CN114292571B - Ship anticorrosive paint and preparation and use methods thereof - Google Patents
Ship anticorrosive paint and preparation and use methods thereof Download PDFInfo
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Abstract
The invention relates to a ship anti-corrosion coating, which comprises the following components in percentage by mass (1-12): 1, wherein: the component A comprises the following raw materials in parts by weight: 20 parts of acrylic modified linear epoxy resin, 10-30 parts of organic silicon resin, 20-60 parts of anti-corrosion pigment and filler, 3-10 parts of solvent and 1-6 parts of auxiliary agent; the component B comprises the following raw materials in parts by weight: 10-100 parts of fatty amine curing agent and 0-90 parts of solvent. The reaction system of the ship anti-corrosion coating prepared by the invention is a reaction system of various resin functional groups, not only has epoxy resin-amine reaction but also has hydroxyl condensation reaction, and the two reactions together form a polymer with a body structure, so that the reaction of a silicone intermediate enhances the anti-corrosion performance of the coating, simultaneously eliminates the defect that bisphenol A epoxy resin is not resistant to sun exposure, realizes excellent comprehensive performance of the coating, is suitable for being used as an anti-corrosion coating for ships or commercial ships in water parts, has the service life of 5-12 years, and effectively prolongs the service life of the ship coating.
Description
Technical Field
The invention belongs to the technical field of anti-corrosion paint, and particularly relates to a ship anti-corrosion paint and a preparation and use method thereof.
Background
At present, the paint used on the ship water line is basically two products, namely a ship universal epoxy primer and a ship universal epoxy primer-acrylic polyurethane matching system, wherein the ship universal epoxy primer is basically used at the position on the ship water line, the thickness of a coating is generally 200-350 microns, and the ship universal epoxy primer-acrylic polyurethane finishing paint matching system is used at the position, needing sun exposure resistance, of the superstructure and other parts.
The design of the paint product mainly depends on the fact that the ship needs to be returned to a shipyard for one time for overhaul and recoating for about 3 years, so that the scheme can meet the use requirement of the ship for overhaul and recoating for about 3 years. However, with the development of technology and the change of the use requirements of ships, such as the need of ships for combat, frequent maintenance can affect the attendance rate of ships; therefore, the ships of the ships require the service cycle of the ship coating to reach 5 years to 12 years; based on the requirements, the long-service-life primer-topcoat ship heavy-duty anticorrosive paint needs to be designed to replace the existing epoxy universal primer and acrylic polyurethane finish paint, so that the paint can resist oil, pressure, abrasion, long-term seawater, sun exposure and durability, is suitable for the parts of the superstructure, the cabin, the board, the deck and the like of the ship water part, and avoids frequent recoating of the ship.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the oil-resistant, compression-resistant, wear-resistant, long-term seawater-resistant, sun-resistant and durable ship heavy-duty anticorrosive paint which can meet the requirement that the service time reaches 5-12 years and can be used as the anticorrosive paint of ships or commercial ships.
The technical scheme provided by the invention is as follows: the ship anticorrosive paint comprises the following components in percentage by mass (1-12): a, B of 1, wherein:
the component A comprises the following raw materials in parts by weight:
20 parts of acrylic modified linear epoxy resin,
10-30 parts of organic silicon resin,
20-60 parts of anti-corrosion pigment and filler,
3-10 parts of a solvent,
1-6 parts of an auxiliary agent;
the component B comprises the following raw materials in parts by weight:
10-100 parts of fatty amine curing agent,
0-90 parts of solvent.
Further, the acrylic-modified linear epoxy resin includes synocure899BA70.
Further, the silicone resin includes at least one of dow fastening 3074 silicone intermediate and tetrakistrodon 9611.
Further, the auxiliary agent comprises the following raw materials in parts by weight: 0-2 parts of defoaming agent, 0-2 parts of thickener, 0-2 parts of dispersing agent, 0-1 part of leveling agent and 0-2 parts of ultraviolet light absorber;
the defoamer is at least one of BYK-A501, BYK-052N, BYK-054, BYK-306, BYK-066, BYK-A530, EFKA-2722 and Basf 2012, preferably at least one of BYK-A530, BYK306, BYK-054 and Basf 2012.
The leveling agent is at least one of TEGO450, BYK333, EFKA3777, BYK358 and Basf 3600, preferably at least one of TEGO450, BYK333 and BYK 358.
