Relation of certain infrared bands to cellulose crystallinity and crystal latticed type:
- The effectiveness of alkali in removing the cross-linking agent was examined by surface analysis (X-ray photoelectron spectroscopy, XPS), attenuated total reflectance Fourier transform infrared spectroscopy, and solubility in particular solvents on cotton fabrics treated with 1,2,3,4-butane tetracarboxylic acid (BTCA) for increasing time periods.
- Following chemical "stripping" operations, the yield of cellulose was calculated, and the impact of alkali treatments on the level of polymerization of the resulting cellulose was assessed.
- A commercially feasible yield of cellulose was obtained and the BTCA was effectively removed from the cotton fabric treated with crease resist, according to surface studies and solubility tests.
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