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How to Address Defects in UV Transfer Adhesive (Part 6)
Storage stability is a critical factor that must be addressed throughout the lifecycle of UV‑curable adhesives, from production to application. It manifests as premature polymerization during storage, leading to increased viscosity and reduced flowability, which in turn degrades performance. This issue is closely linked to the photoinitiator’s photosensitivity and storage conditions; if not properly managed, the adhesive may lose its usability within its shelf life, resulting in material waste and higher production costs. The root causes of storage instability encompass multiple factors, including premature activation of the photoinitiator, temperature fluctuations, container sealing, and storage duration. Therefore, systematic solutions must be implemented across packaging, storage environment, inventory management, and formulation design.
2026-09-23
How to Address Defects in UV Transfer Adhesive (Part 5)
Insufficient chemical resistance is a critical challenge for UV‑curable transfer coatings in applications—such as automotive interiors and appliance panels—that involve prolonged exposure to chemicals. This manifests as swelling, discoloration, or degradation of coating performance upon contact with specific chemical substances. Such issues directly compromise product service life and the ability to maintain aesthetic appearance. The root causes of inadequate chemical resistance primarily lie in resin system selection and crosslink density, while also being closely tied to the types of chemicals present in the operating environment and the conditions of exposure. Addressing this problem requires targeted measures, including careful resin system formulation, precise control of crosslink density, and effective surface protection strategies.
2026-09-23
How to Address Defects in UV Transfer Adhesive (Part 4)
Incomplete curing is a core defect in UV‑transfer adhesive applications that adversely affects coating performance, manifesting as surface tackiness, insufficient hardness, or residual uncured material within the coating. This issue may become apparent immediately after transfer or gradually emerge during subsequent use, leading to reduced coating durability. The causes of incomplete curing involve multiple factors—such as curing energy, photoinitiator compatibility, coating thickness, and the oxygen inhibition effect—and these factors are often interrelated. Addressing this problem requires a systematic approach, encompassing light source maintenance, photoinitiator selection, control of coating thickness, and optimization of the curing environment.
2026-09-23
Video Account
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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