STARCH INCLUSION COMPLEX ES WITH ALIZARIN AND ANTHRAQUINONE

• Main Author: VALENTINA HERRYPUTRIE NIM : 10514026, DELLA
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/26470
• Institution: Institut Teknologi Bandung

Textile dye production approaches 10 <br /> <br /> k <br /> <br /> tons/year <br /> <br /> globally <br /> <br /> . In general, <br /> <br /> dyes <br /> <br /> use salts of <br /> <br /> heavy met <br /> <br /> als to increase <br /> <br /> dyes <br /> <br /> stability and <br /> <br /> assist <br /> <br /> the application of <br /> <br /> textile dyeing <br /> <br /> . <br /> <br /> Approximately 100 tons <br /> <br /> / <br /> <br /> y <br /> <br /> ear <br /> <br /> of textile dyes containing such heavy metals are discarded <br /> <br /> which leads to <br /> <br /> water pollution. <br /> <br /> Therefore <br /> <br /> , this re <br /> <br /> search focuse <br /> <br /> s <br /> <br /> on the use of starch to <br /> <br /> c <br /> <br /> omplex dyes such as alizarin and anthraquinone as an alternative to dyes application <br /> <br /> . The <br /> <br /> FTIR <br /> <br /> spectra <br /> <br /> show <br /> <br /> ed <br /> <br /> that <br /> <br /> the complexes <br /> <br /> resembl <br /> <br /> ed <br /> <br /> starch with some shifts in the <br /> <br /> wave <br /> <br /> num <br /> <br /> b <br /> <br /> er of <br /> <br /> 3000 cm <br /> <br /> - <br /> <br /> 1 <br /> <br /> (O <br /> <br /> - <br /> <br /> H) and 2900 cm <br /> <br /> - <br /> <br /> 1 <br /> <br /> (C <br /> <br /> - <br /> <br /> H) indicating the interaction between <br /> <br /> starch <br /> <br /> and dye <br /> <br /> s <br /> <br /> . These results <br /> <br /> were <br /> <br /> supported by <br /> <br /> the <br /> <br /> XRD data <br /> <br /> showing diffraction <br /> <br /> peak <br /> <br /> s <br /> <br /> of 2&#952; <br /> <br /> of <br /> <br /> 10, <br /> <br /> 4 <br /> <br /> ; 13 <br /> <br /> ,2 <br /> <br /> ; 2 <br /> <br /> 5 <br /> <br /> , <br /> <br /> 8 <br /> &#8304; <br /> <br /> for starch <br /> <br /> alizarin <br /> <br /> complex <br /> <br /> es <br /> <br /> and 16,6; 24.9; 26.3 <br /> &#8304; <br /> <br /> for starch <br /> <br /> – <br /> <br /> anthraquinone <br /> <br /> complex <br /> <br /> es <br /> <br /> . The resulting SEM image <br /> <br /> s <br /> <br /> show <br /> <br /> ed <br /> <br /> that <br /> <br /> the morphology of the <br /> <br /> complexes was different compared to <br /> <br /> each uncomplexed <br /> <br /> starch and <br /> <br /> dyes <br /> <br /> . <br /> <br /> The stability <br /> <br /> of <br /> <br /> the dyes in the starch complexes was tested against pH, storage, and temperature <br /> <br /> . The <br /> <br /> starch <br /> <br /> – <br /> <br /> alizarin complex <br /> <br /> es <br /> <br /> ten <br /> <br /> t <br /> <br /> to be stable at <br /> <br /> low <br /> <br /> pH compared <br /> <br /> to <br /> <br /> high <br /> <br /> pH and ten <br /> <br /> t <br /> <br /> to be <br /> <br /> st <br /> <br /> able <br /> <br /> during storage <br /> <br /> for up to 63 days. Likewise <br /> <br /> , <br /> <br /> the starch <br /> <br /> – <br /> <br /> anthraquinone co <br /> <br /> mplex <br /> <br /> es <br /> <br /> ten <br /> <br /> t <br /> <br /> t <br /> <br /> o be stable <br /> <br /> against <br /> <br /> increasing H <br /> <br /> + <br /> <br /> concentration. The starch <br /> <br /> – <br /> <br /> alizarin complex <br /> <br /> esone <br /> <br /> were <br /> <br /> stable against the temperature <br /> <br /> which <br /> <br /> were <br /> <br /> indicated in the TGA and DSC re <br /> <br /> sults <br /> <br /> , <br /> <br /> showing initial degradation <br /> <br /> at <br /> <br /> 245,9 <br /> &#8304; <br /> <br /> C <br /> <br /> . <br /> <br /> Likewise, <br /> <br /> the <br /> <br /> starch <br /> <br /> – <br /> <br /> anthraquinone <br /> <br /> complex <br /> <br /> es <br /> <br /> started to degrade <br /> <br /> at <br /> <br /> 248,7 <br /> &#8304; <br /> <br /> C <br /> <br /> . The starch <br /> <br /> – <br /> <br /> ali <br /> <br /> zarin complex <br /> <br /> was <br /> <br /> successfully <br /> <br /> used to dye <br /> <br /> white <br /> <br /> cotton <br /> <br /> fabric <br /> <br /> with an optimum ratio of 1: <br /> <br /> 1.6 <br /> <br /> with alizarin contents <br /> <br /> of <br /> <br /> 3.6% <br /> <br /> . The <br /> <br /> starc <br /> <br /> h <br /> <br /> anthraquinone complexes <br /> <br /> w <br /> <br /> ere not <br /> <br /> yet <br /> <br /> successfully <br /> <br /> applied <br /> <br /> to dye cotton <br />