The dispersing agent is at least one of BYK110, BYK163, AFCONA5585, AFCONA116 and EFKA4010, and preferably at least one of BYK110, BYK163 and AFCONA 5585.
The thickener comprises at least one of Acomax CrayvallacMT and Acomax Crayvallacultra.
The ultraviolet light absorber is at least one of CIBA292 and CIBA 1130.
Further, the fatty amine curing agent comprises at least one of Ancamine1618, handai chemistry 1619, handai chemistry 294, kadeli 2012, HUSTMAND230, and Handai chemistry G4.
Further, the anti-corrosion pigment and filler comprises at least one of titanium white powder, feldspar powder, quartz powder, silicon carbide, talcum powder, barium sulfate and calcium carbonate; preferably at least one of feldspar powder, quartz powder and talcum powder.
Further, the solvent comprises at least one of xylene, trimethylbenzene, butyl acetate, PMA and ethyl acetate; at least one of xylene, butyl acetate and PMA (propylene glycol methyl ether acetate) is preferable.
The invention also provides a preparation method of the ship anti-corrosion coating, which is characterized by comprising the following steps of:
preparing a component A: firstly, stirring acrylic modified linear epoxy resin, organic silicon resin and solvent for 5-10min at the rotation speed of 400-600rpm, adding an auxiliary agent at the rotation speed of 500-800rpm after uniformly mixing, then adding an anti-corrosion pigment and filler, increasing the rotation speed to 2500-3000rpm, dispersing at a high speed for 20-50 min, and filtering by using a silk-cloth net;
and (3) preparing a component B: mixing fatty amine curing agent and solvent, stirring at 400-600rpm for 5-10min.
The invention also provides a using method of the ship anti-corrosive paint, which is characterized in that firstly, the component A and the component B are uniformly mixed, and then, the weight of the mixture is 0.6-1.0kg/m 2 Is coated on a pretreated deck to form a corrosion-resistant coating.
Further, the thickness of the anti-corrosion coating is 250-400 mu m.
The invention also provides a ship characterized in that a ship anti-corrosive paint as claimed in any one of claims 1 to 7 is used.
Compared with the prior art, the reaction system of the ship anti-corrosion coating prepared by the invention is a reaction system with different functional groups of various resins, is different from a conventional epoxy resin and amine reaction system, is also different from a hydroxy and polyurethane reaction system of hydroxy acrylic acid, and has the epoxy resin-amine reaction and the hydroxy condensation reaction in the reaction.
The component A of the anticorrosive paint comprises acrylic acid modified linear epoxy resin, silicone intermediate, anticorrosive pigment and filler, solvent and auxiliary agent, and the component B comprises fatty amine curing agent with good weather resistance, wherein the acrylic acid modified linear epoxy resin and the curing agent react (epoxy resin-amine reaction) and simultaneously the silicone intermediate and the curing agent react (hydroxyl condensation reaction) to jointly form a polymer with a body structure, the reaction of the silicone intermediate enhances the anticorrosive performance of the coating, simultaneously eliminates the weakness that bisphenol A epoxy resin is not resistant to sun exposure, realizes the high adhesive force, flexibility, corrosion resistance, high adhesive force, high sealing performance, wear resistance, sun exposure resistance and durability of the coating, and is suitable for being used as the anticorrosive paint for ships or parts of commercial ships on water, the service life of the anticorrosive paint can reach 5-12 years, and the service life of the ship coating is prolonged.
Detailed Description
The technical scheme of the invention is further described below with reference to specific embodiments.
Example 1
Preparation of ship anticorrosive paint:
and (3) preparation of the component A: 25kg of synocure899BA70 epoxy resin, 11kg of DOWCORNING3074 silicone intermediate, 4kg of xylene solvent were added to a dispersion mixer, 1.25kg of TEGO450 dispersant, 0.5kg of Pasteur 2012 defoamer, 0.5kg of Aldama CrayvallacULTRA thickener were added at 400rpm, and the mixture was stirred for 5min and mixed well. 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder anti-corrosion pigment and filler are added at a rotation speed of 500rpm, dispersed at a high speed of 3000rpm for 35min, 0.5kg of TEGO450 flatting agent, 1.0kg of CIBA292 ultraviolet light absorber and 0.3kg of BYK-A530 defoamer are added at a rotation speed of 800rpm, and stirring is carried out for 20 min.
