CN102002740A - Special preparation method for wire and strip zinc-plating brightener - Google Patents
Special preparation method for wire and strip zinc-plating brightener Download PDFInfo
- Publication number
- CN102002740A CN102002740A CN 201010568626 CN201010568626A CN102002740A CN 102002740 A CN102002740 A CN 102002740A CN 201010568626 CN201010568626 CN 201010568626 CN 201010568626 A CN201010568626 A CN 201010568626A CN 102002740 A CN102002740 A CN 102002740A
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- zinc
- plating
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- coating
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Abstract
The invention relates to a special preparation method for a wire and strip zinc-plating brightener. The zinc-plating brightener is prepared by adopting components like C10H10O, RO(CH2CH2O)3SO3NH4, C6H5CO2Na, an NNO dispersing agent, C6H5NO2 and the like through the steps of dissolving in certain proportion and evenly mixing. The invention can realize rapid zinc plating under the higher current and can obviously improve the brightness, the flatness and the plating compactness of a zinc-plated layer.
Description
Technical field
The present invention is a kind of preparation that is exclusively used in wire rod, band zinc-plating brightener, relates to the preparation and the technology field of brightening agent in the plating.
Background technology
Zinc coating has good electrochemical anti-corrosive erosion performance, and is particularly after passivation, very stable in atmosphere, can effectively improve the anti-corrosion capability of product, increases the service life and has good ornamental.The at present zinc-plated zincate galvanizing, sulfate zinc plating, alkaline cyanide of mainly comprising is zinc-plated etc.Need bigger current density and can be zinc-plated fast when the simple wire rod of profile, band and tubing are zinc-plated.Because the sulfate bath cost is low, current efficiency is high, can use very high current density, sedimentation velocity is fast, so the general sulfate zinc plating that adopts when the simple wire rod of profile, band and tubing are zinc-plated.But the dispersive ability of sulfate zinc plating is a little than other galvanizing solution difference, and crystallization is thicker.For improving plating solution performance, improve the compactness of coating and introduce brightening agent.Make plating bath and coating performance obtain very big improvement after adding brightening agent, coating is careful, bright and can realize zinc-plated fast under big electric current.
Big electric current is zinc-plated has fast down invented a kind of wire rod, tubing, band zinc-plating brightener of being exclusively used in the luminance brightness that improves zinc coating, leveling property and coating compactness in order to be implemented in the present invention.
The present invention adopts C
10H
10O, RO (CH
2CH
2O)
3SO
3NH
4, C
6H
5CO
2Na, NNO diffusant, C
6H
5NO
2The brightening agent that is exclusively used in wire rod, tubing, band galvanizing flux Deng the material composition.
Concrete preparation method of the present invention comprises the step of following order:
A. with the C of calculated amount
6H
5CO
2Na pours in a small amount of hot water (80 ℃), stirs it is fully dissolved;
B. the NNO diffusant of calculated amount is poured into, stirring is fully dissolved it;
C. respectively with the C of calculated amount
10H
10O and RO (CH
2CH
2O)
3SO
3NH
4Slowly pour into, stir;
D. with the C of calculated amount
6H
5NO
2Add, stir and make its dissolving;
E. keep the temperature about 70 ℃ to stir more than the 24h, leave standstill the 24h after-filtration then.
A kind of wire rod, tubing, band zinc brightening agent of being exclusively used in of gained of the present invention is auburn liquid.Description of test
The present invention observes the coating luminance brightness by carrying out sulfate zinc plating experiment, find brightening agent in 25～35mL/L, current density at 6～10A/dm
2Can obtain bright coating in the scope.When brightening agent during, plating under differing temps, find when temperature during the acquisition bright coating at 20 ℃～50 ℃ at proper range.
Embodiment
The concrete preparation process of present embodiment is as follows:
A. prepare general sulfate zinc plating solution, and adjust pH value.
B. the brightening agent with calculated amount adds sulfate zinc plating solution while stirring, makes its thorough mixing even.
C. adjust the plating bath pH value once more, make it within processing range.
D. temperature is controlled in 25 ℃～30 ℃, increases brightening agent concentration successively, observe the zinc coating luminance brightness, obtain best bright agent concentration scope.
E. brightening agent concentration is controlled in the optimum concentration range, carries out zinc-platedly respectively successively from low paramount temperature, observe the zinc coating luminance brightness, obtain optimum temperature range.
Claims (2)
1. a preparation that is exclusively used in wire rod, band zinc-plating brightener mainly comprises C
10H
10O, RO (CH
2CH
2O)
3SO
3NH
4, NNO diffusant, C
6H
5CO
2Na, C
6H
5NO
2, it is characterized in that: this brightening agent can be realized zinc-plated fast under big electric current and can significantly improve the luminance brightness of zinc coating, leveling property and coating compactness.
2. a kind of preparation that is exclusively used in wire rod, band brightening agent according to claim 1 is characterized in that: C
10H
10The content of O is 20～30g/L; H
2CHRO (C
2O)
3SO
3NH
4Content be 300～400g/L; The content of NNO diffusant is 100～200g/L; C
6H
5CO
2The content of Na is 70～100g/L; C
6H
5NO
2Content be 3.0～4.8g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010568626 CN102002740A (en) | 2010-12-01 | 2010-12-01 | Special preparation method for wire and strip zinc-plating brightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010568626 CN102002740A (en) | 2010-12-01 | 2010-12-01 | Special preparation method for wire and strip zinc-plating brightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102002740A true CN102002740A (en) | 2011-04-06 |
Family
ID=43810436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010568626 Pending CN102002740A (en) | 2010-12-01 | 2010-12-01 | Special preparation method for wire and strip zinc-plating brightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102002740A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184479A (en) * | 2013-04-12 | 2013-07-03 | 北京美坚默克化工产品有限公司 | Galvanized composite brightening agent and preparation method thereof |
| CN112080715A (en) * | 2020-08-31 | 2020-12-15 | 中国南方电网有限责任公司超高压输电公司柳州局 | Processing method for obtaining high-corrosion-resistance ultra-thick zinc coating of electric power fitting |
-
2010
- 2010-12-01 CN CN 201010568626 patent/CN102002740A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| 《电镀与涂饰》 20001231 王宗雄等 酸性镀锌光亮剂的配制 第49-51页 第19卷, 第6期 2 * |
| 《表面技术》 20030228 王孝镕等 一种新的硫酸盐镀锌光亮剂的研制 第46-48页 第32卷, 第1期 2 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184479A (en) * | 2013-04-12 | 2013-07-03 | 北京美坚默克化工产品有限公司 | Galvanized composite brightening agent and preparation method thereof |
| CN103184479B (en) * | 2013-04-12 | 2015-09-30 | 北京美坚默克化工产品有限公司 | A kind of zinc-plated multibrightener and preparation method thereof |
| CN112080715A (en) * | 2020-08-31 | 2020-12-15 | 中国南方电网有限责任公司超高压输电公司柳州局 | Processing method for obtaining high-corrosion-resistance ultra-thick zinc coating of electric power fitting |
| CN112080715B (en) * | 2020-08-31 | 2022-07-01 | 中国南方电网有限责任公司超高压输电公司柳州局 | Processing method for obtaining high-corrosion-resistance ultra-thick zinc coating of electric power fitting |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110406 |