| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyamide composition having better heat aging properties. <P>SOLUTION: A heat stabilized molding composition comprises: (a) a thermoplastic polyamide composition consisting of a blend of at least two polyamides; (b) a stabilizing system comprising a thermostabilizer selected from the group consisting of phenolic thermostabilizers, organic phosphites, aromatic amines, metal salts of elements from Group IB, MB, III and IV of the Periodic Table and metal halides of alkali and alkali earth metals, and combinations thereof; and (c) a metal oxide, or salt thereof, of a transition metal element from Group VB, VIB, VIIB and VIIIB of the Periodic Table, or a mixture thereof. <P>COPYRIGHT: (C)2013,JPO&INPIT |
