含碳纤维环氧树脂涂料在高压脉冲电场作用下的杀菌性能研究

doi:10.11902/1005.4537.2014.187

中国腐蚀与防护学报

2015, Vol. 35

Issue (5): 438-446 DOI: 10.11902/1005.4537.2014.187

本期目录 | 过刊浏览

含碳纤维环氧树脂涂料在高压脉冲电场作用下的杀菌性能研究

林海强¹,柴柯¹(

),吴进怡^1,²,杨鹏鹏¹,宋春蕾¹

2. 中国科学院海洋研究所海洋环境腐蚀与生物污损重点实验室青岛 266071

Antibacterial Performance of Epoxy Resin Coatings with Carbon Fiber Reinforcement in High Voltage Pulsed Electric Field

Haiqiang LIN¹,Ke CHAI¹(

),Jinyi WU^1,²,Pengpeng YANG¹,Chunlei SONG¹

1. Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Material and Chemical Engineering College, Hainan University, Haikou 570228, China
2. Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China

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摘要:

在环氧树脂涂料中掺杂不同含量不同长度的碳纤维填料,并对涂层表面进行绝缘化处理,分别在11和15 kV电压条件下,检测其对黄杆菌的杀灭效果。结果表明：当涂层中不含碳纤维时,在11和15 kV电压作用下,其杀菌率分别为90.82%和93.18%。在11 kV电压和含0.01%(质量分数) 碳纤维时,杀菌效果随碳纤维长度的增大而略为增大,填料长度为7 mm的碳纤维涂层杀菌率为99.82%。而在11 kV电压和含0.03%碳纤维时,填料长度为3 mm的碳纤维涂层在该条件下杀菌效果最为理想,为99.73%。电压越大,则杀菌效果越好。高压脉冲电场作用下的导电涂料有可能成为一种新型环保节能的防污技术。Raman和SEM结果表明,高压脉冲电场对涂层有序度和完整性略有影响。

关键词 ：高压脉冲电场, 环氧树脂涂料, 碳纤维, 杀菌率

Abstract：

Epoxy resin coatings reinforced with different amount of carbon fiber of varied length were prepared, and which then were covered with a top coating of insulation. The antibacterial performance of the above coatings, especially for flavobacterium was examined by high voltages of 11 and 15 kV respectively. It was observed that the sterilizing efficiency of epoxy resin coatings without carbon fiber were 90.82% and 93.18% by voltage 11 and 15 kV respectively. For the coating with 0.01%(mass fraction) of carbon fiber, the sterilizing efficiency increases slightly with the increasing fiber length by voltage 11 kV. The epoxy resin coatings with carbon fiber of 7 mm in length achieved a sterilizing efficiency up to 99.82%. While the epoxy resin coatings containing 0.03% carbon fiber of 3 mm in length exhibits the highest sterilizing efficiency 99.73% by voltage of 11 kV; whilst the sterilizing efficiency of the epoxy resin coatings increased with the increasing voltage. Therefore, the conductive epoxy resin coating may provide a new prospect for environment-friendly and energy-saving technique of fouling prevention in the relevant industrial processes, which adopt pulse electric field technology.

Key words： high-voltage pulsed electric field epoxy resin coating carbon fiber sterilizing efficiency

ZTFLH:

基金资助:国家自然科学基金项目 (51261006,51161007和50761004),海南省自然科学基金项目 (511112) 和中国科学院海洋环境腐蚀与生物污损重点实验室开放基金项目 (MCKF201403) 资助

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引用本文:

林海强, 柴柯, 吴进怡, 杨鹏鹏, 宋春蕾. 含碳纤维环氧树脂涂料在高压脉冲电场作用下的杀菌性能研究[J]. 中国腐蚀与防护学报, 2015, 35(5): 438-446.
Haiqiang LIN, Ke CHAI, Jinyi WU, Pengpeng YANG, Chunlei SONG. Antibacterial Performance of Epoxy Resin Coatings with Carbon Fiber Reinforcement in High Voltage Pulsed Electric Field. Journal of Chinese Society for Corrosion and protection, 2015, 35(5): 438-446.

链接本文:

https://www.jcscp.org/CN/10.11902/1005.4537.2014.187 或 https://www.jcscp.org/CN/Y2015/V35/I5/438

图1 不同涂层在11 kV电压下的杀菌效果和峰值电流

图2 不同涂层在15 kV电压下的杀菌效果和峰值电流

图3 添加0.03%不同长度碳纤维后涂层表面的显微图像

图4 含0.03% 3 mm碳纤维涂层通电前后的Raman光谱

图5 3 mm碳纤维通电前后的Raman光谱

表1 3mm碳纤维通电前后的Raman谱峰解析结果

图6 含不同碳纤维涂层在不同电压处理后的SEM像

表2 图6a和c中方块区域样品的EDS分析结果

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