Takato Ishida, R. Kitagaki, Hideaki Hagihara, Y. Elakneswaran
{"title":"Intrinsic Differences on the Photodegradation Mechanisms between Pigmented and Non-Pigmented Coatings Determined by Multi-Scale Analysis","authors":"Takato Ishida, R. Kitagaki, Hideaki Hagihara, Y. Elakneswaran","doi":"10.23967/dbmc.2020.087","DOIUrl":null,"url":null,"abstract":". Multi-scale analysis of photodegradation are conducted for pigmented coating containing acrylic urethane + TiO 2 pigment and for non-pigmented coating containing only acrylic urethane. We discuss the intrinsic differences in the photodegradation mechanism between the pigmented and non-pigmented coatings and the effect of the interface between the pigment and the binder. Photo-aging tests are conducted using artificial ultraviolet (UV) irradiation under conditions of 60 °C and dry atmosphere. The results of Fourier transform infrared spectroscopy (FTIR), solvent swelling experiments, ultrasonic measurements of elastic moduli","PeriodicalId":409611,"journal":{"name":"XV International Conference on Durability of Building Materials and Components. eBook of Proceedings","volume":"71 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"XV International Conference on Durability of Building Materials and Components. eBook of Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23967/dbmc.2020.087","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
. Multi-scale analysis of photodegradation are conducted for pigmented coating containing acrylic urethane + TiO 2 pigment and for non-pigmented coating containing only acrylic urethane. We discuss the intrinsic differences in the photodegradation mechanism between the pigmented and non-pigmented coatings and the effect of the interface between the pigment and the binder. Photo-aging tests are conducted using artificial ultraviolet (UV) irradiation under conditions of 60 °C and dry atmosphere. The results of Fourier transform infrared spectroscopy (FTIR), solvent swelling experiments, ultrasonic measurements of elastic moduli
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