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Black tea carries theaflavins and thearubigin as the principal polyphenolic constituents (Anesini et al., 2008 Tanaka and Matsuo, 2020). The functionalization of the cotton surface with cationizing agents enhanced dye fixation and colorfastness properties without having the involvement of toxic metals . In the initial step of colorfastness measurements, the...

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  • October 21, 2022