ICI Fibres developed the

Crimplene Crimplene is a texturised continuous fibre launched in 1959, produced by modifying Terylene. The patent was taken out by Mario Nava of Chesline and Crepes Ltd of Macclesfield, and sold to ICI Fibres. ICI licensed the product to various throwsters ...

fibre.

Description

It is a thick,

polyester Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain. As a specific material, it most commonly refers to a type called polyethylene terephthalate (PET). Polyesters include natural ...

yarn used to make a fabric of the same name. The resulting cloth is heavy, wrinkle-resistant and retains its shape well. Britain's defunct ICI Laboratory developed the fibre in the early 1950s and named it after the

Crimple Valley Crimple Valley is an area south of Harrogate (North Yorkshire) surrounding the River Crimple (also known as Crimple Beck). It gave its name to the synthetic yarn Crimplene Crimplene is a texturised continuous fibre launched in 1959, produced ...

in which the company was situated. An alternative reason for the name chosen is that is crimped (i.e. bulked up)

Terylene Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods ...

References

Imperial Chemical Industries {{UK-company-stub