摘要
采用3-甲基丙烯酰氧丙基三甲氧基硅烷改性的复合纳米TiO2与氟碳共聚物乳液共混得到改性纳米氟碳乳液,并以该乳液为主要成膜物,与颜填料进行混合制得了改性纳米氟碳涂料。考察了氟碳涂料、纳米氟碳涂料和改性纳米氟碳涂料的常规性能、抗菌性和自清洁性。实验结果表明,3种氟碳乳液的性能均符合合成树脂乳液内墙涂料标准,其中,改性纳米氟碳乳液的固含量最高且成膜温度最低;改性纳米氟碳涂料对葡萄球菌和大肠埃希氏菌的抗菌率可达到99%,且对这2种细菌的抗菌耐久性分别达97%和96%;改性纳米氟碳涂料涂层的吸水量低,疏水性强,具有良好的自清洁性。
Modified nano-fluorocarbon emulsion was prepared by blending 3-methacry- oyloxypropyltrimethoxysilane modified composite nano-TiO2 and fuorocarbon copolymer emulsion. Used as a major film former, the modified nano-fluorocarbon emulsion was applied to making modified nano-fluorocarbon coatings by adding pigments and fillings. The conventional performance, antibacterial activity and self-cleaning capacity of the modified nano-fluorocarbon coatings were investigated and compared with those of the fluorocarbon coatings and nano-fluorocarbon coatings. The results indicated that the performances of all three emulsions met the standard of synthetic resin latex for inner wall coatings, whereas the modified nano-fluorocarbon emulsion had the highest solid content and the lowest film forming temperature. The antibacterial rates of the modified nano-fluorocarbon coatings to both Staphylococcus and Escherichia coli reached 99%, and their antibacterial durabilities to Staphylococcus and Escherichia coli were 97% and 96%, respectively. The modified nano-fluorocarbon coating also has low water absorption, strong hydrophobicity and good self-cleaning capacity.
出处
《石油化工》
CAS
CSCD
北大核心
2013年第3期325-329,共5页
Petrochemical Technology
基金
国家自然科学基金项目(20964002
21263024
21244003)
甘肃省科技支撑计划项目(1011GKCA017)
甘肃省高等学校研究生导师科研项目(1201-15)
关键词
复合纳米二氧化钛
氟碳共聚物乳液
自清洁涂料
抗菌性能
composite nano-titanium dioxide
fluorocarbon copolymer emulsion
self-cleaningcoating
antimicrobial activity
