CN102304317A - Solid electrolyte paint for protection of gas-phase cathode of pipeline in ocean platform atmospheric zone and preparing method thereof - Google Patents
Solid electrolyte paint for protection of gas-phase cathode of pipeline in ocean platform atmospheric zone and preparing method thereof Download PDFInfo
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- CN102304317A CN102304317A CN201110191712A CN201110191712A CN102304317A CN 102304317 A CN102304317 A CN 102304317A CN 201110191712 A CN201110191712 A CN 201110191712A CN 201110191712 A CN201110191712 A CN 201110191712A CN 102304317 A CN102304317 A CN 102304317A
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Abstract
The invention relates to solid electrolyte paint for protection of a gas-phase cathode of a pipeline in an ocean platform atmospheric zone, and the solid electrolyte paint is applied to pipeline anticorrosion. The solid electrolyte paint is characterized by comprising a liquid A and a liquid B, wherein the liquid A is prepared from an aqueous epoxy solidifying agent, deionized water, an efficient inorganic pigment and filler dispersing agent, a rheological auxiliary agent, a mineral oil based defoamer, an efficient latex paint dispersing agent, hydroxyethyl cellulose, a dibasic acid ester mixture, montmorillonite powder and beta-Al2O3 powder, and the liquid B is epoxy resin; and when in use, the liquid A and the liquid B are mixed and solidified to form a film. By using the solid electrolyte paint, the protection of the gas-phase cathode of the pipeline in the ocean platform atmospheric zone can be achieved; the solid electrolyte paint has good constructability and storage stability; and the film of the solid electrolyte paint has an ionic conduction function and has the advantages of good physical properties such as adhesion, impact toughness and the like, even film layer, simple production process and high cost performance and can be rapidly solidified.
Description
Technical field
The present invention relates to ocean platform atmospheric zone pipeline gas phase galvanic protection aseptic technic field, particularly a kind of solid electrolyte coating.
Technical background
From invention cathode protection technology in 1824 so far; Though this effective and economic anti-corrosion measure is always by people's widespread use; But for many years, domestic and international cathode protection technology can only be used for the electrolyte environment of external phases such as liquid electrolyte environment and edatope.Can hardware implement galvanic protection must possess three conditions: (1) is protected metal must be among the successive electrolyte environment; (2) protected metal in electrolyte environment, to be polarized easily; (3) protected metal, anode and electrolysis mass-energy to form the galvanic circle.For the hardware or the member that are directly exposed in the gaseous environment; And various storage tanks, pipeline to be positioned at the situation corrosive mediums such as area that supernatant position and gas-liquid two-phase have a common boundary be discontinuous phase dispersive high resistance thin liquid film; When utilizing traditional cathode protecting process; Impressed current can't reach by the traditional cathode protecting process of all surfaces of protection metal and also be difficult to reach the ideal effect, even can not realize galvanic protection.
Summary of the invention
The objective of the invention is: provide the galvanic protection of a kind of ocean platform atmospheric zone pipeline gas phase to use solid electrolyte coating, can realize the galvanic protection of ocean platform atmospheric zone pipeline gas phase.But its film have ion conducting function, good application property and stability in storage, physicalies such as good bonding force, impelling strength can be solidified rapidly, even film layer, production technique is simple, cost performance is high.
The technical scheme that the present invention adopts is:
One, the galvanic protection of ocean platform atmospheric zone pipeline gas phase comprises with the raw material of solid electrolyte coating:
1, aqueous epoxy curing agent (industrial goods), product grade: Aradur340
Zhang Xiumei Guo Shujing edits domestic and international coating resin kind handbook, the 503rd page of Chemical Industry Press.
Character: with water is dispersion medium, safe in utilization, convenient, can reduce the VOC content of coating greatly; With the paint film that makes after epoxy resin cooperates, sticking power is excellent, and fullness ratio is high, and snappiness is wear-resisting, can resist the corrosion of number of chemical medicine.
Purposes: be used for coating film forming base-material, the preparation aqueous epoxy coating.
Factory: U.S.'s Hensel steps advanced material ltd.
2, efficient inorganic color stuffing dispersion agent (industrial goods), product grade: Dispersant 900
Geng Xing edits modern aqueous paint additive handbook, Sinopec press, the 74th page.
Performance: efficient inorganic color stuffing dispersion agent can provide dispersed efficiently to the ionogen filler, makes dope viscosity stable.
Purposes: be used for the dispersion of emulsion system inorganic color stuffing.
Factory: (Shenzhen) extra large river Chemical Industry Science Co., Ltd
3, auxiliary rheological agents (industrial goods), product grade: Rheo WT-202
Geng Xing edits modern aqueous paint additive handbook, Sinopec press, the 232nd page.
