Conductive easy-to-dye spandex and preparation method thereof

• Main Authors: QIAN JIN, SUN LELE, ZHU YANLIU, LIU SHANSHAN, XUE SHIZHUANG, JIN JOONG-SEONG, CHEN LING, YANG XIAOYIN
• Format: Patent
• Language: Chinese; English
• Published: 07.04.2023
• 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; METALLURGY; NATURAL OR ARTIFICIAL THREADS OR FIBRES; ORGANIC MACROMOLECULAR COMPOUNDS; SPINNING; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP

The invention provides conductive easy-to-dye spandex and a preparation method thereof.The conductive easy-to-dye spandex is prepared through dry spinning with a polyurethane urea stock solution A as a core material and a polyurethane stock solution B as a skin material, and the preparation method comprises the steps that PTMEG and MDI serve as main raw materials, diamine serves as a chain extender, DMAC serves as a solvent, and a conductive material is added to prepare the polyurethane urea stock solution A; pTMEG and MDI are used as main raw materials, diamine is used as a chain extender, DMAC is used as a solvent, and an anti-ultraviolet agent, a dyeing assistant, an anti-yellowing agent, an antioxidant and the like are added to prepare a polyurethane urea stock solution B; the preparation method comprises the following steps: by taking the stock solution A as a core material and the stock solution B as a skin material, preparing fibers with a skin-core structure through a spinneret plate assembly by adopt