Abstract
The influence of the content of thermoplastic polyimide (TPI) on the structure and properties of polyamide66 (PA66)/TPI blends was studied. The results indicated that the addition of TPI showed little influence on the mechanical properties of the PA66/TPI blends, and the melting and crystallization behavior of the TPI/PA66 blends was not changed obviously. However, the addition of a small quantity of TPI significantly improved the heat resistance, and lowered the friction coefficient and the wear rate of the blends in comparison with pure PA66.
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