speed set to a predetermined level or higher. It was made based on the knowledge.
  • the present invention provides a plating bath temperature of 30 to 90 ° C., and a plating solution stirring speed of 5 to 300 mZ.
  • tin-zinc alloy can be electroplated in a short time by setting the plating bath temperature and the stirring speed of the plating solution to a predetermined level or more and using a specific tin-palladium alloy plating bath. Can be.
  • the plating bath temperature is 30 to 90 ° C, preferably 40 to 60 ° C
  • the stirring speed of the plating solution is 5 to 300 mZmin, preferably 10 to 100 mZmin.
  • the stirring of the plating solution can be applied by a jet type plating device or a steel plate plating device in which the solution is circulated by a pump.
  • the plating equipment is made of a heat-resistant and chemical-resistant material, metals such as stainless steel and titanium, salt vinyl, Teflon (registered trademark), and ABS resin can be used.
  • an apparatus capable of obtaining a uniform plating solution stirring speed over the entire object to be plated is desirable.
  • any plating bath known to those skilled in the art can be used.
  • it contains a hydroxycarboxylic acid or a salt thereof. It is a bathing bath.
  • hydroxycarboxylic acid a compound having 1 or 2 or more hydroxy groups and 1 or 2 or more carboxyl groups in one molecule is preferable! /.
  • hydroxycarboxylic acids include citrate, tartaric acid, malic acid, glycolic acid, glyceric acid, lactic acid, ⁇ -hydroxypropionic acid and darconic acid.
  • citrate, tartaric acid, malic acid and darconic acid are used.
  • hydroxycarboxylates include alkali metal salts (sodium, potassium, lithium salts) of the above hydroxycarboxylic acids, alkaline earth metal salts (magnesium, calcium, barium salts, etc.), and divalent tin salts.
  • Zinc salts, ammonium salts and organic amine salts (monomethylamine, dimethylamine, trimethylamine, ethylamine, isopropylamine, ethylenediamine, diethylenetriamine, etc.).
  • These hydroxycarboxylic acids and salts thereof may be used alone or
  • the concentration in the plating bath in which two or more kinds may be used in combination is 0.25 to 3 molZL, preferably 0.3 to 1.5 molZL.
  • hydroxycarboxylic acid which is a counter ion of the metal ion, also constitutes a part of the above concentration.
  • the pH of the bath containing hydroxycarboxylic acid or a salt thereof is preferably 2 to 10, more preferably 3 to 9.
  • the pH of the plating bath can be adjusted using an alkaline compound such as a hydroxide or carbonate or an acidic compound such as an inorganic acid or an organic acid.
  • alkaline compounds such as sodium hydroxide, potassium hydroxide, lithium hydroxide, sodium carbonate, potassium carbonate, lithium carbonate, aqueous ammonia, sulfuric acid, hydrochloric acid, sulfamic acid, methanesulfonic acid.
  • acidic compounds such as phenolsulfonic acid.
  • a group comprising a water-soluble compound obtained by reacting an aliphatic amine, an organic acid ester and phthalic anhydride, and an amphoteric surfactant. It is also possible to use a bath with one or more selected power. Specifically, for example, 0.2 to 3 mol of an organic acid ester is reacted at a temperature of 50 to 99 ° C. for 10 to 60 minutes per 1 mol of an aliphatic amine, and the reactive product 1 obtained by weight ratio is reacted.
  • Examples thereof include water-soluble compounds obtained by reacting phthalic anhydride 0.1 to 1 at a temperature of 60 to 130 ° C for 30 to 180 minutes.
  • Examples of amphoteric surfactants include imidazoline type, betaine type, alanine type, glycine type and amide type.
  • Examples of the aliphatic amine used for the reaction of the water-soluble compound include ethylenediamine, triethylenetetramine, isoptylamine, 3-methoxypropylamine, iminobispropylamine, jetylamine, hexamethyltetramine, dimethylaminopropylamine and the like.
  • organic acid ester examples include dimethyl malonate, cetyl succinate, methyl maleate, dimethyl fumarate, dimethyl tartrate, dimethyl malate, and jetyl tartronate. These water-soluble compounds and amphoteric surfactants may be used alone or in admixture of two or more.
  • the content in the plating bath is 0.001 to 50 g ZL, preferably 0.01 to 30 g. / L.
  • the pH of the bath containing one or more kinds selected from the group power consisting of a surfactant is preferably 2 to 10, more preferably 3 to 9.
  • the pH of the plating bath can be adjusted by using an alkaline compound such as hydroxide or carbonate, or an acidic compound such as inorganic acid or organic acid.
