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Basic parameters of different polymers.
| Samples | Feed ratio of GTMAC to chitosan (wt./wt.) | Reaction time (h) | DD (%)a | DQ (%)b |
|---|---|---|---|---|
| Chitosan | — | — | 86.4 | — |
| HTCC-1 | 0.5:1 | 6 | — | 10.9 ± 1.5 |
| HTCC-2 | 1.0:1 | 6 | — | 23.4 ± 1.4 |
| HTCC-3 | 1.5:1 | 6 | — | 33.7 ± 2.1 |
DD is the degree of deacetylation; DQ is the degree of quaternization.
DD of chitosan was determined by 1H NMR.
DQs of HTCC were measured by conductometric titration and data are quoted as mean ± S.E.M.. (n = 3).
