{"title":"染料在玻璃纸和聚对苯二甲酸乙酯上的光褪色机理","authors":"C. D. Shah, R. Srinivasan","doi":"10.1002/JBT.2570270302","DOIUrl":null,"url":null,"abstract":"Studies of relative rates of fading of dyes and Hammett σ-value of substituents in their molecules lead to further evidence that fading of azo dyes on Cellophane and poly-(ethylene terephthalate) is probably an oxidation type of reaction. Absorption spectra of the same dye on these two substrates tend to indicate a very high state of aggregation of dyes on Cellophane as compared to that on poly(ethylene terephthalate).","PeriodicalId":15255,"journal":{"name":"Journal of biochemical toxicology","volume":"51 1","pages":"429-436"},"PeriodicalIF":0.0000,"publicationDate":"2007-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Mechanism of light fading of dyes on cellophane and poly(ethylene terephthalate)\",\"authors\":\"C. D. Shah, R. Srinivasan\",\"doi\":\"10.1002/JBT.2570270302\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Studies of relative rates of fading of dyes and Hammett σ-value of substituents in their molecules lead to further evidence that fading of azo dyes on Cellophane and poly-(ethylene terephthalate) is probably an oxidation type of reaction. Absorption spectra of the same dye on these two substrates tend to indicate a very high state of aggregation of dyes on Cellophane as compared to that on poly(ethylene terephthalate).\",\"PeriodicalId\":15255,\"journal\":{\"name\":\"Journal of biochemical toxicology\",\"volume\":\"51 1\",\"pages\":\"429-436\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-05-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of biochemical toxicology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1002/JBT.2570270302\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of biochemical toxicology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/JBT.2570270302","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Mechanism of light fading of dyes on cellophane and poly(ethylene terephthalate)
Studies of relative rates of fading of dyes and Hammett σ-value of substituents in their molecules lead to further evidence that fading of azo dyes on Cellophane and poly-(ethylene terephthalate) is probably an oxidation type of reaction. Absorption spectra of the same dye on these two substrates tend to indicate a very high state of aggregation of dyes on Cellophane as compared to that on poly(ethylene terephthalate).
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