Cellulose and chitosan hydrogen phthalates

Cellulose and chitosan hydrogen phthalates of various degrees of substitution were readily prepared from polysaccharides when reacted with phthalic, nitrophthalic and trimellitic anhydrides in presence of 4‐dimethylaminopyridine in dimethyl sulfoxide/triethylamine as reaction medium. Cellulose requi...

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Veröffentlicht in:	Die Makromolekulare Chemie 1987-07, Vol.188 (7), p.1659-1664
Hauptverfasser:	Levesque, Guy, Chiron, Gérard, Roux, Odette
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Cellulose and derivatives Exact sciences and technology Natural polymers Physicochemistry of polymers
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Cellulose and chitosan hydrogen phthalates of various degrees of substitution were readily prepared from polysaccharides when reacted with phthalic, nitrophthalic and trimellitic anhydrides in presence of 4‐dimethylaminopyridine in dimethyl sulfoxide/triethylamine as reaction medium. Cellulose requires at least one equivalent of phthalic anhydride to dissolve entirely.
ISSN:	0025-116X 0025-116X
DOI:	10.1002/macp.1987.021880713