CN114807936A - Cobalt-containing composite coating for steel cord and preparation method thereof - Google Patents

Cobalt-containing composite coating for steel cord and preparation method thereof Download PDF

Info

Publication number
CN114807936A
CN114807936A CN202210404994.8A CN202210404994A CN114807936A CN 114807936 A CN114807936 A CN 114807936A CN 202210404994 A CN202210404994 A CN 202210404994A CN 114807936 A CN114807936 A CN 114807936A
Authority
CN
China
Prior art keywords
steel cord
cobalt
preparation
containing composite
abrasive belt
Prior art date
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.)
Pending
Application number
CN202210404994.8A
Other languages
Chinese (zh)
Inventor
倪自飞
黄河
王文凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Vocational University of Industry Technology NUIT
Original Assignee
Nanjing Vocational University of Industry Technology NUIT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Vocational University of Industry Technology NUIT filed Critical Nanjing Vocational University of Industry Technology NUIT
Priority to CN202210404994.8A priority Critical patent/CN114807936A/en
Publication of CN114807936A publication Critical patent/CN114807936A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/20—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • 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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
    • C23C24/085—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • C23C24/087—Coating with metal alloys or metal elements only
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/08—Metallic material containing only metal elements
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • B60C2009/0014—Surface treatments of steel cords

Abstract

The invention discloses a cobalt-containing composite plating layer for a steel cord and a preparation method thereof, wherein the preparation method comprises the following steps: the method comprises the following steps: the technical responsible person of the plating production carries out the review of the preparation scheme, questions and answers, technical personnel compile special preparation schemes and attention details, and carry out technical reimbursement to the working personnel; step two: carrying out integral coarse grinding and surface finish grinding treatment on the steel wire matrix of the steel cord by using a sand bag grinding tool; step three: cutting the steel wire matrix of the steel cord into sections by using hydraulic pliers; blowing the polishing scum on the surface by high-pressure gas; according to the cobalt-containing composite coating for the steel cord and the preparation method thereof, rare earth is added, the coating structure is refined, and the atomic activity is increased; the initial adhesion performance of the Cu-Zn-Co coating and the rubber is improved, the aging adhesion and the damp-heat aging adhesion performance are also more excellent, and the possibility of industrial application of the cobalt-free rubber material is increased.

