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Antifouling paint for coating bottom of steel ship and preventing cracking

An anti-fouling paint and anti-cracking technology, applied in the field of coatings, can solve the problems of brittleness and unfriendly environment of anti-fouling paint, and achieve the effect of convenient painting and construction, not easy to fall off, and good crack resistance.

Active Publication Date: 2014-05-14
XIAMEN SUNRUI SHIP COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the above problems, the present invention provides an anti-fouling coating for painting the bottom of steel ships and having anti-cracking properties. Poisonous material, in line with national environmental protection requirements, antifouling period of one to three years, with good crack resistance, not easy to fall off, etc., can overcome the shortcomings of existing antifouling paints such as brittleness, unfriendly to the environment, etc., mainly used for steel Antifouling Treatment of Ship Bottom

Method used

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  • Antifouling paint for coating bottom of steel ship and preventing cracking
  • Antifouling paint for coating bottom of steel ship and preventing cracking
  • Antifouling paint for coating bottom of steel ship and preventing cracking

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0036] Example 1: Configure antifouling paint according to the table

[0037]

[0038] The above antifouling coatings are tested according to the national standard GB / T6822-2007 "Antifouling and antirust paint system for ship bottoms", and the crack resistance is tested according to the "sea water immersion low temperature drying test". The test results are shown in the table below.

[0039]

[0040]

[0041] Seawater immersion low-temperature drying test: soak the test sample coated with the above antifouling coating in 10°C seawater for 1 month, then put it in 0°C environment and dry it for 3 days, and then follow GB / T1766, 4.4, 4.7 An objective evaluation of the degree of cracking and spalling is specified and performed according to general criteria.

example 2

[0042] Example 2: Configure antifouling paint according to the table

[0043]

[0044] The above antifouling coatings are tested according to the national standard GB / T6822-2007 "Antifouling and antirust paint system for ship bottoms", and the crack resistance is tested according to the "sea water immersion low temperature drying test". The test results are shown in the table below.

[0045]

[0046]

[0047] See example 1 for seawater immersion low temperature drying test.

example 3

[0048] Example 3: Configure antifouling paint according to the table

[0049]

[0050] The above antifouling coatings are tested according to the national standard GB / T6822-2007 "Antifouling and antirust paint system for ship bottoms", and the crack resistance is tested according to the "sea water immersion low temperature drying test". The test results are shown in the table below.

[0051]

[0052]

[0053] See example 1 for seawater immersion low temperature drying test.

[0054] Show by above-mentioned each table parameter, antifouling paint of the present invention has following characteristics:

[0055] 1. Does not contain organic tin TBT and DDT poisonous materials banned internationally.

[0056] 2. It can be used on the bottom of steel ships, with 1 to 3 years of antifouling effect and low configuration cost.

[0057] 3. The antifouling coating overcomes physical defects such as cracking and falling off, and has excellent physical and mechanical properties....

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PUM

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Abstract

The invention discloses an antifouling paint for coating the bottom of a steel ship and preventing cracking, which is prepared from the following components in parts by weight: 10-25 parts of chloro-ether resin, 15-25 parts of epoxy-ester resin, 10-20 parts of rosin, 5-10 parts of pigment, 20-50 parts of antifouling agent, 1-3 parts of auxiliaries and 5-20 parts of mixed solvent, wherein the chloro-ether resin contains chloroethylene and isobutyl vinyl ether; the epoxy-ester resin contains fatty acid and bisphenol A epoxy resin; the antifouling agent contains cuprous oxide and thiram algicide; the auxiliaries include a wetting dispersant and an antifoaming agent; the mixed solvent contains xylene and 200# coke solvent. Without internally-forbidden toxic materials, the antifouling paint meets the state environmental protection requirements, and the antifouling period reaches 1-3 years; the antifouling paint has the characteristics of good anti-cracking property, rare falling and the like, can overcome the shortcomings that the existing antifouling paint easily gets crispy, is not environment-friendly and the like, and is mainly applied to the antifouling treatment of the bottom of a steel ship.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to an anti-cracking antifouling coating used for painting the bottom of steel ships. Background technique [0002] During ocean navigation, a large amount of marine biofouling will adhere to the bottom of the ship, and the attachment of marine organisms will increase the frictional resistance of the ship to seawater, resulting in increased fuel consumption and reduced speed. According to statistics, half of the annual fuel cost is spent on compensating for the deceleration caused by the failure of the antifouling paint. If a 10,000-ton ocean-going cargo ship has 10% of the bottom of the ship with marine organisms, it can cause a loss of 1 million US dollars. [0003] Antifouling paint for ships is a special coating that inhibits and prevents the attachment and growth of marine organisms on the ship by initially releasing active ingredients such as antifouling agents into seawater a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/06C09D163/02C09D193/04C09D5/16
Inventor 黄杰彭毛来方大庆
Owner XIAMEN SUNRUI SHIP COATING
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