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Cobalt-containing composite coating for steel cord and preparation method of cobalt-containing composite coating

A composite coating and steel cord technology, applied in the field of metal product coating, can solve the problem of not being able to reduce the use of Co element in rubber products, not increasing the initial adhesion between Cu-Zn-Co coating and rubber, and not being able to have better performance. Wet heat aging adhesion performance and other problems, to achieve the effect of superior wet heat aging adhesion performance, shorten the preparation time, and increase the initial adhesion performance

Pending Publication Date: 2022-07-29
NANJING VOCATIONAL UNIV OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of cobalt-containing composite coating for steel cord and its preparation method, to solve the existing cobalt-containing composite coating for steel cord and its preparation method proposed in the above-mentioned background technology can not increase Cu-Zn- The initial bonding performance between the Co coating and the rubber cannot have a superior humidity and heat aging bonding performance, and it cannot reduce the use of Co elements in rubber products and save resources.

Method used

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  • Cobalt-containing composite coating for steel cord and preparation method of cobalt-containing composite coating

Examples

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Embodiment 1

[0025] A cobalt-containing composite coating for steel cords and a preparation method thereof, the specific preparation method steps are as follows:

[0026] Step 1: The person in charge of the coating production technology conducts a joint review of the preparation plan, asks questions and answers, and the technical staff prepares a special preparation plan and pays attention to details, and makes technical disclosures to the staff;

[0027] Step 2: Use the sand bag grinding tool to carry out overall rough grinding and surface fine grinding treatment on the steel cord steel wire substrate;

[0028] Step 3: Purging the surface of the grinding scum on the surface of the steel cord steel wire matrix through high-pressure gas;

[0029] Step 4: spray Cu and Mo powders on the surface layer of the cleaned steel wire substrate, and heat and solidify to prepare a CuMo base layer;

[0030] Step 5: Use a reactive plasma spray gun to spray Zn / Si powder on the CuMo base layer to prepare ...

Embodiment 2

[0040] A cobalt-containing composite coating for steel cords and a preparation method thereof, the specific preparation method steps are as follows:

[0041] Step 1: The person in charge of the coating production technology conducts a joint review of the preparation plan, asks questions and answers, and the technical staff prepares a special preparation plan and pays attention to details, and makes technical disclosures to the staff;

[0042] Step 2: Use the sand bag grinding tool to carry out overall rough grinding and surface fine grinding treatment on the steel cord steel wire substrate;

[0043] Step 3: Purging the surface of the grinding scum on the surface of the steel cord steel wire matrix through high-pressure gas;

[0044] Step 4: spray Cu and Cr powder on the surface layer of the dried steel wire substrate, and heat and solidify to prepare a CuCr base layer;

[0045] Step 5: spray Zn / Si powder on the CuCr base layer with a reactive plasma spray gun to prepare a SiZ...

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Abstract

The invention discloses a cobalt-containing composite coating for a steel cord and a preparation method of the cobalt-containing composite coating. The specific preparation method comprises the following steps that 1, a coating production technology principal conducts preparation scheme review and puts forward questions and answers, technicians compile special preparation schemes and pay attention to details, and technical disclosure is conducted to workers; secondly, a sand bag grinding tool is used for conducting overall rough grinding and surface accurate grinding treatment on the steel cord steel wire base body; thirdly, the steel cord steel wire base body is cut into sections through a hydraulic clamp; polishing scum on the surface is purged through high-pressure gas; according to the cobalt-containing composite coating for the steel cord and the preparation method of the cobalt-containing composite coating, rare earth is added, the coating structure is refined, and the atomic activity is improved; the initial bonding performance of the Cu-Zn-Co coating and rubber is improved, meanwhile, more excellent aging bonding performance and damp-heat aging bonding performance can be achieved, and the possibility of industrial application of the cobalt-free sizing material is increased.

Description

technical field [0001] The invention belongs to the technical field of metal product coating, and particularly relates to a cobalt-containing composite coating for steel cords and a preparation method thereof. Background technique [0002] Steel cords wound by one steel wire or multiple steel wires have been widely used in the production of tires as a skeleton reinforcement material. The adhesion between the steel cord and the tire rubber is mainly provided by the brass coating on the surface of the steel wire and the structure of the cord. Among them, the copper-sulfur bond formed by the chemical reaction between the coating on the surface of the steel wire and the rubber during the vulcanization process is the guarantee of the cord. The main technical means of adhesion with rubber. In the prior art, the rubber used to manufacture tires contains Co element. The addition of Co element in the rubber can increase the adhesive force between the steel cord and the rubber, reduc...

Claims

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Application Information

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IPC IPC(8): C23C28/02B05D7/20B05D7/24C23C4/08C23C4/134C23C24/08B60C9/00
CPCC23C28/021C23C24/087C23C4/08C23C4/134B05D7/20B05D7/24B60C9/0007B60C2009/0014
Inventor 倪自飞黄河王文凯
Owner NANJING VOCATIONAL UNIV OF IND TECH
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