CN108754468A - Galvanizing chrome-free tanning agent - Google Patents
Galvanizing chrome-free tanning agent Download PDFInfo
- Publication number
- CN108754468A CN108754468A CN201810803278.0A CN201810803278A CN108754468A CN 108754468 A CN108754468 A CN 108754468A CN 201810803278 A CN201810803278 A CN 201810803278A CN 108754468 A CN108754468 A CN 108754468A
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- CN
- China
- Prior art keywords
- agent
- sodium
- chrome
- free tanning
- mixture
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
Abstract
The invention discloses a kind of galvanizing chrome-free tanning agents, include the raw material of following mass percent：Film forming agent 5~8%, phosphatase 11~1.2%, accelerating agent 1.2~2.5%, complexing agent 0.8-3%, surplus are water, and preparation method includes the following steps：Step 1：Stirring at low speed in stirred tank is added after film forming agent, accelerating agent, complexing agent, water are mixed, stir speed (S.S.) is 800 revs/min, and mixing time 22min obtains mixture A；Step 2：Phosphoric acid is added in the mixture, the stirring of stirred tank high speed is added after mixing, stir speed (S.S.) is 5000 revs/min, and mixing time 30min obtains mixture B；Step 3：Mixture B is concentrated in vacuo 10min, obtains chrome-free tanning agent.Present component is reasonable, is free of heavy metal element, good passivation effect, bright property is preferable after passivation, without heterochromatic, can pass through 72h neutral salt spray tests.
Description
Technical field
The present invention relates to a kind of passivator, more particularly to a kind of galvanizing chrome-free tanning agent.
Background technology
Zinc-plated (including electrogalvanizing and galvanizing by dipping) be in all metal surface deposition processes the maximum plating of quantity it
One, it is widely used in each field in national economy, wherein galvanized steel plain sheet is even more auto industry, electronic instrument, household electric
The backing material of the every field such as device, building industry.Since zinc layers itself chemical property is active, with the extension of usage time,
Its protective effect to base material is gradually lost due to the corrosion by surrounding medium.It is to carry to carry out chemical passivation processing to zinc coat
The high most common method of galvanized part corrosion resisting property.
Invention content
The purpose of the present invention is to provide a kind of galvanizing chrome-free tanning agents.
The technical solution adopted by the present invention is：
Galvanizing chrome-free tanning agent, it is characterised in that：Include the raw material of following mass percent：Film forming agent 5~8%, phosphatase 11~
1.2%, accelerating agent 1.2~2.5%, complexing agent 0.8-3%, surplus are water.
The film forming agent be sodium dihydrogen phosphate, dibastic sodium phosphate, ammonium metavanadate, cerous nitrate and ammonium phosphomolybdate in one kind or
It is a variety of.
The accelerating agent is one or more in ammonium molybdate, sodium nitrite, sodium chlorate, nitrobenzene sodium sulfonate.
The complexing agent is sodium gluconate, sodium citrate, sodium potassium tartrate tetrahydrate, natrium malicum, ethylenediamine tetra-acetic acid two
It is one or more in sodium.
A kind of preparation method of the galvanizing chrome-free tanning agent, it is characterised in that：Include the following steps：
Step 1：Stirring at low speed in stirred tank, stir speed (S.S.) 800 is added after film forming agent, accelerating agent, complexing agent, water are mixed
Rev/min, mixing time 22min obtains mixture A；
Step 2：Phosphoric acid is added in the mixture, the stirring of stirred tank high speed is added after mixing, stir speed (S.S.) is 5000 revs/min,
Mixing time is 30min, obtains mixture B；
Step 3：Mixture B is concentrated in vacuo 10min, obtains chrome-free tanning agent.
Advantages of the present invention：Reasonable composition is free of heavy metal element, and good passivation effect, bright property is preferable after passivation, does not have
It is heterochromatic, 72h neutral salt spray tests can be passed through.
Specific implementation mode
The present invention is described in further detail With reference to embodiment.
Embodiment 1
Galvanizing chrome-free tanning agent includes the raw material of following mass percent：Film forming agent 5%, phosphatase 11 %, accelerating agent 1.2%, complexing
Agent 0.8%, surplus are water.
Film forming agent is one or more in sodium dihydrogen phosphate, dibastic sodium phosphate, ammonium metavanadate, cerous nitrate and ammonium phosphomolybdate.