Performance: auxiliary rheological agents can provide good thickening and excellent flow leveling.
Purposes: the auxiliary rheological agents that is used for aqueous coating system.
Factory: the modest chemical ltd of moral " the chemical ltd of moral modest (Shanghai) "
4, mineral oil based skimmer (industrial goods), product grade: BYK-033
Geng Xing edits modern aqueous paint additive handbook, Sinopec press, the 157th page.
Performance: this skimmer is the mixture of hydrophobic ingredient in paraffin base mineral oil, does not contain organosilicon, and excellent storage stability can be eliminated the bubble in coating system production and the application process.
Purposes: the froth breaking auxiliary agent that is used for aqueous coating system.
Factory: German Bi Ke chemistry
5, rubber-emulsion paint dispersant with high efficiency (industrial goods), product grade: AMP-95
Geng Xing edits modern aqueous paint additive handbook, Sinopec press, the 447th page.
Performance: have efficiently dispersed, the pH value of the hierarchy of control effectively, the performance of improvement thickening material.
Purposes: the multifunctional assistant that is used for aqueous coating system.
Factory: Dow Chemical Angus ANGUS company
6, Natvosol (industrial goods), product grade: Cellosize
Geng Xing edits modern aqueous paint additive handbook, Sinopec press, the 299th page.
Performance: non-ionic water-soluble polymer, in emulsion, play thickening, emulsification, dispersion, stable effect, have fabulous consistency.
Purposes: the thickening, the thixotroping auxiliary agent that are used for aqueous coating system.
Factory: Dow Chemical
7, divalent ester mixture (industrial goods), product grade: DBE-IB
Geng Xing edits modern aqueous paint additive handbook, Sinopec press, the 189th page.
Performance: DBE-IB is the mixture that three kinds of dibasic esters are formed, and is commonly called as nylon acid dimethyl ester, is by 15% Succinic Acid diisobutyl ester, the combination of 58% pentanedioic acid diisobutyl ester and three kinds of good environment solvents of 27% diisobutyl adipate.The adding of divalent ester mixture can improve the film forming properties of emulsion, is lowered into film temperature, improves the freeze-thaw stability of emulsion.
Purposes: be used for the film coalescence aid that aqueous coating system helps polymer film forming.
Factory: du pont company
8, montmorillonite powder (industrial goods), montmorillonite powder 400 orders, whiteness 80, density 60g/cm
3, AV 50mPa.s.Sanding Sci. & Tech. Co., Ltd., Zhejiang's production and sales.
9, β-Al
2O
3Powder (β type aluminum oxide powder) 120--325 order, Shanghai silicate institute
The montmorillonite powder, the β-Al that use
2O
3Powder is a solid electrolyte material, and smectite is the mineral that are made up of the superfine hydrous alumino silicates of particle, belongs to oblique system.Smectite has multiple stratum reticulare structure, is made up of two-layer silicon-oxy tetrahedron layer and the diaspore layer that is clipped in the middle.Smectite contains the water of three kinds of states usually, surperficial free water, interlayer planar water and lattice water.Smectite and β-Al
2O
3Having very strong ion-exchange capacity, is the key components of this solid electrolyte coating.
10, epoxy resin (industrial goods), product grade: CYD-128
Zhang Xiumei Guo Shujing edits domestic and international coating resin kind handbook, the 387th page of Chemical Industry Press.
Purposes: be used for coating film forming base-material, the preparation aqueous epoxy coating.
Factory: Ba Ling petrochemical complex ltd (Ba Ling petrochemical complex Ltd of China PetroChemical Corporation).
11, deionized water
Solid electrolyte coating is used in ocean platform atmospheric zone pipeline gas phase of the present invention galvanic protection; It is characterized in that: form by A liquid and B liquid; Wherein A liquid by weight, by 1 part aqueous epoxy curing agent, 1 part of deionized water, 0.0006～0.0021 part efficient inorganic color stuffing dispersion agent, 0.001～0.01 part auxiliary rheological agents, 0.001～0.01 part mineral oil based skimmer, 0.001～0.003 part rubber-emulsion paint dispersant with high efficiency, 0.001～0.01 part Natvosol, 0.012～0.12 part divalent ester mixture and 0.1～0.5 part montmorillonite powder, β-Al of 0.05～0.5 part
2O
3Powder; B liquid is epoxy resin; Ingredient groups during use becomes the A liquid of 1 weight part and the B liquid of 0.2～0.5 weight part mixes.
