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US 2008/0188593 A1Published application
Biodegradable Aliphatic-Aromatic Polyester
AssigneeNovamont S.p.A.
InventorsCatia Bastioli, Tiziana Millizia, Giovanni Floridi, Andrea Scaffidi Lallro, Gian Domenico Cella, Maurizio Tosin
Life of this patent
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Abstract
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.
Claims24
1-16. (canceled)
Biodegradable aliphatic/aromatic copolyester (AAPE) comprising:
- A) an acid component comprising repeating units of:
- 1) 49 to 63 mol % of a polyfunctional aromatic acid;
- 2) 51 to 37% of an aliphatic acid at least 50% of which is brassylic acid,
- B) a diol component,
- said AAPE being disintegrated according to the Standard ISO 20200 in 90 days, and having:
- a density of less than or equal to 1.18 g/cc;
- a number average molecular weight Mn of 40,000-140,000;
- an inherent viscosity of 0.8-1.5.
5 more elements
Dependencies are inferred from the claim text.