The role of transition metal cations in dyeing of fabrics made from synthetic fibres |
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| Authors: | N N Pochekhovskaya A E Tret’yakova V V Safonov |
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| Affiliation: | (1) Moscow State Textile University, 119071 Moscow, ul. Malaya Kaluzhskaya, d. 1, Russia; |
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| Abstract: | The use of d-metal cations in dyeing polyester fabric with dark blue K increases the dyeability to 350%. Use of VO2+, Fe2+, and Cu2+ cations is most effective. It is hypothesized that d-metal cations increase the number of active sites due to vacant atomic
orbitals on the valence level so that the polyester fibre can sorb a larger amount of dye. The use of d-metal cations in dyeing
polyester fabric increases the resistance of the color to external physicochemical effects. |
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