Journal
POLYMERS
Volume 14, Issue 17, Pages -Publisher
MDPI
DOI: 10.3390/polym14173692
Keywords
imidazolium salt; interphases; thermoplastics; composites; micromechanical tests
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Funding
- FEDER
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This paper investigates the relationships between surface chemistry, microstructure, and micromechanical properties of polyphenylene sulfide and ex-PAN carbon fibers. The incorporation of ionic salt significantly increases the interfacial shear strength.
Processing structural or semi-structural thermoplastic-based composites is a promising solution to solve the environmental issues of the aeronautic industry. However, these composites must withstand high standard specification to ensure safety during transportation. For this reason, there is a real need to develop strong interactions between thermoplastic polymers and reinforcement fibers. This paper investigates relationships between the surface chemistry, microstructure and micromechanical properties between polyphenylene sulfide and ex-PAN carbon fibers. The incorporation of ionic salt such as 1,3-Bis(4-carboxyphenyl)imidazolium chloride into neat polyphenylene sulfide was able to significantly increase the interfacial shear strength measured by microbond micromechanical test combined with different carbon fiber surfaces treatment.
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