Abstract
The sol-gel process is an excellent technology for coating various materials thus imparting new properties to the treated samples. 100% cotton fabric were treated in two steps with formulations containing BTCA (1,2,3,4-butanetetracarboxylic acid) and SHP (sodium hypophosphite) as catalyst and TEOS (tetraethoxysilane)/GPTMS (glycidylpropyloxytrimethoxysilane)-based solutions with different amounts of GPTMS. The samples were investigated by means of FT-IR/ATR spectroscopy, 29Si-CP-MAS-NMR, XRD and HPLC. The textile physical properties were evaluated by means of DCRA (dry crease recovery angle), and the abrasion resistance was tested with a Martindale tester. The findings make evident that the DCRA values could be moderately improved applying a two step procedure (BTCA treatment, sol-gel treatment), while the abrasion resistance was significantly increased.
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