| 摘要 |
The instant invention provides an aromatic polyamide composition for molding which is of superior rigidity, strength, toughness, dimensional stability, resistance to chemicals, external surface appearance and sliding characteristics in high-humidity, high-temperature environments, which has a low coefficient of linear expansion and which is of low warpage.In a representative composition, 5 to 170 parts by weight of wollastonite of a number average length of approximately 5 mum to approximately 180 mum and a number average diameter of approximately 0.1 mum to 15.00 mum and the average aspect ratio of which is greater than 3:1 is compounded with 100 parts by weight of semi-aromatic polyamide in which the quantity of aromatic monomer in the monomer component that forms the polyamide is greater than 20 mol % and the melting point of which is greater than 280° C. |
