E. I. du Pont de Nemours and Company
DEXTRAN-POLY ALPHA-1,3-GLUCAN GRAFT COPOLYMERS AND SYNTHESIS METHODS THEREOF

Abstract:

Compositions are disclosed herein comprising a graft copolymer having (i) a backbone comprising dextran with a molecular weight of at least about 100000 Daltons, and poly alpha-1,3-glucan side chains comprising at least about 95% alpha-1,3-glucosidic linkages. Further disclosed are reactions for producing such graft copolymers, as well as their use in absorbent materials.