CN107236948A - It is a kind of to suppress the passivator that zinc coating trivalent chromium is oxidized to Cr VI - Google Patents
It is a kind of to suppress the passivator that zinc coating trivalent chromium is oxidized to Cr VI Download PDFInfo
- Publication number
- CN107236948A CN107236948A CN201710421758.6A CN201710421758A CN107236948A CN 107236948 A CN107236948 A CN 107236948A CN 201710421758 A CN201710421758 A CN 201710421758A CN 107236948 A CN107236948 A CN 107236948A
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- CN
- China
- Prior art keywords
- passivator
- parts
- oxidized
- trivalent chromium
- zinc coating
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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
- C23C22/68—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 using aqueous solutions with pH between 6 and 8
-
- 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
- C23C22/06—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 using aqueous acidic solutions with pH less than 6
- C23C22/34—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 using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
-
- 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
- C23C22/06—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 using aqueous acidic solutions with pH less than 6
- C23C22/48—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 using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/53—Treatment of zinc or alloys based thereon
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Description
Raw material | Mass parts |
Chromic nitrate | 90 |
Nickel sulfate | 13 |
Sodium nitrate | 35 |
Sodium sulphate | 15 |
Ammonium acid fluoride | 12 |
Polyoxyethylene aliphatic alcohol ether | 2 |
Sodium sulfite | 2 |
Pure water | 200 |
Raw material | Mass parts |
Chromium sulfate | 95 |
Cobaltous sulfate | 13 |
Sodium nitrate | 30 |
Sodium sulphate | 20 |
Citric acid | 13 |
APES | 2 |
Sodium hydrogensulfite | 5 |
Pure water | 200 |
Raw material | Mass parts |
Six hydration chromic bromides | 80 |
Cerous nitrate | 20 |
Nitric acid | 35 |
Sulfuric acid | 10 |
Sodium potassium tartrate tetrahydrate | 10 |
Polyoxyethylene aliphatic alcohol ether | 1 |
Thiourea dioxide | 1 |
Pure water | 200 |
Raw material | Mass parts |
Chromium sulfate | 100 |
Nickel sulfate | 15 |
Potassium nitrate | 40 |
Sodium sulphate | 15 |
Malonic acid | 20 |
APES | 5 |
Thiourea dioxide | 3 |
Pure water | 200 |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710421758.6A CN107236948B (en) | 2017-06-07 | 2017-06-07 | A kind of passivator for inhibiting zinc coating trivalent chromium to be oxidized to Cr VI |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710421758.6A CN107236948B (en) | 2017-06-07 | 2017-06-07 | A kind of passivator for inhibiting zinc coating trivalent chromium to be oxidized to Cr VI |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107236948A true CN107236948A (en) | 2017-10-10 |
CN107236948B CN107236948B (en) | 2019-02-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710421758.6A Active CN107236948B (en) | 2017-06-07 | 2017-06-07 | A kind of passivator for inhibiting zinc coating trivalent chromium to be oxidized to Cr VI |
Country Status (1)
Country | Link |
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CN (1) | CN107236948B (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109267056A (en) * | 2018-11-26 | 2019-01-25 | 武汉风帆电化科技股份有限公司 | Admiro trivalent chromium black passivator and its preparation process |
CN109536940A (en) * | 2018-12-19 | 2019-03-29 | 广州传福化学技术有限公司 | A kind of zinc-plated passivator and Zincing passivation method |
CN110172689A (en) * | 2019-05-09 | 2019-08-27 | 东北大学 | A kind of room temperature zinc layers trivalent chromium colorful inactivating treatment liquid and preparation and application |
CN110205616A (en) * | 2019-06-27 | 2019-09-06 | 安徽鼎旺环保材料科技有限公司 | Ferrous metal passivator and preparation method thereof |
