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Introduction to Waterborne UV Coatings for 3C Products
In the field of surface treatment for consumer electronics, increasingly stringent environmental regulations and tighter controls on VOC emissions are driving a shift toward greener coating technologies. Waterborne UV coatings for 3C applications represent a key technological pathway in this trend. By combining the rapid curing advantages of UV curing with the low-VOC, environmentally friendly attributes of waterborne systems, these coatings deliver high hardness and excellent wear resistance while significantly reducing their environmental footprint. As international brand manufacturers continue to prioritize waterborne formulations, the use of waterborne UV coatings in the 3C consumer electronics sector is expanding rapidly. This article provides an overview of waterborne UV 3C coatings, covering their definition and characteristics, compositional ingredients, performance attributes, and current application trends.
2026-07-06
How to Address Defects in UV 3C Coatings (Part 13)
During the application and use of UV 3C coatings, coating film cracking is one of the most serious defects, compromising both the integrity and protective performance of the coating. It manifests as cracks on the coating surface—fine, thread-like in mild cases, or penetrating the entire coating in more severe instances. Such cracking not only detracts from the product’s appearance but also renders the coating’s protective functions ineffective. The causes of film cracking are multifaceted, involving factors such as diluent selection, curing conditions, coating structure, and residual solvent levels. Addressing this defect requires targeted measures across several key areas, including appropriate diluent selection, precise control of curing energy, proper management of coating thickness, and effective regulation of residual solvents. This paper outlines strategies for mitigating film‑cracking defects, focusing on diluent compatibility, optimization of curing conditions, control of coating thickness, and management of solvent evaporation.
2026-07-06
How to Address Defects in UV 3C Coatings (Part 12)
In the actual production of UV 3C coatings, whitening is one of the common defects that adversely affect the appearance quality of the coating. It manifests as a lighter, paler shade than expected, with a milky‑white haze, reduced transparency, and diminished color saturation—effects that are particularly pronounced in light‑colored finishes and clear coats. Whitening is closely linked to moisture and is influenced by multiple factors, including substrate condition, ambient environmental conditions, and coating formulation. Addressing this defect requires targeted measures across substrate drying management, control of the application environment, and selection of appropriate thinners. This paper outlines strategies for mitigating whitening, focusing on controlling substrate moisture content, managing ambient humidity during application, and choosing suitable diluents.
2026-07-06
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Bossin cordially invites you to visit the 2025 China International Coatings Exhibition.
UV monomer with a curing speed more than 30% faster than that of trifunctional monomers
Low-irritation version of HDDA
A high-refractive-index UV monomer
Although it’s quite ordinary, it offers great value for the price.
A UV monomer used in fields such as PCB ink, UV curing agents, and offset printing ink.
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