Ethylene Bis-Stearamide as an Effective Anti-Fogging Agent in Films

.

Ethylene Bis-Stearamide: An Effective Anti-Fogging Agent for Film Packaging

Film packaging is one of the most common forms of packaging materials for food and non-food items. However, it has one common problem: the occurrence of fogging due to temperature changes. This phenomenon can reduce the visibility of the inside content and create an unappealing aesthetic to the product. Fortunately, an effective solution to this problem exists in the form of Ethylene Bis-Stearamide (EBS), which can be used as an anti-fogging agent in films. This article examines the effectiveness of EBS in combating fogging in film packaging.

What is Ethylene Bis-Stearamide?

Ethylene Bis-Stearamide (EBS) is a synthetic wax-like substance that has a broad range of applications in the manufacturing industry. EBS is known for its ability to increase the slip, wear, and tear resistance of plastics, and it is commonly added to polyethylene film to improve its performance properties. The chemical structure of EBS consists of an ethylene backbone with two stearic acid chains attached, which makes it an amphiphilic molecule that can interact with both polar and non-polar media.

How Does Ethylene Bis-Stearamide Prevent Fogging?

The anti-fogging properties of EBS depend on its ability to reduce the surface tension and contact angle of the film surface, making it more hydrophilic. This increased hydrophilicity reduces the condensation of water droplets on the film surface, which causes the fogging phenomenon to occur. The presence of EBS helps the water droplets spread uniformly on the film surface, making them less visible and easily evaporate. Once EBS is introduced to the film, it acts as a surfactant, reducing the interfacial tension between the film and water or any polar liquid that comes into contact with it.

The Effectiveness of Ethylene Bis-Stearamide as an Anti-Fogging Agent

Numerous studies have demonstrated the effectiveness of EBS as an anti-fogging agent in different polymer films and coatings. The results showed that the addition of EBS can significantly reduce the fogging time of films, causing a minimal impact on the mechanical and optical properties. The anti-fogging performance of EBS depends on various factors, such as the type of polymer used, film thickness, and EBS concentration. The type of polymer can have a significant effect on the wettability of the film surface, with polyethylene (PE) having a hydrophobic surface and polyvinyl chloride (PVC) having a hydrophilic surface. Therefore, EBS is more effective in reducing fogging on PVC films than on PE films.

The Effect of Ethylene Bis-Stearamide Concentration on Anti-Fogging Performance

The concentration of EBS in the film is also a critical factor in determining its anti-fogging performance. Different studies have investigated the effect of EBS concentration on anti-fogging performance and found that low concentrations of EBS (less than 2%) are ineffective at preventing fogging, while high concentrations (above 4%) cause a significant reduction in the film transparency. The optimal concentration of EBS that balances the anti-fogging performance and transparency of the film is around 3%.

The Effect of Ethylene Bis-Stearamide on the Optical Properties of Film

The addition of EBS to the film can cause a slight reduction in the film's transparency, as EBS particles scatter the light that passes through the film. This reduction in transparency can affect the film's appearance and quality, but it is generally acceptable in the context of anti-fogging applications. However, the reduction in transparency can be minimized by controlling the EBS concentration and optimizing the film thickness.

Compatibility of Ethylene Bis-Stearamide with Other Additives

The addition of EBS to the film may affect the compatibility of other additives used in the film formulation. Therefore, it is crucial to consider the compatibility of EBS with other additives and to optimize their concentration accordingly. For example, the addition of EBS to films containing slip agents can cause the slip effect to reduce or disappear entirely. Appropriate adjustment of the slip agent's concentration can help to compensate for this effect.

Conclusion

In conclusion, Ethylene Bis-Stearamide (EBS) is an effective anti-fogging agent that can be used in film packaging to improve its performance properties. EBS reduces the surface tension and contact angle of the film surface, making it more hydrophilic and reducing the condensation of water droplets that lead to fogging. The anti-fogging performance of EBS depends on various factors, such as EBS concentration, film thickness, and type of polymer used. The optimal concentration of EBS that balances the anti-fogging performance and transparency of the film is around 3%. Furthermore, the addition of EBS to the film can cause a slight reduction in the film's transparency, but this effect can be minimized by controlling the EBS concentration and optimizing the film thickness. EBS can be used in combination with other additives, but their compatibility should be considered to prevent any adverse effects on the film properties.

Qingdao Sainuo Chemical Co.,LTD. is devoted to satisfy our customers with a wide array of the finest using experience.
If you follow these straightforward steps you can keep your lubrication and dispersion product supplier polyethylene wax manufacturer. I think this article will help you make a wise decision on choosing the right .
Depending on the scale of the service, Qingdao Sainuo Chemical Co.,LTD. might also need to hire and manage an overseas workforce and comply with regulatory requirements.
It's not enough to have an idea as pe wax in a gigantic market. The key to what gets concerned is how you connect this hungry market to the idea that satisfies it.
To find a qualified at reasonable price, contact Qingdao Sainuo Chemical Co.,LTD. at Sainuo Polyethylene Wax, a professional provider and tell them what you envision for your pe wax.