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. |