DIMENSIONALLY STABLE FOAM MADE FROM COMPATIBILIZED BLENDS OF POLY (VINYL AROMATIC) POLYMERS AND POLY (ALPHA-OLEFIN) POLYMERS FOR CUSHION PACKAGING APPLICATIONS

摘要

Foams made from a ternary blend of an alkenyl aromatic polymer such as polystyrene, an alpha -olefin polymer such as polyethylene, and a substantially random interpolymer as compatibilizer, are used as cushion packaging. The cushion packaging foams are soft, dimensionally stable and exhibit good cushioning properties.