Acidic polylactic polymers

Details Acidic polylactic polymers Acidic polylactic polymers

C - Chemistry, Metallurgy

08

G

C08G 63/08 (2006.01) C08G 63/60 (2006.01) C08G 63/91 (2006.01)

Patent

CA 2250981

A biodegradable polyester prepared from lactic acid, and, optionally, other hydroxy acid or acids. The polyester contains 4-100 carboxyl groups and has an average molecular weight of 1,000 to 200,000 g/mol. Also disclosed are methods of making such polyesters.

Cette invention se rapporte à un polyester biodégradable préparé à partir d'acide lactique et, éventuellement, à partir d'un ou de plusieurs autres acides hydroxy. Ce polyester contient 4 à 100 groupes carboxyle et a un poids moléculaire moyen compris entre 1000 et 200 000 g/mol. Cette invention concerne également des procédés de fabrication de tels polyesters.

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