CN102212303A - Preparation of room-temperature underwater solvent-free epoxy heavy sizing composite heavy-duty anticorrosive paint - Google Patents
Preparation of room-temperature underwater solvent-free epoxy heavy sizing composite heavy-duty anticorrosive paint Download PDFInfo
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- CN102212303A CN102212303A CN201110045272XA CN201110045272A CN102212303A CN 102212303 A CN102212303 A CN 102212303A CN 201110045272X A CN201110045272X A CN 201110045272XA CN 201110045272 A CN201110045272 A CN 201110045272A CN 102212303 A CN102212303 A CN 102212303A
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Abstract
The invention relates to the field of paint, in particular relates to room-temperature underwater solvent-free epoxy heavy sizing composite heavy-duty anticorrosive paint and a preparation method thereof. The room-temperature underwater solvent-free epoxy heavy sizing composite heavy-duty paint is prepared by mixing two components A and B, wherein the weight part ratio of component A to component B is 4:1; the component A is epoxy resin modified base liquid with auxiliaries such as anticorrosive pigment, a filling material, a deforming agent, a flatting agent, a dispersing agent and the like; and the component B is a 1085 T full-underwater epoxy curing agent purchased in a market. According to the invention, the paint can be used so as to solve the problem that the bonding force of the common underwater anticorrosive paint is reduced by above 50% at the dry environment and a coating is easy to fall out, and anticorrosive capability is poor; and the paint in the invention has the characteristics of good underwater anticorrosive capability, strong adhesive force, large impact-resisting strength, good flexibility and the like.
Description
Technical field
The present invention relates to paint field, be specifically related to heavy-duty coating and preparation method thereof under a kind of normal-temperature water.
Background technology
Along with constant development of economy, process is more and more under water, the continuous development of marine oil, port and pier, hydropower station and shipping industry, engineerings such as dyke, reservoir, sluice, underwater pipeline, and mine, tunnel, bathing pool, hot spring, swimming pool, tank, aqua storage tank, underground storehouse etc. are moist local, all need curable coating in the water.In view of the above, develop a kind of environment-friendly type, can in water, have great importance by the heavy-duty coating of application.
The eighties, all coating manufacture and the exploitations in being devoted to the water of practicability of each state.It is reported that Britain international standard does not have the underwater engineering rust proof paint that the erosion paint company is released epoxy one tar oil type, it is not water funk, can be directly at subaqueous work.The chemical stability of coating, water tolerance, hydrophobicity and toughness are all good.The Resins, epoxy one polyamines curing system that SUMITOMO CHEMICAL chemical company releases, coating absorbs the water of substrate surface rapidly, and coating and ground are combined closely.Gradually the moisture content that absorbs is rejected to coatingsurface again in the solidification process, guarantees the integrity of coating system.
More original coating of " two component Wet-dry priming paint " life-span of domestic Wuhan Water Transporting Engineering College exploitation improves 3-5 doubly, can be at drying, humidity even subaqueous work.Sea rescue Salvage Bureau in Shanghai entrusts the subaqueous work protective system of Shanghai coating Research Institute to be tested and appraised March nineteen ninety.This coating has entered the practicability stage through on probation for many years, and its composition mainly is Resins, epoxy one a polyamide system.The key problem in technology of coating is auxiliary agent and specific construction equipment.In a word, coating material solidified at the early-stage in the domestic water, with real practicability one segment distance is arranged still.
At present, the matured product of underwater coating heavy corrosion protection coating is the protective system under water of 100 parts of solid contents of ES323 type of the excellent imperial company of Portugal production, and this coating is used in a lot of countries.The 9400 serial aqueous solidified epoxy coatings that the advanced paint company of U.S. AEGEON is produced not only can provide the erosion resistance protection for the equipment and the material of underwater operation, but also can be applied in the environment place of high humidity.Because the external product price is more expensive, is difficult in domestic big area and promotes.
So far, all kinds of coating of painting under water are base-material with Resins, epoxy all basically, are mixed with the coating of solvent-free or high solid.Have a variety of on the common epoxy curing agent market, but with the preparation of common epoxy curing agent epoxy coating, when running into the environment of water or humidity, with in the water or carbon dioxide in air reaction generate carbonate, cause tack coat to be isolated by carbonate, cause coating adhesion extremely to descend and easily come off, antiseptic power is poor.
