CN103254732B - Ocean heavy anti-corrosion epoxy aluminum-magnesium-nickel-rich nano-coating and preparation method thereof - Google Patents
Ocean heavy anti-corrosion epoxy aluminum-magnesium-nickel-rich nano-coating and preparation method thereof Download PDFInfo
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- 239000004593 Epoxy Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000005260 corrosion Methods 0.000 title abstract description 25
- -1 aluminum-magnesium-nickel Chemical compound 0.000 title abstract description 9
- 239000002103 nanocoating Substances 0.000 title abstract 2
- 239000000843 powder Substances 0.000 claims abstract description 78
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000000576 coating method Methods 0.000 claims abstract description 53
- 239000011248 coating agent Substances 0.000 claims abstract description 48
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 40
- 239000002904 solvent Substances 0.000 claims abstract description 40
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 239000003822 epoxy resin Substances 0.000 claims abstract description 23
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 23
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 17
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 17
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- 239000003973 paint Substances 0.000 claims description 32
- 239000004411 aluminium Substances 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 26
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 20
- 229910052759 nickel Inorganic materials 0.000 claims description 20
- 229910001051 Magnalium Inorganic materials 0.000 claims description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 17
- 230000003260 anti-sepsis Effects 0.000 claims description 17
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 claims description 15
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 claims description 15
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical compound OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 claims description 15
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 claims description 15
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 claims description 15
- 229920006122 polyamide resin Polymers 0.000 claims description 15
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical group CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 claims description 12
- 229940083466 soybean lecithin Drugs 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 11
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 abstract description 21
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 239000004922 lacquer Substances 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 18
- 229910052725 zinc Inorganic materials 0.000 description 17
- 239000011701 zinc Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 229910000676 Si alloy Inorganic materials 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 239000013530 defoamer Substances 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000002481 rotproofing Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 239000012745 toughening agent Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000004848 polyfunctional curative Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010349 cathodic reaction Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- ATTFYOXEMHAYAX-UHFFFAOYSA-N magnesium nickel Chemical compound [Mg].[Ni] ATTFYOXEMHAYAX-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- LGERWORIZMAZTA-UHFFFAOYSA-N silicon zinc Chemical compound [Si].[Zn] LGERWORIZMAZTA-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
Abstract
The invention discloses an ocean heavy anti-corrosion epoxy aluminum-magnesium-nickel-rich nano-coating, which is composed of components A and B with a mass ratio of 18:1 and comprises the following components in parts by mass: 14-18 parts of epoxy resin, 3-6 parts of hydroxyl acrylic resin, 125-145 parts of nano-aluminum powder, 25-30 parts of nano-magnesium powder, 4-8 parts of nano-nickel powder, 3-6 parts of talcum powder, 2-4 parts of barium sulfate, 3-5 parts of an anti-settling auxiliary agent, 1-2 parts of a dispersing auxiliary agent, and 10-13 parts of a solvent, wherein the component B comprises the following components with contents in parts by mass: 50-60 parts of a curing agent and 40-50 parts of a solvent. The invention also discloses a preparation method of the coating. By adopting the scheme of the invention, the nano-aluminum powder content in a lacquer film is high, the cost is low, the process is simple, and no special equipment is needed. According to the invention, the prepared coating has strong binding force with a matrix, also has relatively good binding force with various other additional coatings, is excellent in corrosion-resistant performance in an ocean atmospheric environment, and long in service life, and is a heavy anti-corrosion coating applicable to iron and steel constructions such as a drilling platform and a bridge in an ocean atmospheric environment.
Description
Technical field
The present invention relates to a kind of coating technology, especially a kind of ocean heavy antisepsis epoxy rich magnalium nickel nano paint and preparation method thereof.
Background technology
At present, metallic corrosion is the problem that current of facing is very serious.Guestimate, the loss of the annual metal construction, equipment and the material that cause because of corrosion, be about as much as the 20%-40% of metal production then, the metal that the whole world is scrapped because of corrosion every year reaches more than 100,000,000 tons, and financial loss accounts for the 1.5%-3.5% of total value of production in national economy.In China, the financial loss caused due to metallic corrosion, every year up to more than 30,000,000,000 yuan, accounts for 4% of gross national product.Especially the marine corrosion in ocean environment, the corrosion that the components such as metal occur in ocean environment, the harm that it causes is very serious.Along with the layout of China's "Oceanic" strategy in recent years, the metal equipment corrosion problems such as the oil platform in atmospheric marine environment come into one's own day by day.
For one of method that the hardware protection against corrosion of routine is effective, the most the most frequently used be metallic surface coating erosion shield, with isolated corrosive medium and metallic matrix.Zinc-rich paint is a kind of heavy-duty coating of excellent anti-corrosion performance, and oneself is widely applied to the every field of industrial antisepsis.
