摩托车塑料件水性涂料涂装工艺的开发与应用

Development and application of waterborne painting process for plastic parts used in motorcycles

介绍了水性涂料在摩托车行业及一般工业塑料件中的应用状况,分析了油性涂料和水性涂料涂装工艺的差别。在现有摩托车塑料件涂装线的基础上开发了水性涂料涂装工艺,只需将原工艺的底漆和面漆的流平段改造为预烘干5~8 min,具有改造工作量小、投资成本低的特点。通过对涂料配方的改进,解决了塑料件表面与水性漆之间润湿性差的问题,提高了涂层的耐溶剂、耐水性和耐湿热性能。

The application status of waterborne paints in motorcycle manufacturing industry and to general industrial plastic parts was introduced. The differences in painting process between solvent-based and waterborne paints were analyzed. A waterborne painting process was developed based on the current production line for painting motorcycle plastic parts by transforming the original primer and topcoat leveling sections into pre-drying for 5-8 min, which had the advantages of small reconstruction work and low investment cost. The modification of the composition of waterborne paint solved the problem of poor wettability between plastic surface and coating and improved the properties of coating.