依次将铜离子和十四烷基三丁基季鏻阳离子(TBTP)与蒙脱土离子交换得到季鏻盐-铜/蒙脱土复合材料(TBTP-Cu/MMT),其中铜和季鏻阳离子的质量含量分别为2.87%和24.07%.热重(TG)、X射线衍射(XRD)分析结果表明,铜离子和季鏻阳离子确实交换到蒙脱土中,并且TBTP-Cu/MMT中季鏻阳离子的热分解起始温度约为220℃,具有较好的热稳定性.抗菌试验结果表明,TBTP-Cu/MMT具有较好的抗菌性能,对金黄色葡萄球菌和大肠杆菌最小抑菌浓度(MIC)分别为12.5 μg·mL-1和200μg·mL-1.研究了蒙脱土复合材料浓度及与细菌的接触时间对抗菌性能的影响,发现随着浓度的增加、接触时间的延长,活菌数减少,抗菌性能提高;将100 mg TBTP-Cu/MMT在100 mL蒸馏水中浸泡20天后,季鏻阳离子和Cu2+的释放量很小,分别为4.891 mg·L-1和1.928 mg·L-1,表明TBTP-Cu/MMT具有良好的耐水性.
参考文献
| [1] | 柯扬船,皮特·斯壮.聚合物-无机纳米复合材料[M].北京:化学工业出版社,2003:65-76. |
| [2] | Oya A,Banse F,Ohashi F,et al.An antimicrobial and antifungal agent derived from montmorillontie[J].Appl Clay Sci,1991,6(2):135-142. |
| [3] | 余志伟,周卸妹,王霞,等.镁质粘土抗菌材料研究[J].非金属矿,2003,26(2):28-30.Yu Zhiwei,Zhou Xiemei,Wang Xia,et al.Study on antimicrobial materials of Mg-clays[J].Non Metallic Mines,2003,26(2):28-30. |
| [4] | 郭彤,许梓荣.体外厌氧条件下载铜蒙脱石杀菌效果的研究[J].中国生物医学工程学报,2004,23(3):259-264.Guo Tong,Xu Zirong.Antimicrobial effect of copper montmorillonite on oral bacteria under anaerobic conditions[J].Chinese Journal of Biomedical Engineering,2004,23(3):259-264. |
| [5] | 梁泽生.油田杀菌剂的研制和开发[J].精细专用化学品,2000,8(21):3-4.Liang Zesheng.Study and development of antibacterial agents in oil field[J].Fine and Special Using Chemical Sample,2000,8(21):3-4. |
| [6] | Alexis A O,Mountainside N J.Surface active quaternary higher dialkyl phosphonium salt biocides and intermediates:US,A01N009136,4188380[P].1980-02-12. |
| [7] | 张高科,余国文,周传斌,等.铜型抗菌层状硅酸盐的合成研究[J].硅酸盐学报,2004,32(5):646-648.Zhang Gaoke,Yu Guowen,Zhou Chuanbing,et al.Study on the synthesis of Cu type antibacterial layer silicate[J].Journal of the Chinese Ceramic Society,2004,32(5):646-648. |
| [8] | 卢滇楠,周轩榕,邢晓东,等.表面接枝季铵盐型聚合物的纤维素纤维--灭菌机理研究[J].高分子学报,2004(1):107-113.Lu Diannan,Zhou Xuanrong,Xing Xiaodong,et al.Quaternary ammonium salt (QAS) grafted cellulose fiber-Preparation and antibacterial function[J].Acta Polymerica Sinica,2004(1):107-113. |
| [9] | 姜文侠.抗菌防臭纤维制品抗菌效力评价新方法[J].合成纤维,1999,28(4):23-25.Jiang Wenxia.New test methods for evaluation of antimicro bial activity of antimicrobial and deodorant finish textile[J].Synthetic Fiber,1999,28 (4):23-25. |
| [10] | Herrera P,Burghardt R C,Phillips T D.Adsorption of salmonella enteritidis by cetylpyridinium-exchanged montmorillonite clays[J].Veterinary Microbiology,2000,74(3):259-272. |
| [11] | Bahranows K,Dula R,Labanorska M,et al.Study of Cu centers supported on Al-,Ti-and Zr-pillared montmorillonite clays[J].Applied Spectroscopy,1996,50:1439-1445. |
| [12] | 何宏平,郭九皋,谢先德.可膨胀性层状粘土矿物对铜离子吸附机理的模拟研究[J].环境科学,2000,21(4):47-51.He Hongping,Guo Jiugao,Xie Xiande.Adsorption mechanism of expansible layered clay minerals to copper ion[J].Environmental Science,2000,21(4):47-51. |
| [13] | Xie Wei,Gao Zongming,Pan Weiping,et al.Thermal degradation chemistry of alkyl quaternary ammonium montmorillonite[J].Chem Mater,2001,13(9):2979-2990. |
| [14] | 小佩尔扎M J,里德RD,詹E C S,编著.微生物学[M].武汉大学生物系微生物教研室译.北京:科学出版社,1987:61-200. |
| [15] | Kanazawa A,Ikeda T,Endo T.Polymeric phosphonium salts as a novel class of cationic biocides Ⅶ:Synthesis and antibacterial activity of polymeric phosphonium salts and their model compounds containing long alkyl chains[J].Journal of Applied Polymer Science,1994,53(9):1237-1244. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%