Accelerating agent is one or more in ammonium molybdate, sodium nitrite, sodium chlorate, nitrobenzene sodium sulfonate.
Complexing agent is in sodium gluconate, sodium citrate, sodium potassium tartrate tetrahydrate, natrium malicum, disodium ethylene diamine tetraacetate
It is one or more.
The preparation method of galvanizing chrome-free tanning agent, includes the following steps：
Step 1：Stirring at low speed in stirred tank, stir speed (S.S.) 800 is added after film forming agent, accelerating agent, complexing agent, water are mixed
Rev/min, mixing time 22min obtains mixture A；
Step 2：Phosphoric acid is added in the mixture, the stirring of stirred tank high speed is added after mixing, stir speed (S.S.) is 5000 revs/min,
Mixing time is 30min, obtains mixture B；
Step 3：Mixture B is concentrated in vacuo 10min, obtains chrome-free tanning agent.
Present component is reasonable, is free of heavy metal element, good passivation effect, bright property is preferable after passivation, can without heterochromatic
Pass through 72h neutral salt spray tests.
Embodiment 2
Galvanizing chrome-free tanning agent includes the raw material of following mass percent：Film forming agent 8%, phosphatase 11 .2%, accelerating agent 2.5%, network
Mixture 3%, surplus are water.
Film forming agent is one or more in sodium dihydrogen phosphate, dibastic sodium phosphate, ammonium metavanadate, cerous nitrate and ammonium phosphomolybdate.
Accelerating agent is one or more in ammonium molybdate, sodium nitrite, sodium chlorate, nitrobenzene sodium sulfonate.
Complexing agent is in sodium gluconate, sodium citrate, sodium potassium tartrate tetrahydrate, natrium malicum, disodium ethylene diamine tetraacetate
It is one or more.
The preparation method of galvanizing chrome-free tanning agent, includes the following steps：
Step 1：Stirring at low speed in stirred tank, stir speed (S.S.) 800 is added after film forming agent, accelerating agent, complexing agent, water are mixed
Rev/min, mixing time 22min obtains mixture A；
Step 2：Phosphoric acid is added in the mixture, the stirring of stirred tank high speed is added after mixing, stir speed (S.S.) is 5000 revs/min,
Mixing time is 30min, obtains mixture B；
Step 3：Mixture B is concentrated in vacuo 10min, obtains chrome-free tanning agent.
Present component is reasonable, is free of heavy metal element, good passivation effect, bright property is preferable after passivation, can without heterochromatic
Pass through 72h neutral salt spray tests
Embodiment 3
Galvanizing chrome-free tanning agent includes the raw material of following mass percent：Film forming agent 6.5%, phosphatase 11 .1%, accelerating agent 1.8%,
Complexing agent 1.9%, surplus are water.
Film forming agent is one or more in sodium dihydrogen phosphate, dibastic sodium phosphate, ammonium metavanadate, cerous nitrate and ammonium phosphomolybdate.
Accelerating agent is one or more in ammonium molybdate, sodium nitrite, sodium chlorate, nitrobenzene sodium sulfonate.
Complexing agent is in sodium gluconate, sodium citrate, sodium potassium tartrate tetrahydrate, natrium malicum, disodium ethylene diamine tetraacetate
It is one or more.
The preparation method of galvanizing chrome-free tanning agent, includes the following steps：
Step 1：Stirring at low speed in stirred tank, stir speed (S.S.) 800 is added after film forming agent, accelerating agent, complexing agent, water are mixed
Rev/min, mixing time 22min obtains mixture A；
Step 2：Phosphoric acid is added in the mixture, the stirring of stirred tank high speed is added after mixing, stir speed (S.S.) is 5000 revs/min,
Mixing time is 30min, obtains mixture B；
Step 3：Mixture B is concentrated in vacuo 10min, obtains chrome-free tanning agent.
Present component is reasonable, is free of heavy metal element, good passivation effect, bright property is preferable after passivation, can without heterochromatic
Pass through 72h neutral salt spray tests.
Claims (5)
1. galvanizing chrome-free tanning agent, it is characterised in that：Include the raw material of following mass percent：Film forming agent 5~8%, phosphatase 11
~1.2%, accelerating agent 1.2~2.5%, complexing agent 0.8-3%, surplus are water.
