Abstract
Anionic ring-opening polymerization and copolymerization of allyl glycidyl ether (AGE), tert-butyl glycidyl ether (tBuGE), and ethoxyethyl glycidyl ether (EEGE) was performed using potassium 3-phenyl-1-propanol as initiator. The polymers poly(AGE), poly(tBuGE), poly(EEGE) as well as poly(AGE-co-tBuGE), poly(AGE-co-EEGE), and poly(EEGE-co-tBuGE) were obtained with controlled degree of polymerization, narrow molecular weight distribution and a predetermined ratio of repeating units. First-order kinetics with respect to the glycidyl monomers were found for homo- and copolymerization. The removal of protection groups from the homopolymers was achieved using trifluoroacetic acid for poly(tBuGE), aqueous hydrochloric acid for poly(EEGE), and a palladium catalyst for poly(AGE); in all cases a linear poly(glycidyl ether) (poly(GE), 1) was obtained. The following conversions were achieved by selective removal of only one protection group: using aqueous hydrochloric acid, poly(AGE-co-EEGE) was converted to poly(AG...
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