EXTRUSION COMPOSITIONS HAVING HIGH DRAWDOWN AND SUBSTANTIALLY REDUCED NECK-IN

摘要

AN ETHYLENE POLYMER EXTRUSION COMPOSITION HAVING HIGH DRAW DOWN AND SUBSTANTIALLY REDUCED NECK-IN, A PROCESS FOR MAKING SUCH A COMPOSITION AND A PROCESS OF USING SUCH A COMPOSITION TO PREPARE EXTRUSION COATINGS, EXTRUSION PROFILES AN;I EXTRUSION CAST FILMS ARE DISCLOSED. THE ETHYLENE POLYMER EXTRUSION COMPOSITION IS MADE OF 75-95 WEIGHT PERCENT OF AT LEAST ONE ETHYLENE A-OLEFIN INTERPOLYMER AND 5-25 WEIGHT PERCENT OF AT LEAST ONE HIGH PRESSURE ETHYLENE POLYMER CHARACTERIZED AS HAVING HIGH MELT STRENGTH AND A BROAD, BIMODAL MOLECULAR WEIGHT DISTRIBUTION. IN PROFILES, COATINGS OR FILMS, THE COMPOSITION CAN BE USED AS SEALANT, ADHESIVE OR ABUSE RESISTANCE LAYERS.