OALib Journal期刊
ISSN: 2333-9721
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磷酸锌/云铁灰环氧涂层防腐性能的研究
Keywords: 磷酸锌,云铁灰,环氧涂料,防腐
Abstract:
?选用磷酸锌为主要防锈颜料,协同云母氧化铁灰,制备无溶剂型环氧防腐涂料。考察涂层的基本性能,并采用交流阻抗(eis)测试技术,分析了颜料体积浓度(pvc)、活性稀释剂和防锈颜料质量比对涂层防腐性能的影响。实验结果表明:该涂料固含量高达98%以上,是环境友好型涂料;pvc小于12%时,涂层具有较好的防腐性能;pvc为8%,活性稀释剂添加量为2%,云铁灰与磷酸锌质量比为1∶4时涂层的防腐性能最佳。在涂层浸泡一定时间后,磷酸锌能防止腐蚀的进一步发生,起到有效抑制腐蚀的作用。
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