Preparation and application of fluorocarbon polymer/SiO2 hybrid materials, part 2:: Water and oil repellent processing for cotton fabrics by sol-gel method

This research employed different procedures for out water and oil repellent finish on cotton fabrics with fluorocarbon copolymer or its hybrid materials. The experimental results indicated that fabrics processed with fluorocarbon copolymer have larger contact angle for water and oil repellent finish, and the fabric processed with simultaneous bathing of fluorocarbon copolymer/ TEOS is the strongest but has poorer softness. Furthermore, when processing with chemical compounds, the processes or orders had little effect on the fabric's angle of contact and bleaching, but had more significant influence on strength. Regarding to washing fastness, after ten-time water washing, the angle of contact of processed fabrics decreased by about 3%. Overall, the fabric pretreated with TEOS, followed by fluorocarbon polymer, had the best balance of physical properties. (c) 2006 Wiley Periodicals, Inc.