| 摘要 |
A polypropylene moulding composition essentially comprising a high-molecular-weight homopolymer or copolymer of propylene and from 0.001 to 0.5 % by weight of a nucleating agent from the group comprising sodium benzoate, sodium montanate, calcium montanate, aluminium p-tert-butylbenzoate, quinacridone, naphthalimide, dibenzylidenesorbitol and ultrafine talc gives mouldings of improved hardness and toughness. |
