| 摘要 |
<p>Thermoplastic resin compositions having good toughness and resistance to heat deformation are obtained by blending crystalline propylene polymers, elastomeric olefin polymers, random styrenic copolymers, and epoxy group-containing copolymers. For example, the composition may be a blend of polypropylene, ethylene-propylene or ethylene-propylene-diene monomer rubber, styrene/maleic anhydride copolymer, and ethylene/glycidyl methacrylate or ethylene/glycidol methacrylate/vinyl acetate copolymer. Physical properties are enhanced by the use of a two step blending procedure.</p> |