Along with the mankind carry out on a large scale drive oing boldly to ocean, marine economy and marine industries are upgraded further and to development in pluralism, people have higher requirement for epoxy zinc-enriched paint, and such as permanent protective property energy, low consumption of resources and environmental ecology are friendly.At present, the exploitation of protective system is no longer the protective only focusing on coating, and scientific research personnel attempts to improve its over-all properties while raising protective system barrier propterty always.The quality of coating entirety after such as coating film forming, high resistance to corrosion seawater, adhesion strength etc. are its important features.
Chinese invention patent application numbers 201010591241 discloses a kind of coating of the marine climate resistant rotproofing containing magnesium-nickel, formulation for coating material relates to a kind of coating of marine climate resistant engineering component rotproofing, described formulation for coating material is with following proportioning: aluminium zinc silicon alloy powder: organic solvent: nano-oxide particles toughener: deionized water: binding agent: corrosion inhibitor: dispersion agent: thickening material=30.0-50.0g: 10.0-25.0mL: 1.0-4.0g: 15.0-30.0mL: 2.0-5.0g: 1.0-3.0g: 0.1-2.0mL: 0.1-2.0g, wherein said aluminium zinc silicon alloy powder is by Al, Zn, Si, Mg, Ni forms.
Chinese invention patent application numbers 201110008770 discloses a kind of coating of nickeliferous marine climate resistant rotproofing, formulation for coating material is with following proportioning: aluminium zinc silicon alloy powder: organic solvent: nano-oxide particles toughener: deionized water: binding agent: corrosion inhibitor: dispersion agent: thickening material=30.0-50.0g: 10.0-25.0mL: 1.0-4.0g: 15.0-30.0mL: 2.0-5.0g: 1.0-3.0g: 0.1-2.0mL: 0.1-2.0g, and wherein said aluminium zinc silicon alloy powder is made up of Al, Zn, Si, Ni.
Chinese invention patent application numbers 201110008863 discloses a kind of coating of marine climate resistant rotproofing of nickel-manganese-contained, formulation for coating material is with following proportioning: aluminium zinc silicon alloy powder: organic solvent: nano-oxide particles toughener: deionized water: binding agent: corrosion inhibitor: dispersion agent: thickening material=30.0-50.0g: 10.0-25.0mL: 1.0-4.0g: 15.0-30.0mL: 2.0-5.0g: 1.0-3.0g: 0.1-2.0mL: 0.1-2.0g, and wherein said aluminium zinc silicon alloy powder is made up of Al, Zn, Si, Ni and Mn.
Coating in above three inventions disclosed is water-soluble aluminum zinc silicon coating, although breach the constraint that aluminum current zinc silicon coating mainly adopts hot-dipping method to prepare.But preparation temperature is still higher.
Chinese invention patent application numbers 201210254110 discloses a kind of water-based epoxy zinc-rich primer and preparation method thereof
,described waterborne acrylic polyurethane surface paint comprises A component, B component and C component, according to weight, described A component comprises: aqueous epoxy resins 17-20 part, deionized water 0.3-0.5 part, defoamer 0.1-0.2 part, substrate wetting agents 0.02-0.03 part; Described B group comprises: modified multicomponent amine hardener 5-6 part, defoamer 0.04-0.07 part, anti-settling thixotropic agent 0.2-0.4 part, deionized water 4-6 part, water-based coupling agent 0.03-0.08 part; Described C component comprises: nano level zinc powder 68-70 part.
Chinese invention patent application numbers 201210374279 discloses a kind of water-based epoxy zinc-rich primer and preparation method thereof
,water-based epoxy zinc-rich primer is made up of host and solidifying agent, and the quality proportioning of host and solidifying agent is 4:1; Consisting of of host: film coalescence aid, anti-settling agent one, anti-settling agent two, amine epoxy hardener, dispersion agent, defoamer, filler and zinc powder; Consisting of of solidifying agent: epoxy emulsion, anti-settling agent three, anti-sudden strain of a muscle rust agent and deionized water.Preparation method comprises the steps: that the preparation of host and solidifying agent and host and solidifying agent are carried out joining paint according to the ratio of quality proportioning=4/1.
Chinese invention patent application is number 201210486877 preparation methods disclosing epoxy zinc-rich heavy-duty coating comprise the following steps: prepare main paint, take aqueous epoxy resins 500-550 kilogram in reactor, start high speed dispersor, control rotating speed at 700-800r/min; Take deionization 10-12 kilogram, urethane flow agent (PUR-40) 3-4 kilogram; Defoamer (T4505) 2-3 kilogram; Substrate wetting agents (BYK346) 1-2 kilogram, drops in reactor successively, controls rotating speed at 800-1000r/min, stirs 30-40min, take out.
