Patent ID: 6413625
Filing Date: 2002-07-02
Classification: C08J,Y10T

Abstract:
Thermoformable sheeting which sheeting consists of a foamed propylene homopolymer or copolymer or contains at least one layer of such a foam and which sheeting is applicable for producing open containers by drawing or deep drawing the sheeting and expanding under reduced pressure the gas trapped in the foam when the foam is in a thermoformable state, characterized in that the foamed propylene homopolymer or copolymer contains between 60 and 90% high melt strength propylene homopolymer or copolymer and at least one further propylene homopolymer or copolymer, has a density of 0.1 to 0.7 g/cm3 and a cell number of more than 300 cells per mm3.