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Testing device and testing method for quickly determining self-polishing rate of resin

A technology of rapid measurement and testing device, applied in the direction of removing certain components, such as weighing, etc., can solve the problems of long test cycle and other problems, and achieve the effect of small error, time saving and efficiency improvement.

Inactive Publication Date: 2019-11-29
XIAMEN SUNRUI SHIP COATING
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem mentioned in the background technology that the polishing resin is directly prepared into a coating, and then the polishing rate of the coating is evaluated by the method of abrasion rate, there is a problem of long test period

Method used

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  • Testing device and testing method for quickly determining self-polishing rate of resin

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Experimental program
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Effect test

Embodiment

[0046] Step 1. Coat resin on the test sample board and dry it at room temperature for 10 days. The coating area S is 19cm. 2 , Measuring weight W 0 Is 6.224g;

[0047] Step 2: Put the test sample after the coating resin is dried into the water storage tank, turn on the test device, and soak;

[0048] Step 3. Take out after soaking for a period of time, calculate the soaking time t, and weigh the weight of the test sample after soaking, W n , N is the test period;

[0049] Step 4. Put the test sample into the water storage tank again for soaking, repeat the steps three times;

[0050] Step five, use the formula polishing rate v = (W n-1 -W n ) / (t×S), calculate the polishing rate value, and then average.

[0051] A total of 8 cycles were tested, and the test data for each cycle is shown in Table 1:

[0052] Table 1

[0053] W n (g)

[0054] Since the data of the first cycle may be caused by the incomplete volatilization of the solvent, the value is excluded, so the average value is calcu...

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Abstract

The invention provides a testing device and testing method for quickly determining a self-polishing rate of resin. The testing device comprises a storage tank and a fresh and salt water circulation system, wherein multiple layers of water reservoirs are arranged in the storage tank; a water inlet is formed in one side of each water reservoir and a water outlet is formed in the other side; the water inlets and the water outlets are connected with the fresh and salt water circulation system; the storage tank is provided with test panels; gaps are formed in each water reservoir; and the test panels are detachably fixed in the corresponding gaps. Through the testing device and the testing method provided by the invention, the polishing rate of the self-polished resin can be quickly evaluated,the testing method is shorter in time, smaller in error and higher in efficiency in comparison with a method of determining an abrasion rate after a paint is prepared, and a fast and efficient methodis provided for laboratory resin synthesis and resin screening.

Description

Technical field [0001] The invention relates to the field of chemical material detection, in particular to a test device and a test method for quickly determining the resin self-polishing rate. Background technique [0002] There are many types of marine antifouling coatings, but currently, the most widely used marine antifouling coatings and the best antifouling coatings are self-polishing antifouling coatings. The so-called self-polishing antifouling paint is because the film can be self-polished by washing with sea water. Among the components of self-polishing antifouling coatings, film-forming resin is the most critical technology. The polishing effect of self-polishing coatings is produced by ion exchange or hydrolysis of film-forming materials such as zinc acrylate, silicon acrylate, and main chain degradation resins. Therefore, the resin polishing rate plays a decisive role in the overall polishing rate of the coating. [0003] At present, the common practice in laboratori...

Claims

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Application Information

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IPC IPC(8): G01N5/04
CPCG01N5/04
Inventor 王胜龙李春光吴培发
Owner XIAMEN SUNRUI SHIP COATING
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