Essays about: "natural dye"

Showing result 1 - 5 of 13 essays containing the words natural dye.

1. 1. Investigation on the natural indigo dye for cotton fabric by using supercritical carbon dioxide

   University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

   Author : Ryoi Takamatsu; [2023]
   Keywords : Dyeing; supercritical carbon dioxide; indigo; cotton; eco-friendly; textile;

   Abstract : Concerns about the environmental impact of the textile industry are increasing, and there is an urgent need to develop and implement sustainable technologies. In particular, the environmental impact of dyeing, which emits a large amount of wastewater and chemicals, is one production process that needs to be resolved. READ MORE

3. 2. Synthesis of Organo-Iron(II) Complexes Including N-Heterocyclic Carbene Ligation as Solar Cell Material.

   University essay from Lunds universitet/Centrum för analys och syntes

   Author : Salim Charkas; [2023]
   Keywords : Dye-sensitized solar cell; Transition metal complex; Synthesis iron; N-heterocyclic carbene NHC ; Organic chemistry; Chemistry;

   Abstract : The push-pull design has been shown to increase DSC performance through the introduction of electron-withdrawing groups and electron-donating groups, usually on opposite far ends of the sensitizer. The scope of this thesis was to synthesize several pre-N-heterocyclic carbene ligand analogs that are inspired by the push-pull design in an attempt to investigate their susceptibility to Fe(II) complexation. READ MORE

4. 3. Influence of supercritical carbon dioxide (scco2) dyeing parameters on color fastness of polyester fabric dyed with disperse dye : A study towards minimizing the energy consumption of polyester (pet) fabric dyeing with azo disperse dye

   University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

   Author : Tapas Das; [2023]
   Keywords : Supercritical fluid dyeing; polyester PET fabric; coranger orange PE3330; color fastness; ideal dyeing conditions; eco-friendly;

   Abstract : Amid growing environmental concern and continuous depletion of natural resources (such as water), the textile industry is constantly searching for sustainable production process. Traditional dyeing processes, notorious for their enormous water consumption, have led society to search alternative dyeing method. READ MORE

5. 4. Sustainable textile management and business practices among small scale fashion brands in Indonesia

   University essay from Lunds universitet/Institutionen för kulturgeografi och ekonomisk geografi; Lunds universitet/LUMID International Master programme in applied International Development and Management

   Author : Maria Yartseva; [2023]
   Keywords : Social Sciences;

   Abstract : The current fashion and textile industry is one of the largest contributors to climate change and environmental degradation. The industry uses toxic dyes and chemicals to cultivate, manufacturing and processing stages. READ MORE

6. 5. Development of chitosan nanocomposite coatings for visible-light photocatalytic antiviral applications

   University essay from KTH/Tillämpad fysik

   Author : Michael Neuman; [2023]
   Keywords : Biopolymer; Chitosan; Coating; Nanocomposite; Photocatalytic; Zinc oxide; Antimicrobial; Antiviral; Coronavirus COVID-19 ; Biopolymer; Kitosan; Beläggning; Nanokomposit; Fotokatalytisk; Zinkoxid; Antimikrobiell; Antiviral; Coronavirus COVID-19 ;

   Abstract : During the global pandemic of coronavirus, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outbreak, the world was desperately searching for simpler yet more effective solutions to stop the spread of coronavirus (COVID-19). Since no one was prepared for the fast spread of such a contagious virus, there was a shortage of proper protective solutions to stop the spread. READ MORE