95Vol.32No.3Jun.,2023中国建材科技ChinaBuildingMaterialsScience&Technology第32卷第3期2023年6月DOI:10.12164/j.issn.1003-8965.2023.03.023建筑幕墙用密封材料物理性能检测技术及改进Physicalperformancetestingtechnologyandimprovementofsealingmaterialsforbuildingcurtainwalls许峰伟(国检测试控股集团上海有限公司,上海201314)XUFengwei(ChinaTesting&CertificationInternationalGroupShanghaiCo.,Ltd.,Shanghai201314)摘要:建筑幕墙用密封材料主要有两种,一是用在石材幕墙上的石材用建筑密封胶,二是用在隐框或半隐框玻璃幕墙上的建筑用硅酮结构密封胶。石材用建筑密封胶的主要性能指标是污染性,其体现了石材用建筑密封胶与接触的石材污染的可能性。建筑用硅酮结构密封胶的主要性能指标是邵氏硬度、拉伸粘结性、结构装配系统用附件同密封胶相容性和实际工程用基材同密封胶粘结性。本文介绍了这些密封材料物理性能的检测技术和改进方式。关键词:污染性;邵氏硬度;拉伸粘结性;结构装配系统用附件同密封胶相容性;实际工程用基材同密封胶粘结性Abstract:Therearetwomaintypesofsealingmaterialsusedinbuildingcurtainwalls.Oneisthebuildingsealantsforstonecurtainwalls,andtheotheristhesiliconestructuralsealantforhiddenorsemihiddenframeglasscurtainwalls.Themainperformanceindicatorofbuildingsealantsforstonematerialsispollution,whichreflectsthepossibilityofcontaminationbetweenthebuildingsealantusedforstonematerialsandthestoneincontact.ThemainperformanceindicatorsofsiliconestructuralsealantforconstructionareShorehardness,tensileadhesion,compatibilitybetweenaccessoriesforstructuralassemblysystemsandsealants,andadhesionbetweensubstratesandsealantsusedinactualengineering.Thispaperintroducesthetestingtechniquesandimprovementmethodsforthephysicalpropertiesofthesesealingmaterials.Keywords:pollution;Shorehardness;tensileadhesion;compatibilitybetweenaccessoriesforstructuralassemblysystemsandsealants;adhesionbetweensubstratesandsealantsusedinactualengineering中图分类号:TU57+8文献标志码:A文章编号:1003-8965(2023)03-0095-030引言建筑幕墙用密封材料主要有两种,一是用在石材幕墙上的石材用建筑密封胶,二是用在隐框或半隐框玻璃幕墙上的建筑用硅酮结构密封胶...