Summary of the invention
At the defective of prior art, the invention provides the thick slurry composite heavy corrosion protection of a kind of normal temperature underwater solventless epoxy coating and preparation method thereof, this coating antiseptic property under water is good, strong adhesion, impact strength is big, and snappiness is good.
The thick slurry composite heavy corrosion protection of a kind of normal temperature underwater solventless epoxy of the present invention coating is made up of A and two kinds of components mixing of B, and component A is 4: 1 with the ratio of the weight part of B component;
Wherein the A component comprises following composition, and the weight part content of each composition is:
The trade mark is bisphenol A epoxide resin 40-45 part of E-44,
Thinner phenylcarbinol 2-6 part,
Toughner dibutylester 1-5 part,
Coupling agent 0.2-1.5 part,
The trade mark is dispersion agent 0.2-1.2 part of BYK P104S,
The trade mark is defoamer 0.1-0.35 part of BYKA530,
The trade mark is flow agent 0.05-0.35 part of YK 361N,
Filler 8-60 part, thixotropic agent 0.4-4 part,
Talcum powder 5-16 part, pigment 2-23 part;
Wherein the B component is: 1085T type solidifying agent (buying on the market).
The thick slurry composite heavy corrosion protection of normal temperature underwater solventless epoxy of the present invention coating comprises that also the trade mark of 0-8 weight part is the modified phenolic resins of DB-400.
The preparation method of the thick slurry composite heavy corrosion protection of a kind of normal temperature underwater solventless epoxy of the present invention coating specifically may further comprise the steps:
The first step, the preparation of A component: the trade mark is bisphenol A epoxide resin 40-45 part of E-44, thinner phenylcarbinol 2-6 part, toughner dibutylester 1-5 part, coupling agent 0.2-1.5 part, the trade mark is dispersion agent 0.2-1.2 part of BYK P104S, the trade mark is 5 parts of the defoamers of BYKA530, the trade mark is flow agent 0.05-0.35 part of YK 361N, pours into successively in the dispersed with stirring still, stirs, add thixotropic agent 0.4-4 part then, after stirring. add filler 8-60 part, talcum powder 5-16 part, pigment 2-23 part, high-speed stirring is ground then to disperseing;
In second step, 1085 type solidifying agent are stirred in encloses container;
The 3rd step, A, B component are mixed by 4: 1 weight part ratios, stir, promptly.
Epoxy resin E-44 resin of the present invention in order to increase the bonding force of filming with ground, can also add DB-400 modified resin simultaneously, to improve the antiseptic property of coating, can reduce the E44 resin viscosity, can participate in reaction again.
The 1085T epoxy hardener that the B component is selected among the present invention be a kind of buy from the market under water, low temperature, tailor-(made) coating epoxy curing agent fast, it is modification alicyclic ring amine curing agent, has excellent corrosion resisting performance, hydrophilic radical graft modification in the solidifying agent is the hydrophobic group, when using fully under water, " albefaction " phenomenon can not appear, bonding strength is compared conservation rate more than 90% when using under water with dry environment, under water, under humidity, the low temperature conditions such as (0 ℃), all the energy cured epoxy resin has good wetting property and toughness simultaneously.
Add phenylcarbinol among the present invention as thinner, have good mutual solubility and cured article not to overflow, improve the snappiness of filming after solidifying simultaneously, and can improve the sticking power of filming with ground with Resins, epoxy and solidifying agent.
The filler that the present invention adopts is the multiple of titanium-iron powder, sericite, barium sulfate, aluminium triphosphate, and wherein the adding of aluminium triphosphate is to improve the salt spray resistance ability of coating.
The pigment that the present invention adopts is one or both of titanium dioxide and iron mica.
Coupling agent of the present invention is that the trade mark is the silane coupling agent of ND-42 or KH560.
The dispersion agent that the present invention adopts is BYKP104S, and it has special interfacial activity, can help pigment wetting and decondensation, and it can be adsorbed on surface of pigments and prevent to return slightly, makes coating have the good preservation stability.
