Patent ID: 7931949
Filing Date: 2011-04-26
Classification: B29C,B29K,B65D,Y02A,Y02W,Y10T

Abstract:
1. A biodegradable starch bowl being prepared to have a desired shape by heating and pressurizing a composition for the biodegradable starch bowl comprising unmodified starch having of 20-60 wt. %; pulp fiber powder of 5-30 wt. %; a solvent of 30-60 wt. %; Fe(III) doped titanium dioxide of 0.5-2.0 wt. %; and potassium sorbate of more than 0.1 to less than 0.5 wt % based on the total amount of the composition; and a biodegradable film which has a thickness of 100-300 μm for water-resistance, wherein the biodegradable film is made of one or more selected from the group consisting of polybutylene succinate, polyethylene succinate, ester starch and cellulose acetate, for being attached to an inner surface of the bowl.