| abstract |
Biodegradable, expanded starch products are provided having increased resistance to water and high humidity and comprising low DS hydrophobic starch derivatives having the formula: <IMAGE> where ST is starch, R is a dimethylene group, R' is a substituent hydrocarbon having 10 to 16 carbon atoms, Y is a metal, x is an integer equal to the valence of Y and derivative or ester group has a DS of from about 0.03 to 0.12. |