| 摘要 |
A polymer resin comprising a blend of an olefin polymer, such as polyethylene, a monovinylidene aromatic polymer, such as polystyrene, and a graft copoiymer compatibilizing agent. The compatibilizing agent comprises an alpha -olefin copolymer substrate grafted with amounts of monovinylidene aromatic polymer. Preferably, the alpha -olefin copolymer substrate is a terpolymer of ethylene, propylene and a non-conjugated diolefin. This thermoplastic material has very desirable property combinations, combining the desirable properties from the olefinic and monovinylidene aromatic polymers. The blend can be shaped into final products by thermoforming techniques yet possesses many desirable polyolefin properties such as environmental stress crack resistance. |
