| Authors | Mohammad Dodangeh, Kamaladin Gharanjig, Ren-Cheng Tang, Ivo Grabchev. |
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| Journal | Dyes and Pigments |
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| Paper Type | Full Paper |
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| Published At | 2019 |
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| Journal Grade | ISI |
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| Journal Type | Typographic |
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| Journal Country | Iran, Islamic Republic Of |
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Abstract
<p>Environmentally friendly and healthier demands of people lead to grow the application of the natural dyes,<br />
although some difficulties limit their usages. This means that overcoming these issues will suggest the exchange<br />
of synthetic dyes having many environmental problems with natural dyes. In the current study, to develop the<br />
natural dyes, we have enhanced the fluorescence intensity of yellow-emitting curcumin dye, by its covalently<br />
bonding to PAMAM dendrimer from G0, G1, G2 generations. The chemical structures of modified materials have<br />
been confirmed by FTIR, 1HNMR, 13CNMR, UV–Vis, DSC and Elemental Analysis techniques. The synthesized<br />
compounds have been used for polyethylene terephthalate (PET) fabrics dyeing at high temperature to study<br />
their color characteristics. On the other hand, the spectral characteristics of dendrimers have been evaluated in<br />
organic solvents with different polarity. The influence of dendrimer generation on the fluorescence intensity and<br />
quantum yield has also been described. The results showed that the new dendrimers can be used for PET fabrics<br />
coloration.</p>
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