LAMINATED PACKAGING MATERIAL; METHOD OF MANUFACTURE OF SUCH MATERIAL AND CONTAINER MADE FROM SUCH MATERIAL Russian patent published in 2003 - IPC

FIELD: manufacture of laminated packaging materials. SUBSTANCE: proposed packaging material has inner layer made from paper or carboard and gas barrier layer made from polyamide mixture including condensation polymer metaxylene diamine and adipic acid and second crystalline or semicrystalline polyamide applied on one side of inner layer by covering by means of joint extrusion. Invention contains description of method proposed for manufacture of such material. EFFECT: enhanced efficiency. 14 cl, 7 dwg, 5 tbl