Crystallinity studies of PEKK and carbon fibre/PEKK composites: A review

Poly(etherketoneketone) (PEKK) is a thermoplastic, part of the poly(aryletherketone) (PAEK) family polymers, with excellent mechanical performance and chemical resistance properties that make it an interesting candidate as matrix for high-performance composites. Developing thorough understanding material paramount in applications, case thermoplastics, crystallinity plays essential role. This review paper covers crystallisation morphology structure PEKK CF/PEKK composites, behaviour kinetics under isothermal dynamic conditions, how these vary across different grades terephthalic/isophthalic ratios. In impact transcrystallinity development at fibre-matrix interface, well carbon fibre inclusions on are discussed. Several models available literature presented The current limitations future directions composites also considered, covering manufacturing techniques such autoclaving, automated tape placement, 3D printing. article draws comparisons to better researched established poly(etheretherketone) (PEEK) whenever relevant, order compliment discussions wherever sparse.