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new Priming Technology Adhesion Performance of UV-Curable Coatings on Plastic

机译:新的底漆技术紫外线固化涂料在塑料上的粘合性能

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摘要

Plastic substrates often offer an unfriendly surface for coating applications, resulting in insufficient adhesion of applied coatings, inks, and adhesives. This paper presents a new priming process which overcomes the problem of poor adhesion of ultraviolet (UV)-curable coatings on plastic surfaces. In this process, the plastic surface is activated by a plasma or corona treatment and then a special primer composition is applied as a thin layer to form a covalently attached primer. The thermally stable primer layer contains latent groups, which can react with the UV-curable coating under UV light exposure. This novel process produces significantly enhanced adhesion to plastic substrates. Experimental results, applications examples, and perspectives are discussed further.
机译:塑料基材通常会为涂料应用提供不友好的表面,从而导致所施加的涂料,油墨和粘合剂的粘合力不足。本文提出了一种新的底漆工艺,该工艺克服了紫外线(UV)可固化涂料在塑料表面上附着力差的问题。在此过程中,通过等离子或电晕处理激活塑料表面,然后将特殊的底漆组合物涂成薄层以形成共价连接的底漆。热稳定的底漆层包含潜在基团,这些潜在基团可以在紫外线下与紫外线固化涂层反应。这种新颖的工艺可显着提高与塑料基材的粘合力。实验结果,应用实例和观点将进一步讨论。

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