CN210506175U

CN210506175U - Glass flake epoxy resin ship protective paint

Info

Publication number: CN210506175U
Application number: CN201921007381.0U
Authority: CN
Inventors: 潘强
Original assignee: Guangzhou Keybond Chemical Co ltd
Current assignee: Guangzhou Keybond Chemical Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-05-12
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to the technical field of coating, especially glass scale epoxy resin ship protective paint, it includes priming paint layer, glass scale layer, intermediate coat layer, anticorrosive coating, finish coat layer and antifouling layer, the utility model discloses through improving the bonding ability of glass scale layer and priming paint layer, make the rete of priming paint layer and glass scale layer after solidification form solid whole membrane, improve the wearability of lacquer layer; by arranging the anticorrosive layer, the nano kaolin, the nano aluminum oxide and the modified graphene oxide, the anticorrosive performance of the coating is greatly improved, and the ship can be effectively protected; through setting up antifouling layer, improve antifouling performance, make the outer wall of boats and ships bottom more smooth, can reduce the outer wall that marine microorganism adsorbs at the hull, cause the marine organism stained.

Description

Glass flake epoxy resin ship protective paint

Technical Field

The utility model belongs to the technical field of the coating technique and specifically relates to glass flake epoxy resin boats and ships protective paint.

Background

Most ships adopt metal casings, and metal is influenced by sea water temperature, sea water content, sea atmospheric temperature and sea atmospheric humidity in the sea environment, so that the corrosion degree is serious, the corrosion not only reduces the strength of a ship steel structure, shortens the use life of the ship, but also influences the use performance of the ship, and more importantly seriously pollutes sea resources. The marine seawater corrosion is mainly chlorine ion corrosion, and the marine chlorine ions can damage a metal oxide film protective layer to form pitting corrosion or pit corrosion, so that intergranular corrosion can occur to metal. According to statistics, about one tenth of steel products produced every year in the world are scrapped due to corrosion, and economic losses of industrially developed countries due to corrosion account for about 2-4% of the total value of national economy every year; the marine corrosion resistance has high requirements on the quality of the coating, the protection period of the marine corrosion resistance is generally required to be at least more than 10 years, the marine corrosion resistance belongs to the field of heavy corrosion resistance, in addition, as the ship runs on the sea for a long time, the outer wall of the bottom of the ship is washed by seawater for a long time, the marine corrosion resistance is easy to generate abrasion, a lot of marine microorganisms can be adhered to the outer wall of the bottom of the ship, the fouling of marine organisms is caused, the roughness of the surface of a ship body is increased, the navigational speed is reduced, and the fuel consumption is increased, therefore, the protective paint at the bottom of the ship needs to have super-strong wear resistance and antifouling property, but the existing ship protective paint cannot meet the.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a highly anticorrosive and wear-resisting glass scale epoxy boats and ships protective paint.

The technical scheme of the utility model is that: glass flake epoxy resin ship protective paint, its characterized in that: it includes priming paint layer, glass scale layer, intermediate coat layer, anticorrosive coating, finish paint layer and antifouling layer, the top surface coating on priming paint layer has glass scale layer, the top surface coating on glass scale layer has intermediate coat layer, the top surface coating on intermediate coat layer has the anticorrosive coating, the top surface coating on anticorrosive coating has finish paint layer, the top surface coating on finish paint layer has antifouling layer.

Further, the primer layer and the finish paint layer are epoxy resin layers.

Further, the material of the glass scale layer is solvent-free epoxy glass scale paint, specifically solvent-free epoxy glass scale paint disclosed in Chinese patent application No.: 201610312743.1, the glass flake modifier is used to modify the glass flakes, which improves the binding power between the glass flakes and the resin, so that the cured film layer forms a solid integral film, improves the wear resistance of the coating, protects the surface of the glass flakes from erosion, and improves the corrosion resistance.

Further, the intermediate paint layer is an epoxy mica layer.

Further, the anticorrosive layer is a mixture layer of nano kaolin, nano aluminum oxide and modified graphene oxide, and the modified graphene oxide is prepared by the following method: (1) dispersing graphene oxide in methanol, stirring and dispersing uniformly, and adding a catalyst to obtain a dispersion liquid; (2) replacing air in the reactor with carbon dioxide through gas replacement, stirring and reacting at the pressure of 2MPa and the temperature of 60 ℃, cooling to room temperature after the reaction is finished, slowly removing the gas, filtering to remove the catalyst and the solvent, and centrifugally washing to obtain the modified graphene oxide.

Further, the antifouling layer is made of a high-performance antifouling paint, specifically, a high-performance antifouling paint disclosed in chinese patent application no: 201610318625.1, the high-performance anti-fouling paint has high anti-corrosion performance and high anti-fouling performance by adding the graphene.