And (3) preparation of a component B: 40kg of HUSTMAND230 curing agent and 8kg of xylene solvent are stirred at 600rpm for 5min and stirred uniformly.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after the surface of the ship steel plate is subjected to sand blasting, the component A and the component B are subjected to the following steps of: 1 (mass ratio), standing for 5min for defoaming, and spraying the coating on the deck, wherein the dosage is 0.6kg/m 2 Spraying a coating after each coating is dried for 8 hours to form an anti-corrosion coating; after curing for 7 days at normal temperature, the coating can be normally used.
Example 2
The preparation of the long-service-life primer-topcoat ship heavy-duty coating comprises the following steps:
and (3) preparation of the component A: 18kg of synocure899BA70 epoxy resin, 18kg of four-sea chemical 9611 silicone intermediate and 3kg of butyl acetate solvent are added into a dispersion mixer, 1.5kg of BYK163 dispersing agent, 0.3kg of BYK-054 defoamer and 1kg of Aldama CrayvallacMT thickener are added at 400rpm, and the mixture is stirred for 5min and uniformly mixed. 20kg of titanium dioxide, 25kg of talcum powder anti-corrosion pigment filler are added at a rotation speed of 500rpm, dispersed at a high speed of 2500rpm for 25min, 0.3kg of BYK358 leveling agent, 1.5kg of CIBA1130 ultraviolet light absorber and 0.2kg of BYK-054 defoamer are added at a rotation speed of 500rpm, and stirred for 20 min.
And (3) preparation of a component B: stirring 20kg of Dain chemical 294 curing agent and 5kg of butyl acetate solvent at 400rpm for 6min, and stirring.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after the surface of the ship steel plate is subjected to sand blasting, the component A and the component B are subjected to sand blasting according to a proportion of 5:1 (mass ratio), standing for 6min to remove foam, spraying or rolling the coating on deck, and spraying in three times with a dosage of 1.0kg/m 2 Spraying a coating after each coating is dried for 8 hours to form an anti-corrosion coating; after curing for 7 days at normal temperature, the coating can be normally used.
Example 3
Preparation of ship anticorrosive paint:
and (3) preparation of the component A: 15kg of synocure899BA70 epoxy resin, 21kg of DOWCORNING3074 silicone intermediate, 6kg of PMA solvent were added to a dispersion mixer, 1.0kg of AFCONA5585 dispersant, 0.2kg of BYK-A530 defoamer and 1.2kg of thickener were added at 500rpm and stirred for 8min, and mixed well. 15kg of titanium dioxide, 30kg of quartz powder anti-corrosion pigment and filler are added at a rotating speed of 650rpm, dispersed at a high speed of 2800rpm for 30min, 0.1kg of BYK358 leveling agent, 0.5kg of CIBA292 ultraviolet light absorber and 0.5kg of defoamer are added at a rotating speed of 600rpm, and stirring is carried out for 20 min.
And (3) preparation of a component B: stirring 20kg of the Cardela 2012 curing agent and 6kg of the PMA solvent for 6min at the rotation speed of 400rpm, and uniformly stirring.
After the surface of the ship steel plate is subjected to sand blasting, the component A and the component B are subjected to sand blasting according to the proportion of 8:1 (mass ratio), standing for 7min for defoaming, and spraying the coating on the deck in three spraying ways with the dosage of 0.8kg/m 2 Spraying a coating after each coating is dried for 8 hours to form an anti-corrosion coating; after curing for 7 days at normal temperature, the coating can be normally used.
Comparative example 1
And (3) preparation of the component A: 25kg of synocure899BA70 epoxy resin and 4kg of xylene solvent are added into a dispersion mixer, 1.25kg of TEGO450 dispersant, 0.5kg of Pasteur 2012 defoamer and 0.5kg of Aldama crayvallacULTRA thickener are added at 400rpm and mixed uniformly for 5 min. 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder anti-corrosion pigment and filler are added at a rotation speed of 500rpm, dispersed at a high speed of 3000rpm for 35min, 0.5kg of TEGO450 flatting agent, 1.0kg of CIBA292 ultraviolet light absorber and 0.3kg of BYK-A530 defoamer are added at a rotation speed of 800rpm, and stirring is carried out for 20 min.