  • alkaline compounds such as sodium hydroxide, potassium hydroxide, lithium hydroxide, sodium carbonate, potassium carbonate, lithium carbonate, aqueous ammonia, sulfuric acid, hydrochloric acid, sulfamic acid, methanesulfonic acid, fluoric acid, And acidic compounds such as ⁇ -nolusulfonic acid.
  • a bath containing one or more selected from the group consisting of tertiary amine compounds and quaternary amine compounds may be used. it can.
  • tertiary amine compounds include imidazole compounds and aliphatic amine compounds.
  • quaternary amine compounds include reaction products of tertiary amine compounds and alkyl halides.
  • Specific examples of the tertiary amine compound include imidazole compounds such as imidazole, 1-methylimidazole, 1-ethylimidazole, 2-methylimidazole, 1-ethyl-2-methylimidazole.
  • 1oxymethylimidazole, 1 bwisemidazole and 1,5 dimethylimidazole, and aliphatic amines include monoethanolamine, jetanolamine, triethanolamine, dimethylamine, ethylenediamine, diethylenetriamine, iminobispamine. Examples include oral pinoleamine, triethylenetetramine, tetraethylenepentamine, and N, N bis (3aminopropyl) ethylenediamine.
  • halogenated alkyl to be reacted with the tertiary amine compound examples include monochloroacetic acid, benzyl chloride, chloracetamide, 3-aminobenzyl chloride, aryl chloride, dichloroethane, monochloropropane, dichloroglycerin, ethylene chlorohydride. Examples include phosphorus and epichlorohydrin. These tertiary amine compounds and quaternary amine compounds may be used alone or in admixture of two or more.
  • the content of the plating bath is 0.1 to 30 g / L, preferably Is 0.2 ⁇ 20g / L
  • a tertiary amine and a quaternary amine compound are also selected.
  • the pH of the hot water bath containing one or more is preferably 10 to 14, more preferably 12 to 14.
  • the pH of the bath can be adjusted using alkaline compounds such as hydroxides and carbonates. it can. Specific examples include sodium hydroxide, potassium hydroxide, lithium hydroxide, sodium carbonate, potassium carbonate, lithium carbonate, and aqueous ammonia.
  • the tanning bath used in the electroplating method of the present invention further includes at least one surface activity selected from the group force consisting of a nonionic surfactant, a ionic surfactant and a cationic surfactant.
  • An agent can also be contained. By containing these surfactants, precipitation at a high current density can be made dense, so that the electroplating method of the present invention can be smoothly carried out.
  • the tin ion concentration of the plating bath used in the plating method of the present invention is 1 to 10 OgZL, preferably 5 to 80 gZL for divalent ions, and the zinc ion concentration is 0.2 to 80 gZL, preferably l. ⁇ 50gZL.
  • these metal ion sources include hydroxide, oxide, sulfate, hydrochloride, sulfamate, pyrophosphate, hydroxycarboxylate, sulfonate, and amino acid salt of each metal. .
  • Preferred are oxides, sulfates, hydrochlorides, and hydroxides of each metal.
  • Specific examples of the hydroxycarboxylate include those exemplified above.
  • the sulfonate include alkane sulfonate, alkane sulfonate, and phenol sulfonate.
  • alkanesulfonic acid include methanesulfonic acid, ethanesulfonic acid, propanesulfonic acid, isopropanesulfonic acid, butanesulfonic acid, pentanesulfonic acid and hexanesulfonic acid.
  • Specific examples of the acid include 2-hydroxyethane sulfonic acid, 3-hydroxypropane sulfonic acid, and 2-hydroxybutane sulfonic acid.
  • phenol sulfonic acid examples include phenol sulfonic acid, cresol sulfonic acid, and dimethyl phenol sulfonic acid.
  • amino acids include glycine, glutamic acid, and alanine.
  • sulfuric acid In the tanning bath used in the electroplating method of the present invention, sulfuric acid, hydrochloric acid, sulfamic acid, pyrophosphoric acid, sulfonic acid, hydroxide, carbon Alkali metal salts (sodium, potassium, lithium salts), alkaline earth metal salts (magnesium, calcium, norlium salts), ammonium salts, organic amine salts (monomethylamine, dimethylamine, trimethyl) Amin, ethylamine, isopropylamine, ethylenediamine, diethylenetriamine, etc.).
  • the content of these salts is 10 to 300 gZL, preferably 50 to 200 gZL.
  • the tanning bath used in the electroplating method of the present invention can also contain additives used as tin and zinc brighteners in addition to the above-mentioned components.
  • additives used as tin and zinc brighteners for example, synthetic polymers (polyvinyl alcohol, polyvinyl pyrrolidone, polyethylene glycol, etc.), ketones (benzal acetone, acetophenone, etc.), aliphatic aldehydes (formalin, acetoaldehyde, crotonaldehyde, etc.), Aromatic aldehydes (vanillin, salicylaldehyde, olsochlorbenzaldehyde, etc.), reaction products of unsaturated aliphatic aldehydes and amine compounds, sulfur compounds (thiourea, mercaptobenzimidazole, etc.), Cu, Ni, Mn, Bi, In etc.
  • additives contain 0.001 to 5 Og / preferably 0.005 to 30 g ZL.
  • hydroxyphenol compounds such as catechol, pyrogallol, hydroquinone, sulfosalicylic acid, potassium dihydroxybenzenesulfonate, and salts thereof, L-corcorbic acid, sorbitol, and the like can also be used as antioxidants for tin.
  • the object to be plated in the plating method of the present invention is a metal material of Fe, Ni, Cu, or an alloy based on these, and this is used as a cathode.
  • a tin-zinc alloy or a Ti material in which Pt plating is applied, an insoluble electrode, a force-bonded electrode, or the like can be used.
  • an insoluble anode the above-mentioned method of directly dissolving the tin and zinc metal salts in the sag solution or replenishing an aqueous solution in which the tin and zinc metal salts are dissolved at a high concentration is used.
  • the metal concentration of the bath can be maintained.
  • This high-concentration aqueous solution of the metal may contain the above hydroxycarboxylic acid or a salt thereof and a hydroxy-alkali compound.
  • the cathode current density is 5 to 200 A / dm 2 , preferably 10 to 120 A / dm 2 , and the film thickness can be in a wide range, but is generally 0.5 to 500 ⁇ m, preferably 2 to 20 ⁇ m.
  • tin-zinc alloy plating with a wide range of compositions can be applied.
  • an electronic component can be tinned with a zinc content of 3 to 15%, which particularly enhances saltwater resistance and corrosion resistance.
  • tin-zinc alloy plating with a zinc content of 15 to 45% can be applied.
  • tin-zinc alloy plating with a zinc content of 50 to 90% can be applied.
  • the object to be covered is subjected to a plating step after pretreatment by a conventional method.
  • a pretreatment process at least one operation of immersion degreasing, pickling, electrolytic cleaning and activation is performed.
  • the resulting film can be washed with water and dried, followed by conventional chromate treatment and chemical conversion treatment, or coating treatment with inorganic and organic substances.
  • the present invention will be described by way of examples.
  • the present invention is not limited thereto, and the plating solution temperature, the plating solution flow rate, and the composition of the bath used can be arbitrarily changed according to the purpose. it can.
  • plating bath temperature 60 ° C.
  • plating solution stirring speed 50 mZmin.
  • Zinc oxide (as zinc) 5 g /
  • electroplating was performed using the following plating bath under the conditions of plating bath temperature: 50 ° C. and plating solution stirring speed: 60 mZmin.
  • Zinc methanesulfonate (Zinc and 15 g /
  • the plating bath temperature of 23 ° C. and the plating solution stirring speed: 50 mZmin were applied using the plating bath of Example 1.
  • the plating bath of Example 1 was used, and the plating bath temperature was 60 ° C., and the plating solution was stirred at a rate of 2 mZmin.
  • the plating bath of Example 3 was used, and the plating bath temperature was 60 ° C., and the plating solution was stirred at a rate of 3 mZmin.
  • Tables 1 and 2 show the precipitation states of Examples 1 to 5 and Comparative Examples 1 to 3, the alloy composition (% by weight) of the deposited film, the treatment time, and the film thickness.
PCT/JP2005/014648 2004-08-10 2005-08-10 錫-亜鉛合金電気めっき方法 WO2006016603A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES05770802.6T ES2526430T3 (es) 2004-08-10 2005-08-10 Método de galvanoplastia con una aleación de estaño y cinc
BRPI0514210A BRPI0514210B1 (pt) 2004-08-10 2005-08-10 método de eletrodeposição com uma liga de estanho-zinco
KR1020077002958A KR100929761B1 (ko) 2004-08-10 2005-08-10 주석-아연 합금 전기 도금 방법
CN2005800271252A CN101001982B (zh) 2004-08-10 2005-08-10 锡-锌合金电镀方法
EP05770802.6A EP1811063B1 (en) 2004-08-10 2005-08-10 Tin-zinc alloy electroplating method
US11/704,805 US20070199827A1 (en) 2004-08-10 2007-02-09 Method for electroplating with tin-zinc alloy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-233633 2004-08-10
JP2004233633A JP4594672B2 (ja) 2004-08-10 2004-08-10 錫−亜鉛合金電気めっき方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/704,805 Continuation US20070199827A1 (en) 2004-08-10 2007-02-09 Method for electroplating with tin-zinc alloy

