A process for the degradation of ployethyl terthtalate to dimethyl ester of terftalic acid. (Machine-translation by Google Translate, not legally binding)

摘要

Process for the manufacture of staple fibers of polyethylene terephthalate, characterized in that before entering the drawing area exposed to a vapor atmosphere, the cable is loaded by water irrigation with a moisture content of 4 to 10% by weight, referred to the dry cable, washed under tension in a bath of hot water after leaving said area, then revived, crimped by upsetting and then drying in a relaxed state, then subjected in two stages to a short voltage, in which second stage it applies a high tension in relation to the first one and leading it finally to the cutter to be converted into cut fiber. (Machine-translation by Google Translate, not legally binding)