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Antifouling coating composition for marine structures, coating preparation method and obtained coating

A technology for marine structures and coating compositions, which are applied in the fields of marine coating compositions and anti-fouling coating compositions to achieve the effects of being difficult to adhere, lasting anti-fouling effect and good anti-fouling effect

Active Publication Date: 2014-09-03
DALIAN MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a composition for marine antifouling coatings with good antifouling effect, excellent durability, safety and environmental protection, antifouling coatings and preparation thereof for the existing problems of low surface energy marine antifouling coatings method

Method used

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  • Antifouling coating composition for marine structures, coating preparation method and obtained coating
  • Antifouling coating composition for marine structures, coating preparation method and obtained coating
  • Antifouling coating composition for marine structures, coating preparation method and obtained coating

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preparation example Construction

[0032] [Preparation method of coating]

[0033] The preparation method of the coating of the present invention is a kind of preparation method for the antifouling coating of marine structure, it is characterized in that, described method comprises the step of using above-mentioned coating composition to prepare coating: the coating composition The fluorocarbon resin, fluorine-containing polymer modified micron tourmaline powder and fluorine-containing polymer modified nano-titanium dioxide powder are sequentially added to the solvent whose mass is 50-150% of the total mass of the components of the coating composition, and after uniform dispersion , adding 6-11 parts by mass of a cross-linking curing agent, after stirring, spraying the obtained mixture on the epoxy primer substrate cured for 3-6 hours, and obtaining a coating after natural curing.

[0034] The tourmaline powder and titanium dioxide powder modified by fluoropolymer have good compatibility with fluorocarbon resin...

Embodiment 1

[0064] Add 24g ZB-F100 type fluorocarbon resin, 40g fluoropolymer modified micron tourmaline powder and 20g fluoropolymer modified nano-titanium dioxide powder to a mixed solvent of 50g ethyl acetate and 50g xylene in sequence, and disperse in ultrasonic Disperse on the machine for 60 minutes, transfer to an ordinary disperser and disperse for 30 minutes, add 7g of Desmodur N75 cross-linking curing agent and stir for 10 minutes, spray the mixture 2 times on the steel plate substrate where the epoxy primer has been cured for 5 hours, and after natural curing for 24 hours, the coated Coated sample 1 with a layer thickness of 86 μm.

Embodiment 2

[0066]Add 25g ZB-F100 type fluorocarbon resin, 40g fluoropolymer modified micron tourmaline powder and 20g fluoropolymer modified nano-titanium dioxide powder to a mixed solvent of 50g ethyl acetate and 50g xylene in sequence, and disperse in ultrasonic Disperse on the machine for 60 minutes, transfer to an ordinary disperser and disperse for 30 minutes, add 8g of Desmodur N75 cross-linking curing agent and stir for 10 minutes, spray the mixture 2 times on the steel plate substrate where the epoxy primer has been cured for 5 hours, and after 24 hours of natural curing, the coated Coated sample 2 with a layer thickness of 88 μm.

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Abstract

The invention discloses an antifouling coating composition for marine structures, a coating preparation method using the composition, and an obtained coating. The composition comprises the following ingredients in parts by mass: 24-35 parts of fluorocarbon resin, 30-40 parts of fluorine-containing polymer modified micron tourmaline powder, and 20-30 parts of fluorine-containing polymer modified nano titanium dioxide powder. Due to a fluorocarbon resin based low-surface-energy foul-release antifouling mechanism and a tourmaline based electric antifouling mechanism of the obtained coating through preparation, marine organisms are hard to be adhered to the coating, and therefore an antifouling effect of the coating is good and lasting; and because no toxic agent is released, the coating is safe and environmental-friendly, and can be applied to the antifouling of marine structures such as ships.

Description

technical field [0001] The invention relates to an antifouling coating composition for marine structures, a coating preparation method and the obtained coating, in particular to a coating composition for ships to prevent marine organisms from adhering, using the coating The preparation method and coating of the composition belong to the technical field of marine antifouling. Background technique [0002] Marine organisms will increase the ship's weight and navigation resistance, resulting in a decrease in speed, energy consumption and CO 2 The increase in greenhouse gas emissions, and the blockage of sonar domes and seawater pipelines have greatly weakened the maneuverability of ships and the combat effectiveness of warships. Therefore, preventing marine organisms from attaching has always been an important task in marine transportation, naval defense construction and marine industry development. [0003] At present, the main measure of marine antifouling is the applicatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D127/12C09D5/16C09C3/10C09C1/36C09C1/28C08F220/14C08F220/28C08F220/22
Inventor 齐育红张占平徐久军
Owner DALIAN MARITIME UNIVERSITY