Publications (1)

Publication Number Publication Date
WO2006016603A1 true WO2006016603A1 (ja) 2006-02-16

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Country Status (8)

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US (1) US20070199827A1 (ko)
EP (1) EP1811063B1 (ko)
JP (1) JP4594672B2 (ko)
KR (1) KR100929761B1 (ko)
CN (1) CN101001982B (ko)
BR (1) BRPI0514210B1 (ko)
ES (1) ES2526430T3 (ko)
WO (1) WO2006016603A1 (ko)

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CN102634827B (zh) * 2012-05-07 2015-04-08 东莞市闻誉实业有限公司 一种锡-锌合金电镀方法
CN102690975B (zh) * 2012-06-11 2014-12-03 东莞市闻誉实业有限公司 一种三元锡-锌合金及其电镀方法
CN104213159A (zh) * 2014-09-17 2014-12-17 朱忠良 电镀液及电镀方法
CN104357884A (zh) * 2014-11-14 2015-02-18 无锡伊佩克科技有限公司 一种钢铁材料镀锌锡合金方法
CN105002526A (zh) * 2015-06-30 2015-10-28 安徽飞达新材料科技股份有限公司 一种冷轧钢板光亮剂
CN105350056B (zh) * 2015-11-24 2017-12-01 安徽天思朴超精密模具股份有限公司 耐磨损电镀液材料组合物和耐磨损电镀液的制备方法及应用
KR101678013B1 (ko) * 2016-02-15 2016-11-21 주식회사 베프스 금속성분의 액중 농도 지시체를 포함하는 도금액 및 이를 이용한 도금 방법
KR102621912B1 (ko) * 2018-12-24 2024-01-05 현대자동차주식회사 휘스커 저항성이 우수한 전기전자부품용 아연 도금 방법 및 아연 도금 강판
CN111188069A (zh) * 2019-12-31 2020-05-22 大连长丰实业总公司 一种镀锡铋合金溶液及其制备方法
CN111394734A (zh) * 2020-05-06 2020-07-10 苏州清飙科技有限公司 压铸锌合金用脱膜抛光液及其制备方法

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JPS5175633A (en) * 1974-12-27 1976-06-30 Dipsol Chem Suzu aengokinmetsukyoku
JPH02175894A (ja) * 1988-12-28 1990-07-09 Kosaku:Kk スズ、スズ合金電気めっき方法及び同電気めっき装置
JPH06122991A (ja) * 1992-09-25 1994-05-06 Deitsupusoole Kk 錫−亜鉛合金電気めっき浴
JPH06228786A (ja) * 1993-01-29 1994-08-16 Deitsupusoole Kk 錫−亜鉛合金めっき浴及びそれを使用するめっき方法
JPH10168592A (ja) * 1996-12-09 1998-06-23 Daiwa Kasei Kenkyusho:Kk 錫−亜鉛合金めっき浴
JPH11181589A (ja) * 1997-12-18 1999-07-06 Japan Energy Corp 錫合金電気めっき液およびめっき方法
JP2000026991A (ja) * 1998-07-10 2000-01-25 Daiwa Kasei Kenkyusho:Kk 錫及び錫合金メッキ浴
JP2002275678A (ja) * 2001-01-11 2002-09-25 Nikko Materials Co Ltd ウィスカーフリー錫及び錫合金めっき液、めっき被膜並びにめっき物
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Publication number Publication date
JP4594672B2 (ja) 2010-12-08
EP1811063B1 (en) 2014-12-03
BRPI0514210A2 (pt) 2009-04-28
US20070199827A1 (en) 2007-08-30
EP1811063A1 (en) 2007-07-25
KR20070031442A (ko) 2007-03-19
ES2526430T3 (es) 2015-01-12
KR100929761B1 (ko) 2009-12-03
BRPI0514210B1 (pt) 2016-05-03
JP2006052431A (ja) 2006-02-23
CN101001982B (zh) 2010-09-08
EP1811063A4 (en) 2009-03-04
CN101001982A (zh) 2007-07-18

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