2. galvanizing chrome-free tanning agent according to claim 1, it is characterised in that：The film forming agent is biphosphate
It is one or more in sodium, dibastic sodium phosphate, ammonium metavanadate, cerous nitrate and ammonium phosphomolybdate.
3. galvanizing chrome-free tanning agent according to claim 1, it is characterised in that：The accelerating agent is ammonium molybdate, Asia
It is one or more in sodium nitrate, sodium chlorate, nitrobenzene sodium sulfonate.
4. galvanizing chrome-free tanning agent according to claim 1, it is characterised in that：The complexing agent is gluconic acid
It is one or more in sodium, sodium citrate, sodium potassium tartrate tetrahydrate, natrium malicum, disodium ethylene diamine tetraacetate.
5. the preparation method of galvanizing chrome-free tanning agent according to claim 1, it is characterised in that：Include the following steps：
Step 1：Stirring at low speed in stirred tank, stir speed (S.S.) 800 is added after film forming agent, accelerating agent, complexing agent, water are mixed
Rev/min, mixing time 22min obtains mixture A；
Step 2：Phosphoric acid is added in the mixture, the stirring of stirred tank high speed is added after mixing, stir speed (S.S.) is 5000 revs/min,
Mixing time is 30min, obtains mixture B；
Step 3：Mixture B is concentrated in vacuo 10min, obtains chrome-free tanning agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803278.0A CN108754468A (en) | 2018-07-20 | 2018-07-20 | Galvanizing chrome-free tanning agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803278.0A CN108754468A (en) | 2018-07-20 | 2018-07-20 | Galvanizing chrome-free tanning agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108754468A true CN108754468A (en) | 2018-11-06 |
Family
ID=63970499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810803278.0A Pending CN108754468A (en) | 2018-07-20 | 2018-07-20 | Galvanizing chrome-free tanning agent |
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| CN (1) | CN108754468A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270231A (en) * | 2020-04-29 | 2020-06-12 | 郑州中原利达新材料有限公司 | Chromium-free passivator for powder zinc impregnation |
| CN111575693A (en) * | 2020-06-15 | 2020-08-25 | 武汉迪赛环保新材料股份有限公司 | Chromium-free pre-passivation solution for hot-dip galvanized steel pipe |
| CN113529062A (en) * | 2021-07-13 | 2021-10-22 | 山东大学 | Zinc alloy surface zinc phosphate chemical conversion coating and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538706A (en) * | 2009-04-10 | 2009-09-23 | 华南理工大学 | Preparation method for corrosion-resistant rare-earth conversion film on thermal zinc-coating surface |
| CN103952688A (en) * | 2014-04-29 | 2014-07-30 | 江门市蓬江区荷塘镇诚信精细化工厂 | Ceramic agent for hot galvanized plate and preparation method of ceramic agent |
-
2018
- 2018-07-20 CN CN201810803278.0A patent/CN108754468A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538706A (en) * | 2009-04-10 | 2009-09-23 | 华南理工大学 | Preparation method for corrosion-resistant rare-earth conversion film on thermal zinc-coating surface |
| CN103952688A (en) * | 2014-04-29 | 2014-07-30 | 江门市蓬江区荷塘镇诚信精细化工厂 | Ceramic agent for hot galvanized plate and preparation method of ceramic agent |
Non-Patent Citations (1)
| Title |
|---|
| 刘汇玲: "热镀锌用无铬钝化剂研究进展", 《世界有色金属》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270231A (en) * | 2020-04-29 | 2020-06-12 | 郑州中原利达新材料有限公司 | Chromium-free passivator for powder zinc impregnation |
| CN111575693A (en) * | 2020-06-15 | 2020-08-25 | 武汉迪赛环保新材料股份有限公司 | Chromium-free pre-passivation solution for hot-dip galvanized steel pipe |
| CN111575693B (en) * | 2020-06-15 | 2022-03-08 | 武汉迪赛环保新材料股份有限公司 | Chromium-free pre-passivation solution for hot-dip galvanized steel pipe |
| CN113529062A (en) * | 2021-07-13 | 2021-10-22 | 山东大学 | Zinc alloy surface zinc phosphate chemical conversion coating and preparation method and application thereof |
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Application publication date: 20181106 |
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