铝合金表面隔热涂层的制备工艺*孙翠云牛丽媛(浙江工贸职业技术学院,浙江温州325003)摘要:首先采用化学法在铝合金表面制备了预处理膜层,分析了膜层的微观组织结构
采用刷涂法在预处理膜层上制备了隔热涂层并测试了涂层的性能
结果表明,当涂料中加入2﹪空心微球时,隔热膜层的导热系数有明显减低,节能隔热涂层还具有良好的耐腐蚀性
关键词:隔热;涂层;铝合金中图分类号:TG174
44文献标识码:A文章编号:1672-0105(2009)04-0041-04ThePreparationofEnergy-EfficientInsulatingCoatingsonAluminumAlloySunCuiyunNiuLiyuan(ZhejiangIndustry&TradePolytechnic,WenzhouZhejiang,325003)Abstract:Pre-treatmentfilmsonaluminumalloysurfacearepreparedbyusingchemicalmethods
Andtheirmicrostructuresareanalyzed
Insulatingcoatingsarepreparedonpre-treatmentfilmsusingpaintmethodsandtheirperformancesaretestedaswell
Resultsshowthattheheatconductivityoffilmscontaining2%cenospheresdecreasedobviously
Theinsulatingcoatingshavebetteranticorrosionperformancesaswell
Keywords:insulating;coatings;aluminumalloy1概述自上世纪90年代起,金属屋顶在我国开始广泛