SIZING SOLUTION FOR NATURAL AND SYNTHETIC YARN FILAMENTS BASED ON POLYETHYLENE TEREPHTHALATE WASTE

摘要

A sizing solution for natural and synthetic yarn filaments based on polyethylene terephthalate waste wherein recyclate as polyethylene terephthalate waste alcoholysis product under the action of glycerin in the presence of catalyst at a temperature of 250 °C with viscosity coefficient of from 0.8 to 6 Pa·sec is used as film former.