This section provides an overview for antistatic agents as well as their applications and principles. Also, please take a look at the list of 10 antistatic agent manufacturers and their company rankings.
Table of Contents
An antistatic agent works to prevent equipment, and clothing from becoming charged with static electricity. They are available in surfactant sprays or kneaded into equipment.
When static electricity is generated, it can collect and accumulate dust and dirt in the air, causing static discharge that can damage semiconductor components in the equipment or, in the worst case, ignite them and cause a fire.
Antistatic agents are used to avoid various problems associated with static electricity.
To avoid problems associated with static electricity, antistatic agents use surfactants to improve conductivity.
Surfactants work at the interface (boundary surface) between water and air, water and dust, and dust and clothing to reduce surface electrical resistance.
However, antistatic agents are not always universally effective. Even if the surface resistance of the equipment is reduced, if there is no route for the generated static electricity to flow to the earth, the static electricity will remain attached to the equipment.
Therefore, it is necessary to consider the route for static electricity to flow to the ground before using antistatic agents.
Although spray-type antistatic agents are generally well known, detergents containing surfactants are actually one type of antistatic agents.
Surfactants are used in household laundry detergents to remove dust and dirt from the surface of clothes. Thus, after washing, the clothes are less likely to generate static electricity.
Antistatic agents are available in different types, depending on the equipment and clothing to be handled.
Antistatic agents are available for different materials, such as paper, clothing, printing, film, and semiconductors.
Antistatic agents are used to prevent the generation of static electricity, which is a serious problem in factories. If a product is shipped without being aware that static electricity has destroyed some components on the internal circuit board, this can lead to complaints from users.
To avoid such a situation, efforts are being made to prevent the generation of static electricity, including the use of line electrostatic sprayers.
One is to increase the humidity in the factory. By raising the humidity and maintaining a constant humidity level in the factory, the electrical resistance of equipment surfaces can be lowered.
The second is to provide wires that can be connected to the ground at the worker's wrist or other parts of the body, thereby preventing static electricity from being generated on the worker.
Third, a conductive mat should be laid down. This way, even if the worker becomes charged, the static can be released to the ground via the conductive mat.
And finally, use antistatic sprays where necessary and on products to prevent static electricity from being generated on the product itself.
In laundry, detergents and fabric softeners containing surfactants serve as antistatic agents. Surfactants are broadly classified into the following two categories:
Ionic surfactants are further divided into the following three categories according to the type of ion:
Among these, cationic surfactants are the most commonly used antistatic agents. Cationic surfactants are surfactants that ionize to positive ions in solution. It is often used as a main ingredient in fabric softeners. The surface of fibers is negatively charged when wetted by water. When a cationic surfactant enters the solution, the positive potential causes the surfactant to adsorb onto the fiber surface, creating an antistatic effect. When laundry with fabric softener is dried, the fiber surface becomes covered with an oil film, which reduces frictional resistance, thereby reducing the generation of static electricity. Furthermore, water molecules are also strongly bound to the surfactant. Even if static electricity is generated, it flows through these water molecules, reducing its power. However, if excessive amounts of fabric softener are used, an oil film may remain on the surface of the fiber, reducing its water absorbency. In such cases, recovery can be achieved by washing the fabric softener off with detergent.
Acrylic sheets are a material that easily generates static electricity. Especially in winter, when it is dry and static electricity is easily generated, it is common for dust and debris to adhere to products made of acrylic sheets and be difficult to remove. The easiest way to prevent dust and debris from sticking is to apply a spray containing antistatic agents. First, remove large pieces of dust and debris, then apply an appropriate amount of spray and spread it over the entire surface with a soft cloth. Some sprays containing antistatic agents are not suitable for acrylic panels and may result in damage to the acrylic panel. When purchasing a product, it is necessary to confirm that the product can be used on acrylic panels.
*Including some distributors, etc.
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