精密涂布技术及其应用  

Precision Coating Technology and Its Application

作　　者：李才昌 LI Cai-chang

机构地区：[1]广西真龙彩印包装有限公司,广西富川542700

出　　处：《绿色包装》2017年第11期42-46,共5页Green Packaging

摘　　要：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。Precision coating is widely used in the printing and packaging substrate and product modification.This paper introduces several kinds of precision coating methods,such as roller coating,blade coating,slot-die coating,curtain coating,and their development of application.The analysis shows that the slot-die coating has several advantages which are expected to replace the roll coating.It can estimate that the equipment is closed to reduce the pollution with the more uniform coating.It is suitable for the high viscosity coating liquid and various kinds of substrates,which can realize multi-layer coating at one time.The coating solution can be cured by ultraviolet light emitting diode(UV-LED)light source curing or electron beam(EB)curing,which can reduce energy consumption and VOCs emissions.The development trend of precision coating technology is to further improve coating thickness and uniformity control ability and strengthen the intelligent level of coating equipment on the basis of improving coating rate.

关 键 词：精密涂布 刮刀涂布 狭缝涂布 坡流涂布 

分 类 号：TS851.6[轻工技术与工程]