A shaped polyester composite material having an excellent bonding property to rubber, comprises a shaped substrate comprising an aromatic linear polyester matrix and 0.3 to 15%, based on the weight of the matrix, of silicon dioxide fine particles having an average size of 5 to 100 millimicrons and dispersed in at least a surface portion of the substrate, and;
a surface coating layer formed on the fine particle-containing surface portion of the substrate and comprising a surface-activating material consisting of at least one member selected from silane conpling compounds and organic titanium compounds, the surface coating layer having been heat treated at a temperature of 50°C or more but at least 10°C below the melting point of the polyester matrix.
一种与橡胶具有优异粘合性能的定型聚酯复合材料,包括一个定型基材,该基材由芳香族线性聚酯基体和 0.3 至 15%(基于基体重量)的
二氧化硅细颗粒组成,
二氧化硅细颗粒的平均粒径为 5 至 100 毫微米,至少分散在基材的表面部分,以及;在基材的含细颗粒表面部分形成的表面涂层层,该表面涂层层由至少一种表面活性材料组成,该表面活性材料选自
硅烷偶联化合物和
有机钛化合物,表面涂层层在 50°C 或更高的温度下经过热处理,但至少低于聚酯基体熔点 10°C。