CN104630833B - A kind of preparation method of the tin plating brightener of alkaline electro - Google Patents
A kind of preparation method of the tin plating brightener of alkaline electro Download PDFInfo
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- CN104630833B CN104630833B CN201510102113.7A CN201510102113A CN104630833B CN 104630833 B CN104630833 B CN 104630833B CN 201510102113 A CN201510102113 A CN 201510102113A CN 104630833 B CN104630833 B CN 104630833B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
Abstract
The invention discloses the preparation method of the tin plating brightener of a kind of alkaline electro, its method is: under the temperature conditions less than 15 DEG C, mixes isopropanol and acetaldehyde；Sodium hydrate aqueous solution is dripped in 0.5 hour, stirring while adding；Dropping drips ortho-aminotoluene again after finishing, keep temperature to be less than 20 DEG C；After adding isopropanol to be then warmed up to 60 65 DEG C of stirrings 1.5 hours；Be sequentially added into ethanol, formaldehyde, niacin, Beta Naphthol 99MIN, alkylphenol-polyethenoxy (21) ether stir more than 0.5 hour；Drip formic acid in 0.5 hour, be warmed up to 70 75 DEG C of stirrings more than 2 hours；Add 4 phenyl 3 butylene 2 ketone, after stirring 0.5 hour at temperature 70 75 DEG C；Naturally cool to room temperature, add pure water some, obtain the tin plating brightener of alkaline electro.The addition of the tin plating brightener of alkaline electro of the present invention is the 3 5% of electro-plating liquid fraction, the problem solving the tin plating brightener of current alkaline electro.
Description
Technical field
The present invention relates to the preparation method of a kind of electrotinning brightener, be specifically related to the preparation method of the tin plating brightener of a kind of alkaline electro.
Background technology
Tin coating has anticorrosive, non-toxic and solderability, is widely used in each industrial circle, particularly electronics industry.Due to the restriction to the heavy metal such as Cr VI, cadmium, tin plating industry is more widely used.It owing to basic plating process of tin not yet finding the brightener improving tin coating bright property, so the tin plating tin coating bright property of present alkaline electro is poor, is its obvious shortcoming.
Content of the invention
The invention aims to solve the low problem of the tin plating brightness of existing alkaline electro, and provide the preparation method of the tin plating brightener of a kind of alkaline electro.
The preparation method of the tin plating brightener of a kind of alkaline electro of the present invention follows the steps below: under the temperature conditions less than 15 DEG C, mixes 25 milliliters of isopropanols and 40 milliliters of acetaldehyde；In 30 minutes, 30 milliliters of mass fractions of dropping are the sodium hydrate aqueous solution of 10%, stirring while adding, and the temperature controlling whole process to be less than 15 DEG C；After dropping finishes, stir 30 minutes at a temperature of being 15 DEG C, then in 30 minutes, drip 13 milliliters of ortho-aminotoluenes, keep temperature to be less than 20 DEG C simultaneously；Add 100 milliliters of isopropanols, be then warmed up to 60 DEG C, stir 90 minutes at 62 ± 2 DEG C；It is sequentially added into 90 milliliters of ethanol, 90 milliliters of formaldehyde, 4 grams of niacins, 12 grams of betanaphthols, 65 grams of alkylphenol-polyethenoxy (21) ethers, stirs 30 minutes, keep temperature 62 ± 2 DEG C；Drip 40 milliliters of formic acid in 30 minutes, be warmed up to 70 DEG C, stir 120 minutes at temperature 72 ± 2 DEG C；Add 1.5 grams of 4-phenyl-3-butene-2-one, stir 30 minutes at temperature 72 ± 2 DEG C；Naturally cool to room temperature, add pure water to being 500 milliliters to volume, obtain the tin plating brightener of alkaline electro.
