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ZHANG Ying, YU Zhi-ming, ZHANG Yang, TANG Rui-lin. Color fixation mechanism of CTS-Ag and its effect on the properties of dyed veneer[J]. Journal of Beijing Forestry University, 2015, 37(6): 107-111. DOI: 10.13332/j.1000-1522.20140432
Citation: ZHANG Ying, YU Zhi-ming, ZHANG Yang, TANG Rui-lin. Color fixation mechanism of CTS-Ag and its effect on the properties of dyed veneer[J]. Journal of Beijing Forestry University, 2015, 37(6): 107-111. DOI: 10.13332/j.1000-1522.20140432

Color fixation mechanism of CTS-Ag and its effect on the properties of dyed veneer

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  • Received Date: November 30, 2014
  • We analyzed the effect of pH value on the properties of reaction products between CTS-Ag and acid dyes in order to optimize the processes of antibacterial dyeing veneers and reveal the color fixation mechanism of CTS-Ag. The chromatic aberration, water fastness, light fastness, and antibacterial property of antibacterial dyed veneers with various processes were measured. The results showed that: an acid-base neutralization reaction occurred between CTS-Ag and acid dyes under acid condition, and the lower pH value,the higher value of dye uptake rate and better fixing effect. Chromatic aberration value between CTS-Ag-treated antibacterial dyed veneer (ADV) and untreated ADV ranked as: ADV pretreated with CTS-Ag (Process B)>combined treated ADV (Process C)>post-treated with CTS-Ag (Process A). For water fastness, the order was Process C>Process A>Process B. However, Process A presented a poorer light fastness, while Process B and Process C improved light fastness. For antibacterial and antifungal properties, the order was Process A>Process C>Process B.
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