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首页> 外文期刊>Journal of coatings technology and research >'Quebracho' tannin derivative and boosters biocides for new antifouling formulations
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'Quebracho' tannin derivative and boosters biocides for new antifouling formulations

机译：“ Quebracho”单宁衍生物和新型生物防污剂助推剂

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摘要

The growth of fouling communities on ships' hulls causes economic losses due to increased fuel consumption and to the deterioration of the metallic substrate by corrosion. Antifouling paints are formulated to avoid the settlement of these organisms and may contain biocides as active compounds. The objective of this research was to evaluate the antifouling performance of paints formulated with a "quebracho" tannin derivative (zinc "tannate") and "boosters" (secondary biocides). The "boosters" used in this study were bismuth lactate, a zeolite exchanged with silver cations, and the same zeolite modified with silver chloride. Bioassays with "boosters" solutions were carried out employing Anemia persimilis. Soluble matrix antifouling paints were formulated and their action was assessed in a natural sea water environment. Results showed that the bismuth lactate resulted in a coating with almost triple service life of the antifouling paints with zinc "tannate." Paints formulated with the silver composites behaved slightly better than the control paint.
机译：船体上污垢群落的增长由于燃料消耗增加和金属底材因腐蚀而变质而造成经济损失。配制防污漆可避免这些生物沉降，并可能包含杀菌剂作为活性化合物。这项研究的目的是评估由“ quebracho”单宁衍生物（锌“ tannate”锌）和“ boosters”（二次杀菌剂）配制的涂料的防污性能。在这项研究中使用的“助推器”是乳酸铋，一种与银阳离子交换的沸石，以及用氯化银改性的相同沸石。使用柿子贫血进行具有“助推器”溶液的生物测定。配制了可溶性基质防污漆，并在天然海水环境中评估了它们的作用。结果表明，乳酸铋可以使含“鞣酸锌”的防污涂料的使用寿命延长近三倍。用银复合材料配制的涂料的性能略好于对照涂料。

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  • 来源
    《Journal of coatings technology and research》 |2012年第5期|p.551-559|共9页
  • 作者

    N. Bellotti; C. Deya; B. del Amo; R. Romagnoli;

  • 作者单位

    CIDEPINT - Centro de Investigation y Desarrollo en Tecnologia de Pinturas (CIC-CONICET), Calle 52 e/121 y 122, B1900AYB La Plata, Argentina;

    CIDEPINT - Centro de Investigation y Desarrollo en Tecnologia de Pinturas (CIC-CONICET), Calle 52 e/121 y 122, B1900AYB La Plata, Argentina;

    CIDEPINT - Centro de Investigation y Desarrollo en Tecnologia de Pinturas (CIC-CONICET), Calle 52 e/121 y 122, B1900AYB La Plata, Argentina;

    CIDEPINT - Centro de Investigation y Desarrollo en Tecnologia de Pinturas (CIC-CONICET), Calle 52 e/121 y 122, B1900AYB La Plata, Argentina;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    coatings; tannin; biocides; antifouling paints; composite materials;

    机译：涂料;单宁杀菌剂防污漆;复合材料;

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