The invention pertains to a polymer composition possessing improved resistance towards degradation and discolouring phenomena induced by UV radiation, said composition comprising at least one aromatic sulfone polymer; at least one organic UV absorber and at least one basic compound selected from the group consisting of (i) basic oxides and hydroxides of divalent metals and (ii) salts of a weak acid, and to methods for its manufacture and to shaped articles obtained therefrom.
本发明涉及一种聚合物组合物,该组合物具有更好的抗紫外线辐射引起的降解和褪色现象的能力,所述组合物包括至少一种芳香族砜聚合物;至少一种有机
紫外线吸收剂和至少一种碱性化合物,所述碱性化合物选自(i)二价
金属的碱性氧化物和氢氧化物和(ii)弱酸盐组成的组,本发明还涉及其制造方法和由此获得的成型物品。