钢管外涂用水性防腐涂料的研制  

Development of Waterborne Anti-corrosion Coatings for External Application on Steel Pipes

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作  者:谷锐 李运德 GU Rui;LI Yun-de(Tianjin Beacon Coatings Industry Development Co.,Ltd.,Tianjin 300450,China)

机构地区:[1]天津灯塔涂料工业发展有限公司,天津300450

出  处:《中国涂料》2025年第2期22-26,共5页China Coatings

摘  要:研制了一种适用于钢管外涂的水性轻防腐涂料,并对其技术要求进行了介绍。先通过树脂类型的表干时间对比确定了使用主要成膜物质为水性丙烯酸树脂,然后通过改变水性丙烯酸树脂和耐盐雾助剂在配方中的添加量,评估其对涂膜耐盐雾性能的影响,并测试了切削液对涂膜润湿性、附着力的影响。研究结果表明,方案C3满足技术要求,且在钢管上残留未干燥的切削用乳化液的施工条件下,表现出良好的吸附力、工况兼容性和防腐能力。A type of waterborne light anti-corrosion coatings suitable for external application on steel pipes has been developed,and its technical requirements are introduced.Initially,the surface drying time of different resin types was compared to determine the primary film-forming substance as waterborne acrylic resin.Then,by altering the amounts of waterborne acrylic resin and salt spray resistant additives in the formula,the effect on the coatings film's salt spray resistance was assessed,and the effects of cutting fluid on the coatings film's wettability and adhesion were tested.The research results indicate that Scheme C3 meets the technical requirements and demonstrates good adhesion,working condition compatibility,and anti-corrosion properties under construction conditions where residual un-dried cutting emulsion is present on the steel pipe surface.

关 键 词:耐盐雾 切削液 树脂含量 耐盐雾助剂含量 适用工况 

分 类 号:TQ630.7[化学工程—精细化工]

 

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