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彩涂板预处理工艺对于时效性能的影响

返回列表 来源: 发布日期: 2021.01.29

彩涂板预处理工艺对于时效性能的影响

彩涂板涂层与基体的附着力直接影响涂层的附着力,因此彩涂板基体表面的化学处理状态也直接影响涂层与基体的附着力。良好的预处理工艺可以在基体表面生成稳定的转化膜,不仅可以提高基体的耐蚀性,而且可以提高基体与涂层之间的附着力。

17.聚酯彩板每吨价格 (6)
结果表明,彩涂板不同的预处理工艺对涂层的附着力和老化性能有明显的影响。不同预处理供应商的配方和工艺参数不同,因此基材表面油脂的清洁程度、彩涂板清洗剂对基材的腐蚀程度、转化膜本身的韧性、转化膜中的防腐元素等都会对附着力产生很大的影响以及涂层的老化性能,这在本文中还没有得到进一步的研究。
The adhesion between the coating and the substrate directly affects the adhesion of the coating, so the chemical treatment state of the substrate surface also directly affects the adhesion between the coating and the substrate. A good pretreatment process can produce a stable conversion film on the substrate surface, which can not only improve the corrosion resistance of the substrate, but also improve the adhesion between the substrate and the coating.

The results show that different pretreatment processes have obvious effects on the adhesion and aging properties of the coating. The formula and process parameters of different pretreatment suppliers are different, so the cleaning degree of grease on the surface of the substrate, the corrosion degree of the substrate by cleaning agent, the toughness of the conversion film itself, and the anti-corrosion elements in the conversion film will have a great impact on the adhesion and aging performance of the coating, which has not been further studied in this paper.

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