Effects of surface modification on interfacial and rheological properties of CCTO/PEN composite films

- CCTO were grafted successfully by PEN-COOH.
- The surface modified CCTO/PEN composite films possess high thermal stability.
- The mechanisms on dielectric and mechanical properties were clarified.
- The dispersion state was characterized by parallel-plate rheometry.
- The calculated rheological percolation threshold is about 7.5 wt% loading.