i want to find swelling degree of cross linked films.i need to know whether any relation is there between swelling degree and biodegradability of films.Actually what is the real purpose of doing sweeling degree of films or water uptake of crosslinked polymer.what idea we get from doing this? i know for wound healing application sweeling degree of polymer should be between particular value. any other purpose is there to find sweeling degree of crosslinked fillms?plz answer this question?