CN114292571A - 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 anticorrosive paint which comprises the following components in percentage by mass (1-12): 1, wherein: the component A comprises the following raw materials in parts by mass: 20 parts of acrylic acid 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 mass: 10-100 parts of aliphatic amine curing agent and 0-90 parts of solvent. The reaction system of the ship anticorrosive coating prepared by the invention is a reaction system of various resins with different functional groups, and has both epoxy resin-amine reaction and hydroxyl condensation reaction, the two reactions form a polymer with a body structure, the reaction of a silicone intermediate enhances the anticorrosive performance of the coating, simultaneously eliminates the defect that bisphenol A epoxy resin is not resistant to sun exposure, realizes the excellent comprehensive performance of the coating, is suitable for being used as anticorrosive coatings for ships or commercial ships in parts of water, 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 anticorrosive coatings, and particularly relates to a ship anticorrosive coating and preparation and use methods thereof.
Background
At present, the coating used on the ship waterline is basically two products, namely a ship general epoxy primer and a ship general epoxy primer-acrylic polyurethane matching system, wherein the ship general epoxy primer is basically used at the upper part of the ship waterline, the thickness of the coating is generally 200-350 microns, and the ship general epoxy primer-acrylic polyurethane finish matching system is used at the parts needing sun exposure resistance, such as upper buildings and the like.
The design of the coating product is mainly based on that the ship needs to be returned to a ship factory for primary overhaul and recoating for about 3 years, so that the scheme can meet the use requirement of the ship for primary overhaul and recoating for about 3 years. However, with the development of technology and the change of the use requirements of ships, for example, due to the combat needs of ships, frequent maintenance can affect the attendance rate of the ships; therefore, ships of naval vessels require that the service life of the ship coating reaches 5 to 12 years; based on the requirements, the long-service-life bottom-surface integrated ship heavy-duty anticorrosive coating needs to be designed to replace the existing epoxy general primer and acrylic polyurethane finish, so that the coating can resist oil, pressure, abrasion, seawater, sun exposure and durability for a long time, is suitable for parts such as superstructure, cabin, side and deck of a ship on water, and avoids frequent recoating of the ship.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the ship heavy-duty anticorrosive paint which is resistant to oil, pressure, abrasion, seawater, sun exposure and durability for a long time, so as to meet the requirement that the service life reaches 5-12 years, and can be used as an anticorrosive paint for naval ships or commercial ships.
The technical scheme provided by the invention is as follows: a ship anticorrosive paint comprises the following components in percentage by mass (1-12): 1, A, B, wherein:
the component A comprises the following raw materials in parts by mass:
20 parts of acrylic acid 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, namely,
1-6 parts of an auxiliary agent;
the component B comprises the following raw materials in parts by mass:
10-100 parts of aliphatic amine curing agent,
0-90 parts of a solvent.
Further, the acrylic-modified linear epoxy resin includes synocure899BA 70.
Further, the silicone resin includes at least one of DOWCORNING3074 silicone intermediate and sekkaido 9611.
Further, the auxiliary agent comprises the following raw materials in parts by weight: 0-2 parts of defoaming agent, 0-2 parts of thickening agent, 0-2 parts of dispersing agent, 0-1 part of flatting agent and 0-2 parts of ultraviolet absorber;
the defoaming agent is at least one of BYK-A501, BYK-052N, BYK-054, BYK-306, BYK-066, BYK-A530, EFKA-2722 and basf 2012, and 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, and preferably at least one of TEGO450, BYK333 and BYK 358.
The dispersant 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 acalma CrayvallacMT and acalma CrayvallacUltra.
The ultraviolet light absorber is at least one of CIBA292 and CIBA 1130.
Further, the aliphatic amine-based curing agent includes at least one of Ancamine1618, dare chemical 1619, dare chemical 294, cadeland 2012, hus man 230, and dare chemical G4.
Further, the anti-corrosion pigment filler comprises at least one of titanium dioxide, feldspar powder, quartz powder, silicon carbide, talcum powder, barium sulfate and calcium carbonate; at least one of feldspar powder, quartz powder and talc powder is preferable.
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 preferred.
The invention also provides a preparation method of the ship anticorrosive paint, which is characterized by comprising the following steps of:
preparing a component A: firstly, stirring acrylic acid modified linear epoxy resin, organic silicon resin and a solvent for 5-10min at the rotating speed of 400-800 rpm, adding an auxiliary agent at the rotating speed of 500-800rpm after uniform mixing, then adding an anti-corrosion pigment and filler, increasing the rotating speed to 2500-3000rpm, dispersing at a high speed for 20-50 min, and filtering with a silk cloth net;
preparing a component B: mixing the aliphatic amine curing agent and the solvent, and stirring for 5-10min at the rotating speed of 400-600 rpm.
The invention also provides a using method of the ship anticorrosive paint, which is characterized in that the component A and the component B are uniformly mixed and then are mixed by 0.6-1.0kg/m2The dosage of the corrosion inhibitor is coated on the deck which is pretreated to form the corrosion-resistant coating.
Further, the thickness of the anti-corrosion coating is 250-400 μm.
The present invention also provides a ship characterized by using the anticorrosive paint for ships according to any one of claims 1 to 7.
Compared with the prior art, the reaction system of the ship anticorrosive coating prepared by the invention is different from the reaction system of conventional epoxy resin and amine and the reaction system of hydroxyl acrylic acid and polyurethane, and the reaction system of the ship anticorrosive coating is different from the reaction system of epoxy resin and amine and the reaction system of hydroxyl acrylic acid, and the reaction of the invention has both epoxy resin-amine reaction and hydroxyl condensation reaction.
The component A of the anticorrosive coating comprises acrylic acid modified linear epoxy resin, a silicone intermediate, anticorrosive pigment filler, a solvent and an auxiliary agent, the component B comprises a fatty amine curing agent with good weather resistance, wherein the acrylic acid modified linear epoxy resin reacts with the curing agent (epoxy resin-amine reaction), and the silicone intermediate also reacts with the curing agent (hydroxyl condensation reaction), so that a body-type structure polymer is formed by the two reactions, the corrosion resistance of the coating is enhanced by the reaction of the silicone intermediate, the defect that bisphenol A type epoxy resin cannot resist sun exposure is eliminated, the high adhesive force, flexibility, corrosion resistance, high adhesive force, high sealing performance, wear resistance, sun exposure resistance and durability of the coating are realized, the anticorrosive coating is suitable for serving as an anticorrosive coating for ships or commercial ships in water, and the service time of the anticorrosive coating can reach 5-12 years, the service life of the ship coating is prolonged.
Detailed Description
The technical solution of the present invention is further described with reference to the following specific embodiments.
Example 1
Preparing the ship anticorrosive paint:
preparation of component A: 25kg of synocure899BA70 epoxy resin, 11kg of DOWCORNING3074 silicone intermediate and 4kg of xylene solvent are added into a dispersion stirrer, 1.25kg of TEGO450 dispersant, 0.5kg of Pasteur 2012 antifoaming agent and 0.5kg of Acoma CrayvallacULTRA thickener are added at the rotating speed of 400rpm and stirred for 5min, and the mixture is uniformly mixed. Adding 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder as anti-corrosion pigment fillers at the rotating speed of 500rpm, dispersing at the high speed of 3000rpm for 35min, adding 0.5kg of TEGO450 leveling agent, 1.0kg of CIBA292 ultraviolet absorbent and 0.3kg of BYK-A530 defoaming agent at the rotating speed of 800rpm, and stirring for 20 min.
Preparation of the component B: stirring 40kg of HUSTMAND230 curing agent and 8kg of xylene solvent at 600rpm for 5min, and stirring.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after sand blasting treatment is carried out on the surface of the ship steel plate, the component A and the component B are mixed according to the proportion of 2: 1 (mass ratio), standing for 5min for defoaming, and spraying the coating onOn the deck, spraying is carried out in two ways, and the using amount is 0.6kg/m2Spraying one coating after each coating is dried for 8 hours to form an anticorrosive coating; after being cured for 7 days at normal temperature, the coating can be normally used.
