The basic process comprises adding an organic compound containing amine, hydroxyl or sulfhydryl functional groups to a homobifunctional carboxylic cross linking agent in the presence of a hydroxylimide catalyst to form {HEAD ~ an adduct} with {TAIL ~ a free carboxyl moiety} 
with
The basic process comprises adding an organic compound containing amine , hydroxyl or sulfhydryl functional groups to a homobifunctional carboxylic cross linking agent in the presence of a hydroxylimide catalyst to form { HEAD ~ an adduct } with { TAIL ~ a free carboxyl moiety }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL