|footnotes=<ref>{{cite book |first1=A.K. |last1=van der Vegt |first2=L.E. |last2=Govaert |title=Polymeren, van keten tot kunstof |language=dutch |date=2003 |publisher=DUP Blue |edition=5th |isbn=90-407-2388-5 |url=https://research.tue.nl/en/publications/polymeren-van-keten-tot-kunststof}}</ref>
}}
'''Polyether ether ketone''' ('''PEEK''') is a colourlessbeige coloured [[organic compound|organic]] [[thermoplastic]] [[polymer]] in the [[polyaryletherketone]] (PAEK) family, used in engineering applications. It was invented in November 1978<ref>{{Cite web|title=Victrex celebrates 40 years of PEEK success|url=https://www.victrex.com/en/news/2018/11/40-years-of-peek-success|access-date=2021-11-01|website=Victrex|language=en}}</ref> and brought to market in the early 1980s by part of [[Imperial Chemical Industries|Imperial Chemical Industries (ICI)]], the PEEK division was acquired through a management buyout, giving rise to [[Victrex|Victrex PLC]].<ref>{{cite web|url=http://drakeplastics.com/peek/|title=Why PEEK?|website=drakeplastics.com|access-date=23 April 2018}}</ref>
