| abstract |
The present invention relates to a method of preparing a crosslinked starch-based polymer, the method comprising the following steps: 1) dissolving a starchy material in an appropriate solvent to form a total solution; And 2) adding an episulfide of formula (I) to the solution, wherein R 1 , R 2 , R 3 and R 4 are each independently hydrogen and (C 1 -C 3) in the starch solution. ) Is selected from alkyl, thereby obtaining a disulfide crosslinked starch-based polymer. In another aspect, the present invention relates to a disulfide crosslinked starch-based polymer obtainable according to the method of the present invention, which is characterized only by disulfide bridges. |