Description

Cobalt-containing composite coating for steel cord and preparation method thereof
Technical Field
The invention belongs to the technical field of metal product coatings, and particularly relates to a cobalt-containing composite coating for a steel cord and a preparation method thereof.
Background
A steel cord formed by winding a steel wire or a plurality of steel wires has been widely used for the production and manufacture of tires as a carcass reinforcing material. The adhesion between the steel cord and the tire rubber is mainly provided by two reasons, namely a brass plating layer on the surface of the steel wire and the structure of the cord, wherein a copper-sulfur bond formed by a chemical reaction between the plating layer on the surface of the steel wire and the rubber in a vulcanization process is a main technical means for ensuring the adhesion between the cord and the rubber. In the prior art, all rubbers for producing and manufacturing tires contain Co element, the addition of the Co element in the rubbers can increase the adhesive force between the steel cord and the rubbers, reduce the aging rate of the adhesive layer in the using process, and play an important role in the adhesive action between the steel cord and the rubbers. However, the presence of Co in the rubber increases the rate of aging of the rubber and the rate of cracking of the rubber.
However, the existing cobalt-containing composite plating layer for the steel cord and the preparation method thereof can not increase the initial adhesive property of the Cu-Zn-Co plating layer and rubber, can not have more excellent damp-heat aging adhesive property, can not reduce the input use of Co element in rubber products, and can save resources.
Disclosure of Invention
The invention aims to provide a cobalt-containing composite plating layer for a steel cord and a preparation method thereof, and aims to solve the problems that the conventional cobalt-containing composite plating layer for the steel cord and the preparation method thereof, which are proposed in the background art, cannot increase the initial adhesion performance of a Cu-Zn-Co plating layer and rubber, cannot have more excellent wet heat aging adhesion performance, cannot reduce the use of Co elements in rubber products, and can save resources.
In order to achieve the purpose, the invention provides the following technical scheme: a cobalt-containing composite plating layer for a steel cord and a preparation method thereof are disclosed, the preparation method comprises the following steps:
the method comprises the following steps: the technical responsible person of the plating production carries out the review of the preparation scheme, questions and answers, technical personnel compile special preparation schemes and attention details, and carry out technical reimbursement to the working personnel;
step two: carrying out integral coarse grinding and surface finish grinding treatment on the steel wire matrix of the steel cord by using a sand bag grinding tool;
step three: blowing polishing scum on the surface of the steel cord steel wire matrix by high-pressure gas;
step four: spraying Cu and Mo powder on the surface layer of the steel wire matrix after purging, and heating and curing to prepare a CuMo base layer;
step five: spraying Zn/Si powder on the CuMo base layer by using a reaction plasma spray gun to prepare a SiZn bonding layer, and quickly drying the SiZn bonding layer by using warm air;
step six: preparing a Co-containing liquid rubber solution, and then coating the surface of the steel wire substrate treated in the fifth step with the Co-containing liquid rubber solution to ensure that the Co attachment amount on the surface is 0.02g/m 2 ～0.5g/m 2 Forming a steel cord with the surface containing cobalt;
step seven: manufacturing a Co-salt-free rubber block, adhering a steel cord with the surface containing cobalt on the Co-salt-free rubber block and penetrating the Co-salt-free rubber block, and then drawing out the Co-salt-free rubber block by using a drawing machine, wherein the larger the drawing force is, the better the adhesive property is.
Further, the method comprises the following steps of; in the first step, the data of the transaction should be signed by both parties and then recorded.
Further, the method comprises the following steps of; in the third step, the concentration of the sodium carbonate solution is 0.1-0.5 g/ml, and the temperature of warm air is 45-55 ℃.
Further, the method comprises the following steps of; in the second step, the abrasive belt granularity of the rough grinding abrasive belt is 35-80 meshes, the abrasive belt granularity of the fine grinding abrasive belt is 100-120 meshes, the width of the rough grinding abrasive belt is 80-100 mm, and the width of the fine grinding abrasive belt is 900-1000 mm.
Further, the method comprises the following steps of; and in the fourth step, the temperature for heating and curing is 650-750 ℃.
Further, the method comprises the following steps of; the step seven test detects initial adhesion: the extraction force in the period of time just after the completion is within 1-2 days; wet heat aging adhesion: the extraction force after a period of aging under hot and humid steam conditions was 7 days, 14 days, 21 days, 28 days.
Further, the method comprises the following steps of; the thickness of the CuMo base layer is 0.2-0.5 μm, and the thickness of the SiZn bonding layer is 0.5-0.8 μm.
Compared with the prior art, the invention has the beneficial effects that:
1. the coating production technology responsible person carries out the preparation scheme and reviews, asks questions and answers, and technical personnel compile special preparation scheme and pay attention to the details to carry out the technology to the staff, make the production work go on in good order, be difficult for causing the confusion, improve production efficiency, shortened the cobalt-containing composite coating preparation time, when meetting the problem, be convenient for pertinence solution, the material resources of using manpower sparingly.
2. The CuMo base layer, the SiZn bonding layer and the Co-containing coating are utilized, the coating is sprayed in three layers, so that the strength of the coating is higher, the crack resistance is better, the coating is not easy to fall off and durable, the CuMo base layer can ensure that the composite coating is single in main phase and free of oxide interference, the SiZn bonding layer can effectively enhance the bonding strength with the Co-containing coating, the strength of the composite coating is ensured, and the corrosion prevention effect is remarkably improved.
