Affiliation:
1. College of Textile and Material Engineering Dalian Polytechnic University Dalian China
Abstract
AbstractIn the current study, to obtain environmentally friendly printed cotton fabrics with a clear contour edge, ethylene glycol diglycidyl ether (EGDE) as a crosslinking agent and guar gum as a thickener were used with natural madder dye. The solid content of the thickener was assessed to determine the optimal viscosity of the printing paste. Scanning electron microscopy images and colour depth (K/S) values were used to analyse the surface morphology and printing properties. The pattern outline of the printed cotton fabric was assessed with an optical microscope. Also, the overall fastness properties of the printed fabrics were evaluated. The results showed that when the solid content of guar gum was 2.5%, the viscosity of the printing paste was close to 10 000 mPa.s, which was suitable for printing cotton fabrics. Scanning electron microscopy analysis showed that most of the printing paste was removed during the washing process, and did not affect the microstructure of the cotton fabric. Compared with direct printed cotton fabrics, the K/S values of mordant and crosslinked printed cotton fabrics increased by 3.12 and 4.01, respectively. In the optical microscopy photographs, the mordant and crosslinked printed cotton fabrics displayed a clear outline sharpness of the printed pattern, and excellent printed products were obtained. The colour fastness to washing, rubbing and light of the crosslinked printed cotton fabric were significantly improved, reaching levels of 4‐5.
Funder
Department of Education of Liaoning Province
Subject
Materials Science (miscellaneous),General Chemical Engineering,Chemistry (miscellaneous)
Reference34 articles.
1. New thickener based on s-triazine di-sulfanilic xanthan for reactive printing of silk fabric with double-sided patterns
2. Screen-Printing of Cotton with Natural Pigments: Evaluation of Color and Fastness Properties of the Prints
3. Exploratory investigation of chitosan as mordant for eco‐friendly antibacterial printing of cotton with natural dyes;Teli MD;J Text,2013
4. Natural thickener in textile printing (a mini review);Ebrahim SA;J Text Color Polym Sci,2021
5. Effects of printing with different thickeners on cotton fabric with reactive dyes;Kibria MG;IOSR J Polym Text Eng,2018