引用本文:齐育红,张占平,刘红.Nano-TiO2/FEVE氟碳涂层的水云藻附着性能[J].中国表面工程,2010,(2):74~77
QI Yu–hong，ZHANG Zhan–ping，LIU Hong.Attachment Performance of Ectocarpus on Nano-TiO_2/FEVE Fluoro-carbon Coatings[J].China Surface Engineering,2010,(2):74~77
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Nano-TiO2/FEVE氟碳涂层的水云藻附着性能
齐育红,张占平,刘红
大连海事大学,材料科学与工程系,大连,116026
摘要:
为了研发新型无毒舰船防污涂料，以FEVE氟碳树脂为成膜物、纳米TiO2粉末为功能添加剂，试制了系列Nano–TiO2/FEVE氟碳涂层，研究了纳米TiO2含量对大型藻（水云藻）附着行为的影响。结果表明，水云藻的附着量随着涂层中纳米TiO2含量的增加而减少，当纳米TiO2含量达到0.8%时，水云藻附着量降至最少，纳米TiO2含量由0.8%增大至2%，水云藻的附着量增大，纳米TiO2含量继续增大至4%，涂层上水云藻的附着量反而减小。纳米TiO2对水云藻的附着具有明显的阻止作用，可以成为一种安全环保的防污功能添加剂。
关键词:  纳米TiO2  FEVE氟碳树脂  生物附着  防污  水云藻
DOI：
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基金项目:863计划（2009AA03Z510）； 国防基金项目（200812003）
Attachment Performance of Ectocarpus on Nano-TiO_2/FEVE Fluoro-carbon Coatings
QI Yu–hong，ZHANG Zhan–ping，LIU Hong
Department of Materials Science and Engineering, Dalian Maritime Univ, Dalian 116026
Abstract:
For developing new non–toxic antifouling paint, nano–TiO2/FEVE fluoro–carbon coatings were prepared with content of nano–TiO2 0.2%, 0.4%, 0.6%, 0.8%, 1%, 2%, 3%, and 4% respectively. The settlement tests of Ectocarpus (a macro–algae) on these coatings were investigated at 15±1℃ with a light-dark cycle of 12:12 hours. The chlorophyll a and fraction of Ectocarpus attached on coatings were estimated by using spectrophotometer, microscope and image processing. The results showe that the content of nano–TiO2 in paints influence evidently the settlement of Ectocarpus. The chlorophyll a and fraction of Ectocarpus attached on coatings presents the same correlation with the content of nano–TiO2. When the content of nano–TiO2 increases from 0.2% to 0.8%, the amount of Ectocarpus attached on coating decreases until lowest point. The amount of Ectocarpus attached on coating increases with increasing the content of nano–TiO2 from 0.8% to 2%. The amount of Ectocarpus attached on coating reduces again when the content of nano–TiO2 increase from 2% to 4%. The results indicate that nano–TiO2 may be a non–toxic and safe antifoulant for marine antifouling coatings.
Key words:  nano-TiO2  FEVE resin  antifouling coating  ectocarpus
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