Innovative application and market prospects of liquid conductive adhesive for power cable accessories

In the power transmission system, cable accessories are key components whose performance directly affects the safe and stable operation of the entire power system. Liquid conductive adhesive, as an innovative material, is widely used in power cable accessories, providing strong support for the development of the power industry with its unique properties and advantages. Advanced Institute of Technology willLiquid conductive adhesiveIn depth exploration will be conducted on the composition, characteristics, preparation process, applications, and market prospects of the product.

1、 Composition of Liquid Conductive Adhesive

The liquid conductive adhesive used for power cable accessories is mainly composed of resin matrix, conductive filler, curing agent, and other additives. Silicone rubber is commonly used as the resin matrix due to its excellent insulation, weather resistance, and resistance to high and low temperatures, making it very suitable for the working environment of power cables.conductive fillerThis includes conductive carbon black, silver powder, etc., used to impart conductivity to the adhesive solution. Curing agents are used to promote the solidification and molding of the adhesive solution, ensuring a tight bond with cable accessories. In addition, in order to improve the flowability of the adhesive and reduce viscosity, appropriate diluents, plasticizers, and other additives may be added.

2、 Characteristics of Liquid Conductive Adhesive

1. Excellent conductivity: By adding an appropriate amount of conductive filler, the liquid conductive adhesive can form a continuous conductive path after curing, ensuring good electrical contact and signal transmission between cable accessories.

2. Good insulation performance: Despite having conductivity, liquid conductive adhesive also has excellent insulation performance, which can effectively isolate high-voltage electric fields while ensuring conductivity, preventing leakage and short circuit accidents.

3. High temperature resistance and aging resistance: In response to the characteristics of power cables operating in harsh environments such as high temperature and humidity for a long time, liquid conductive adhesive has been specially formulated to have excellent high temperature resistance and aging resistance, ensuring long-term stability and reliability.

4. Liquidity and filling properties: As a liquid form, liquid conductive adhesive has good fluidity and filling properties, which can easily penetrate into the tiny gaps of cable accessories, achieving comprehensive and uniform coverage and bonding.

5. Environmental Protection and Safety:Modern liquid conductive adhesiveAdhering to environmental principles, it does not contain harmful solvents or volatile substances, and is harmless to the environment and human health. At the same time, its operation is simple and reduces safety risks during the construction process.

3、 Preparation process

The preparation process of liquid conductive adhesive usually includes the following steps:

1. Raw material preparation: Accurately weigh the resin matrix, conductive filler, curing agent, and other additives according to the formula requirements.

2. Mixing and dispersion: Mix and disperse resin matrix with conductive fillers and other raw materials in a high-speed mixer to ensure uniform distribution of conductive fillers in the resin matrix.

3. Defoaming treatment: The mixed adhesive contains a large number of bubbles, which need to be defoamed by a vacuum defoamer to improve the fluidity of the adhesive and its performance after curing.

4. Filling and packaging: After defoaming, the adhesive liquid is filled into a dedicated container by a filling machine and sealed for storage and transportation.

4、 Application Fields

Liquid conductive adhesive for power cable accessories is mainly used in the following fields:

1. Cable termination: During the production process of cable termination, liquid conductive adhesive can be used to fill and bond the gap between the insulation layer and the metal shielding layer, ensuring the sealing and conductivity of the terminal.

2. Cable intermediate joint: In the production of cable intermediate joints, liquid conductive adhesive can be used to enhance the conductivity and mechanical strength of the joint, improve the reliability and durability of the joint.

3. Other cable accessories, such as stress cones, cable branch boxes, etc., liquid conductive adhesive can also be used in the production and installation process of these accessories to ensure a tight connection and good conductivity between the accessories and the cable body.

5、 Market prospects

With the rapid development of the power industry and the continuous expansion of the power grid scale, the performance requirements for power cable accessories are becoming increasingly high. Liquid conductive adhesive has broad market prospects due to its excellent performance and wide application fields. In the future, with the continuous advancement of technology and further cost reduction, liquid conductive adhesive is expected to occupy a larger market share in the power cable accessory market, making greater contributions to the development of the power industry.

in summary,Liquid conductive adhesive for power cable accessoriesIt is an innovative material with unique properties and broad application prospects. By continuously optimizing formulas and preparation processes to improve product performance and stability, liquid conductive adhesives will play a more important role in the power industry.