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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and properties of crosslinked network coatings based on perfluoropolyether/poly(dimethyl siloxane)/acrylic polyols for marine fouling-release applications
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Preparation and properties of crosslinked network coatings based on perfluoropolyether/poly(dimethyl siloxane)/acrylic polyols for marine fouling-release applications

机译：基于全氟聚醚/聚二甲基硅氧烷/丙烯酸多元醇的交联网络涂料的制备和性能

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摘要

,-Triethoxysilane terminated poly(dimethyl siloxane) (PDMS) oligomer, ,-triethoxysilane terminated perfluoropolyether (PFPE) oligomer, and acrylic polyols were first synthesized via an addition reaction and free-radical polymerization. Then, crosslinked network coatings based on PFPE/PDMS/acrylic polyols for marine fouling-release applications were prepared by a condensation reaction. The structure of the crosslinked network coating was characterized by Fourier transform infrared spectroscopy. The chemical composition of the coating surface was characterized by X-ray photoelectron spectroscopy. The thermal properties, surface energy, mechanical properties, adhesion, and antiseawater immersion performance of the coatings were systematically studied. The antibiofouling properties of the crosslinked network coating were evaluated by laboratory biofouling assays with the bacteria Escherichia coli and the fouling diatom Navicula. The results from the preliminary study suggested that this crosslinked network coating had good adhesion and promising antifouling properties that were comparable to a silicone standard. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41860.
机译：首先，通过加成反应和自由基聚合，合成了-，-三乙氧基硅烷封端的聚（二甲基硅氧烷）（PDMS）低聚物，-三乙氧基硅烷封端的全氟聚醚（PFPE）低聚物。然后，通过缩合反应制备了用于船舶污垢释放的基于PFPE / PDMS /丙烯酸多元醇的交联网络涂料。交联网络涂层的结构通过傅里叶变换红外光谱进行了表征。通过X射线光电子能谱表征涂层表面的化学组成。系统地研究了涂层的热性能，表面能，机械性能，附着力和抗海水浸泡性能。交联网络涂层的抗生物污垢特性是通过实验室生物污垢测定法对大肠杆菌和污垢硅藻Navicula进行评估的。初步研究的结果表明，这种交联的网络涂料具有良好的附着力和有希望的防污性能，可与硅氧烷标准相媲美。 （c）2015 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41860。

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