Detailed description of the invention
Embodiment one
(1) mixing 25 milliliters of isopropanols and 40 milliliters of acetaldehyde in the beaker of 500 milliliters, beaker is immersed in ice-water bath, and the temperature of control mixture is less than 15 DEG C；
(2) in 30 minutes, 30 milliliters of mass fractions of dropping are the sodium hydrate aqueous solution of 10%, stirring while adding, and the temperature controlling whole process to be less than 15 DEG C；
(3) after dropping finishes, stir 30 minutes at a temperature of being 15 DEG C, then in 30 minutes, drip 13 milliliters of ortho-aminotoluenes, keep temperature to be less than 20 DEG C simultaneously；
(4) above-mentioned product is moved in the there-necked flask of 500 milliliters, add 100 milliliters of isopropanols, be then warmed up to 60 DEG C, stir 90 minutes at 62 ± 2 DEG C；
(5) it is sequentially added into 90 milliliters of ethanol, 90 milliliters of formaldehyde, 4 grams of niacins, 12 grams of betanaphthols, 65 grams of alkylphenol-polyethenoxy (21) ethers, stirs 30 minutes, keep temperature 62 ± 2 DEG C；
(6) in 30 minutes, drip 40 milliliters of formic acid, be warmed up to 70 DEG C, stir 120 minutes at temperature 72 ± 2 DEG C；
(7) add 1.5 grams of 4-phenyl-3-butene-2-one, stir 30 minutes at temperature 72 ± 2 DEG C；
(8) naturally cool to room temperature, add pure water to being 500 milliliters to volume, obtain the tin plating brightener of alkaline electro.
Embodiment two
(1) mixing 50 milliliters of isopropanols and 80 milliliters of acetaldehyde in the beaker of 1000 milliliters, beaker is immersed in ice-water bath, and the temperature of control mixture is less than 15 DEG C；
(2) in 30 minutes, 60 milliliters of mass fractions of dropping are the sodium hydrate aqueous solution of 10%, stirring while adding, and the temperature controlling whole process to be less than 15 DEG C；
(3) after dropping finishes, stir 30 minutes at a temperature of being 15 DEG C, then in 30 minutes, drip 26 milliliters of ortho-aminotoluenes, keep temperature to be less than 20 DEG C simultaneously；
(4) above-mentioned product is moved in the there-necked flask of 1000 milliliters, add 200 milliliters of isopropanols, be then warmed up to 60 DEG C, stir 90 minutes at 62 ± 2 DEG C；
(5) it is sequentially added into 180 milliliters of ethanol, 180 milliliters of formaldehyde, 8 grams of niacins, 24 grams of betanaphthols, 130 grams of alkylphenol-polyethenoxy (21) ethers, stirs 30 minutes, keep temperature 62 ± 2 DEG C；
(6) in 30 minutes, drip 80 milliliters of formic acid, be warmed up to 70 DEG C, stir 120 minutes at temperature 72 ± 2 DEG C；
(7) add 3 grams of 4-phenyl-3-butene-2-one, stir 30 minutes at temperature 72 ± 2 DEG C；
(8) naturally cool to room temperature, add pure water to being 1000 milliliters to volume, obtain the tin plating brightener of alkaline electro.
Embodiment three
(1) mixing 75 milliliters of isopropanols and 120 milliliters of acetaldehyde in the beaker of 2000 milliliters, beaker is immersed in ice-water bath, and the temperature of control mixture is less than 15 DEG C；
(2) in 30 minutes, 90 milliliters of mass fractions of dropping are the sodium hydrate aqueous solution of 10%, stirring while adding, and the temperature controlling whole process to be less than 15 DEG C；
(3) after dropping finishes, stir 30 minutes at a temperature of being 15 DEG C, then in 30 minutes, drip 39 milliliters of ortho-aminotoluenes, keep temperature to be less than 20 DEG C simultaneously；
(4) above-mentioned product is moved in the there-necked flask of 2000 milliliters, add 300 milliliters of isopropanols, be then warmed up to 60 DEG C, stir 90 minutes at 62 ± 2 DEG C；
(5) it is sequentially added into 270 milliliters of ethanol, 270 milliliters of formaldehyde, 12 grams of niacins, 36 grams of betanaphthols, 195 grams of alkylphenol-polyethenoxy (21) ethers, stirs 30 minutes, keep temperature 62 ± 2 DEG C；
(6) in 30 minutes, drip 120 milliliters of formic acid, be warmed up to 70 DEG C, stir 120 minutes at temperature 72 ± 2 DEG C；
(7) add 4.5 grams of 4-phenyl-3-butene-2-one, stir 30 minutes at temperature 72 ± 2 DEG C；
(8) naturally cool to room temperature, add pure water to being 1500 milliliters to volume, obtain the tin plating brightener of alkaline electro.