3. According to the cobalt-containing composite coating for the steel cord and the preparation method thereof, rare earth is added, the coating structure is refined, and the atomic activity is increased; the initial adhesion performance of the Cu-Zn-Co coating and the rubber is improved, the better wet heat aging adhesion performance can be achieved, the possibility of industrial application of the cobalt-free rubber material is increased, the use of Co in rubber products can be reduced, resources are saved, the cracking and aging of the rubber are slowed down, and the durability of the rubber is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A cobalt-containing composite plating layer for a steel cord and a preparation method thereof are disclosed, the preparation method comprises the following steps:
the method comprises the following steps: the technical responsible person of the plating production carries out the review of the preparation scheme, questions and answers, technical personnel compile special preparation schemes and attention details, and carry out technical reimbursement to the working personnel;
step two: carrying out integral coarse grinding and surface finish grinding treatment on the steel wire matrix of the steel cord by using a sand bag grinding tool;
step three: blowing polishing scum on the surface of the steel cord steel wire matrix by high-pressure gas;
step four: spraying Cu and Mo powder on the surface layer of the steel wire matrix after purging, and heating and curing to prepare a CuMo base layer;
step five: spraying Zn/Si powder on the CuMo base layer by using a reaction plasma spray gun to prepare a SiZn bonding layer, and quickly drying the SiZn bonding layer by using warm air;
step six: preparing a Co-containing liquid rubber solution, and then coating the surface of the steel wire substrate treated in the fifth step with the Co-containing liquid rubber solution to ensure that the Co attachment amount on the surface is 0.02g/m 2 ～0.5g/m 2 Forming a steel cord with the surface containing cobalt;
step seven: manufacturing a Co-salt-free rubber block, adhering a steel cord with the surface containing cobalt on the Co-salt-free rubber block and penetrating the Co-salt-free rubber block, and then drawing out the Co-salt-free rubber block by using a drawing machine, wherein the larger the drawing force is, the better the adhesive property is.
Wherein; in the first step, the data of the transaction should be signed by both parties and then recorded.
Wherein; in the third step, the concentration of the sodium carbonate solution is 0.1-0.5 g/ml, and the temperature of warm air is 45-55 ℃.
Wherein; in the second step, the abrasive belt granularity of the rough grinding abrasive belt is 35-80 meshes, the abrasive belt granularity of the fine grinding abrasive belt is 100-120 meshes, the width of the rough grinding abrasive belt is 80-100 mm, and the width of the fine grinding abrasive belt is 900-1000 mm.
Wherein; and in the fourth step, the temperature for heating and curing is 650-750 ℃.
Wherein; the step seven test detects initial adhesion: the extraction force in the period of time just after the completion is within 1-2 days; wet heat aging adhesion: the extraction force after a period of aging under hot and humid steam conditions was 7 days, 14 days, 21 days, 28 days.
Wherein; the thickness of the CuMo base layer is 0.2-0.5 μm, and the thickness of the SiZn bonding layer is 0.5-0.8 μm.
Example 2
A cobalt-containing composite plating layer for a steel cord and a preparation method thereof are disclosed, the preparation method comprises the following steps:
the method comprises the following steps: the technical responsible person of the plating production carries out the review of the preparation scheme, questions and answers, technical personnel compile special preparation schemes and attention details, and carry out technical reimbursement to the working personnel;
step two: carrying out integral coarse grinding and surface finish grinding treatment on the steel wire matrix of the steel cord by using a sand bag grinding tool;
step three: blowing polishing scum on the surface of the steel cord steel wire matrix by high-pressure gas;
step four: spraying Cu and Cr powder on the surface layer of the dried steel wire matrix, and heating and curing to prepare a CuCr base layer;
step five: spraying Zn/Si powder on the CuCr base layer by using a reaction plasma spray gun to prepare a SiZn bonding layer, and quickly drying the SiZn bonding layer by using warm air;
step six: preparing Co-containing liquid rubber solution, and then coating the surface of the steel wire substrate treated in the fifth step with the Co-containing liquid rubber solution to ensure that the Co adhesion amount on the surface is 0.02g/m 2 ～0.5g/m 2 Forming a steel cord with the surface containing cobalt;
step seven: manufacturing a Co-salt-free rubber block, adhering a steel cord with the surface containing cobalt on the Co-salt-free rubber block and penetrating the Co-salt-free rubber block, and then drawing out the Co-salt-free rubber block by using a drawing machine, wherein the larger the drawing force is, the better the adhesive property is.
Wherein; in the first step, the bottom-handed information should be signed by both parties and then recorded and stored; the data can be conveniently inquired in the later period, and the management is convenient.
Wherein; in the third step, the concentration of the sodium hydroxide solution is 0.1-0.5 g/ml, and the temperature of warm air is 45-55 ℃; the cleaning effect is better under the concentration, and the steel wire matrix of the steel cord is prevented from having dirt and rust spots to influence the production of the coating.
Wherein; in the second step, the granularity of the abrasive belt of the rough grinding abrasive belt is 35-80 meshes, the granularity of the abrasive belt of the fine grinding abrasive belt is 100-120 meshes, the width of the rough grinding abrasive belt is 80-100 mm, and the width of the fine grinding abrasive belt is 900-1000 mm; the surface of the steel cord steel wire matrix is quickly polished, the adhesion of a coating is improved, and the anti-falling effect is achieved.
Wherein; the temperature of heating and curing in the fourth step is 650-750 ℃; at the temperature, Cu and Cr powder sprayed on the surface layer of the steel wire matrix is quickly melted to form a CuCr base layer.
