精密涂布技术及其应用

Green Packaging(2017)

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Abstract
精密涂布在印刷包装基材和产品改性方面应用广泛,本文介绍了辊式涂布、刮刀涂布、狭缝涂布和坡流涂布等几种精密涂布方式其应用发展概况.分析表明:狭缝式涂布具有预计量、设备封闭降低污染、涂布更均匀、适于高粘性涂布液和多种基材、可以一次实现多层涂布等特点有望取代辊式涂布.涂布液干燥方式可以采用紫外-发光二极管(UV-LED)光源固化或电子束(EB)固化,减少能量消耗和VOCs排放.精密涂布技术发展方向是在提高涂布速率的基础上进一步提高涂层厚度和均匀性控制能力,加强涂布设备智能化水平.
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