Claims (1)
1. the preparation method of the tin plating brightener of an alkaline electro, it is characterised in that preparation method follows the steps below:
(1) under the temperature conditions less than 15 DEG C, 20-30 milliliter isopropanol and 35-45 milliliter acetaldehyde are mixed；
(2) dripping the sodium hydrate aqueous solution that 25-35 milliliter mass fraction is 10% in 0.5 hour, stirring while adding, the temperature controlling whole process to be less than 15 DEG C；
(3) after dropping finishes, after stirring 0.5 hour at a temperature of being 15 DEG C, then in 0.5 hour, drip 10-15 milliliter ortho-aminotoluene, keep temperature to be less than 20 DEG C simultaneously；
(4) add 90-110 milliliter isopropanol, be then warmed up to 60 DEG C, stir more than 1.5 hours at 60-65 DEG C；
(5) it is sequentially added into 80-100 milliliter ethanol, 80-100 milliliter formaldehyde, 3.5-4.5 gram of niacin, 11-13 gram of betanaphthol, 60-70 gram of alkylphenol-polyethenoxy (21) ether, stirs more than 0.5 hour, keep temperature 60-65 DEG C；
(6) in 0.5 hour, drip 35-45 milliliter formic acid, be warmed up to 70 DEG C, stir more than 2 hours at temperature 70-75 DEG C；
(7) add 4-phenyl-3-butene-2-one 1.0-2.0 gram, stir more than 0.5 hour at temperature 70-75 DEG C；
(8) naturally cool to room temperature, add pure water to being 500 milliliters to volume, obtain the tin plating brightener of alkaline electro.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510102113.7A CN104630833B (en) | 2015-03-10 | 2015-03-10 | A kind of preparation method of the tin plating brightener of alkaline electro |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510102113.7A CN104630833B (en) | 2015-03-10 | 2015-03-10 | A kind of preparation method of the tin plating brightener of alkaline electro |
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| Publication Number | Publication Date |
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| CN104630833A CN104630833A (en) | 2015-05-20 |
| CN104630833B true CN104630833B (en) | 2016-11-09 |
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| CN201510102113.7A Expired - Fee Related CN104630833B (en) | 2015-03-10 | 2015-03-10 | A kind of preparation method of the tin plating brightener of alkaline electro |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106757190A (en) * | 2016-11-21 | 2017-05-31 | 江苏梦得新材料科技有限公司 | A kind of electrotinning light agent solution |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3515653A (en) * | 1965-04-10 | 1970-06-02 | Yorkshire Dyeware & Chem Co Lt | Preparation of additives for electroplating baths |
| US4252618A (en) * | 1980-02-11 | 1981-02-24 | Pitt Metals & Chemicals, Inc. | Method of electroplating tin and alkaline electroplating bath therefor |
| RU2094542C1 (en) * | 1996-04-02 | 1997-10-27 | Попов Андрей Николаевич | Method for production of flash-forming additive |
| CN1390985A (en) * | 2001-05-24 | 2003-01-15 | 希普列公司 | Composition and method for tinplating |
| CN104060305A (en) * | 2014-06-13 | 2014-09-24 | 安徽省宁国天成电工有限公司 | Alkaline tin-plating electrolyte |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5832237B2 (en) * | 1976-04-27 | 1983-07-12 | デイツプソ−ル株式会社 | Brightening agent for metal electroplating |
-
2015
- 2015-03-10 CN CN201510102113.7A patent/CN104630833B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3515653A (en) * | 1965-04-10 | 1970-06-02 | Yorkshire Dyeware & Chem Co Lt | Preparation of additives for electroplating baths |
| US4252618A (en) * | 1980-02-11 | 1981-02-24 | Pitt Metals & Chemicals, Inc. | Method of electroplating tin and alkaline electroplating bath therefor |
| RU2094542C1 (en) * | 1996-04-02 | 1997-10-27 | Попов Андрей Николаевич | Method for production of flash-forming additive |
| CN1390985A (en) * | 2001-05-24 | 2003-01-15 | 希普列公司 | Composition and method for tinplating |
| CN104060305A (en) * | 2014-06-13 | 2014-09-24 | 安徽省宁国天成电工有限公司 | Alkaline tin-plating electrolyte |
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