氧化亚铜在海水中释放速率研究

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Abstract Cuprous oxide is an important antifouling agent in marine antifouling coats. The release rate of copper ions in coating affects the antifouling properties observably. Furthermore, the copper ions in seawater also influence the growth of marine organisms. So it is very important to control the release rate of copper ion strictly that can reduce the risk of marine organisms. In this study, the release rates of cuprous oxide in the new polyacrylate antifouling coatings were measured in artificial seawater. The effects of coat composition and seawater temperature on copper ion release rates were monitored. Experimental results showed that the mixed polyacrylate coat could release cuprous oxide quickly and stably, which exhibited excellent antifouling property. The dosage of inert pigment could affect the porosity of the coat. When the PVC values were in range of 0.136~0.154, the release rate of copper ion could be suitable. While the content of cuprous oxide exceeded 26.9%, the copper ion could be used for a long time in the coat. As seawater temperature increased, the release rate of copper ion could increase several times.

Key words： cuprous oxide release rate inert pigment temperature polyacrylate

Received: 20 October 2017

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	Articles by authors
	FU Ying
	ZHANG Xiao-dong
	SUN De-shuai
	LIU Xin

Cite this article:

FU Ying,ZHANG Xiao-dong,SUN De-shuai等. Release rate of cuprous oxide in seawater[J]. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(5): 1779-1784.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2018/V38/I5/1779

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