And (3) preparation of a component B: 40kg of HUSTMAND230 curing agent and 8kg of xylene solvent are stirred at 600rpm for 5min and stirred uniformly.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after the surface of the ship steel plate is subjected to sand blasting, the component A and the component B are subjected to the following steps of: 1 (mass ratio), standing for 5min for defoaming, and spraying the coating on the deck, wherein the dosage is 0.6kg/m 2 Spraying a coating after each coating is dried for 8 hours to form an anti-corrosion coating; after curing for 7 days at normal temperature, the coating can be normally used.
Comparative example 2
And (3) preparation of the component A: 11kg of DOWCORNING3074 silicone intermediate, 4kg of xylene solvent are added into a dispersion mixer, 1.25kg of TEGO450 dispersant, 0.5kg of Basoff 2012 defoamer, and 0.5kg of Aldama crayvalalacto thickener are added into the dispersion mixer at 400rpm, and the mixture is stirred for 5min and then mixed uniformly. 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder anti-corrosion pigment and filler are added at a rotation speed of 500rpm, dispersed at a high speed of 3000rpm for 35min, 0.5kg of TEGO450 flatting agent, 1.0kg of CIBA292 ultraviolet light absorber and 0.3kg of BYK-A530 defoamer are added at a rotation speed of 800rpm, and stirring is carried out for 20 min.
And (3) preparation of a component B: 40kg of HUSTMAND230 and 8kg of xylene solvent are stirred at 600rpm for 5min and stirred uniformly.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after the surface of the ship steel plate is subjected to sand blasting, the component A and the component B are subjected to the following steps of: 1 (mass ratio), standing for 5min for defoaming, and spraying the coating on the deck, wherein the dosage is 0.6kg/m 2 Spraying a coating after each coating is dried for 8 hours to form an anti-corrosion coating; after curing for 7 days at normal temperature, the coating can be normally used.
Comparative example 3
Preparation of ship anticorrosive paint:
and (3) preparation of the component A: 25kg of synocure899BA70 epoxy resin, 11kg of DOWCORNINGREN50 silicone intermediate, 4kg of xylene solvent were added to a dispersion mixer, 1.25kg of TEGO450 dispersant, 0.5kg of Pasteur 2012 defoamer, and 0.5kg of Aldama CrayvallacULTRA thickener were added at 400rpm and stirred for 5min, and mixed well. 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder anti-corrosion pigment and filler are added at a rotation speed of 500rpm, dispersed at a high speed of 3000rpm for 35min, 0.5kg of TEGO450 flatting agent, 1.0kg of CIBA292 ultraviolet light absorber and 0.3kg of BYK-A530 defoamer are added at a rotation speed of 800rpm, and stirring is carried out for 20 min.
And (3) preparation of a component B: 40kg of HUSTMAND230 and 8kg of xylene solvent are stirred at 600rpm for 5min and stirred uniformly.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after the surface of the ship steel plate is subjected to sand blasting, the component A and the component B are subjected to the following steps of: 1 (mass ratio), fully and uniformly mixing, standing for 5min, defoaming, spraying the coating on a deck, and spraying the coating in two ways with the dosage of 0.6kg/m < 2 >, wherein each way of coating is dried for 8 hours and then spraying a layer of coating to form an anti-corrosion coating; after curing for 7 days at normal temperature, the coating can be normally used.
Comparative example 4
Preparation of ship anticorrosive paint:
and (3) preparation of the component A: 25kg of trimethylolpropane triglycidyl ether, 11kg of DOWCORNING3074 silicone intermediate, 4kg of xylene solvent were added to a dispersion mixer, 1.25kg of TEGO450 dispersant, 0.5kg of Pasteur 2012 defoamer, and 0.5kg of Aldama CrayvallacULTRA thickener were added at 400rpm, and the mixture was stirred for 5 minutes and then mixed well. 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder anti-corrosion pigment and filler are added at a rotation speed of 500rpm, dispersed at a high speed of 3000rpm for 35min, 0.5kg of TEGO450 flatting agent, 1.0kg of CIBA292 ultraviolet light absorber and 0.3kg of BYK-A530 defoamer are added at a rotation speed of 800rpm, and stirring is carried out for 20 min.
And (3) preparation of a component B: 40kg of HUSTMAND230 and 8kg of xylene solvent are stirred at 600rpm for 5min and stirred uniformly.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after the surface of the ship steel plate is subjected to sand blasting, the component A and the component B are subjected to the following steps of: 1 (mass ratio), fully and uniformly mixing, standing for 5min, defoaming, spraying the coating on a deck, and spraying the coating in two ways with the dosage of 0.6kg/m < 2 >, wherein each way of coating is dried for 8 hours and then spraying a layer of coating to form an anti-corrosion coating; after curing for 7 days at normal temperature, the coating can be normally used.
