轴棒法是目前漆膜柔韧性测定的主要的方法之一,其不足之处是仪器简单,评价不够准确.改进了该测试方法,首先采用轴棒法测试,然后对漆膜进行拍照并用image- proplus图象分析软件测试漆膜的裂纹面积比.与轴棒法对漆膜柔韧性分级评定相比,裂纹面积比能更准确地表征漆膜的柔韧性.将改进后的轴棒法应用于无机硅酸锌涂层及高氯化聚氯乙烯防锈面漆和醇酸防锈漆的柔韧性研究,取得了较好的效果.
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