Photocrosslinkable poly(caprolactone fumarate)

Details Photocrosslinkable poly(caprolactone fumarate) Photocrosslinkable poly(caprolactone fumarate)

C - Chemistry, Metallurgy

08

G

C08G 63/52 (2006.01) A61L 27/18 (2006.01) A61L 27/58 (2006.01) C08L 67/06 (2006.01)

Patent

CA 2587308

Fumaric acid or a salt thereof, such as a fumaryl halide (e.g. fumaryl chloride), which contains unsaturated carbon-carbon double bonds that can be used for in situ crosslinking, is copolymerized with poly(caprolactone) diol in the presence of an alkali metal salt. The resulting photocrosslinkable biocompatible and bioresorbable poly(caprolactone fumarate) biomaterial is useful in the fabrication of injectable an in-situ hardening scaffolds for application in skeletal reconstruction.

L'invention concerne la copolymérisation d'acide fumarique ou de sel correspondant, du type halogénure de fumaryle (par exemple chlorure de fumaryle), contenant des doubles liaisons insaturées carbone-carbone susceptibles d'être utilisées pour la réticulation in situ. Il s'agit d'une copolymérisation avec un poly(caprolactone) diol en présence de sel métallique alcalin. Le biomatériau poly(caprolactone fumarate) photoréticulable biocompatible et biorésorbable résultant est utile dans la fabrication d'échafaudages injectables et à durcissement in situ, pour les applications de reconstruction du squelette.

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