Fluorescent polyurethane elastic fiber and preparation method thereof

• Main Authors: HE XINHAI, YANG DONG, LI SHUANGLONG, TIAN GUANGMING, MA JIANHUA
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2024
• Subjects: ADHESIVES; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; CHEMISTRY; DYES; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; NATURAL RESINS; PAINTS; POLISHES; SPINNING; TEXTILES

The invention belongs to the technical field of fluorescent fiber preparation, and particularly relates to a fluorescent polyurethane elastic fiber and a preparation method thereof.The preparation method comprises the steps that firstly, N, O-coordinated fluorine boron fluorescent dyes with different emission wavelengths are prepared; then preparing an N, O-coordinated fluorine boron fluorescent dye/polyurethane composite spinning solution; and finally, preparing the fluorescent polyurethane elastic fiber through wet spinning. The fluorescent elastic fiber prepared by the invention has excellent mechanical properties and optical properties, and has a good application prospect in the fields of fluorescent anti-counterfeiting trademarks, fluorescent ink, textiles, garments and the like. 本发明属于荧光纤维制备技术领域，具体涉及一种荧光聚氨酯弹性纤维及其制备方法，本发明首先制备具有不同发射波长的N,O-配位氟硼荧光染料；然后配置N,O-配位氟硼荧光染料/聚氨酯复合纺丝液；最后通过湿法纺丝制备荧光聚氨酯弹性纤维；本发明制备的荧光弹性纤维兼具优异的力学性能和光学特性，在荧光防伪商标、荧光油墨、纺织服装等领域具有良好的应用前景。