electroplating copper improving the bonding strength of the coating and providing good conductivity

The role of electroplating copper mainly includes improving the bonding strength of the coating, providing good conductivity and mechanical properties, enhancing the corrosion resistance and decorativeness of the coating, and being applied in various industrial fields.

Product Description

Chemical name: Blue dye LZ-3 Acid Copper Plating Chemicals

Application of copper electroplating

Usage: Leveling agent in acid copper solution excellent leveling ability
Characteristics: Addition amount should not be too largem otherwise,there is black shadow in LCD

concentration in the bath :10-30mg/L

What are the applications of copper plating?

1. General hardware copper plating

For hardware parts in the fields of bathroom, automobile, machinery, aerospace, etc., copper plating is a widely used surface treatment process.

2. PCB copper plating

Copper plating on the surface and in the hole of PCB can improve the conductive properties of the material and affect the integration, conductivity, signal transmission and other aspects of PCB products.

3. Composite copper foil copper plating

Electroplating is a cost-effective way to achieve surface metallization of polymer materials. negative electrode current collectors promote the transformation of new materials. Compared with traditional electrolytic copper foil, composite copper foil has the advantages of higher safety, higher energy density and lower mass production cost, and electroplating copper is the most cost-effective way to process composite copper foil materials.

4. Copper plating of photovoltaic cells

After replacing silver with copper, the best choice for electrode metallization is electroplating process. The desilvering of new batteries is the future development trend. Electroplating copper replaces silver paste screen printing, and directly electroplating denser and finer copper wires on silicon wafers increases electron absorption capacity, improves photoelectric conversion efficiency, and is expected to reduce the cost of cells.

Chemical nature

The role of electroplating copper:

1. ‌Improving the bonding strength of the coating‌: Electroplating copper is often used as a pre-plating layer to improve the bonding strength of subsequent coatings. For example, tin soldering parts, lead-tin alloys, zinc die-castings, etc. need to be plated with copper before nickel, gold, and silver plating, which can enhance the adhesion between the coatings.

2. ‌Providing good conductivity and mechanical properties‌: Copper has good conductivity and mechanical properties, and the electroplated copper layer can provide sufficient conductivity and thickness to prevent thermal and mechanical defects in the conductive circuit. In addition, the copper coating is flexible and has low porosity, which plays an important role in improving the bonding strength and corrosion resistance between the electroplated layers.

3. ‌Enhancing corrosion resistance‌: Although the copper coating cannot achieve the purpose of electrochemical corrosion protection like zinc plating, the copper coating is dense, has good corrosion resistance, can withstand bending, extension and expansion, and has a lubricating effect.

4. ‌Decorative‌: The electroplated copper layer can provide glossiness. After proper chemical treatment, various decorative colors such as bronze, copper green, black and natural color can be obtained for decorative electroplating.

5.‌Widely used‌: Electroplated copper has a wide range of applications in industry, including plastic electroplating, electroforming, finishing, etc. In addition, it also has important applications in PCB circuit board manufacturing, solar cell electroplating, hardware and plastic decorative electroplating, etc.

In summary, electroplated copper plays an important role in industry and daily life. It can not only improve the performance of products, but also increase the beauty and service life of products.