Biodegaradable aliphatic-aromatic polyester

Details Biodegaradable aliphatic-aromatic polyester Biodegaradable aliphatic-aromatic polyester

C - Chemistry, Metallurgy

08

G

C08G 63/16 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2601522

Biodegradable aliphatic/aromatic copolyester comprising: A) an acid component comprising repeating units of : 1) 49 to 63 mol % of an aromatic carboxylic acid; 2) 51 to 37 mol % of an aliphatic carboxylic acid, at least 50% of which is brassylic acid; B) a diol component; said copolyester being disintegrated according to the Standard ISO 20200 in 90 days days .

L~invention concerne un copolyester aliphatique/aromatique biodégradable comprenant : A) un composant acide comprenant des motifs répétitifs constitués : 1) de 49 à 63 % en mole d'un acide carboxylique aromatique ; 2) de 51 à 37 % en mole d'un acide carboxylique aliphatique, dont au moins 50 % correspond à l~acide brassylique ; B) un composant de type diol ; ledit copolyester se décomposant en 90 jours selon la norme ISO 20200.

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