The utility model has the advantages that: the utility model improves the bonding capacity of the glass scale layer and the primer layer, so that the primer layer and the film layer after the glass scale layer is solidified form a solid integral film, and the wear resistance of the paint layer is improved; by arranging the anticorrosive layer, the nano kaolin, the nano aluminum oxide and the modified graphene oxide, the anticorrosive performance of the coating is greatly improved, and the ship can be effectively protected; through setting up antifouling layer, improve antifouling performance, make the outer wall of boats and ships bottom more smooth, can reduce the outer wall that marine microorganism adsorbs at the hull, cause the marine organism stained.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, primer layer; 2. a glass scale layer; 3. an intermediate paint layer; 4. an anticorrosive layer; 5. a finish paint layer; 6. and an antifouling layer.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in figure 1, the glass flake epoxy resin ship protective paint is characterized in that: it includes priming paint layer 1, glass scale layer 2, intermediate coat layer 3, anticorrosive coating 4, finish paint layer 5 and antifouling layer 6, priming paint layer 1's top surface coating has glass scale layer 2, glass scale layer 2's top surface coating has intermediate coat layer 3, intermediate coat layer 3's top surface coating has anticorrosive coating 4, anticorrosive coating 4's top surface coating has finish paint layer 5, finish paint layer 5's top surface coating has antifouling layer 6.

The primer layer 1 and the finish paint layer 5 are epoxy resin layers.

The glass scale layer 2 is made of solvent-free epoxy glass scale paint.

The intermediate paint layer 3 is an epoxy mica layer.

The anticorrosive layer 4 is a mixture layer of nano kaolin, nano aluminum oxide and modified graphene oxide.

The antifouling layer 6 is made of high-performance antifouling paint.

In the embodiment, the performance of the coating is detected through an adhesion test, an impact resistance test, a neutral salt spray resistance test, a salt water resistance sample and an antibacterial performance test.

1. Sample preparation: the ship protective paint of the present example was coated on a steel plate having a specification of 40mm by 20mm, the thickness of the paint layer was 0.5mm, and the coating was air-dried naturally, to prepare samples 1 to 3.

2. The test method comprises the following steps:

adhesion was determined according to the method in ISO 2409-1974;

impact resistance was measured according to the method in GB/T1732-93;

the neutral salt spray resistance is measured according to the method in GB/T1771-2007, and the method is based on that the paint film has no bubble, no rust and no falling;

the detection of the salt water resistance takes a sodium chloride solution with the solute mass fraction of 5% and the temperature of 25 ℃ as the detection environment, and the detection time is 48 hours;

the detection method of the antibacterial performance comprises the following steps: dropping 100 microliter of staphylococcus aureus on the surface of the coating, covering the coating with a 4cm multiplied by 4cm polyvinyl chloride film, culturing a sample in a constant-temperature incubator at 37 ℃ for 24 hours, washing the film and the surface of the coating with 8ml of NaCl solution with solute mass fraction of 3.5%, inoculating 200 microliter of washing liquid on a solid culture medium, uniformly coating, culturing in the constant-temperature incubator at 37 ℃ for 24 hours, counting, paralleling samples into three groups, taking the three groups of values as final results, and calculating the antibacterial rate.

3. The detection results are shown in the table I:

watch 1

Test sample	Adhesion force	Impact resistance/cm	Salt water resistance	Neutral salt fog resistance per hour	Antibacterial property%
						Sample No. 1	0	60	By passing	2000	92
Sample No. 2	0	＞60	By passing	2080	89
						Sample No. 3	0	60	By passing	2100	90

According to the test results in the table I, the ship protective paint has good adhesive force on the paint layers formed on the surfaces of the samples 1-3, and the paint layers are durable and not easy to fall off and break; the paint layer can withstand the washing of seawater for a long time, is not easy to deform and break; simultaneously, the paint can be saline and neutral salt spray resistant, the antibacterial performance is higher than 89%, and the paint layer has good anticorrosion performance.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. Glass flake epoxy resin ship protective paint, its characterized in that: it includes priming paint layer (1), glass scale layer (2), intermediate paint layer (3), anticorrosive coating (4), finish paint layer (5) and antifouling layer (6), the top surface coating of priming paint layer (1) has glass scale layer (2), the top surface coating of glass scale layer (2) has intermediate paint layer (3), the top surface coating of intermediate paint layer (3) has anticorrosive coating (4), the top surface coating of anticorrosive coating (4) has finish paint layer (5), the top surface coating of finish paint layer (5) has antifouling layer (6).

2. The glass flake epoxy resin marine protective paint according to claim 1, characterized in that: the primer layer (1) and the finish paint layer (5) are epoxy resin layers.

3. The glass flake epoxy resin marine protective paint according to claim 2, characterized in that: the glass scale layer (2) is made of solvent-free epoxy glass flake paint.

4. The glass flake epoxy resin marine protective paint according to claim 3, characterized in that: the intermediate paint layer (3) is an epoxy mica layer.

5. The glass flake epoxy resin marine protective paint according to claim 4, characterized in that: the antifouling layer (6) is made of high-performance antifouling paint.