Biodegradable phase separated segmented multi block co-polymers

Details Biodegradable phase separated segmented multi block co-polymers Biodegradable phase separated segmented multi block co-polymers

C - Chemistry, Metallurgy

08

G

C08G 63/08 (2006.01) A61K 9/00 (2006.01) A61K 9/16 (2006.01) A61K 47/34 (2006.01) A61L 27/18 (2006.01) A61L 27/28 (2006.01) A61L 31/06 (2006.01) A61L 31/10 (2006.01) C08G 18/42 (2006.01) C08G 63/60 (2006.01) C08G 63/64 (2006.01) C08G 63/664 (2006.01)

Patent

CA 2493375

The invention is directed to biodegradable, thermoplastic, phase separated segmented multi-block copolymers. The copolymers of the present invention find use in various biomedical applications as well as in pharmaceutical applications. According to the invention a biodegradable, phase separated copolymer is provided, comprising segments of a soft prepolymer (A) having a Tg lower than 37~C; and segments of a hard prepolymer (B) having a phase transition temperature Tm of 40-100~C.

L'invention concerne des copolymères thermoplastiques biodégradables segmentés en blocs multiples et présentant des phases séparées. Ces copolymères peuvent être utilisés dans différents domaines biomédicaux ou pharmaceutiques. Ce copolymère biodégradable à phases séparées est composé de segments de prépolymère mou (A) dont le Tg est inférieur à 37 ·C et de segments de prépolymère dur (B) possédant une température de transition de phase Tm de 40-100 ·C.

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