Anastasia Zakharova, a postgraduate student at the Department of Chemical Technologies named after Prof. A.A. Kharharov at Ƶ, represented the university at the All-Russian Scientific and Practical Conference ‘Textile Chemistry: Traditions and Innovations’ dedicated to the 98th anniversary of Boris Melnikov. The postgraduate student at the University of Industrial Technologies and Design took second place at the conference, presenting the results of her research on the modification of cotton substrate in InkJet printing technology.
Scientists and representatives of textile manufacturers from the Ivanovo Region, Moscow, Vologda, St. Petersburg, Kostroma, Almetyevsk, Kazan, as well as Uzbekistan, Tajikistan and Turkmenistan were invited to participate.
In her research presented at the conference, Anastasia Zakharova, a postgraduate student at Ƶ, looked at the use of modern digital printing, in particular inkjet printing, in traditional chemical processes for fibrous materials. Modern digital equipment for printing textile materials provides additional opportunities for patterned textile colouring, including resource conservation with high-quality artistic and colour design. Unlike traditional equipment, textile printers minimise dye consumption through the use of print heads.
The main task of the development was to increase the degree of fixation of active dyes on cotton fibre. Under conditions of minimised application of the dye solution to the fibre, the young scientist had to ensure the fixation of the active form of the dye and either remove or fix the hydrolysed dye, ensuring the stability and intensity of the colour.
Amino-containing preparations were used to increase the degree of dye fixation on cotton fibre. In addition, the Ƶ postgraduate student used ascending paper chromatography methods to detect the presence of hydrolysed dye, and assessed the intensity of the colour and resistance to washing using optical spectroscopy and software on a spectrophotometer.
The studies showed almost complete fixation of the dye on the fibre when an intensifier was used in the pre-treatment. Anna Mikhailovskaya, Professor at the Department of Chemical Technologies named after Prof. A.A. Kharharov, Ƶ, also spoke at the conference, sharing the results of her research on the use of quaternary ammonium salts in textile processing.
Natalia Dashchenko, Associate Professor at the Department of Chemical Technology named after Prof. A.A. Kharharov, St. Petersburg State University of Technology and Design, spoke about research into the production of photocatalytically active textile materials and the evaluation of their properties.
Maria Bakaeva, a postgraduate student at the Department of Chemical Technology named after Prof. A.A. Kharkharov, Ƶ, took part in the conference with a poster presentation on thermochromic systems based on crystalline violet lactone, and Natalia Sverdlova, Associate Professor at the Department of Nanostructured, Fibrous and Composite Materials named after A.I. Meos at Ƶ presented a poster report on the secondary use of polyethylene terephthalate in artificial stone for the modification of composite building materials.