硫酸掺杂聚苯胺涂层的快速表面光热杀菌性能

doi:10.11896/cldb.18050239

材料导报

2019, Vol. 33

Issue (14): 2431-2435 https://doi.org/10.11896/cldb.18050239

高分子与聚合基复合材料

硫酸掺杂聚苯胺涂层的快速表面光热杀菌性能

刘钊, 王纪孝, 孙亚伟

天津大学化学工程联合国家重点实验室,天津 300072

Rapid Surface Photothermal Sterilization Performance of Sulfuric Acid Doped Polyaniline Coating

LIU Zhao, WANG Jixiao, SUN Yawei

State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072

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摘要首次采用硫酸掺杂聚苯胺(PANI)作为光热材料制备光热杀菌涂层,以闪光灯为光源,将其用于表面快速光热杀菌。研究了材料的吸光和光热转换性能,考察了不同照射距离对PANI涂层的影响,并进行了杀菌实验。实验结果表明,通过硫酸掺杂可提高材料对可见光的吸收和光热转化性能;过近的照射会使材料发生热熔融和脱掺杂。由杀菌实验发现,硫酸掺杂PANI杀菌涂层仅通过毫秒级的闪光照射即可实现高效杀菌。不同光照距离下,涂层的杀菌率及重复使用性有“Trade Off”关系,照射距离在3 cm时,涂层同时具有高的杀菌性能和良好的重复使用性。

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关键词: 表面光热杀菌聚苯胺可见光快速杀菌光照强度

Abstract: The photothermal sterilization coating was prepared by using sulfuric acid doped polyaniline (PANI) as photothermal material for the first time. The photothermal sterilization experiments was carried out, taking the flash light as light source. The UV-Vis absorption and photothermal conversion performance of PANI coatings were investigated. The effects of the different flash distances on the PANI coatings and the sterilization performance of the coating were explored. The results showed that the doping of sulfuric acid was beneficial for improving the visible light absorption and photothermal conversion performance of the material. Too close irradiation would make the material melt and dedoped. It could be found in the sterilization experiment that sulfuric acid-doped PANI coating exerted marvelous sterilization effect through a millisecond flash. Under va-rious irradiation distances, there existed a “Trade Off” relationship between the sterilization rate and reusability of the coating. When the irradiation distance was 3 cm, the coating presented both favorable sterilization performance and satisfactory reusability.

Key words: surface photothermal sterilization polyaniline visible light rapid sterilization light intensity

发布日期: 2019-06-19

ZTFLH:

TQ342

基金资助: 国家重点研发计划(2017YFB0603400);国家海洋局海洋公益性行业科研专项经费项目(201405013-5);国家自然科学基金项目(20836006) ;大学学科人才引进项目(B06006)

通讯作者: jxwang@tju.edu.cn

作者简介: 刘钊,天津大学化工学院硕士。研究工作主要围绕关于光热杀菌的应用研究。参与了国家自然科学基金项目、海洋公益专项等项目。王纪孝,天津大学化工学院教授,博士研究生导师,1998年博士毕业于在南开大学高分子化学研究所,1998—2000年在天津大学化学工程研究所从事于博士后研究。现为天津大学化工协同创新中心及化学工程联合国家重点实验室(天津大学)骨干成员;分离膜与材料课题组负责人。主持或作为骨干参加各类项目共计近40项,在国际刊物上发表SCI论文130余篇,SCI总引2050余次,单篇最高他引次数为200余次;获授权发明专利30项。

引用本文:

刘钊, 王纪孝, 孙亚伟. 硫酸掺杂聚苯胺涂层的快速表面光热杀菌性能[J]. 材料导报, 2019, 33(14): 2431-2435.
LIU Zhao, WANG Jixiao, SUN Yawei. Rapid Surface Photothermal Sterilization Performance of Sulfuric Acid Doped Polyaniline Coating. Materials Reports, 2019, 33(14): 2431-2435.

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http://www.mater-rep.com/CN/10.11896/cldb.18050239 或 http://www.mater-rep.com/CN/Y2019/V33/I14/2431

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