CN105755512B - A kind of tin methane sulfonate antioxidant and preparation method thereof and application method - Google Patents
A kind of tin methane sulfonate antioxidant and preparation method thereof and application method Download PDFInfo
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- CN105755512B CN105755512B CN201610124607.XA CN201610124607A CN105755512B CN 105755512 B CN105755512 B CN 105755512B CN 201610124607 A CN201610124607 A CN 201610124607A CN 105755512 B CN105755512 B CN 105755512B
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- methane sulfonate
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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
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- Chemical Kinetics & Catalysis (AREA)
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- Electroplating And Plating Baths Therefor (AREA)
Abstract
The invention belongs to plated material production technical field, is related to a kind of tin methane sulfonate antioxidant and preparation method thereof and application method, and wherein tin methane sulfonate is with the component and percentage by weight of antioxidant：Phytic acid 3 5%, citric acid 1 2%, ascorbic acid 1 2%, ethylenediamine tetra-acetic acid 1 2%, remaining is deionized water.Antioxidant of the present invention can postpone the solution of tin methane sulfonate muddy time, hence it is evident that improve antioxidant effect.
Description
Technical field
The present invention relates to plated material production technical field, the lasting tin methane sulfonate of more particularly to a kind of antioxidant effect
With antioxidant and preparation method thereof and application method.
Background technology
At present, World PCB industry production value reaches 45,000,000,000 dollars every year, and semicon industry is only second in electronics industry, and
The growth rate of China has cost and the market advantage.PCB industries by cost and downstream industry transfer due to being influenceed, just gradually
China is transferred to, worldwide China is the PCB markets of most growth.Simultaneously as PCB is in basic electronic industry
Unique status, have become most active industry in contemporary electronic element industry.
Tin plating and its alloy is a kind of good weldability and has the coating of certain anti-corrosion capability, electronic component, track
Extensive use in the plate of road.Tin methane sulfonate is the master of current electrotinning, electroplating tin alloy, chemical plating stannum, chemical plating stannum alloy etc.
Want raw material.Tin methane sulfonate and pyrovinic acid etc. are combined, and are referred to as pyrovinic acid plating system, with conventional fluoboric acid
System is compared with sulfuric acid system, there is huge superiority：Its electroplating wastewater is relatively easily handled；Quality of coating is reliable and stable；
High speed electrodeposition can be achieved, improve production efficiency etc..At present, pyrovinic acid electric plating body almost replaces completely in terms of tying up to electronics finishing
For fluoboric acid system and sulfuric acid system.
Most of solution of tin methane sulfonate prevents the oxidation of solution using catechol or hydroquinones in the market,
Oxidation-protective effect is obvious in short time, but growth over time, and its antioxidant effect is gradually reduced, and solution can become cloudy,
Influence using effect.
Therefore, it is necessary to providing a kind of needs to provide a kind of new antioxidant to avoid problem above.
The content of the invention
It is a primary object of the present invention to provide a kind of lasting tin methane sulfonate antioxidant of antioxidant effect and its
Application method.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of tin methane sulfonate antioxidant, by phytic acid, lemon
Lemon acid, ascorbic acid, ethylenediamine tetra-acetic acid and deionized water composition, its each component content are：Phytic acid 3-5%, citric acid 1-
2%th, ascorbic acid 1-2%, ethylenediamine tetra-acetic acid 1-2%, remaining is deionized water.
A kind of preparation method of tin methane sulfonate antioxidant, comprises the following steps：
1. 30% deionized water is added in a reservoir；
2. in the case of stirring, phytic acid is added by proportioning, is stirred；
3. in the case of stirring, citric acid is at the uniform velocity added by proportioning, continue to stir 5-10 minutes；
4. stirring in the case of, by proportioning at the uniform velocity add ascorbic acid, after the completion of continue stir 5-10 minutes；
5. in the case of stirring, ethylenediamine tetra-acetic acid is at the uniform velocity added by proportioning, continue to stir 5-10 minutes；
6. moisturizing to aequum, after the completion of stir.
A kind of application method of tin methane sulfonate antioxidant, comprises the following steps：Added in solution of tin methane sulfonate
7-10% tin methane sulfonate antioxidant.
The beneficial effect of technical solution of the present invention is：Antioxidant of the present invention can postpone solution of tin methane sulfonate muddiness
Time, hence it is evident that improve antioxidant effect.
Embodiment
The present invention is described in further detail with reference to specific embodiment.
Embodiment 1
Being matched with percentage by weight for each component is carried out in following ratios：Phytic acid 3%, citric acid 1%, ascorbic acid 1%,
Ethylenediamine tetra-acetic acid 1%, surplus are deionized water.