Two, the galvanic protection of ocean platform atmospheric zone pipeline gas phase is with the method for manufacture of solid electrolyte coating:
Major equipment: stainless steel charging basket, high speed dispersor, sand mill
Working method: in stainless charging basket; Add aqueous epoxy curing agent and deionized water; It is mixed, under condition of stirring, add efficient inorganic color stuffing dispersion agent, auxiliary rheological agents, mineral oil based skimmer, rubber-emulsion paint dispersant with high efficiency, Natvosol, divalent ester mixture, its temperature is controlled at 25 ℃; High-speed stirring adds montmorillonite powder, β-Al under condition of stirring in addition
2O
3Powder grinds 0.5～1h with sand mill behind the high-speed stirring 0.25h and processes the A liquid in this coating.B liquid is epoxy resin.
The galvanic protection of ocean platform atmospheric zone pipeline gas phase is with the method for use of solid electrolyte coating: at the scene, operating personnel 1: 0.2 in proportion～0.5 mixes A liquid and B liquid, and slaking evenly was coated on the protected object surface after 10 minutes.
The present invention's beneficial effect compared with prior art
1, solid electrolyte coating is used in ocean platform atmospheric zone pipeline gas phase of the present invention galvanic protection; But it is filmed and has ion conducting function, has good application property and stability in storage; Physicalies such as good bonding force, impelling strength can be solidified rapidly, even film layer, and production technique is simple; Cost performance is high, is the key components that realize the galvanic protection of ocean platform atmospheric zone pipeline gas phase.
2, production technique is simple, need not specific installation.
Embodiment
Embodiment 1
The galvanic protection of ocean platform atmospheric zone pipeline gas phase is with the method for manufacture of solid electrolyte coating.In stainless charging basket; Aqueous epoxy curing agent Aradur340 and 1 part of deionized water of adding 1 part; Be heated, controlled temperature is at 25 ℃; Mix; Under condition of stirring, add auxiliary rheological agents Rheo WT-202,0.0045 part mineral oil based skimmer BYK-033,0.001 part rubber-emulsion paint dispersant with high efficiency AMP-95,0.01 part Natvosol Cellosize and 0.02 part the divalent ester mixture DBE-IB of 0.001 part 900,0.001 part of efficient inorganic color stuffing dispersion agent Dispersant, its temperature is controlled at 25 ℃, in addition high-speed stirring; Under condition of stirring, add 0.1 part montmorillonite powder, β-Al of 0.2 part
2O
3Powder grinds 0.5h with sand mill behind the high-speed stirring 0.25h and processes the A liquid in this coating.B liquid is epoxy resin CYD-128, and the B liquid of the A liquid of 1 weight part and 0.32 weight part mixes and processes the galvanic protection of ocean platform atmospheric zone pipeline gas phase and use solid electrolyte coating during use.
Embodiment 2
The galvanic protection of ocean platform atmospheric zone pipeline gas phase is with the method for manufacture of solid electrolyte coating.In stainless charging basket; Aqueous epoxy curing agent Aradur340 and 1 part of deionized water of adding 1 part; Be heated, controlled temperature is at 25 ℃; Mix; Under condition of stirring, add auxiliary rheological agents Rheo WT-202,0.0035 part mineral oil based skimmer BYK-033,0.0015 part rubber-emulsion paint dispersant with high efficiency AMP-95,0.008 part Natvosol Cellosize and 0.04 part the divalent ester mixture DBE-IB of 0.0012 part 900,0.0015 part of efficient inorganic color stuffing dispersion agent Dispersant, its temperature is controlled at 25 ℃, in addition high-speed stirring; The montmorillonite powder (montmorillonite powder 400 orders, whiteness 80, the density 60g/cm that under condition of stirring, add 0.2 part
3, AV 50mPa.s), β-Al of 0.1 part
2O
3Powder (β type aluminum oxide powder, 120--325 order) grinds 0.5h with sand mill behind the high-speed stirring 0.25h and processes the A liquid in this coating.B liquid is epoxy resin CYD-128, and the B liquid of the A liquid of 1 weight part and 0.36 weight part mixes and processes the galvanic protection of ocean platform atmospheric zone pipeline gas phase and use solid electrolyte coating during use.
