Biodegradable aliphatic-aromatic polyester
First Claim
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1. Biodegradable aliphatic/aromatic copolyester (AAPE) comprising:
- A) an acid component comprising repeating units of;
1) 49 to 63 mol % of a polyfunctional aromatic acid;
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.
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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.
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Citations
16 Claims
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1. Biodegradable aliphatic/aromatic copolyester (AAPE) comprising:
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A) an acid component comprising repeating units of; 1) 49 to 63 mol % of a polyfunctional aromatic acid; 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification