Abstract

A laboratory test with a flow-through system was designed and its applicability to testing antifouling paints of varying efficacies was investigated. Six different formulations of antifouling paints were prepared to have increased contents (0 to 40 wt%) of Cu₂O. The test plates were initially aged for 45 days by rotating them at a speed of 10 knots inside a cylinder drum. A bioassay was then conducted using the alga, Ectocarpus sp., as the test species. The new bioassay for screening antifouling paints under a flow-through system was successfully established using algae affixed on substrata. The correlation between the mean values of CIELAB parameters (L*, a* and b*), the total colour difference (Δ$\Delta$$\Delta$E*), and the cell survival rate of the algae was investigated. The paint performance estimated from the bioassay was confirmed using correlation patterns between colour parameters and the algal cell survival rate.

摘要

设计了使用流通系统的实验室测试，并研究了其在测试不同功效的防污涂料中的适用性。制备了六种不同配方的防污涂料，以增加Cu ₂ O含量（0至40重量%）。通过将测试板在滚筒内以10节的速度旋转，将测试板初始老化45天。然后使用藻类Ectocarpus sp. 作为测试物种进行生物测定。利用附着在基质上的藻类，成功建立了在流通系统下筛选防污涂料的新生物测定法。CIELAB参数平均值（L*、a*和b*）之间的相关性、总色差（Δ$\Delta$$\Delta$E *)，并研究了藻类的细胞存活率。使用颜色参数和藻类细胞存活率之间的相关模式确认了从生物测定中估计的涂料性能。