C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/08 (2006.01) C06B 45/10 (2006.01) C08G 63/685 (2006.01) C08G 63/91 (2006.01)
Patent
CA 2367795
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.
Ampleman Guy
Brochu Sylvie
Department Of National Defence
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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