CN111364034A (en) * | 2020-02-18 | 2020-07-03 | 广州传福化学技术有限公司 | Nitrogen-free galvanized trivalent chromium color passivator and preparation method thereof |
CN111394688A (en) * | 2020-04-29 | 2020-07-10 | 郑州中原利达新材料有限公司 | Trivalent chromium passivation solution for powder zinc impregnation process |
CN113088952A (en) * | 2021-04-16 | 2021-07-09 | 上海昕沐化学科技有限公司 | Trivalent chromium passivator for galvanized material and preparation method and use method thereof |
CN113201730A (en) * | 2021-05-08 | 2021-08-03 | 遵义智通金属表面技术处理有限公司 | Automatic line galvanizing color passivation method |
CN114959674A (en) * | 2022-06-14 | 2022-08-30 | 广东比格莱科技有限公司 | Trivalent chromium blue zinc water and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103320779A (en) * | 2013-06-25 | 2013-09-25 | 上海应用技术学院 | Passivation solution capable of inhibiting formation of hexavalent chromium in trivalent chromium passivation layer as well as preparation method and application of passivation solution |
CN103898496A (en) * | 2012-12-27 | 2014-07-02 | 苏州禾川化工新材料科技有限公司 | Novel silane nano trivalent chromium passivation solution and preparation method thereof |
-
2017
- 2017-06-07 CN CN201710421758.6A patent/CN107236948B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103898496A (en) * | 2012-12-27 | 2014-07-02 | 苏州禾川化工新材料科技有限公司 | Novel silane nano trivalent chromium passivation solution and preparation method thereof |
CN103320779A (en) * | 2013-06-25 | 2013-09-25 | 上海应用技术学院 | Passivation solution capable of inhibiting formation of hexavalent chromium in trivalent chromium passivation layer as well as preparation method and application of passivation solution |
Non-Patent Citations (1)
Title |
---|
单忠德: "《机械装备工业节能减排制造技术》", 30 June 2014, 机械工业出版社 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109267056A (en) * | 2018-11-26 | 2019-01-25 | 武汉风帆电化科技股份有限公司 | Admiro trivalent chromium black passivator and its preparation process |
CN109536940A (en) * | 2018-12-19 | 2019-03-29 | 广州传福化学技术有限公司 | A kind of zinc-plated passivator and Zincing passivation method |
CN110172689A (en) * | 2019-05-09 | 2019-08-27 | 东北大学 | A kind of room temperature zinc layers trivalent chromium colorful inactivating treatment liquid and preparation and application |
CN110205616A (en) * | 2019-06-27 | 2019-09-06 | 安徽鼎旺环保材料科技有限公司 | Ferrous metal passivator and preparation method thereof |
CN111364034A (en) * | 2020-02-18 | 2020-07-03 | 广州传福化学技术有限公司 | Nitrogen-free galvanized trivalent chromium color passivator and preparation method thereof |
CN111394688A (en) * | 2020-04-29 | 2020-07-10 | 郑州中原利达新材料有限公司 | Trivalent chromium passivation solution for powder zinc impregnation process |
CN113088952A (en) * | 2021-04-16 | 2021-07-09 | 上海昕沐化学科技有限公司 | Trivalent chromium passivator for galvanized material and preparation method and use method thereof |
CN113088952B (en) * | 2021-04-16 | 2023-01-10 | 上海昕沐化学科技有限公司 | Trivalent chromium passivator for galvanized material and preparation method and use method thereof |
CN113201730A (en) * | 2021-05-08 | 2021-08-03 | 遵义智通金属表面技术处理有限公司 | Automatic line galvanizing color passivation method |
CN114959674A (en) * | 2022-06-14 | 2022-08-30 | 广东比格莱科技有限公司 | Trivalent chromium blue zinc water and preparation method thereof |
Also Published As
Publication number | Publication date |
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CN107236948B (en) | 2019-02-22 |
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Denomination of invention: Passivator for inhibiting trivalent chromium of zinc coating from being oxidized to hexavalent chromium Effective date of registration: 20200327 Granted publication date: 20190222 Pledgee: Bank of China Co., Ltd. Nansha Branch of Guangdong Free Trade Pilot Area Pledgor: GUANGZHOU CHUANFU CHEMICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020440000061 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20210420 Granted publication date: 20190222 Pledgee: Bank of China Co.,Ltd. Nansha Branch of Guangdong Free Trade Pilot Area Pledgor: GUANGZHOU CHUANFU CHEMICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020440000061 |