The defoamer that the present invention adopts is BYKA530, belongs to high viscosity, solvent-free system dedicated defoamer.
The flow agent that the present invention adopts is BYK361N, and it is little to have a consumption, and levelling is effective.
The thixotropic agent that the present invention adopts is one or both in organobentonite and the white carbon black.
Advantage of the present invention is: the thick slurry composite heavy corrosion protection of normal temperature underwater solventless epoxy provided by the invention coating has solved in amine curing agent supporting in the epoxy coating of normal temperature use and water and the water or the carbon dioxide in air reaction generates carbonate, cause bonded layer to be isolated and cause that sticking power extremely descends by carbonate, compare cohesive force with dry environment and descend more than 50%, coating this difficult problem of antiseptic power difference that easily comes off.Protective system of the present invention antiseptic property under water is good, strong adhesion, and impact strength is big, and snappiness is good.
Embodiment
For a better understanding of the present invention, below in conjunction with embodiment the present invention is done detailed description further, but the scope of protection of present invention is not limited to the scope that embodiment represents.
Embodiment 1:(whitewash metal construction is used)
Underwater construction protective system A component, calculate by weight:
The trade mark is 42 parts of the bisphenol A epoxide resins of E-44
The trade mark is 4.5 parts of the modified phenolic resinss of DB-400
4 parts of phenylcarbinols
2 parts of dibutylesters
0.5 part of ND-42
0.2 part of BYKP104S
530 0.15 parts of BYK A
0.05 part of BYK 361N
1.1 parts of organobentonites,
0.2 part of white carbon black
5 parts of titanium dioxides
8 parts of talcum powder
8 parts of aluminium triphosphates
4 parts of titanium-iron powders
10 parts of sericites
10 parts in barium sulfate
The first step, the preparation of A component:
With the trade mark is 40 parts of the bisphenol A epoxide resins of E-44, and the trade mark is 4.5 parts of the modified phenolic resinss of DB-400,4 parts of phenylcarbinols, dibutylester, 0.5 part of 2 parts of ND-42,0.15 part of BYK A530,0.05 part of BYK 361N, 0.2 part of BYK P104S, pour into successively in the dispersed with stirring still, stir, pour 5 parts of titanium dioxides successively into after stirring office is even, 1.1 parts of organobentonites, 0.2 part of white carbon black stirs again, after stirring. add 8 parts of talcum powder, 8 parts of aluminium triphosphates, 4 parts of titanium-iron powders, 10 parts of sericites, 10 parts in barium sulfate, high-speed stirring is disperseed, and grinds then, packing;
Second step, the preparation of B component:
The 1085T solidifying agent is stirred in encloses container, and packing gets final product.
The 3rd step, before using A, B component are mixed by 4: 1 weight part ratios, stir, promptly make the anticorrosion whitewash of the thick slurry of normal temperature underwater solventless epoxy.
The brushing performance data under water of the protective system of table 1 embodiment 1
Embodiment 2:(silver gray metal construction is used)
Underwater construction protective system A component, calculate by weight:
The trade mark is 40 parts of the bisphenol A epoxide resins of E-44
6 parts of phenylcarbinols
3 parts of dibutylesters
0.6 part of KH560
530 0.2 parts of BYK A
0.06 part of BYK 361N
0.3 part of BYK P104S
1.2 parts of organobentonites,
0.35 part of white carbon black
5.5 parts of titanium dioxides,
10 parts of talcum powder
14 parts of aluminium triphosphates
11 parts of iron micas (grey)
8 parts in barium sulfate
The preparation method of underwater solventless epoxy anti-corrosive coating is as follows:
The first step, the preparation of A component:
With the Resins, epoxy trade mark is 40 parts of the bisphenol A epoxide resins of E-44,6 parts of phenylcarbinols, 3 parts of dibutylesters, 0.6 part of KH560,0.2 part of BYK A530,0.06 part of BYK 361N, BYKP104S0.3 part is poured in the dispersed with stirring still successively, stirs, pour 5.5 parts of titanium dioxides into after stirring office is even, 1.2 parts of organobentonites, 0.35 part of white carbon black stirs again, after stirring. add 10 parts of talcum powder, 14 parts of aluminium triphosphates, 10 parts of iron micas (ash), 8 parts in barium sulfate, high-speed stirring is disperseed, and grinds then, packs;
Second step, the preparation of B component:
The 1085T solidifying agent is stirred in encloses container, and packing gets final product.
