CAJ | 학술논문

本文利用改性超支化聚合物(MHBP)制备了纳米银胶体溶液,获得了粒径为10 nm左右的纳米银胶体溶液,该纳米银胶体溶液在放置4个月后粒径仍在15 nm左右,具有良好的稳定性.采用纳米银胶体溶液整理真丝织物,结果表明整理后的织物纤维上分布了大量纳米银颗粒,当银含量为109.80 mg/kg时,对金黄色葡萄球菌和大肠杆菌的抑菌率分别达到99.46%和99.25%.经过50次洗涤后,对两种细菌的抑菌率仍达98%以上.
본문이용개성초지화취합물(MHBP)제비료납미은효체용액,획득료립경위10 nm좌우적납미은효체용액,해납미은효체용액재방치4개월후립경잉재15 nm좌우,구유량호적은정성.채용납미은효체용액정리진사직물,결과표명정리후적직물섬유상분포료대량납미은과립,당은함량위109.80 mg/kg시,대금황색포도구균화대장간균적억균솔분별체도99.46%화99.25%.경과50차세조후,대량충세균적억균솔잉체98%이상.
Silver nanoparticle colloid was prepared through the reduction of silver nitrate by modified hyperbranched polymer (MHBP) in aqueous solution. The generated silver nanoparticles were characterized by UV-Vis, XRD, Nano-Sizer and TEM. The diameter of silver nanoparticle was around 10 nm and could disperse well in the aqueous solution with excellent stability. Then the silver nanoparticle colloid was diluted in order to treat the silk fabric. The results showed that there were plenty of silver nanoparticles dispersed well on the surface of silk fibers. The treated silk fabric exhibited excellent antibacterial activity. When the silver content of treated silk fabric was 109.80 mg/kg, the bacterial reduction rates against S.aureus and E.coli were 99.46%and 99.25%respectively, and beyond 98%even after washing 50 times.