LOW DENSITY POLYTHYLENE TAPIOCA STARCH DEGRADABLE BIOFILMS WITH PALM OIL BASED PROCESSING AID FOR BLOWN FILM EXTRUSION

摘要

5 LOW DENSITY POLYETHYLENE TAPIOCA STARCH DEGRADABLE BIOFILMS WITH PALM OIL BASED PROCESSING AID FOR BLOWN FILM EXTRUSION 1 0 A METHOD FOR PREPARING A STARCH BASED BIODEGRADABLE PACKAGING MATERIAL, SAID METHOD INCLUDES PROVIDING A BIODEGRADABLE POLYMER, A PALM COOKING OIL AND A LOW DENSITY POLYETHYLENE (LDPE) RESIN; DRYING THE BIODEGRADABLE POLYMER AND THE LDPE RESIN; MIXING AND BLENDING 300 GRAMS OF THE BIODEGRADABLE POLYMER WITH 600 GRAMS OF THE PALM COOKING OIL AND 2700 GRAMS OF THE LDPE RESIN IN A HIGH SPEED MIXER; 15 COMPOUNDING THE BIODEGRADABLE POLYMER WITH THE LDPE RESIN WITH AN ADDITION OF THE PALM COOKING OIL IN A TWIN SCREW EXTRUDER; PALLETIZING EXTRUDATES USING A PALLETIZER MACHINE; DRYING PALLETIZED EXTRUDATES; BLOWING DRIED EXTRUDATES EMPLOYING A BLOWN FILM EXTRUSION MACHINE TO PRODUCE A BLOWN FILM PACKAGING MATERIAL; AND OBTAINING THE BLOWN FILM PACKAGING MATERIAL. 20 25 30