The 3rd step, before using A, B component are mixed by 4: 1 weight part ratios, stir, promptly make underwater solventless epoxy anti-corrosive coating.
The brushing performance data under water of the protective system of table 2 embodiment 2
Embodiment 3:(red-brown metal construction is used)
Underwater construction protective system A component, count by weight percentage:
The trade mark is 45 parts of the bisphenol A epoxide resins of E-44
6 parts of phenylcarbinols
1 part of dibutylester
1 part of ND-42
530 0.12 parts of BYK A
0.1 part of BYK 361N
0.5 part of BYK P104S
1.2 parts of organobentonites,
7 parts of titanium dioxides
7 parts of talcum powder
8 parts of aluminium triphosphates
13 parts of iron micas (redness)
12 parts in barium sulfate
The preparation method of underwater solventless epoxy anti-corrosive coating is as follows:
The first step, the preparation of A component:
With the Resins, epoxy trade mark is 40 parts of the bisphenol A epoxide resins of E-44,6 parts of phenylcarbinols, 1. parts of dibutylesters, 1 part of ND-42,0.12 part of BYKA530,0.1 part of BYK 361N, BYKP104S0.5 part is poured in the dispersed with stirring still successively, stirs, pour 7 parts of titanium dioxides into after stirring office is even, 1.2 parts of organobentonites stir again, after stirring. add 7 parts of talcum powder, 13 parts of aluminium triphosphates, 13 parts of iron micas (ash), 12 parts in barium sulfate, high-speed stirring is disperseed, and grinds then, packs;
Second step, the preparation of B component:
1085 solidifying agent are stirred in encloses container, and packing gets final product.
The 3rd step, before using A, B component are mixed by 4: 1 weight part ratios, stir, promptly make underwater solventless epoxy anti-corrosive coating.
The brushing performance data under water of the protective system of table 3 embodiment 3
Embodiment 4 (the whitewash concrete structure is used)
Underwater construction protective system A component, calculate by weight:
The trade mark is 45 parts of the bisphenol A epoxide resins of E-44
3 parts of phenylcarbinols
5 parts of dibutylesters
0.6 part of KH560
0.35 part of BYKP104S
530 0.3 parts of BYK A
0.2 part of BYK 361N
1 part of wilkinite (sodium base),
(798) 2 parts of white carbon blacks
8 parts of titanium dioxides
16 parts of talcum powder
2 parts of aluminium triphosphates
15 parts of sericites
16 parts in barium sulfate
The first step, the preparation of A component:
With the trade mark is 45 parts of the bisphenol A epoxide resins of E-44,3 parts of phenylcarbinols, 0.6 part of 5 parts of KH560 of dibutylester, 0.3 part of BYK A530,0.2 part of BYK 361N pours in the dispersed with stirring still successively, stirs, after stirring office is even, pour 8 parts of titanium dioxides successively into, 2 parts of white carbon blacks, 1 part of organobentonite, 0.2 part of white carbon black stirs again, after stirring. add 16 parts of talcum powder, 2 parts of aluminium triphosphates, 15 parts of sericites, 16 parts in barium sulfate, high-speed stirring is disperseed, and grinds then, packs;
Second step, the preparation of B component:
The 1085T solidifying agent is stirred in encloses container, and packing gets final product.
The 3rd step, before using A, B component are mixed by 4: 1 weight part ratios, stir, promptly make the anticorrosion whitewash of the thick slurry of normal temperature underwater solventless epoxy.
