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How to Select Raw Materials for UV Coatings (Part 1)

How to Select Raw Materials for UV Coatings (Part 1)

UV coatings are widely used in various fields, including ink printing, furniture manufacturing, wood processing, paper coating, and plastic finishing. They not only offer numerous advantages such as rapid curing and room-temperature curing but also enhance the performance of finished products. The main components of UV coatings include oligomers, reactive diluents, photoinitiators, and additives. When designing formulations for light-curable coatings, it is essential to take multiple factors into account comprehensively and select appropriate raw materials to achieve the optimal coating formulation.

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2024

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Composition of UV coatings

Composition of UV coatings

UV coatings, or ultraviolet-curable coatings, are a special type of coating whose curing process relies primarily on ultraviolet radiation. UV coatings typically consist of oligomers, reactive diluents, photoinitiators, and other functional additives. Under UV irradiation, these components undergo a chemical reaction that forms a crosslinked polymer network, rapidly transforming the liquid coating into a solid film.

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2024

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What is UV coating?

What is UV coating?

In modern industry, coatings play an irreplaceable role as key materials for surface protection and decoration. As a new type of environmentally friendly coating, UV coatings have gradually become the industry’s favorite due to their remarkable advantages, including rapid curing speed, energy efficiency, environmental friendliness, and strong adaptability, and they are now widely used in various fields.

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2024

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The function of UV defoamers

The function of UV defoamers

A UV defoamer is a defoaming agent specifically designed for UV-curing systems. Its key features include stability under ultraviolet light and excellent defoaming performance. The UV defoamer works by reducing surface tension and disrupting the stability of foam, thereby effectively eliminating foam formation. Its unique chemical structure enables it to disperse rapidly in liquids and efficiently inhibit the formation and growth of foam. Moreover, thanks to its stability under ultraviolet light, it does not affect the product’s performance or color during the curing process.

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2024

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What is a UV defoamer?

What is a UV defoamer?

In the modern industrial sector—particularly in manufacturing industries such as coatings, inks, and adhesives—the issue of foam has long been a challenging problem that needs to be addressed. The presence of foam not only affects the uniformity of product mixing and the aesthetic appeal of coated surfaces but can also negatively impact the physical properties of the products. To tackle this issue, UV defoamers have emerged.

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2024

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Applications and Key Points of Various Leveling Agents

Applications and Key Points of Various Leveling Agents

In the modern coatings industry, leveling agents—essential additives—play a critical role in optimizing coating performance and enhancing the quality of the coated film. From solvent-based coatings to waterborne coatings, from powder coatings to various high-performance coatings, the application of leveling agents covers nearly all types of coatings. By adjusting the surface tension of coatings and improving their flowability and wettability, these agents ensure that the coated film develops a smooth, glossy, and uniform appearance during the drying process. This article delves into the application scenarios and key considerations for different types of leveling agents, elucidating how they, through diverse mechanisms of action, significantly contribute to improving both the applicability of coatings and the overall quality of the final coated film.

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2024

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Selection and Use of Flow Control Agents

Selection and Use of Flow Control Agents

In the preparation of coatings and coating systems, the selection and use of leveling agents undoubtedly represent one of the key steps in determining the quality of the final product. As an important class of additives, leveling agents not only significantly enhance the flow and wetting properties of coatings, ensuring that the coating film achieves ideal smoothness and uniformity during formation, but also effectively reduce or eliminate common surface defects such as brush marks, orange peel, and pinholes. However, faced with a wide array of leveling agent products on the market, each boasting different performance characteristics, accurately selecting and appropriately using these agents to maximize their effectiveness while also taking cost-effectiveness into account remains a significant challenge.

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2024

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Flow additives for different application systems

Flow additives for different application systems

A leveling agent is a commonly used coating additive whose primary function is to help the coating form a smooth, glossy, and uniform film during the drying and film-forming process. It significantly influences the coating’s leveling properties, gloss level, and overall performance. Different coating systems—due to their varying compositions, intended applications, and construction environments—have different requirements for leveling agents. Therefore, selecting the right leveling agent is crucial for optimizing coating performance.

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