SYNTHESIS OF ENERGETIC POLYESTER THERMOPLASTIC HOMOPOLYMERS AND ENERGETIC THERMOPLASTIC ELASTOMERS FORMED THEREFROM

摘要

Polymerization of alpha-bromomethyl-alpha-methyl-beta-propiolactone (BMMPL) or alpha-chloromethyl-alpha-methyl-beta-propiolactone (CMMPL) yielded thermoplastic homopolymers that upon azidation led to a novel energetic thermoplastic polyester: poly(alpha-azidomethyl-alpha-methyl-beta-propiolactone) (PAMMPL). An energetic copolyether-ester thermoplastic elastomer was prepared by using glycidyl azide polymer, a dihydroxyl terminated energetic polymer, as a macroinitiator for the polymerization of BMMPL or CMMPL. The azidation of the resulting copolyether-ester yielded an energetic thermoplastic elastomer that melted at between 80° C. and 85° C. Polymerization of alpha-dibromomethyl-beta-propiolactone (DBMPL) resulted in a polymer which upon azidation yielded a new energetic polymer that can be used as a binder or into an energetic thermoplastic elastomer synthesis.