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Preparation method of ship bottom antirust paint

A technology of anti-rust paint and ship bottom, applied in anti-corrosion paint, rubber derivative paint, coating, etc., can solve the problems of poor stability and adhesion of ship bottom anti-rust paint, and achieve improved paint film adhesion and good anti-sinking effect, the effect of improving weather resistance

Inactive Publication Date: 2015-11-04
DRAGON FISH PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to provide a preparation method of ship bottom antirust paint, which can solve the problems of poor stability and adhesion of existing ship bottom antirust paint

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The fineness of the talc powder, precipitated barium sulfate and mica powder used in the ship bottom antirust paint of the present embodiment is 600 orders, and the particle size of aluminum powder is 800 orders. The preparation steps are as follows:

[0022] A. At 80°C, put chlorinated rubber, acrylic resin, chlorinated paraffin and solvent into a container and stir until completely dissolved;

[0023] B. Then add fillers, anti-rust pigments, wetting and dispersing agents, leveling agents, defoamers and anti-settling agents, and stir for 30 minutes at a speed of 1500r / min to obtain a mixed material;

[0024] C. Put the mixed material into a sand mill to grind and disperse it, and filter it after discharging to obtain a slurry with a fineness of 30 um.

[0025] The performance indicators of the ship bottom antirust paint in this embodiment are as follows: Drying time (25°C): surface dry for 2 hours, hard dry for 8 hours; coating film water resistance (30°C water, 20d), ...

Embodiment 2

[0027] The fineness of the talcum powder, precipitated barium sulfate and mica powder that the ship bottom antirust paint of the present embodiment adopts is 700 orders, and the particle size of aluminum powder is 1500 orders, and the preparation steps are as follows:

[0028] A. At 88°C, put chlorinated rubber, acrylic resin, chlorinated paraffin and solvent into a container and stir until completely dissolved;

[0029] B. Then add fillers, anti-rust pigments, wetting and dispersing agents, leveling agents, defoamers and anti-settling agents, and stir for 45 minutes at a speed of 1500r / min to obtain a mixed material;

[0030] C. Put the mixed material into a sand mill to grind and disperse it, and filter it after discharging to obtain a slurry with a fineness of 25um.

[0031] The performance indicators of the ship bottom antirust paint in this embodiment are as follows: Drying time (25°C): surface dry for 1.5 hours, hard dry for 7 hours; coating film water resistance (30°C w...

Embodiment 3

[0033] The fineness of the talcum powder, precipitated barium sulfate and mica powder that the ship bottom antirust paint of the present embodiment adopts is 800 orders, and the aluminum powder particle size is 2000 orders, and the preparation steps are as follows:

[0034] A. At 85°C, put chlorinated rubber, acrylic resin, chlorinated paraffin and solvent into a container and stir until completely dissolved;

[0035] B. Then add fillers, anti-rust pigments, wetting and dispersing agents, leveling agents, defoamers and anti-settling agents, and stir for 60 minutes at a speed of 1500r / min to obtain a mixed material;

[0036] C. Put the mixed material into a sand mill to grind and disperse it, and filter it after discharging to obtain a slurry with a fineness of 20 um.

[0037] The performance indicators of the ship bottom antirust paint in this embodiment are as follows: Drying time (25°C): surface dry for 1 hour, hard dry for 6 hours; coating film water resistance (30°C water,...

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Abstract

The invention discloses a preparation method of a ship bottom antirust paint, relating to the technical field of paint production. The method comprises the following steps: putting chlorinated rubber, an acrylic resin, chlorinated paraffin and a solvent into a container at 80-88 DEG C, and completely dissolving by stirring; adding a filler, an antirust pigment, a wetting and dispersing agent, a leveling agent, a defoaming agent and an anti-settling agent, and stirring at the rate of 1500 r / min for 30-60 minutes to obtain a mixture; and grinding and dispersing the mixture in a sand mill, discharging, and filtering to obtain the slurry with the fineness of 20-30 mu m. The ship paint for preventing steel structure from rust solves the problems of poor stability and low adhesive force in the existing ship bottom antirust paint.

Description

technical field [0001] The invention relates to the technical field of paint production, in particular to a method for preparing a ship paint used for preventing corrosion of steel structures. Background technique [0002] Ship coatings are used to protect ships, offshore drilling platforms and wharf steel piles from seawater or marine biological pollution or corrosion. Different parts of the ship have different requirements for coatings. The bottom of the ship is soaked in seawater for a long time, which is the most rusty part of the whole ship. For serious parts, the bottom coating generally includes anti-rust paint and surface anti-fouling paint. The anti-rust paint should have the following properties: excellent water resistance and rust resistance, and the paint film must have excellent adhesion on the steel surface. After prolonged seawater immersion and water impact, the paint film is not prone to bubbling and peeling off. The existing ship bottom antirust paint is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D115/02C09D133/00C09D5/10C09D7/12
Inventor 韦光南
Owner DRAGON FISH PAINT
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