Wollastonite (W)/carbon black (CB)/chlorinated polyethylene (CPE) conductive composites were prepared via melt compounding using CB and wollastonite as fillers and CPE as the matrix. The results indicated that the room temperature resistivity of CPE/CB/wollastonite composites decreased to 1.66Ω·cm after 1 hour of heat treatment, and the PTC strength reached 4.7. Subsequently, the relationship between the internal structure of the materials, changes in crystallinity, and PTC properties was analyzed using X-ray diffractometry and DSC differential scanning calorimetry.
- Jiaxin Zhao
- Hongliang Hu
- Feng Luo