阅读说明：本技术 一种船用耐腐蚀油漆及其制备方法 (Marine corrosion-resistant paint and preparation method thereof ) 是由 卢灿 于 2019-09-16 设计创作，主要内容包括：本发明涉及船舶技术领域,尤其是一种船用耐腐蚀油漆及其制备方法,其质量份组成如下：邻苯二甲酸二乙酯10-20份、甘油5-10份、十二烷基磺酸钠3-8份、丙三醇20-30份、改性蒙脱石粉4-8份、钛白粉2-5份、改性环氧树脂10-20份、氧化铝3-8份、氯化橡胶6-12份、固化环氧沥青6-10份、防霉杀菌剂0.2-0.8份、抗氧化剂0.2-0.8份；本发明中的船用耐腐蚀油漆,原料为邻苯二甲酸二乙酯、甘油、十二烷基磺酸钠、丙三醇、改性蒙脱石粉、钛白粉、改性环氧树脂、氧化铝、氯化橡胶、固化环氧沥青、防霉杀菌剂和抗氧化剂,漆膜致密性高,耐腐蚀性强,喷涂均匀度高,关键是适合船体的各个位置,通用性强,而且,本发明中的船用耐腐蚀油漆,制备工艺简单,能耗低。(The invention relates to the technical field of ships, in particular to a marine corrosion-resistant paint and a preparation method thereof, wherein the marine corrosion-resistant paint comprises the following components in parts by mass: 10-20 parts of diethyl phthalate, 5-10 parts of glycerol, 3-8 parts of sodium dodecyl sulfate, 20-30 parts of glycerol, 4-8 parts of modified montmorillonite powder, 2-5 parts of titanium dioxide, 10-20 parts of modified epoxy resin, 3-8 parts of aluminum oxide, 6-12 parts of chlorinated rubber, 6-10 parts of cured epoxy asphalt, 0.2-0.8 part of mildew-proof bactericide and 0.2-0.8 part of antioxidant; the marine corrosion-resistant paint disclosed by the invention is prepared from diethyl phthalate, glycerol, sodium dodecyl sulfate, glycerol, modified montmorillonite powder, titanium dioxide, modified epoxy resin, alumina, chlorinated rubber, cured epoxy asphalt, a mildew-proof bactericide and an antioxidant, is high in compactness of a paint film, strong in corrosion resistance and high in spraying uniformity, is suitable for each position of a ship body in key, and is strong in universality.)

1. The marine corrosion-resistant paint is characterized in that: the composition comprises the following components in parts by mass: 10-20 parts of diethyl phthalate, 5-10 parts of glycerol, 3-8 parts of sodium dodecyl sulfate, 20-30 parts of glycerol, 4-8 parts of modified montmorillonite powder, 2-5 parts of titanium dioxide, 10-20 parts of modified epoxy resin, 3-8 parts of aluminum oxide, 6-12 parts of chlorinated rubber, 6-10 parts of cured epoxy asphalt, 0.2-0.8 part of mildew-proof bactericide and 0.2-0.8 part of antioxidant.

2. A marine corrosion resistant paint according to claim 1, wherein: the modified epoxy resin is polyurethane modified epoxy resin.

3. A marine corrosion resistant paint according to claim 1, wherein: the particle size of the modified montmorillonite powder is 400-600 meshes.

4. A marine corrosion resistant paint according to claim 1, wherein: the particle size of the alumina is 200-300 meshes.

5. A marine corrosion resistant paint according to claim 1, wherein: the solidified epoxy asphalt is a mixture of amine solidified epoxy asphalt and polyamide solidified epoxy asphalt, and the mass ratio of the amine solidified epoxy asphalt to the polyamide solidified epoxy asphalt is 1: 1.2-3.2.

6. A marine corrosion resistant paint according to claim 1, wherein: the particle size of the titanium dioxide is 600-800 meshes.

7. A marine corrosion resistant paint according to claim 1, wherein: the mildew-proof bactericide is one of mildew-proof bactericides C-128 and 2-chloroacrylonitrile dihydroxy benzophenone fenoxycarb.

8. A marine corrosion resistant paint according to claim 1, wherein: the antioxidant is a mixture of antioxidant 168, antioxidant 1010 and antioxidant 1076, and the mass ratio of the antioxidant to the antioxidant is 1:1-2: 1.2.

9. The method for preparing a marine corrosion resistant paint according to any one of claims 1 to 8, wherein: the preparation method comprises the following steps:

(1) under the condition that the stirring speed is 100-one-step 200r/min, adding diethyl phthalate, glycerol, sodium dodecyl sulfate, glycerol, the modified epoxy resin, the chlorinated rubber, the cured epoxy asphalt, the mildew-proof bactericide and the antioxidant into a stirring kettle, finishing the addition, and continuously stirring for 10min at the rotation speed of 300-one-step 500 r/min;

(2) adjusting the rotating speed to 100-.

