Biodegradable aliphatic-aromatic polyesters

Details Biodegradable aliphatic-aromatic polyesters Biodegradable aliphatic-aromatic polyesters

C - Chemistry, Metallurgy

08

G

C08G 63/183 (2006.01) C08L 3/02 (2006.01) C08L 67/02 (2006.01) C08L 67/04 (2006.01)

Patent

CA 2601181

Biodegradable aliphatic/aromatic copolyester comprising 50 to 60 mol% of an aromatic dicarboxylic acid and 40 to 50 mol% of an aliphatic acid, at least 90% of which is a long-chain dicarboxylic acid (LCDA) of natural origin selected from azelaic acid, sebacic acid, brassylic acid or mixtures thereof ; and a diol component.

L~invention concerne un copolyester aliphatique/aromatique biodégradable comprenant de 50 à 60 % en mole d'un acide dicarboxylique aromatique et de 40 à 50 % en mole d'un acide aliphatique, dont au moins 90 % est un acide dicarboxylique à longue chaîne (ADLC) d'origine naturelle choisi parmi l'acide azélaïque, l'acide sébacique, l'acide brassylique ou leurs mélanges ; et un composant de type diol.

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