Preparation method of RPET short fiber and RPET short fiber

• Main Authors: MA YIZHONG, XIE ZHIPING, WU SONGPING, YAN YURONG, ZHOU XIAOBING, GU HAIYUN, ZHANG YONG, MA JUNBIN, MA CHUHAO, LI QINGYU, ZHUANG RUIXIN, WEN RUI
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2024
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS; METALLURGY; NATURAL OR ARTIFICIAL THREADS OR FIBRES; ORGANIC MACROMOLECULAR COMPOUNDS; SPINNING; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP

The invention relates to the technical field of chemical fibers, and provides a preparation method of RPET short fibers and the RPET short fibers. The preparation method comprises the following steps: carrying out partial alcoholysis reaction on first regenerated PET, then carrying out carboxylation...