Technical Field

The invention relates to the technical field of ships, in particular to marine corrosion-resistant paint and a preparation method thereof.

Background

At present, marine propellers are all cast by copper-nickel alloy or copper-manganese alloy, and in order to prolong the service life of a ship, paint is usually coated on different positions of the ship, and the ship shell, the deck and superstructure are as follows: the epoxy finish paint and the polyurethane finish paint are commonly adopted or the alkyd ship hull finish paint, the intermediate paint is epoxy micaceous iron intermediate paint, and the primer can be epoxy zinc-rich primer for a ring ship, epoxy zinc phosphate primer or alkyd primer. Water line part of outer ship: chlorinated rubber finish paint, epoxy micaceous iron intermediate paint, marine epoxy zinc-rich primer and the like. The ship bottom part: marine epoxy asphalt anti-fouling paints are commonly used for the bottom of ships because of the general considerations of corrosion protection and fouling resistance. At present, corrosion-resistant paint applicable to all the structures of the ship does not exist, and the difficulty is increased for paint spraying of all the positions of the ship.

Disclosure of Invention

The purpose of the invention is: overcomes the defects in the prior art, and provides the marine corrosion-resistant paint with wide application range and good corrosion resistance effect and the preparation method thereof.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the marine corrosion-resistant paint comprises the following components in parts by mass: 10-20 parts of diethyl phthalate, 5-10 parts of glycerol, 3-8 parts of sodium dodecyl sulfate, 20-30 parts of glycerol, 4-8 parts of modified montmorillonite powder, 2-5 parts of titanium dioxide, 10-20 parts of modified epoxy resin, 3-8 parts of aluminum oxide, 6-12 parts of chlorinated rubber, 6-10 parts of cured epoxy asphalt, 0.2-0.8 part of mildew-proof bactericide and 0.2-0.8 part of antioxidant.

Further, the modified epoxy resin is polyurethane modified epoxy resin.

Further, the particle size of the modified montmorillonite powder is 400-600 meshes.

Further, the particle size of the alumina is 200-300 meshes.

Furthermore, the solidified epoxy asphalt is a mixture of amine solidified epoxy asphalt and polyamide solidified epoxy asphalt, and the mass ratio of the amine solidified epoxy asphalt to the polyamide solidified epoxy asphalt is 1: 1.2-3.2.

Further, the particle size of the titanium dioxide is 600-800 meshes.

Further, the mildew-proof bactericide is one of mildew-proof bactericides C-128 and 2-chloroacrylonitrile dihydroxy benzophenone fenoxycarb.

Further, the antioxidant is a mixture of an antioxidant 168, an antioxidant 1010 and an antioxidant 1076, and the mass ratio of the antioxidant to the antioxidant is 1:1-2: 1.2.

A preparation method of marine corrosion-resistant paint comprises the following steps:

(1) under the condition that the stirring speed is 100-one-step 200r/min, adding diethyl phthalate, glycerol, sodium dodecyl sulfate, glycerol, the modified epoxy resin, the chlorinated rubber, the cured epoxy asphalt, the mildew-proof bactericide and the antioxidant into a stirring kettle, finishing the addition, and continuously stirring for 10min at the rotation speed of 300-one-step 500 r/min;

(2) adjusting the rotating speed to 100-.

The technical scheme adopted by the invention has the beneficial effects that:

the marine corrosion-resistant paint disclosed by the invention is prepared from diethyl phthalate, glycerol, sodium dodecyl sulfate, glycerol, modified montmorillonite powder, titanium dioxide, modified epoxy resin, alumina, chlorinated rubber, cured epoxy asphalt, a mildew-proof bactericide and an antioxidant, is high in compactness of a paint film, strong in corrosion resistance and high in spraying uniformity, is suitable for each position of a ship body in key, and is strong in universality.

Detailed Description

The present invention will now be described in further detail with reference to specific embodiments.

Example 1

The marine corrosion-resistant paint comprises the following components in parts by mass: 10 parts of diethyl phthalate, 5 parts of glycerol, 3 parts of sodium dodecyl sulfate, 20 parts of glycerol, 4 parts of modified montmorillonite powder, 2 parts of titanium dioxide, 10 parts of modified epoxy resin, 3 parts of aluminum oxide, 6 parts of chlorinated rubber, 6 parts of cured epoxy asphalt, 0.2 part of mildew-proof bactericide and 0.2 part of antioxidant.

Wherein the modified epoxy resin is polyurethane modified epoxy resin.

Wherein the particle size of the modified montmorillonite powder is 400 meshes.

Wherein the particle size of the alumina is 200 meshes.

Wherein the solidified epoxy asphalt is a mixture of amine solidified epoxy asphalt and polyamide solidified epoxy asphalt with the mass ratio of 1: 1.2.

Wherein the particle size of the titanium dioxide is 600 meshes.

