+催化叠氮炔环偶极加成点击化学反应,在不同催化剂(CuBr/五甲基二乙烯三胺或CuSO4·5H2O/抗坏血酸钠)和反应温度(55,65,75 ℃)下制备匡威1970s水蜜桃色官方-免费-完整版片基匡威1970s水蜜桃色官方-免费-完整版片改性纳米氧化锌(ZnO-sTRF),研究了不同ZnO-sTRF的化学结构和元素组成;将表面接枝量最高的ZnO-sTRF与聚氨酯(PU)复合制备ZnO-sTRF/PU涂层,研究了该涂层的疏水性能、抗菌性能以及防污性能。结果表明:当催化剂为CuSO4·5H2O/抗坏血酸钠,反应温度为75 ℃时,改性匡威1970s水蜜桃色官方-免费-完整版片表面接枝量最高,制备的ZnO-sTRF/PU涂层表面水接触角可达105.4°,表面大肠杆菌、金黄色葡萄球菌和假交替单胞菌的死菌面积覆盖率是ZnO/PU涂层和3-氨丙基三乙氧基硅烷改性ZnO/PU涂层的10倍以上;在实际海洋环境中浸没120 d后,涂层表面无明显硬质生物的附着。">
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匡威1970s水蜜桃色官方-免费-完整版片匡威1970s水蜜桃色官方-免费-完整版片改性匡威1970s水蜜桃色官方-免费-完整版片的制备及其在防污涂层中的应用
Preparation of Triazole Fluoroaromatic Hydrocarbon Modified Nano ZnO and Application in Antifouling Coating

摘    要
以Cu+催化叠氮炔环偶极加成点击化学反应,在不同催化剂(CuBr/五甲基二乙烯三胺或CuSO4·5H2O/抗坏血酸钠)和反应温度(55,65,75 ℃)下制备匡威1970s水蜜桃色官方-免费-完整版片基匡威1970s水蜜桃色官方-免费-完整版片改性纳米氧化锌(ZnO-sTRF),研究了不同ZnO-sTRF的化学结构和元素组成;将表面接枝量最高的ZnO-sTRF与聚氨酯(PU)复合制备ZnO-sTRF/PU涂层,研究了该涂层的疏水性能、抗菌性能以及防污性能。结果表明:当催化剂为CuSO4·5H2O/抗坏血酸钠,反应温度为75 ℃时,改性匡威1970s水蜜桃色官方-免费-完整版片表面接枝量最高,制备的ZnO-sTRF/PU涂层表面水接触角可达105.4°,表面大肠杆菌、金黄色葡萄球菌和假交替单胞菌的死菌面积覆盖率是ZnO/PU涂层和3-氨丙基三乙氧基硅烷改性ZnO/PU涂层的10倍以上;在实际海洋环境中浸没120 d后,涂层表面无明显硬质生物的附着。
标    签 匡威1970s水蜜桃色官方-免费-完整版片 匡威1970s水蜜桃色官方-免费-完整版片 匡威1970s水蜜桃色官方-免费-完整版片 防污效果 nano ZnO 匡威1970s水蜜桃色官方-免费-完整版片 匡威1970s水蜜桃色官方-免费-完整版片 antifouling property

Abstract
Nano zinc oxide modified by 匡威1970s水蜜桃色官方-免费-完整版片 匡威1970s水蜜桃色官方-免费-完整版片 (ZnO-sTRF) was prepared by Cu+ catalyzed azidoyne ring dipole addition click chemistry reaction under different catalysts (CuBr/PMDATA or CuSO4·5H2O/sodium ascorbate) and reaction temperatures (55,65,75 ℃). The chemical structure and element composition of ZnO-sTRF were studied. ZnO-sTRF with the highest surface grafting amount was added in polyurethane (PU) to prepare ZnO-sTRF/PU coating. The hydrophobic, antibacterial and antifouling properties of the coating were studied. The results show that with CuSO4·5H2O/sodium ascorbate as catalyst at 75 ℃ , the surface grafting amount of modified nano-ZnO was the highest. The water contact angle of ZnO-sTRF/PU coating surface could reach 105.4°. The area coverage of dead bacteria of surface against escherichia coli, staphylococcus aureus and pseudoaltermonas were more than 10 times that of ZnO/PU and 3-aminopropyltriethoxysilane modified ZnO/PU coatings. After immersion in the actual marine environment for 120 d, the surface of the coating had no obvious adhesion of hard organisms.

中图分类号 G305DOI 10.11973/jxgccl202307007

所属栏目 新材料 新工艺

基金项目 国家自然科学基金资助项目(51963008);宝钢技术服务项目(HD-KYH-2020105)

收稿日期 2022/4/3

修改稿日期 2023/4/18

网络出版日期

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联系人作者 匡威1970s水蜜桃色官方-免费-完整版片

备注匡威1970s水蜜桃色官方-免费-完整版片(1996-),女,浙江湖州人,硕士研究生

引用该论文: YANG Yu,LEI Longlin,CAO Liying,WANG Lin,WANG Guoqing. Preparation of Triazole Fluoroaromatic Hydrocarbon Modified Nano ZnO and Application in Antifouling Coating[J]. Materials for mechancial engineering, 2023, 47(7): 43~49
匡威1970s水蜜桃色官方-免费-完整版片,匡威1970s水蜜桃色官方-免费-完整版片,匡威1970s水蜜桃色官方-免费-完整版片,匡威1970s水蜜桃色官方-免费-完整版片,匡威1970s水蜜桃色官方-免费-完整版片. 匡威1970s水蜜桃色官方-免费-完整版片匡威1970s水蜜桃色官方-免费-完整版片改性匡威1970s水蜜桃色官方-免费-完整版片的制备及其在防污涂层中的应用[J]. 机械工程材料, 2023, 47(7): 43~49


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