共查询到18条相似文献,搜索用时 93 毫秒
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防污涂层具有重要的应用价值,对人们的生产、生活产生了重要影响。传统的防污涂层多以灭藻剂或者有机锡等有毒物质为填料直接添加到涂层中,通过涂层中有毒物质的释放达到防污的目的,但同时对海洋水体造成严重污染。随着国内外对生态环境的日益重视与关注,涂层在防污的同时应该考虑到对水体生态的保护。近年来,科研人员致力于新型环保、长效防污涂层的开发。有些高性能环保防污涂层已经被实际应用,但整个行业尚处于起步阶段,高性能环保仍是防污涂层发展的重要方向。本文综述了防污涂层的核心材料及技术应用研究新进展。一方面,重点介绍了几种可降解环保防污涂层(包括聚氨酯可降解防污涂层、聚己内酯可降解防污涂层以及聚丙烯酸酯可降解防污涂层)的优缺点、发展状况及应用前景;另一方面,介绍了几种先进的环境友好型非降解防污涂层,包括自抛光防污涂层、超疏水防污涂层、超亲水防污涂层、亲疏水转换防污涂层、导电聚合物防污涂层以及仿生防污涂层,并对其适用条件、防污机理、性能及研究进展进行了详细阐述。同时归纳总结了多种防污涂层的制备方法、涂层特点及关键技术难点,分析了环保防污涂层面临的问题并展望其前景。 相似文献
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本文论述了自身具有防污能力的铜及铜合金的应用及防污机理。通过试验证明紫铜、磷铜、锡黄铜、铍青铜、镍铝青铜等具有良好的防污性能。如果在防污铜合金构件上施加阴极保护,则对铜及铜合金的防污能力产生较大的影响。 相似文献
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发展中的船底防污涂料 总被引:2,自引:0,他引:2
有机锡类船底防污涂料对海洋环境污染问题日趋严重,因此1992年日本明文规定禁止使用这类防污涂料,国际海事委员会已通过2003年1月2日以后禁止采用含锡船底涂料、2008年1月2日以后所有使用含锡涂料的船只禁止在海上运行的禁令。日本对有机锡替代产品的开发研究进展较快,90年代初,与有机锡涂料的防污性能基本相同,且具有自研磨性的水解型防污涂料的开发工作已进入实用化阶段,但是,有些性能还远不及有机锡涂料,因此,开发各种性能(包括经济性能在内)都优于有机锡涂料的替代品仍是当前主要课题。有机锡类防污涂料是… 相似文献
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含辣椒素防污涂料在海洋网箱网衣中应用研究 总被引:4,自引:0,他引:4
以辣椒素为海洋附着生物防污剂 ,开发出的防污期长、无毒环保且高效防污涂料用于海水养殖网衣材料中 ,经过浅海挂网试验 ,结果证明涂有辣椒素防污涂料的网衣材料具有极佳的防污效果。本文进一步讨论防污涂料的防污效果及影响防污效果的诸多因素 相似文献
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Marine biofouling is a major issue deteriorating the service performance and lifespan of marine infrastruc-tures.The development of a durable,long-term,and environment-friendly antifouling coating is therefore of significant importance but still a critical challenge in maritime engineering.Herein,we developed a Cu-Ti composite antifouling coating with micron-sized alternating laminated-structure of Cu/Ti by plasma spraying of mechanically mixed Cu/Ti powders.The coating was designed to enable controlled release of Cu ions through galvanic dissolution of Cu laminates from the Cu/Ti micro-galvanic cell in aqueous solution.Results showed that remarkable antifouling efficiency against bacterial survival and adhesion up to ~100 % was achieved for the Cu-Ti coating.Cu/Ti micro-galvanic cell was in-situ formed within Cu-Ti coating and responsible for its Cu ions release.The successive dissolution of Cu laminates resulted in the formation of micro-channels under Ti laminates near surface,which contributed to controlled slow Cu ions release and self-polishing effect.Thus,environment-friendly antifouling capability and ~200 %longer antifouling lifetime than that of the conventional organic antifouling coatings can be achieved for the Cu-Ti coating.On the other hand,as compared to the conventional organic antifouling coatings,the Cu-Ti composite coating presented much higher mechanical durability due to its strong adhesion strength,excellent mechanical properties,and two orders lower wear rate.The present laminated Cu-Ti coating exhibits combination of outstanding antifouling performance and high mechanical durability,which makes this coating very potentially candidates in marine antifouling application. 相似文献
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电解海水防污技术的发展及应用 总被引:9,自引:0,他引:9
概述了国外海水防污技术的发展及洛阳船舶材料研究所电解防污技术的研究水平,重点介绍了该技术在船舶、海滨电厂和沿海工厂的推广应用,并指出了其广阔的应用前景。 相似文献
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Diverse new antifouling agents are being used as replacements for the organotin compounds that are currently being banned. A comprehensive study on Korea's major seaports was conducted between 2006 and 2009 to assess the concentrations of butyltin compounds and new antifouling agents (chlorothalonil, dichlofluanid, Irgarol 1051). The constituents of the pollution due to antifouling agents in major seaports on the Korean peninsula are shifting from butyltin compounds to new antifouling agents. Also, the distribution of traditional butyltin compounds has centered on the east and west coasts, and the new antifouling agents have polluted the south and east coasts. With the results of this study, our lab was able to identify key locations within Korea where focused pollution control of antifouling agents is necessary. 相似文献
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以聚异丁烯为基料,Cu_2O为毒料,进行配方设计和筛选,研制成功77-4聚异丁烯长效防污漆。经实船试验,其性能良好,防污期效为3年左右。可用于船底及水下橡胶底村表面的防污。 相似文献
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以聚异丁烯为基料,Cu_2O为毒料,进行配方设计和筛选,研制成功77-4聚异丁烯长效防污漆。经实船试验,其性能良好,防污期效为3年左右。可用于船底及水下橡胶底村表面的防污。 相似文献