Wherein; the step seven test detects initial adhesion: the extraction force in the period of time just after the completion is within 1-2 days; wet heat aging adhesion: the extraction force after a period of aging under hot and humid steam conditions was 7 days, 14 days, 21 days, 28 days.
Wherein; the thickness of the CuCr base layer is 0.2-0.5 μm, and the thickness of the SiZn bonding layer is 0.5-0.8 μm; under the condition of the thickness, the adhesiveness of the whole plating layer is greatly improved, the integrity is stronger, and the cracking is prevented.
The plated steel wires were made into 3+8 x 0.33HT steel cords, and adhesion properties to rubber were measured in comparison with the Cu-Zn-Co plated steel cords of the prior art (comparative example), and the results are shown in table 1.
TABLE 1
Figure BDA0003601890480000061
The working effect of the invention is as follows: the coating production technology responsible person carries out the preparation scheme and reviews, asks questions and answers, and technical personnel compile special preparation scheme and pay attention to the details to carry out the technology to the staff, make the production work go on in good order, be difficult for causing the confusion, improve production efficiency, shortened the cobalt-containing composite coating preparation time, when meetting the problem, be convenient for pertinence solution, the material resources of using manpower sparingly. The CuMo base layer, the SiZn bonding layer and the Co-containing coating are utilized, the coating is sprayed in three layers, so that the strength of the coating is higher, the crack resistance is better, the coating is not easy to fall off and durable, the CuMo base layer can ensure that the composite coating is single in main phase and free of oxide interference, the SiZn bonding layer can effectively enhance the bonding strength with the Co-containing coating, the strength of the composite coating is ensured, and the corrosion prevention effect is remarkably improved. According to the cobalt-containing composite coating for the steel cord and the preparation method thereof, rare earth is added, the coating structure is refined, and the atomic activity is increased; the initial adhesion performance of the Cu-Zn-Co coating and the rubber is improved, the better wet heat aging adhesion performance can be achieved, the possibility of industrial application of the cobalt-free rubber material is increased, the use of Co in rubber products can be reduced, resources are saved, the cracking and aging of the rubber are slowed down, and the durability of the rubber is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A cobalt-containing composite plating layer for a steel cord and a preparation method thereof are disclosed, the preparation method comprises the following steps:
the method comprises the following steps: the technical responsible person of the plating production carries out the review of the preparation scheme, questions and answers, technical personnel compile special preparation schemes and attention details, and carry out technical reimbursement to the working personnel;
step two: carrying out integral coarse grinding and surface finish grinding treatment on the steel wire matrix of the steel cord by using a sand bag grinding tool;
step three: blowing polishing scum on the surface of the steel cord steel wire matrix by high-pressure gas;
step four: spraying Cu and Mo powder on the surface layer of the steel wire matrix after purging, and heating and curing to prepare a CuMo base layer;
step five: spraying Zn/Si powder on the CuMo base layer by using a reaction plasma spray gun to prepare a SiZn bonding layer, and quickly drying the SiZn bonding layer by using warm air;
step six: preparing a Co-containing liquid rubber solution, and then coating the surface of the steel wire substrate treated in the fifth step with the Co-containing liquid rubber solution to ensure that the Co adhesion amount on the surface is 0.02g/m 2-0.5 g/m2, so as to form a steel cord with the surface containing cobalt;
step seven: manufacturing a Co-salt-free rubber block, adhering a steel cord with the surface containing cobalt on the Co-salt-free rubber block and penetrating the Co-salt-free rubber block, and then drawing out the Co-salt-free rubber block by using a drawing machine, wherein the larger the drawing force is, the better the adhesive property is.
2. The cobalt-containing composite plating layer for a steel cord according to claim 1 and the method for producing the same, wherein: in the first step, the data of the transaction should be signed by both parties and then recorded.
3. The cobalt-containing composite plating layer for a steel cord according to claim 1 and the method for producing the same, wherein: in the third step, the concentration of the sodium carbonate solution is 0.1-0.5 g/ml, and the temperature of warm air is 45-55 ℃.
4. The cobalt-containing composite plating layer for a steel cord according to claim 1 and the method for producing the same, wherein: in the second step, the abrasive belt granularity of the rough grinding abrasive belt is 35-80 meshes, the abrasive belt granularity of the fine grinding abrasive belt is 100-120 meshes, the width of the rough grinding abrasive belt is 80-100 mm, and the width of the fine grinding abrasive belt is 900-1000 mm.
5. The cobalt-containing composite plating layer for a steel cord according to claim 1 and the method for producing the same, wherein: and in the fourth step, the temperature for heating and curing is 650-750 ℃.
6. The cobalt-containing composite plating layer for a steel cord according to claim 1 and the method for producing the same, wherein: the step seven test detects initial adhesion: the extraction force in the period of time just after the completion is within 1-2 days; wet heat aging adhesion: the extraction force after a period of aging under hot and humid steam conditions was 7 days, 14 days, 21 days, 28 days.
7. The cobalt-containing composite plating layer for a steel cord according to claim 1 and the method for producing the same, wherein: the thickness of the CuMo base layer is 0.2-0.5 μm, and the thickness of the SiZn bonding layer is 0.5-0.8 μm.
CN202210404994.8A 2022-04-18 2022-04-18 Cobalt-containing composite coating for steel cord and preparation method thereof Pending CN114807936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210404994.8A CN114807936A (en) 2022-04-18 2022-04-18 Cobalt-containing composite coating for steel cord and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210404994.8A CN114807936A (en) 2022-04-18 2022-04-18 Cobalt-containing composite coating for steel cord and preparation method thereof

