abstract |
Cellulose cpds. (I) are reacted, pref. in sec.- or tert.-aliphatic alcs. for 15-360 mins. at 20-120 degrees C, pref. 30-240 mins. at 40-80 degrees C, with 1-3 mol. of 2,3-epoxypropionamide, 0.4-2 mol. of alkali or quaternary NH4 base, and 10-30 mol. H2O per anhydro-glucose unit in (I). |