Indoor hanging plate method for effectively evaluating resin antifouling performance

A technology of antifouling performance and resin, which is applied in the field of indoor hanging board evaluation of resin antifouling performance, can solve the problems of difficult quantification, long cycle, environmental impact, etc., and achieve the effect of easy operation and short experiment cycle

Inactive Publication Date: 2009-02-04
OCEAN UNIV OF CHINA
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Problems solved by technology

At present, for the newly developed resin, the method of real sea hanging board is usually used to evaluate its performance, but this traditional evaluation method is subject to many limitations, not only the cycle is long, it is difficult to quantify, and it is greatly affected by the environment, which is difficult in Reach the purpose of resin screening in a short time

Method used

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  • Indoor hanging plate method for effectively evaluating resin antifouling performance

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Embodiment Construction

[0006] 1. Cultivation of Nitzschia lunata algae liquid for experiment

[0007] After seawater is filtered through a glass sand core funnel, it is boiled and sterilized. After cooling, it is used to prepare a nutrient solution. 1.8%, ferric citrate 0.045%, sodium silicate 2%. The used Nitzschia lunata algae liquid was cultivated in an artificial climate box. Gently oscillate the sample bottle containing the liquid of Nitzschia crescentus back and forth, so that the algal cells are evenly dispersed. After diluting with different amounts of the above-mentioned nutrient solutions, use a hemocytometer to count the concentration of algae cells in each dilution, and measure the absorbance value of the algae cells in each dilution at the maximum absorption wavelength, so as to obtain a set of algae concentration-absorbance value data. And according to this set of data, the algae solution cultivated to the exponential growth phase is diluted to a certain concentration with nutrient ...

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Abstract

A room hanging board method for evaluating antifouling property of resin which is coating resin on blank board with width of 2.5-5cm, length of 7.5-15cm and height of 2.5-5cm in room; solidifying said coat on board then putting prepared board in artificial cultured algae liquid in index growth period, taking said board out at each interval 6-12hr.for observing algae number attached on different resin, evaluating antifouling proper of resin according to variation of algae cell concentration in algae liquid.

Description

technical field [0001] The invention relates to a method for evaluating indoor hanging boards of resin antifouling performance. Background technique [0002] At present, antifouling coatings are mainly composed of five components: resin, antifouling agent, auxiliary material, filler and solvent, among which resin and antifouling agent are the key components of antifouling coating. In essence, the development of antifouling coatings depends on the development of new resins and the development of new antifouling agents. Resins with good properties are one of the prerequisites for developing high-performance antifouling coatings. At present, for newly developed resins, the method of real sea hanging board is usually used to evaluate its performance, but this traditional evaluation method is subject to many limitations, not only the cycle is long, it is difficult to quantify, and it is greatly affected by the environment, which is difficult in The purpose of resin screening ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G01N21/31G01N33/48C12Q1/02
Inventor 于良民李昌诚姜晓辉张志明徐焕志
Owner OCEAN UNIV OF CHINA
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