SciELO - Scientific Electronic Library Online

 
vol.78 número170AN INTEGRATED REMEDIATION SYSTEM USING SYNTHETIC AND NATURAL ZEOLITES FOR TREATMENT OF WASTEWATER AND CONTAMINATED SEDIMENTSPRELIMINARY ANALYSIS OF BIOMASS POTENTIALLY USEFUL FOR PRODUCING BIODIESEL índice de autoresíndice de assuntospesquisa de artigos
Home Pagelista alfabética de periódicos  

Serviços Personalizados

Artigo

Indicadores

Links relacionados

  • Em processo de indexaçãoCitado por Google
  • Não possue artigos similaresSimilares em SciELO
  • Em processo de indexaçãoSimilares em Google

Compartilhar


DYNA

versão impressa ISSN 0012-7353

Resumo

JARAMILLO ISAZA, FRANKLIN; CASTANO, JUAN GUILLERMO  e  ECHEVERRIA ECHEVERRIA, FÉLIX. FIELD STUDY OF EXPERIMENTAL ANTIFOULING PAINT FORMULATIONS. Dyna rev.fac.nac.minas [online]. 2011, vol.78, n.170, pp.135-143. ISSN 0012-7353.

This work presents the results of field testing of several experimental antifouling paints, which were exposed for up to 471 days to natural sea water in the Caribbean. The testing site was selected in order to obtain very critical conditions; therefore, static panels were immersed in water considered as having an intense biological activity. Paints formulations are based in natural rosin as binder, and cuprous oxide as biocide. Three different plasticizers and binder/plasticizers ratios were employed, obtaining 22 different formulations, which were classified in three different groups according to their biocide leaching rate. Besides this, three commercial products were tested for comparison. Some of the experimental formulations, including paints with low biocide release rate, show as good or better performance than the commercial ones. From the plasticizers employed (chlorinated rubber, vegetable oleic acid, and vegetable oil), it was found that the best results were obtained with formulations prepared with chlorinated rubber. It was also observed that physical chemical water properties might have an important effect on paint efficiency, particularly the presence of particulate matter in the water or important variations of water oxygen content.

Palavras-chave : Antifouling paint; biocide leaching rate; copper oxide; marine corrosion; rosin-based paints.

        · resumo em Espanhol     · texto em Inglês     · Inglês ( pdf )

 

Creative Commons License Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons