曹长林,于金超,王桂森,张玉梅,王华平
CAO Chang-lin,YU Jin-chao,WANG Gui-sen,ZHANG Yu-mei,WANG Hua-ping

• 1:东华大学纤维材料改性国家重点实验室
• 2:山东省诸城市林业局

摘要(Abstract)：

利用实验室合成的非水溶性抗菌剂——聚六亚甲基胍十二烷基苯磺酸盐(PHGDBS),与纤维素共同溶解于离子液体中,经干喷湿纺制备了抗菌再生纤维素纤维,并研究了PHGDBS对纤维结构性能的影响。结果表明:所合成的PHGDBS能够溶解于离子液体中,且对细菌和真菌均有很好的抗菌效果。PHGDBS质量分数为2%时制备的再生纤维素纤维,对金黄色葡萄球菌和大肠埃希菌的抗菌率分别达99.7%和94.5%;经水洗15次后,抗菌率仍保持在90%以上。另外,PHGDBS的加入对纤维的表面和截面形态无显著影响,虽然再生纤维素纤维的结晶度和取向度减小,纤维的断裂强度有所下降,但仍可以满足服用性能。
A novel non-water soluble polyhexamethylene guanidine dodecyl benzene sulfonate(PHGDBS)was synthesized in laboratory. Homogeneous solution was obtained by co-dissolution of cellulose and PHG-DBS in ionic liquid. Antimicrobial regenerated cellulose fiber was fabricated with dry-jet wet spinning, andthe effects of PHGDBS on structure and properties of cellulose fiber were studied. The results showed thatPHGDBS was soluble in ionic liquid and had good inhibitory effect on both bacteria and fungi. Regeneratedcellulose fiber with 2% PHGDBS showed 99.7% and 94.5% bacterial reduction rates for S. aureus and E.coli, respectively. Moreover, still over 90% of bacterial reduction was maintained after 15 laundering cycles.It was also found that PHGDBS had no obvious effects on the surface and cross-section morphology of cellu-lose fiber. Despite of the decrease of crystallinity, crystal orientation and breaking strength of cellulose fibercaused by PHGDBS to some extent, the antimicrobial regenerated cellulose fiber still could be used forwearing.

关键词(KeyWords)： 抗菌纤维素;离子液体;聚胍盐;共溶解;结构与性能
antimicrobial cellulose;ionic liquid;polymeric guanidine salt;co-dissolution;structure and property

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51273041)

作者(Author): 曹长林,于金超,王桂森,张玉梅,王华平
CAO Chang-lin,YU Jin-chao,WANG Gui-sen,ZHANG Yu-mei,WANG Hua-ping

DOI: 10.16090/j.cnki.hcxw.2017.04.005

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