Example 2
The preparation of the long-service-life bottom-surface integrated ship heavy-duty anticorrosive paint comprises the following steps:
preparation of component A: 18kg of synocure899BA70 epoxy resin, 18kg of a silicone intermediate of the Sihai chemical industry 9611 and 3kg of a butyl acetate solvent are added into a dispersion stirrer, 1.5kg of BYK163 dispersant, 0.3kg of BYK-054 defoaming agent and 1kg of an Achima CrayvallacMT thickening agent are added at the rotating speed of 400rpm and stirred for 5min, and the mixture is uniformly mixed. Adding 20kg of titanium dioxide and 25kg of talcum powder anti-corrosion pigment filler at the rotating speed of 500rpm, dispersing at the rotating speed of 2500rpm for 25min at a high speed, adding 0.3kg of BYK358 leveling agent, 1.5kg of CIBA1130 ultraviolet absorbent and 0.2kg of BYK-054 defoaming agent at the rotating speed of 500rpm, and stirring for 20 min.
Preparation of the component B: 20kg of Daghiran chemical 294 curing agent and 5kg of butyl acetate solvent are stirred for 6min at the rotation speed of 400rpm and then stirred evenly.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after sand blasting treatment is carried out on the surface of the ship steel plate, the component A and the component B are mixed according to the proportion of 5: 1 (mass ratio), standing for 6min for defoaming, spraying or roller-coating the coating on a deck, and spraying in three ways with the dosage of 1.0kg/m2Spraying one coating after each coating is dried for 8 hours to form an anticorrosive coating; after being cured for 7 days at normal temperature, the coating can be normally used.
Example 3
Preparing the ship anticorrosive paint:
preparation of component A: 15kg of sync 899BA70 epoxy resin, 21kg of DOWCORNING3074 silicone intermediate and 6kg of PMA solvent are added into a dispersion mixer, 1.0kg of AFCONA5585 dispersant, 0.2kg of BYK-A530 defoamer and 1.2kg of thickener are added at the rotating speed of 500rpm and stirred for 8min, and the mixture is uniformly mixed. Adding 15kg of titanium dioxide and 30kg of quartz powder anti-corrosion pigment filler at the rotating speed of 650rpm, dispersing at the high speed of 2800rpm for 30min, adding 0.1kg of BYK358 leveling agent, 0.5kg of CIBA292 ultraviolet absorbent and 0.5kg of defoaming agent at the rotating speed of 600rpm, and stirring for 20 min.
Preparation of the component B: stirring 20kg of Kadela 2012 curing agent and 6kg of PMA solvent at 400rpm for 6min, and stirring.
After sand blasting treatment is carried out on the surface of the ship steel plate, the component A and the component B are mixed according to the proportion of 8: 1 (mass ratio), standing for 7min for defoaming, spraying the coating on a deck in three ways, wherein the dosage is 0.8kg/m2Spraying one coating after each coating is dried for 8 hours to form an anticorrosive coating; after being cured for 7 days at normal temperature, the coating can be normally used.
Comparative example 1
Preparation of component A: adding 25kg of synocure899BA70 epoxy resin and 4kg of xylene solvent into a dispersion stirrer, adding 1.25kg of TEGO450 dispersant, 0.5kg of Pasfu 2012 antifoaming agent and 0.5kg of Acoma CrayvallacULTRA thickener at the rotating speed of 400rpm, stirring for 5min, and uniformly mixing. Adding 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder as anti-corrosion pigment fillers at the rotating speed of 500rpm, dispersing at the high speed of 3000rpm for 35min, adding 0.5kg of TEGO450 leveling agent, 1.0kg of CIBA292 ultraviolet absorbent and 0.3kg of BYK-A530 defoaming agent at the rotating speed of 800rpm, and stirring for 20 min.
Preparation of the component B: stirring 40kg of HUSTMAND230 curing agent and 8kg of xylene solvent at 600rpm for 5min, and stirring.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after sand blasting treatment is carried out on the surface of the ship steel plate, the component A and the component B are mixed according to the proportion of 2: 1 (mass ratio), standing for 5min for defoaming, spraying the coating on a deck in two ways with the dosage of 0.6kg/m2Spraying one coating after each coating is dried for 8 hours to form an anticorrosive coating; after being cured for 7 days at normal temperature, the coating can be normally used.
Comparative example 2
Preparation of component A: 11kg of DOWCORNING3074 silicone intermediate and 4kg of xylene solvent are added into a dispersion mixer, 1.25kg of TEGO450 dispersant, 0.5kg of defoamer of BASF 2012 and 0.5kg of thickener of Acoma CrayvallacULTRA are added at the rotating speed of 400rpm and stirred for 5min, and the mixture is uniformly mixed. Adding 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder as anti-corrosion pigment fillers at the rotating speed of 500rpm, dispersing at the high speed of 3000rpm for 35min, adding 0.5kg of TEGO450 leveling agent, 1.0kg of CIBA292 ultraviolet absorbent and 0.3kg of BYK-A530 defoaming agent at the rotating speed of 800rpm, and stirring for 20 min.
Preparation of the component B: stirring 40kg of HUSTMAND230 and 8kg of xylene solvent at 600rpm for 5min, and stirring.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after sand blasting treatment is carried out on the surface of the ship steel plate, the component A and the component B are mixed according to the proportion of 2: 1 (mass ratio), standing for 5min for defoaming, spraying the coating on a deck in two ways with the dosage of 0.6kg/m2Spraying one coating after each coating is dried for 8 hours to form an anticorrosive coating; after being cured for 7 days at normal temperature, the coating can be normally used.
Comparative example 3
Preparing the ship anticorrosive paint:
preparation of component A: 25kg of synocure899BA70 epoxy resin, 11kg of DOWCORNINGREN50 silicone intermediate and 4kg of xylene solvent are added into a dispersion stirrer, 1.25kg of TEGO450 dispersant, 0.5kg of Pasteur 2012 antifoaming agent and 0.5kg of Acoma CrayvallacULTRA thickener are added at the rotating speed of 400rpm and stirred for 5min, and the mixture is uniformly mixed. Adding 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder as anti-corrosion pigment fillers at the rotating speed of 500rpm, dispersing at the high speed of 3000rpm for 35min, adding 0.5kg of TEGO450 leveling agent, 1.0kg of CIBA292 ultraviolet absorbent and 0.3kg of BYK-A530 defoaming agent at the rotating speed of 800rpm, and stirring for 20 min.
Preparation of the component B: stirring 40kg of HUSTMAND230 and 8kg of xylene solvent at 600rpm for 5min, and stirring.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after sand blasting treatment is carried out on the surface of the ship steel plate, the component A and the component B are mixed according to the proportion of 2: 1 (mass ratio), standing for 5min for defoaming, spraying the coating on a deck, spraying in two ways with the dosage of 0.6kg/m2, and spraying a next coating after each coating is dried for 8 hours to form an anticorrosive coating; after being cured for 7 days at normal temperature, the coating can be normally used.
Comparative example 4
Preparing the ship anticorrosive paint:
preparation of component A: 25kg of trimethylolpropane triglycidyl ether, 11kg of DOWCORNING3074 silicone intermediate and 4kg of xylene solvent are added into a dispersion mixer, 1.25kg of TEGO450 dispersant, 0.5kg of defoamer Baschiff 2012 and 0.5kg of thickener Acoma CrayvallacULTRA are added at the rotating speed of 400rpm and are mixed for 5min, and the mixture is uniformly mixed. Adding 30kg of titanium dioxide, 15kg of feldspar powder and quartz powder as anti-corrosion pigment fillers at the rotating speed of 500rpm, dispersing at the high speed of 3000rpm for 35min, adding 0.5kg of TEGO450 leveling agent, 1.0kg of CIBA292 ultraviolet absorbent and 0.3kg of BYK-A530 defoaming agent at the rotating speed of 800rpm, and stirring for 20 min.
Preparation of the component B: stirring 40kg of HUSTMAND230 and 8kg of xylene solvent at 600rpm for 5min, and stirring.
The application method of the prepared ship anticorrosive paint comprises the following steps:
after sand blasting treatment is carried out on the surface of the ship steel plate, the component A and the component B are mixed according to the proportion of 2: 1 (mass ratio), standing for 5min for defoaming, spraying the coating on a deck, spraying in two ways with the dosage of 0.6kg/m2, and spraying a next coating after each coating is dried for 8 hours to form an anticorrosive coating; after being cured for 7 days at normal temperature, the coating can be normally used.