The brushing performance data under water of the protective system of table 4 embodiment 4
Embodiment 5:(grey paint concrete structure is used)
Underwater construction protective system A component, calculate by weight:
The trade mark is 42 parts of the bisphenol A epoxide resins of E-44
5 parts of phenylcarbinols
2 parts of dibutylesters
1.5 parts of ND-42
530 0.35 parts of BYK A
0.3 part of BYK 361N
1 part of BYK P104S
1.2 parts of organobentonites,
2 parts of white carbon blacks
2 parts of titanium dioxides
10 parts of talcum powder
10 parts of iron micas (grey)
19 parts in barium sulfate
The first step, the preparation of A component:
With the trade mark is 40 parts of the bisphenol A epoxide resins of E-44,5 parts of phenylcarbinols, dibutylester, 1.5 parts of 1 part of ND42,0.35 part of BYK A530,0.3 part of BYK 361N, 1 part of BYK P104S pours in the dispersed with stirring still successively, stirs, pour 6 parts of titanium dioxides into, 1.2 parts of organobentonites, 2 parts of white carbon blacks after stirring office is even, stir again, after stirring. add 10 parts of talcum powder, 15 parts of sericites, 14 parts in barium sulfate, high-speed stirring is disperseed, and grinds then, packs;
Second step, the preparation of B component:
1085 solidifying agent are stirred in encloses container, and packing gets final product.
The 3rd step, before using A, B component are mixed by 4: 1 weight part ratios, stir, promptly make the anticorrosion whitewash of the thick concrete grout of normal temperature underwater solventless epoxy.
The brushing performance data under water of the protective system of table 5 embodiment 5
Claims (10)
1. the thick slurry composite heavy corrosion protection of a normal temperature underwater solventless epoxy coating is characterized in that, is mixed by A and two kinds of components of B and forms, and component A is 4: 1 with the ratio of the weight part of B component;
Wherein the A component comprises following composition, and the weight part content of each composition is:
The trade mark is bisphenol A epoxide resin 40-45 part of E-44,
Thinner phenylcarbinol 2-6 part,
Toughner dibutylester 1-5 part,
Coupling agent 0.2-1.5 part,
The trade mark is dispersion agent 0.2-1.2 part of BYK P104S,
The trade mark is defoamer 0.1-0.35 part of BYKA530,
The trade mark is flow agent 0.05-0.35 part of YK 361N,
Filler 8-60 part, thixotropic agent 0.4-4 part,
Talcum powder 5-16 part, pigment 2-23 part;
Wherein the B component is: 1085T type solidifying agent.
2. protective system according to claim 1 is characterized in that, the trade mark that also comprises the 0-8 weight part is the modified phenolic resins of DB-400.
3. protective system according to claim 1 is characterized in that, described coupling agent is that the trade mark is the silane coupling agent of ND-42 or KH560.
4. protective system according to claim 1 is characterized in that, described filler is the multiple of titanium-iron powder, sericite, barium sulfate, aluminium triphosphate; Described pigment is one or both in titanium dioxide and the iron mica.
5. protective system according to claim 1 is characterized in that, described thixotropic agent is one or both in organobentonite and the white carbon black.
6. the described protective system of one of preparation claim 1-5 is characterized in that, specifically may further comprise the steps:
The first step, the preparation of A component: the trade mark is bisphenol A epoxide resin 40-45 part of E-44, thinner phenylcarbinol 2-6 part, toughner dibutylester 1-5 part, coupling agent 0.2-1.5 part, the trade mark is dispersion agent 0.2-1.2 part of BYKP104S, and the trade mark is 5 parts of the defoamers of BYKA530, and the trade mark is flow agent 0.05-0.35 part of YK361N, pour into successively in the dispersed with stirring still, stir, add thixotropic agent 0.4-4 part then, after stirring. add filler 8-60 part, talcum powder 5-16 part, pigment 2-23 part, high-speed stirring is ground then to disperseing;
In second step, 1085T type solidifying agent is stirred in encloses container;
The 3rd step, A, B component are mixed by 4: 1 weight part ratios, stir, promptly.
7. protective system according to claim 6 is characterized in that, described coupling agent is that the trade mark is the silane coupling agent of ND-42 or KH560.
8. protective system according to claim 6 is characterized in that, described filler is the several of titanium-iron powder, sericite, barium sulfate, aluminium triphosphate.
9. protective system according to claim 6 is characterized in that, described pigment is a kind of in titanium dioxide and the iron mica and two kinds.
