The coating formulation used during the coating process comprises the following main components:
Enhancing Aesthetics with Optical Brightener for PVC Wallpaper
Optical brighteners have emerged as a game-changer in the world of PVC wallpaper production. These additives not only enhance the visual appeal but also extend the lifespan of wallpapers. In this article, we will explore the benefits of using optical brighteners, their application methods, and recommended usage for achieving stunning PVC wallpapers.
Optical Brightener: A Game-Changing Additive
Optical brighteners are fluorescent dyes that absorb UV light and re-emit it as visible blue light, thus brightening the appearance of materials they are applied to. In PVC wallpaper production, they play a pivotal role in achieving vibrant and long-lasting designs.
Advantages of Using Optical Brightener
Enhanced Visual Appeal:
Optical brighteners impart a brilliant and visually appealing glow to PVC wallpapers, making them stand out in any space.
They intensify the colors in the wallpaper, creating a more vivid and eye-catching display.
Optical brighteners offer a level of UV protection, helping to preserve the colors and patterns of the wallpaper over time.
By reducing the effects of UV light and environmental factors, optical brighteners contribute to the longevity of PVC wallpapers.
Incorporation into PVC Formulation:
Optical brighteners are typically added during the formulation stage of PVC wallpaper production. They are mixed in with other components to ensure even distribution.
It's crucial to ensure thorough and uniform mixing of the optical brightener within the PVC formulation. This guarantees consistent brightness across the entire wallpaper.
The optimal dosage of optical brightener for PVC wallpaper depends on various factors including the specific type of brightener, the desired level of brightness, and the formulation of the PVC material. It is recommended to conduct trials to determine the ideal dosage for your particular application.
The amount of optical brightener is often expressed as a percentage relative to the mass of the plastic. The amount of optical brightener used in plastics is related to its chemical structure, dispersion, and the properties of plasticizers or other additives in the plastic formulation. The dosage of optical brightener is generally 0.05%~0.1% (weight of plastic), and for ultra-white varieties, the dosage can reach 0.5% (weight of plastic) or more; for transparent plastics, the dosage is the above 1/100~1/10 of the dosage.
For example: the dosage of optical brightener OB-1 added per 100kg of polymer (reference dosage)
Transparent: Adding amount is 0.0025-0.005% (2.5g-5g)
The general dosage is: 0.0025-0.025% (2.5g-25g) not more than 0.03% (30g)
When adding any UV absorber to the polymer, attention should be paid to appropriately adjusting the optimal dosage of optical brightener OB-1.
Always conduct compatibility testing to ensure that the chosen optical brightener is compatible with the PVC formulation and does not adversely affect other additives or properties.
Verify that the selected optical brightener complies with relevant industry standards and regulations for use in PVC wallpapers.
Optical brighteners have revolutionized the PVC wallpaper industry by enhancing visual appeal and extending product lifespan. Through careful formulation and dosage, manufacturers can achieve wallpapers that not only captivate with their vibrant colors but also endure over time. By leveraging the power of optical brighteners, PVC wallpapers continue to adorn spaces with lasting beauty and brilliance.