The paint films formed by the paints prepared in examples 1 to 3 and comparative examples 1 to 4 were subjected to performance test, and the test results are shown in Table 1;
TABLE 1
As can be seen from table 1, the properties of aging resistance, salt spray resistance, abrasion resistance, adhesion, etc. of the final coating layer were greatly reduced when the coating material (comparative example 1) was prepared without adding the silicone resin; the paint (comparative example 2) is prepared without adding the acrylic acid modified linear resin, and the ageing resistance, salt spray resistance, seawater resistance and other performances of the final coating are greatly reduced; the coating (comparative example 3) prepared by using other types of organic silicon resin can greatly reduce the performances of wear resistance, salt spray resistance, seawater resistance and the like of the final coating; the paint (comparative example 4) prepared by using other types of linear epoxy resin can greatly reduce the ageing resistance, salt spray resistance, adhesive force and other properties of the final coating;
in general, the coating prepared by the preparation method provided by the invention can greatly improve the comprehensive performance of the coating, realize the high adhesive force, corrosion resistance, wear resistance, sun exposure resistance and durability of the coating, and effectively prolong the service life of the ship coating.
Claims (8)
1. The ship anticorrosive paint is characterized by comprising the following components in percentage by mass (1-12): a, B of 1, wherein:
the component A comprises the following raw materials in parts by weight:
20 parts of acrylic modified linear epoxy resin,
10-30 parts of organic silicon resin,
20-60 parts of anti-corrosion pigment and filler,
3-10 parts of a solvent,
1-6 parts of an auxiliary agent;
the component B comprises the following raw materials in parts by weight:
10-100 parts of fatty amine curing agent,
0-90 parts of a solvent;
the acrylic modified linear epoxy resin comprises synocure899BA70;
the silicone resin includes at least one of dow fastening 3074 silicone intermediate and tetrakistrodon 9611.
2. The ship anti-corrosion coating according to claim 1, wherein the auxiliary agent comprises the following raw materials in parts by weight: 0-2 parts of defoaming agent, 0-2 parts of thickener, 0-2 parts of dispersing agent, 0-1 part of leveling agent and 0-2 parts of ultraviolet light absorber.
3. The marine anti-corrosive paint of claim 1, wherein said fatty amine curing agent comprises at least one of anamine 1618, han-dai chemistry 1619, han-dai chemistry 294, hus man D230, kadel 2012, and han-dai chemistry G4.
4. The marine anti-corrosive paint of claim 1, wherein said anti-corrosive pigment filler comprises at least one of titanium white, feldspar powder, quartz powder, silicon carbide, talc, barium sulfate, and calcium carbonate.
5. The marine anti-corrosive paint of claim 1, wherein said solvent comprises at least one of xylene, trimethylbenzene, butyl acetate, propylene glycol methyl ether acetate, and ethyl acetate.
6. A method for preparing a marine anti-corrosive paint according to any one of claims 1 to 5, comprising the steps of:
preparing a component A: firstly, stirring acrylic modified linear epoxy resin, organic silicon resin and solvent for 5-10min at the rotation speed of 400-600rpm, adding an auxiliary agent at the rotation speed of 500-800rpm after uniformly mixing, then adding an anti-corrosion pigment and filler, increasing the rotation speed to 2500-3000rpm, dispersing at a high speed for 20-50 min, and filtering by using a silk-cloth net;
and (3) preparing a component B: mixing fatty amine curing agent and solvent, stirring at 400-600rpm for 5-10min.
7. The method of using a marine anti-corrosive paint as claimed in any one of claims 1 to 5, wherein the component A and the component B are mixed uniformly and then mixed at a ratio of 0.6kg/m to 1.0kg/m 2 Is coated on a pretreated deck to form a corrosion-resistant coating.
8. A ship, characterized in that a ship anticorrosive paint according to any one of claims 1-5 is used.
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| CN102875741A (en) * | 2012-10-18 | 2013-01-16 | 海洋化工研究院有限公司 | Anticorrosive paint used for aluminum evaporator of refrigerator |
| CN110408296B (en) * | 2019-08-09 | 2021-01-26 | 江苏海晟涂料有限公司 | High-solid-content water-based ship anticorrosive paint and preparation method thereof |
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