Embodiment 3
The galvanic protection of ocean platform atmospheric zone pipeline gas phase is with the method for manufacture of solid electrolyte coating.In stainless charging basket; Aqueous epoxy curing agent Aradur340 and 1 part of deionized water of adding 1 part; Be heated, controlled temperature is at 25 ℃, mixes, and under condition of stirring, adds auxiliary rheological agents Rheo WT-202,0.0025 part mineral oil based skimmer BYK-033,0.002 part rubber-emulsion paint dispersant with high efficiency AMP-95,0.005 part Natvosol Cellosize and 0.06 part the divalent ester mixture DBE-IB of 0.0015 part 900,0.002 part of efficient inorganic color stuffing dispersion agent Dispersant; Its temperature is controlled at 25 ℃; High-speed stirring in addition adds 0.15 part montmorillonite powder, montmorillonite powder 400 orders under condition of stirring; Whiteness 80, density 60g/cm
3, AV 50mPa.s adds β-Al of 0.15 part
2O
3Powder (β type aluminum oxide powder, 120--325 order) grinds 0.5h with sand mill behind the high-speed stirring 0.25h and processes the A liquid in this coating.B liquid is epoxy resin CYD-128, and the B liquid of the A liquid of 1 weight part and 0.38 weight part mixes and processes the galvanic protection of ocean platform atmospheric zone pipeline gas phase and use solid electrolyte coating during use.
Embodiment 4
The galvanic protection of ocean platform atmospheric zone pipeline gas phase is with the method for manufacture of solid electrolyte coating.In stainless charging basket; Aqueous epoxy curing agent Aradur340 and 1 part of deionized water of adding 1 part; Be heated, controlled temperature is at 25 ℃; Mix, under condition of stirring, add the auxiliary rheological agents Rheo WT-202 of 0.0017 part 900,0.005 part of efficient inorganic color stuffing dispersion agent Dispersant, 0.003 part mineral oil based skimmer BYK-033,0.0025 part rubber-emulsion paint dispersant with high efficiency AMP-95,0.003 part Natvosol Cellosize, 0.07 part divalent ester mixture DBE-IB, its temperature is controlled at 25 ℃; High-speed stirring in addition; The montmorillonite powder (montmorillonite powder 400 orders, whiteness 80, the density 60g/cm that under condition of stirring, add 0.25 part
3, AV 50mPa.s), β-Al of 0.05 part
2O
3Powder (β type aluminum oxide powder, 120--325 order) grinds 0.5h with sand mill behind the high-speed stirring 0.25h and processes the A liquid in this coating.B liquid is epoxy resin CYD-128, and the B liquid of the A liquid of 1 weight part and 0.4 weight part mixes and processes the galvanic protection of ocean platform atmospheric zone pipeline gas phase and use solid electrolyte coating during use.
Embodiment 5
The galvanic protection of ocean platform atmospheric zone pipeline gas phase is with the method for manufacture of solid electrolyte coating.In stainless charging basket; Aqueous epoxy curing agent and 1 part of deionized water of adding 1 part; Be heated, controlled temperature is at 25 ℃; Mix, under condition of stirring, add 0.002 part efficient inorganic color stuffing dispersion agent, 0.008 part auxiliary rheological agents, 0.004 part mineral oil based skimmer, 0.003 part rubber-emulsion paint dispersant with high efficiency, 0.001 part Natvosol, 0.08 part divalent ester mixture, its temperature is controlled at 25 ℃; In addition high-speed stirring adds 0.18 part montmorillonite powder, β-Al of 0.12 part under condition of stirring
2O
3Powder grinds 0.5h with sand mill behind the high-speed stirring 0.25h and processes the A liquid in this coating.B liquid is epoxy resin, and the B liquid of the A liquid of 1 weight part and 0.42 weight part mixes and processes the galvanic protection of ocean platform atmospheric zone pipeline gas phase and use solid electrolyte coating during use.
Aqueous epoxy curing agent, product grade: Aradur340.Efficient inorganic color stuffing dispersion agent, product grade: Dispersant 900.Auxiliary rheological agents, product grade: Rheo WT-202.The mineral oil based skimmer, product grade: BYK-033.The rubber-emulsion paint dispersant with high efficiency, product grade: AMP-95.Natvosol, product grade: Cellosize.Divalent ester mixture, product grade: DBE-IB.Montmorillonite powder 400 orders, whiteness 80, density 60g/cm
3, AV 50mPa.s.β-Al
2O
3Powder (β type aluminum oxide powder) 120--325 order.Epoxy resin, product grade: CYD-128.
Effect: the ocean platform atmospheric zone pipeline gas phase galvanic protection according to above 5 embodiment preparation all can reach table 1 test result with solid electrolyte coating and coating performance.