The embodiment tin methane sulfonate is with the preparation process of antioxidant：According to said components content, elder generation is in a reservoir
Add the water of formula gross weight 30%；In the case of stirring, phytic acid is added；In the case of stirring, citric acid is at the uniform velocity added, continues to stir
Mix 5-10 minutes；In the case of stirring, ascorbic acid is at the uniform velocity added, continues to stir 5-10 minutes；In the case of stirring, second is added
Ethylenediamine tetraacetic acid (EDTA), moisturizing to aequum, stirs.
The embodiment tin methane sulfonate is with the application method of antioxidant：Add 7-10%'s in solution of tin methane sulfonate
Tin methane sulfonate antioxidant.
Embodiment 2-5
The method that EXPERIMENTAL EXAMPLE 1 is repeated by each component content specified in table 1, is obtained anti-oxidant made of different component
Agent.
Table 1：
| Phytic acid | Citric acid | Ascorbic acid | Ethylenediamine tetra-acetic acid | Deionized water | |
| Embodiment 1 | 3% | 1% | 1% | 1% | 94% |
| Embodiment 2 | 5% | 2% | 2% | 2% | 89% |
| Embodiment 3 | 4% | 1.50% | 1.50% | 1.50% | 81.50% |
| Embodiment 4 | 3.50% | 1.40% | 1.20% | 1.80% | 92.10% |
| Embodiment 5 | 4.50% | 1.70% | 1.40% | 1.50% | 90.90% |
Detection method is：The solution of tin methane sulfonate for adding antioxidant is stood at 50 DEG C, observation starts muddy
Time, while using the solution of tin methane sulfonate containing 9% catechol/hydroquinones as reference examples, the experimental result such as institute of table 2
Show.
Table 2：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Reference examples | |
| Use accounting | 7% | 8% | 9% | 10% | 8% | 9% |
| The muddy time/day | 20 | 21 | 21 | 22 | 20 | 6 |
It is can be seen that from the test result shown in table 2 compared to traditional catechol/hydroquinones antioxidant, this hair
Bright antioxidant can make more than 3 times of muddy time retardation, and antioxidant effect lifting is obvious.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.
Claims (3)
- A kind of 1. tin methane sulfonate antioxidant, it is characterised in that：By phytic acid, citric acid, ascorbic acid, ethylenediamine tetra-acetic acid And deionized water composition, its each component content are：Phytic acid 3-5%, citric acid 1-2%, ascorbic acid 1-2%, ethylenediamine tetraacetic Acetic acid 1-2%, remaining is deionized water.
- 2. the preparation method of tin methane sulfonate antioxidant described in a kind of claim 1, it is characterised in that comprise the following steps：1. 30% deionized water is added in a reservoir；2. in the case of stirring, phytic acid is added by proportioning, is stirred；3. in the case of stirring, citric acid is at the uniform velocity added by proportioning, continue to stir 5-10 minutes；4. stirring in the case of, by proportioning at the uniform velocity add ascorbic acid, after the completion of continue stir 5-10 minutes；5. in the case of stirring, ethylenediamine tetra-acetic acid is at the uniform velocity added by proportioning, continue to stir 5-10 minutes；6. moisturizing to aequum, after the completion of stir.
- 3. the application method of tin methane sulfonate antioxidant described in a kind of claim 1, it is characterised in that comprise the following steps： 7-10% tin methane sulfonate antioxidant is added in solution of tin methane sulfonate.
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| CN201610124607.XA CN105755512B (en) | 2016-03-04 | 2016-03-04 | A kind of tin methane sulfonate antioxidant and preparation method thereof and application method |
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| CN201610124607.XA CN105755512B (en) | 2016-03-04 | 2016-03-04 | A kind of tin methane sulfonate antioxidant and preparation method thereof and application method |
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| CN105755512B true CN105755512B (en) | 2018-01-05 |
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| CN111763930B (en) * | 2020-07-14 | 2022-04-19 | 赤壁市聚茂新材料科技有限公司 | Non-palladium activated copper plating process and sensitizer and activator thereof |
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Address after: Huangpu Road, Qiandeng Town Kunshan city Suzhou City, Jiangsu Province, No. 1647 215000 Patentee after: Jiangsu Essen semiconductor materials Limited by Share Ltd Address before: Huangpu Road, Qiandeng Town Kunshan city Suzhou City, Jiangsu Province, No. 1647 215000 Patentee before: ASEM (Suzhou) Electronic Material Co., Ltd. |
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