Abstract
Starch and hydrolyzed starches along with carboxymethyl cellulose were independently subjected to cationization by reacting them with N-(3-chloro-2-hydroxypropyl) trimethylammonium chloride (known commercially as Quat 188) in presence of alkaline catalyst. The cationization reaction was carried out under different conditions Optimal reaction conditions could be achieved at Quat 188 (2 mmol), NaOH (1 mmol) at temperature (70 °C) 60 min for CMC or 120 min for starch. The cationic products were characterized by FTIR spectroscopy, and nitrogen percentage. Application of the cationized products as well as their parent materials in textile sizing was also undertaken. Moreover, hybrids of starch-Quat 188 and CMC-Quat 188 were used as flocculants; flocculation was carried at pH 6 using different flocculant dose. Results obtained indicate that the cationic-based hybrids – under investigation display characteristics, which qualify them to function as an excellent sizing and flocculating agents.
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