Patent ID: 7196127

Claim:
A biodegradable polyesteramide having a formulation composed from starting raw materials (percentage by weight): a diacid: having C2˜C6 carbon atoms, with the formulation containing 30%˜70% by weight; a diamine: having C2˜C6 carbon atoms, with the formulation containing 10%˜70% by weight; a diol: having C2˜C6 carbon atoms, with the formulation containing 10%˜50% by weight; an amide: having C2˜C6 carbon atoms, with the formulation containing 5%˜70% by weight; a branching agent: tetraacetate ethylene, with the formulation containing no more than 10% by weight; a catalyst: an organic compound containing tin, with the formulation containing 0˜50 ppm proportion by weight; and an antioxidant: an aromatic compound, with the formulation containing 0%˜5% by weight.