Title: Infrared Image of a Very Fine Biodegradable Yarn in Hot Drawing Process

Basel Younes

A fine multi-filament yarn of 74 filaments, biodegradable aliphatic aromatic co-polyester yarn, are drawn on hot drawing roller at 75 ^OC in the hot drawing process, IR image illustrates the temperature variation to get the temperature profile scale along or across the fibres and the roller, image colours correspond to the temperature scale on the right.