紫外线诱导的乙烯"点击"表面植入聚合在BOPP基板上的聚合,并为水友和抗菌应用进行后修改
Yuqing Fan1, Yuan Zhang1, Lin Sheng1
1Beijing Engineering Research Center of Syntheses and Applications of Waterborne Polymers, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
Langmuir : the ACS journal of surfaces and colloids
|September 22, 2023
概括
这项研究提出了一种修改双轴定向聚烯 (BOPP) 薄膜的新方法,创造了耐用的抗菌表面. 多功能表面接种和后修改技术产生高效的抗菌和抗生素污染材料.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 表面化学 表面化学
背景情况:
- 开发具有增强功能的先进聚合物表面对于各种应用至关重要.
- 现有的表面改造方法往往缺乏耐用性或多功能性.
- 对于生物医学和包装材料来说,抗菌和抗生素污染性质是非常理想的.
研究的目的:
- 为双轴定向聚烯 (BOPP) 薄膜提出一种新且多功能的表面修改路径.
- 在BOPP表面上引入强大的抗菌和抗生素污染特性.
- 为了探索紫外线光介导的乙烯的潜力,点击化学和后修饰反应.
主要方法:
- 在使用紫外线光介导的乙烯点击聚合方式,将聚合物 (乙烯) 层植入BOPP薄膜上.
- 表面醇组的后修改,以引入抗菌性质的四级盐.
- 用可见光照射为增强功能的聚甲酸链的进一步接种.
主要成果:
- 在接种层上达到高醇组密度 (高达8.2 × 10^2 ea/nm^3).
- 经过修改的膜显示了99.98%的抗菌率对金黄色葡萄球菌,在水中21天和溶液中3天后保持有效性.
- 引入了聚甲酸盐链,产生99.99%的抗菌率对抗大肠杆菌和其他细菌,以及优良的抗生素粘附性.
结论:
- 拟议的表面修改路径是多功能和有效的,用于创建持久的抗菌和抗生素污染BOPP薄膜.
- 乙烯点击化学和后修改的组合提供了可调的表面特性.
- 开发的材料显示出对于要求高水平卫生和耐微生物污染的应用具有重大潜力.
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