Publications (1)

Publication Number Publication Date
CN114807936A true CN114807936A (en) 2022-07-29

Family

ID=82536295

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210404994.8A Pending CN114807936A (en) 2022-04-18 2022-04-18 Cobalt-containing composite coating for steel cord and preparation method thereof

Country Status (1)

Country Link
CN (1) CN114807936A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000074219A (en) * 1999-05-19 2000-12-15 최의박 Steel tire cord having a superior rubber adhesion properties
US20030079817A1 (en) * 2001-05-15 2003-05-01 Shinichi Miyazaki Composite of steel cord and rubber composition and tire using the same
JP2019105022A (en) * 2019-02-01 2019-06-27 株式会社ブリヂストン Steel cord-rubber composite and method for manufacturing the same
WO2021065931A1 (en) * 2019-09-30 2021-04-08 株式会社ブリヂストン Rubber composition, rubber/metal composite, tire, conveyor belt, hose, and crawler

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000074219A (en) * 1999-05-19 2000-12-15 최의박 Steel tire cord having a superior rubber adhesion properties
US20030079817A1 (en) * 2001-05-15 2003-05-01 Shinichi Miyazaki Composite of steel cord and rubber composition and tire using the same
JP2019105022A (en) * 2019-02-01 2019-06-27 株式会社ブリヂストン Steel cord-rubber composite and method for manufacturing the same
WO2021065931A1 (en) * 2019-09-30 2021-04-08 株式会社ブリヂストン Rubber composition, rubber/metal composite, tire, conveyor belt, hose, and crawler

Similar Documents

Publication Publication Date Title
CN101113527B (en) Electroplating product and method for preparing same
CN101195258B (en) Granite cutting slice and production method thereof
JPS62288634A (en) Production of steel wire and steel cord for reinforcement of rubber article
CN101780663A (en) Method for manufacturing coated abrasive of finished superhard material
CN106637157A (en) Method for plating nickel on surface of super-hard material
CN109825822A (en) A kind of diamond/copper semiconductor sealing material method of surface finish
CN102953101B (en) Chrome plated zinc alloy zipper and electroplating method thereof
CN102582165B (en) Composite steel belt and manufacturing method thereof
CN114807936A (en) Cobalt-containing composite coating for steel cord and preparation method thereof
CN107442596A (en) A kind of improved steel cord production method
CN110218994A (en) A kind of manufacturing method of high efficiency cutting silicon wafer diamond wire
EP0188851A1 (en) Ternary brass alloy coated steel elements for reinforcing rubber
JPS6172545A (en) Material made of steel coated with four component group brass gold and rubber reinforced by said material
CN108165930A (en) A kind of metallic surface treatment process
CN109227417A (en) A kind of electroplated diamond abrasive band and preparation method thereof
CN116536731A (en) High-wear-resistance low-loss diamond wire saw containing nickel-cobalt alloy coating and preparation method thereof
CN111763933A (en) Chemical plating process for plating nickel on surface of diamond micro powder
CN1187166C (en) Method for raising wear resistance of resin diamond grinding wheel
CN107326405A (en) A kind of electroplating surface processing technology of car belt buckle
CN115584540A (en) Diamond wire saw with composite coating and preparation process thereof
CN103060792B (en) Surface treatment method for enabling black copper works to have ugyen effect
CN212894983U (en) Composite protective layer for bicycle chain
CN107513736A (en) The processing method of metal substrate in a kind of rubber-metal composite sealing pad
CN212404279U (en) Diamond with surface magnetic coating
CN102492917B (en) Thermal spraying method of gas-guide tube of deduster

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination