Method for preparing recycled polyester fully drawn yarn

• Main Authors: ZHU HUASHENG, DONG FENGMIN, WANG XINMEI
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2010
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING; TEXTILES

The invention relates to a method for preparing recycled polyester fully drawn yarn and belongs to the field of textile chemical fibers. The method comprises the following steps of: drying recycled polyester bottle flakes; spinning; cooling by horizontally blowing; applying oil and beaming to form a pre-network; winding to obtain a finished product; dyeing, physically examining and classifying; and packaging and warehousing. The method for preparing the recycled polyester fully drawn yarn has the advantages of reasonable process design and equipment configuration, stable product quality, reliable spinning performance and long life cycle of spinning assemblies.