文献类型：期刊文献

英文题名：Effect of germanium particle size on the negative air ion release and antimicrobial performances of germanium-polyamide 6 composite fibers

作者：Chen, Zhi[1,2];Ke, Huizhen[1];Wang, Jian[2];Li, Zhongjian[2];Li, Yonggui[1];Jia, Hao[3];Wei, Qufu[3]

机构：[1]Minjiang Univ, Fujian Key Lab Novel Funct Text Fibers & Mat, Fuzhou, Peoples R China;[2]Shaoxing Univ, Key Lab Clean Dyeing & Finishing Technol Zhejiang, Shaoxing 312000, Zhejiang, Peoples R China;[3]Jiangnan Univ, Key Lab Ecotext, Minist Educ, Wuxi, Jiangsu, Peoples R China

年份：0

外文期刊名：TEXTILE RESEARCH JOURNAL

收录：SCI-EXPANDED(收录号：WOS:000825140900001)、、EI(收录号：20222812336189)、Scopus(收录号：2-s2.0-85133612342)、WOS

基金：The authors disclosed receipt of the following financial support for the research, authorship and/or publication of this article: This work was supported by the Transformation Program of Scientific and Technological Achievements of Fuzhou City, China (project number: 2020GX-7), the Natural Science Foundation of Fujian Province, China (project number: 2020J05173) and the Opening Project of Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province (project number: QJRZ2105).

语种：英文

外文关键词：Negative air ions; antimicrobial; germanium; polyamide fiber; textile

外文摘要：Germanium-polyamide 6 (Ge-PA6) fibers A, B and C containing germanium particles with sizes of D50 = 0.2, 2 and 7 mu m were prepared using the melt spinning method. The effect of germanium particle size on the morphologies, mechanical properties, negative air ion (NAI) release and antimicrobial efficiencies of the two kinds of fibers were compared and analyzed. The NAI release and antimicrobial mechanisms of the Ge-PA6 fibers were also discussed. Results indicated that the germanium particles dispersed well inside the PA6 fiber substrate in the range of 1-3 wt%, and smaller particles help the fiber to obtain better diameter evenness and mechanical performance compared with larger ones. The stronger extranuclear electron activity and electrostatic voltage along the C-axis allow the fiber that contains smaller germanium particles to produce more NAIs compared to that containing larger particles. Some 780 and 1587 ions/m(3) of NAIs could be produced by fiber A under the circumstance of 35 degrees C and 40 N extrusion force when the germanium concentration was fixed at 3 wt%. The excellent NAI release property of the Ge-PA6 fiber endows it with inspiring antibacterial activity against S. aureus and C. albicans with a 12 h bacteriostasis rate of more than 90% at human body temperature. These results indicated Ge-PA6 fibers have great application potential in apparel and medical textiles.