10. protective system according to claim 6 is characterized in that, described thixotropic agent is one or both in organobentonite and the white carbon black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110045272XA CN102212303A (en) | 2011-02-24 | 2011-02-24 | Preparation of room-temperature underwater solvent-free epoxy heavy sizing composite heavy-duty anticorrosive paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110045272XA CN102212303A (en) | 2011-02-24 | 2011-02-24 | Preparation of room-temperature underwater solvent-free epoxy heavy sizing composite heavy-duty anticorrosive paint |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719173A (en) * | 2012-06-21 | 2012-10-10 | 北京国泰瑞华精藻硅特种材料有限公司 | Epoxy anti-corrosive paint used for underwater concrete |
| CN102911544A (en) * | 2012-11-20 | 2013-02-06 | 中国海洋石油总公司 | Modified epoxy solvent-free coating |
| CN103483970A (en) * | 2013-09-10 | 2014-01-01 | 常熟市方塔涂料化工有限公司 | Multifunctional epoxy primer and preparation method for same |
| CN103666201A (en) * | 2013-12-13 | 2014-03-26 | 天津科瑞达涂料化工有限公司 | Long-acting acid-base resistant solvent-free anticorrosive paint as well as preparation method and application thereof |
| CN105295654A (en) * | 2015-11-23 | 2016-02-03 | 江苏海晟涂料有限公司 | Non-solvent water-resistant special anticorrosive coating and preparation method thereof |
| CN107134297A (en) * | 2017-04-25 | 2017-09-05 | 扬中市众成管路配件有限公司 | A kind of insulation box for instrument of high antiseptic property |
| CN107502142A (en) * | 2017-09-19 | 2017-12-22 | 芜湖浩极铝模板科技有限公司 | A kind of aluminum alloy pattern plate surface coating and its preparation method and application |
| CN110172288A (en) * | 2019-05-20 | 2019-08-27 | 长沙普照生化科技有限公司 | A kind of underwater composite anti-corrosive coating and preparation method thereof |
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| US4891394A (en) * | 1986-07-30 | 1990-01-02 | Savin Roland R | Coating composition containing metallic pigments exhibiting excellent resistance to environmental attack |
| CN101619189A (en) * | 2009-07-16 | 2010-01-06 | 青岛红树林投资有限公司 | Underwater solventless epoxy anti-corrosive coating and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4891394A (en) * | 1986-07-30 | 1990-01-02 | Savin Roland R | Coating composition containing metallic pigments exhibiting excellent resistance to environmental attack |
| CN101619189A (en) * | 2009-07-16 | 2010-01-06 | 青岛红树林投资有限公司 | Underwater solventless epoxy anti-corrosive coating and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719173A (en) * | 2012-06-21 | 2012-10-10 | 北京国泰瑞华精藻硅特种材料有限公司 | Epoxy anti-corrosive paint used for underwater concrete |
| CN102911544A (en) * | 2012-11-20 | 2013-02-06 | 中国海洋石油总公司 | Modified epoxy solvent-free coating |
| CN103483970A (en) * | 2013-09-10 | 2014-01-01 | 常熟市方塔涂料化工有限公司 | Multifunctional epoxy primer and preparation method for same |
| CN103666201A (en) * | 2013-12-13 | 2014-03-26 | 天津科瑞达涂料化工有限公司 | Long-acting acid-base resistant solvent-free anticorrosive paint as well as preparation method and application thereof |
| CN103666201B (en) * | 2013-12-13 | 2016-05-18 | 天津科瑞达涂料化工有限公司 | Long-acting acid and alkali-resistance, solvent-free anticorrosive paint and preparation method thereof and application |
| CN105295654A (en) * | 2015-11-23 | 2016-02-03 | 江苏海晟涂料有限公司 | Non-solvent water-resistant special anticorrosive coating and preparation method thereof |
| CN107134297A (en) * | 2017-04-25 | 2017-09-05 | 扬中市众成管路配件有限公司 | A kind of insulation box for instrument of high antiseptic property |
| CN107502142A (en) * | 2017-09-19 | 2017-12-22 | 芜湖浩极铝模板科技有限公司 | A kind of aluminum alloy pattern plate surface coating and its preparation method and application |
| CN110172288A (en) * | 2019-05-20 | 2019-08-27 | 长沙普照生化科技有限公司 | A kind of underwater composite anti-corrosive coating and preparation method thereof |
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Application publication date: 20111012 |