SOL-GEL TECHNIQUE IN ECO-FRIENDLY COLORATION OF CELLULOSIC MATERIALS
Keywords:
sol-gel, silica, sodium silicate, citric acid, cellulose, plant colorants, continuous dyeing, madder, chlorophyllAbstract
At this work, modified variant of sol-gel method is presented, which provides for carrying out of polycondensation not in the impregnation bath, but in the pores of cotton fibers. It is possible due to consistent impregnation in solution of precursor and colorant and catalyst of hydrolysis. The possibility of obtaining silica coating by this method has been proved by the results of scanning electron microscopy and energy dispersive analysis. An influence of treatment conditions on tensile properties and coloration intensity is studied. It was revealed that higher temperature of heat treatment leads to an increase of color fastness.
References
[1] Sakka S. Sol-gel Science and Technology: Topics and Fundamental Research and Applications. Norwell: Kluwer Academic Publishers. 2003. 1777 p.
[2] Mahltig B., Textor T. Nanosols and Textiles.1-st edition Singapore: World Scientific Publishing Co, 2008. 224 p.
[3] Alongi J., Ciobanu M., Malucelli G. Sol-gel treatments for enhancing flame retardancy and thermal stability of cotton fabrics: optimisation of the process and evaluation of the durability // Cellulose. 2011. N 18. P. 167-177.
[4] Alongi J., Malucelli G. State of the art and perspectives on sol-gel derived hybrid architectures for flame retardancy of textiles // J. Mater. Chem. 2012. N 22. P. 21805.
[5] Brancatelli G., Colleoni C., Massafra M.R., Rosace G. Effect of hybrid phosphorus-doped silica thin films produced by sol-gel method on the thermal behavior of cotton fabrics // Polym. Degrad. Stab. 2011. N 96. P. 483-490.
[6] Xing Y., Yang X.J., Dai J.J. Antimicrobial finishing ofcotton textile based on water glass by sol–gel method // J sol-sel Sci. Technol. 2007. N 43. P. 187-192.
[7] Mahltig B. , Fiedler D., Bottcher H. Antimicrobial Sol–Gel Coatings // J. Sol-Gel Sci. Technol. 2004. N 32. P. 219-222.
[8] Aksit A.C. , Onar N. Leaching and fastness behavior of cotton fabrics dyed with different type of dyes using sol-gel process // J. Appl. Polym. Sci. 2008. N 109. P. 97-105.
[9] Mahltig B., Textor T. Combination of silica sol and dyes on textiles // J. Sol-Gel Sci. Technol. 2006. N 39. P. 111-118.
[10] Huang K.S., Nien Y.H., Hsiao K.C., Chang Y.S. Application of DMEU/SiO2 gel solution in the antiwrinkle finishing of cotton fabrics // J. Appl. Polym. Sci. 2006. 102. P. 4136-4143.
[11] Xue C.H., Ji S.T., Chen H.Z., Wang M. Preparation of superhydrophobicsurfaces on cotton textiles Sci. Technol. Adv. Mater. 2008. N9. P. 1-7.
[12] Yu M., Gu G., Meng W.D., Qing F.L. Superhydrophobic cotton fabric coating based on a complex layer of silica nanoparticles and perfluorooctylated quaternary ammonium silane coupling agent // Appl. Surf. Sci. 2007. N 253. P. 3669-3673.
[13] Mahltig B., Bottcher H. Modified Silica Sol Coatings for Water-Repellent Textiles // J. Sol-Gel Sci. Technol. 2003. N 27. P. 43-52.
[14] Li F.Y., Xing Y.J., Ding X. Immobilization of papain on cotton fabric by sol–gel method // Enzyme Microb. Technol. 2007. N 40. P. 1692-1697.
[15] Bhosale R.R., Shende R.V., Puszynski J.A. Thermochemical water-splitting for H2 generation using sol-gel derived Mn-ferrrite in a packed bed reactor // International Journal of Hydrogen Energy. 2012. N 37. P. 2924-2934.
[16] Photocatalytic properties and optical characterization of cotton fabric coated via sol–gel with noncrystalline TiO2 modied with poly (ethylene glycol) // Surface and Coatings Technology. 2012. N 207. P. 79-88.
