Chapter 6 - Poly(aryl ether ketone)s

Add time:09/07/2019    Source:sciencedirect.com

Poly(aryl ether ketones) belong to the class of engineering polymers. Refined varieties of poly(ether ether ketone)s include the poly(ether ketone ketone) (PEKK), poly(ether ether ketone ketone) (PEEKK) and poly(ether ketone ether ketone ketone) (PEKEKK) polymer type. Special additives like Melt Stabilizers and Fillers and Reinforcing Materials are discussed. PEEK also finds applications as extruded rods and profiles for manufacture of bushings, seals, etc. Microporous polymeric membranes are used widely for filtration and purification processes, such as filtration of wastewater, preparation of ultrapure water, and in medical, pharmaceutical or food applications, including removal of microorganisms, dialysis and protein filtration. Poly(aryl ether ketone)s show outstanding chemical resistance and thermal properties. The preparation of sulfonated PEEK with a sulfonated phenyl group pendant from the main chain has been described in detail.

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