Patent ID: 6706345
Filing Date: 2004-03-16
Classification: C08L,Y10T

Abstract:
A plastic biodegradable container made from a polymer prepared by the polycondensation of a dicarboxylic acid and a glycol, the biodegradable container comprising:a biodegradable polyester resin consisting essentially of a polycondensate of succinic acid with an aliphatic glycol selected from the group consisting of 1,4-butanediol and ethylene glycol, wherein said polyester resin has a number average molecular weight of 9,000-90,000, a weight average molecular weight of 30,000-600,000, a melting point of 70-150Â° C., and a melt index (190Â° C., 2160 g) of 0.1-50 g/min, and a moisture permeability of 70-120 measured at 37.8Â° C., 90% RH for 24 hours, and wherein said container is produced by molding at above 120Â° C.