Wherein the mildew-proof bactericide is mildew-proof bactericide C-128.

Wherein the antioxidant is a mixture of antioxidant 168, antioxidant 1010 and antioxidant 1076, and the mass ratio of the antioxidant to the antioxidant is 1:1: 1.2.

The preparation method of the marine corrosion-resistant paint comprises the following steps:

(1) under the condition that the stirring speed is 100r/min, adding diethyl phthalate, glycerol, sodium dodecyl sulfate, glycerol, modified epoxy resin, chlorinated rubber, cured epoxy asphalt, a mildew-proof bactericide and an antioxidant into a stirring kettle, finishing the adding, and continuously stirring for 10min at the rotation speed of 300 r/min;

(2) adjusting the rotating speed to be 100r/min, adding the modified montmorillonite powder, the titanium dioxide and the alumina, adjusting the rotating speed to be 800r/min after the adding, and continuously stirring for 20min to obtain the marine corrosion-resistant paint for later use.

Example 2

The marine corrosion-resistant paint comprises the following components in parts by mass: 15 parts of diethyl phthalate, 8 parts of glycerol, 6 parts of sodium dodecyl sulfate, 25 parts of glycerol, 6 parts of modified montmorillonite powder, 4 parts of titanium dioxide, 15 parts of modified epoxy resin, 6 parts of aluminum oxide, 9 parts of chlorinated rubber, 8 parts of cured epoxy asphalt, 0.5 part of mildew-proof bactericide and 0.5 part of antioxidant.

Wherein the modified epoxy resin is polyurethane modified epoxy resin.

Wherein the particle size of the modified montmorillonite powder is 500 meshes.

Wherein the particle size of the alumina is 250 meshes.

Wherein the solidified epoxy asphalt is a mixture of amine solidified epoxy asphalt and polyamide solidified epoxy asphalt with the mass ratio of 1: 2.4.

Wherein the particle size of the titanium dioxide is 700 meshes.

Wherein the mildew-proof bactericide is mildew-proof bactericide C-128.

Wherein the antioxidant is a mixture of antioxidant 168, antioxidant 1010 and antioxidant 1076, and the mass ratio of the antioxidant to the antioxidant is 1:1.5: 1.2.

The preparation method of the marine corrosion-resistant paint comprises the following steps:

(1) under the condition that the stirring speed is 150r/min, adding diethyl phthalate, glycerol, sodium dodecyl sulfate, glycerol, modified epoxy resin, chlorinated rubber, cured epoxy asphalt, a mildew-proof bactericide and an antioxidant into a stirring kettle, finishing the adding, and continuously stirring for 10min at the rotation speed of 400 r/min;

(2) adjusting the rotating speed to 140r/min, adding the modified montmorillonite powder, the titanium dioxide and the alumina, adjusting the rotating speed to 700r/min after the adding, and continuously stirring for 20min to obtain the marine corrosion-resistant paint for later use.

Example 3

The marine corrosion-resistant paint comprises the following components in parts by mass: 20 parts of diethyl phthalate, 10 parts of glycerol, 8 parts of sodium dodecyl sulfate, 30 parts of glycerol, 8 parts of modified montmorillonite powder, 5 parts of titanium dioxide, 20 parts of modified epoxy resin, 8 parts of aluminum oxide, 12 parts of chlorinated rubber, 10 parts of cured epoxy asphalt, 0.8 part of mildew-proof bactericide and 0.8 part of antioxidant.

Wherein the modified epoxy resin is polyurethane modified epoxy resin.

Wherein the particle size of the modified montmorillonite powder is 600 meshes.

Wherein the particle size of the alumina is 300 meshes.

Wherein the solidified epoxy asphalt is a mixture of amine solidified epoxy asphalt and polyamide solidified epoxy asphalt with the mass ratio of 1: 3.2.

Wherein the particle size of the titanium dioxide is 800 meshes.

Wherein the mildew-proof bactericide is 2-chloroacrylonitrile dihydroxy benzophenone fenoxycarb.

Wherein the antioxidant is a mixture of antioxidant 168, antioxidant 1010 and antioxidant 1076, and the mass ratio of the antioxidant to the antioxidant is 1:2: 1.2.

The preparation method of the marine corrosion-resistant paint comprises the following steps:

(1) under the condition that the stirring speed is 200r/min, adding diethyl phthalate, glycerol, sodium dodecyl sulfate, glycerol, modified epoxy resin, chlorinated rubber, cured epoxy asphalt, a mildew-proof bactericide and an antioxidant into a stirring kettle, finishing the adding, and continuously stirring for 10min at the rotation speed of 500 r/min;

(2) adjusting the rotating speed to 200r/min, adding the modified montmorillonite powder, titanium dioxide and aluminum oxide, adjusting the rotating speed to 800r/min after the adding, and continuously stirring for 20min to obtain the marine corrosion-resistant paint for later use.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.