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3-(Hydroxyphenylphosphinyl)-propanoic acid (3-HPP) esters of cellulose (HPP-Cellulose) were synthesized homogeneously in ionic liquid 1-butyl-3-methylimidazoliumchloride by in situ activation. The chemical structure of the cellulose esters is characterized by FTIR and NMR. The degree of substitution was easily controlled within 0.38-1.51 by varying the molar ratio of 3-HPP/anhydroglucose unit, reaction...
New 3-(hydroxyphenylphosphinyl)-propanoic acid (3-HPP) esters of cellulose were synthesized in N, N-dimethylacetamide/LiCl homogeneously by the method of in situ activation with p-toluenesulfonyl chloride. Chemical structure and thermal properties of the cellulose esters were investigated by FTIR, 13C-NMR, TGA, RT-IR and Py–GC/MS, and their flame retardancy was studied by limiting oxygen index (LOI)...
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