Table 1 The performance test results
Claims (6)
1. solid electrolyte coating is used in ocean platform atmospheric zone pipeline gas phase galvanic protection; It is characterized in that: form by A liquid and B liquid; Wherein A liquid by weight, by 1 part aqueous epoxy curing agent, 1 part of deionized water, 0.0006～0.0021 part auxiliary rheological agents Rheo WT-202,0.001～0.01 part mineral oil based skimmer, 0.001～0.003 part rubber-emulsion paint dispersant with high efficiency AMP-95,0.001～0.01 part Natvosol, 0.012～0.12 part divalent ester mixture and 0.1～0.5 part montmorillonite powder, 0.05～0.5 part the β-Al of 900,0.001～0.01 part of efficient inorganic color stuffing dispersion agent Dispersant
2O
3Powder; B liquid is epoxy resin CYD-128, and the ingredient groups during use becomes the A liquid of 1 weight part and the B liquid of 0.2～0.5 weight part mixes.
2. solid electrolyte coating is used in ocean platform atmospheric zone pipeline gas phase according to claim 1 galvanic protection, and it is characterized in that: the product grade of aqueous epoxy curing agent is: Aradur340.
3. solid electrolyte coating is used in ocean platform atmospheric zone pipeline gas phase according to claim 1 galvanic protection, and it is characterized in that: mineral oil based skimmer product grade is: BYK-033.
4. solid electrolyte coating is used in ocean platform atmospheric zone pipeline gas phase according to claim 1 galvanic protection, and it is characterized in that: the product grade of Natvosol is: Cellosize.
5. solid electrolyte coating is used in ocean platform atmospheric zone pipeline gas phase according to claim 1 galvanic protection, and it is characterized in that: the product grade of divalent ester mixture is: DBE-IB.
6. according to claim 1,2,3,4 or 5 described ocean platform atmospheric zone pipeline gas phase galvanic protections method of manufacture with solid electrolyte coating; It is characterized in that: in the mixed emulsion of aqueous epoxy curing agent and deionized water, add efficient inorganic color stuffing dispersion agent, auxiliary rheological agents, mineral oil based skimmer, rubber-emulsion paint dispersant with high efficiency, Natvosol, divalent ester mixture; Its temperature is controlled at 25 ℃; Mix, high-speed stirring, under condition of stirring, add montmorillonite powder, β-Al
2O
3Powder grinds 0.5～1h with sand mill behind the high-speed stirring 0.25h and processes the A liquid in this coating; B liquid is epoxy resin, and the ingredient groups during use becomes the A liquid of 1 weight part and the B liquid of 0.2～0.5 weight part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110191712 CN102304317B (en) | 2011-07-08 | 2011-07-08 | Solid electrolyte paint for protection of gas-phase cathode of pipeline in ocean platform atmospheric zone and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110191712 CN102304317B (en) | 2011-07-08 | 2011-07-08 | Solid electrolyte paint for protection of gas-phase cathode of pipeline in ocean platform atmospheric zone and preparing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102304317A true CN102304317A (en) | 2012-01-04 |
| CN102304317B CN102304317B (en) | 2013-09-04 |
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|---|---|---|---|
| CN 201110191712 Active CN102304317B (en) | 2011-07-08 | 2011-07-08 | Solid electrolyte paint for protection of gas-phase cathode of pipeline in ocean platform atmospheric zone and preparing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100697A (en) * | 1985-11-23 | 1986-09-24 | 中国科学院物理研究所 | A kind of to the corrosionproof protection method that is exposed to the metal in the vapour phase and used protective system thereof |
| CN1164558A (en) * | 1997-03-11 | 1997-11-12 | 连云港港务局 | Two-component priming anticorrosive paint based on epoxy resin and its preparing method |
| CN1308660A (en) * | 1998-06-09 | 2001-08-15 | 吉奥泰克化学公司 | Method for applying a coating that acts as an electroltolytic barrier and a cathodic corrosion prevention system |
| CN101255291A (en) * | 2008-03-26 | 2008-09-03 | 陈大华 | Marine reinforced concrete anticorrosion paint and preparation method thereof |
-
2011
- 2011-07-08 CN CN 201110191712 patent/CN102304317B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100697A (en) * | 1985-11-23 | 1986-09-24 | 中国科学院物理研究所 | A kind of to the corrosionproof protection method that is exposed to the metal in the vapour phase and used protective system thereof |
| CN1164558A (en) * | 1997-03-11 | 1997-11-12 | 连云港港务局 | Two-component priming anticorrosive paint based on epoxy resin and its preparing method |
| CN1308660A (en) * | 1998-06-09 | 2001-08-15 | 吉奥泰克化学公司 | Method for applying a coating that acts as an electroltolytic barrier and a cathodic corrosion prevention system |
| CN101255291A (en) * | 2008-03-26 | 2008-09-03 | 陈大华 | Marine reinforced concrete anticorrosion paint and preparation method thereof |
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| CN102304317B (en) | 2013-09-04 |
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