Paint films formed by the coatings prepared in examples 1-3 and comparative examples 1-4 are subjected to performance tests, and the test results are shown in Table 1;
TABLE 1
As can be seen from table 1, when the coating (comparative example 1) was prepared without adding the silicone resin, the properties of the final coating, such as aging resistance, salt spray resistance, abrasion resistance, and adhesion, were greatly reduced; the paint (comparative example 2) was prepared without adding the acrylic modified linear resin, and the aging resistance, salt spray resistance, seawater resistance, and other properties of the final paint were greatly reduced; when other types of organic silicon resins are used for preparing the coating (comparative example 3), the performances of wear resistance, salt mist resistance, seawater resistance and the like of the final coating are greatly reduced; when other types of linear epoxy resin are used for preparing the coating (comparative example 4), the performances of ageing resistance, salt spray resistance, adhesion and the like of the final coating are greatly reduced;
in general, the coating prepared by the preparation method provided by the invention can greatly improve the comprehensive performance of the coating, realize high adhesion, corrosion resistance, wear resistance, sun exposure resistance and durability of the coating, and effectively prolong the service life of the ship coating.
Claims (10)
1. The ship anticorrosive paint is characterized by comprising the following components in percentage by mass (1-12): 1, A, B, wherein:
the component A comprises the following raw materials in parts by mass:
20 parts of acrylic acid 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, namely,
1-6 parts of an auxiliary agent;
the component B comprises the following raw materials in parts by mass:
10-100 parts of aliphatic amine curing agent,
0-90 parts of a solvent.
2. The marine anticorrosive paint of claim 1, wherein the acrylic-modified linear epoxy resin comprises synocure899BA 70.
3. The marine anticorrosive coating of claim 1, wherein the silicone resin comprises at least one of DOWCORNING3074 silicone intermediate and sekkaido 9611.
4. The marine anticorrosive paint 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 thickening agent, 0-2 parts of dispersing agent, 0-1 part of flatting agent and 0-2 parts of ultraviolet absorber.
5. The marine anticorrosive paint of claim 1, wherein the aliphatic amine-based curing agent comprises at least one of Ancamine1618, Daisea chemical 1619, Daisea chemical 294, HUSTMAN D230, Cardelai 2012, and Daisea chemical G4.
6. The marine anticorrosive coating of claim 1, wherein the anticorrosive pigment and filler comprises at least one of titanium dioxide, feldspar powder, quartz powder, silicon carbide, talcum powder, barium sulfate and calcium carbonate.
7. The marine anticorrosive paint of claim 1, wherein the solvent comprises at least one of xylene, trimethylbenzene, butyl acetate, propylene glycol methyl ether acetate, and ethyl acetate.
8. The preparation method of the marine anticorrosive paint according to any one of claims 1 to 7, characterized by comprising the following steps:
preparing a component A: firstly, stirring acrylic acid modified linear epoxy resin, organic silicon resin and a solvent for 5-10min at the rotating speed of 400-800 rpm, adding an auxiliary agent at the rotating speed of 500-800rpm after uniform mixing, then adding an anti-corrosion pigment and filler, increasing the rotating speed to 2500-3000rpm, dispersing at a high speed for 20-50 min, and filtering with a silk cloth net;
preparing a component B: mixing the aliphatic amine curing agent and the solvent, and stirring for 5-10min at the rotating speed of 400-600 rpm.
9. The use method of the marine anticorrosive paint according to any one of claims 1 to 7, characterized in that the component A and the component B are first mixed uniformlyThen at a rate of 0.6-1.0kg/m2The dosage of the corrosion inhibitor is coated on the deck which is pretreated to form the corrosion-resistant coating.
10. A ship using the marine anticorrosive paint according to any one of claims 1 to 7.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114669457A (en) * | 2022-04-27 | 2022-06-28 | 广船国际有限公司 | Spraying method of porcelain-like finish paint |
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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 |
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| CN111269626A (en) * | 2020-02-28 | 2020-06-12 | 南京长江涂料有限公司 | Preparation method of epoxy acrylic polysiloxane self-cleaning coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101899257A (en) * | 2010-09-01 | 2010-12-01 | 北京虹霞正升涂料有限责任公司 | Heavy corrosion resistant, heat insulating and static conductive coating |
| 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 |
| CN110408296A (en) * | 2019-08-09 | 2019-11-05 | 江苏海晟涂料有限公司 | A kind of high solid content water marine anticorrosive paint and preparation method thereof |
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| CN114669457A (en) * | 2022-04-27 | 2022-06-28 | 广船国际有限公司 | Spraying method of porcelain-like finish paint |
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