| abstract |
The invention provides a tea polyphenol modified polyester filament, wherein the mass content of tea polyphenol is 0.1-5%, the mass content of monofilament fiber is 0.1-0.5dpf, the breaking strength is 8.2-9.9cN/dtex, and the breaking elongation is 11.2-18.0% 2 ‑SiO 2 Adding polyvinylpyrrolidone 5-8% and polyvinylpyrrolidone 2-5% into the microsphere and tea polyphenols, mixing, and adding tetracyanodimethylbenzeneQuinone and deionized water are stirred and converted into ultrasonic waves for ultrasonic treatment, wherein the ultrasonic frequency is 45-50KHz, the ultrasonic power is 1500-2000W, and the ultrasonic time is 8-18 min; the modified polyester filament yarn has the advantages of antibacterial action, lasting antibacterial effect, high preparation efficiency and good spinning quality. |