Above three patents of invention are mainly water-based anticorrosive paint, market value is higher at home at present for water-based anticorrosive paint, practical application market is at present still well below two component solvent-borne type protective system, in coating disclosed in above three patents of invention, anticorrosion chief component is zinc powder in addition, because the electropotential of zinc is lower than the electropotential of iron, therefore the zinc in epoxy zinc-enriched paint can play sacrificial protection effect, on the other hand, epoxy zinc-rich coating also counteracts that the infiltration of corrosive medium, epoxy zinc-enriched paint is made to have extraordinary corrosion-resisting function, at home and abroad be widely applied, simultaneously because the electropotential of aluminium is equally lower than the electropotential of iron, therefore aluminium can play sacrificial protection effect equally, while playing a protective role, because the theoretical density of aluminium when room temperature is 2.69 grams/cc, zinc density is 7.14 grams/cc, adopt aluminium lower as the cost of galvanic anode protection protective material when same volume, and its effect is equal to.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of ocean heavy antisepsis epoxy rich magnalium nickel nano paint and preparation method thereof, this coating can significantly improve the resistance to corrosion of coating in atmospheric marine environment.
For achieving the above object, the present invention adopts following technical proposals:
A kind of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, it is that 18:1 is formed by the first and second two kinds of components according to quality proportioning, and according to the mass fraction, first component comprises following component and content:
Epoxy resin 14-18 part;
Hydroxylated acrylic resin 3-6 part;
Nanometer aluminium powder 100-115 part;
Nanometer Mg powder 25-30 part;
Nano-nickel powder 4-8 part;
Talcum powder 3-6 part;
Barium sulfate 2-4 part;
Anti-settling auxiliary agent 3-5 part;
Dispersing auxiliary 1-2 part;
Solvent 10-13 part;
By ratio of quality and the number of copies, second component comprises following component and content:
Solidifying agent 50-60 part;
Solvent 40-50 part.
Described epoxy resin is E44 epoxy resin.
Described nanometer aluminium powder particle diameter is 100 nanometers.
Described nanometer Mg powder particle diameter is 200 nanometers.
Described nano-nickel powder particle diameter is 200 nanometers.
Described anti-settling auxiliary agent is organobentonite powder.
Described dispersing auxiliary is soybean lecithin.
Use same solvent in described first and second components, in the first and second components, described solvent is dimethylbenzene and propyl carbinol is formulated according to volume ratio 5:1.
Described solidifying agent is modified by cardanol polyamide resin.
The preparation in accordance with the following methods of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, step comprises:
(1) by formula ratio, epoxy resin and Hydroxylated acrylic resin are added in agitator, under the stirring of the speed of 300r/min, add solvent, talcum powder, barium sulfate, anti-settling auxiliary agent, dispersing auxiliary in order successively, nanometer aluminium powder, nanometer Mg powder and nano-nickel powder is slowly added under stirring with the speed of 1500r/min again, churning time is 30 minutes, obtains first component;
(2) to be added by solidifying agent modified by cardanol polyamide resin by formula ratio and get the raw materials ready in pot, under the stirring of the speed of 1000r/min, add solvent, high speed dispersion 10 minutes, obtains second component;
(3) need be 18:1 by formula ratio quality proportioning by described first component, second component during construction, mixing, uniform stirring, leaves standstill and can use after 10 minutes.
In the present invention, epoxy resin and Hydroxylated acrylic resin are as the main film forming substance of epoxy rich magnalium nickel nano paint, utilize two kinds of resin synergies, can play and no matter well sealing process is completely cut off to steel substrate, stop and isolation corrosive medium, improve steel substrate resistance to corrosion, epoxy resin and Hydroxylated acrylic resin can block cathodic reaction as main film forming substance in the coating of steel substrate surface formation, improve paint coatings corrosion resistant effect.
Nanometer aluminium powder adds as antirust bulk composition; because the current potential of aluminium is relative and steel substrate is more negative; the effect that we add nanometer aluminium powder is exactly play sacrificial anode effect; because along with the continuous flowing of electric current; anode material constantly consumes. and aluminium powder, as sacrificial anode material, effectively can exempt from galvanic corrosion by electrochemical action protection steel substrate.Aluminium powder is compared zinc powder in addition, although all play sacrificial protection effect, in equal quality situation, aluminium powder volume is larger, and that is relative cost can be lower.Aluminium powder in the coating formed is nano material, has small-size effect and surface effects, can form fine and close paint film, effectively can intercept the erosion to steel surface such as air from physical action simultaneously.
Talcum powder and barium sulfate add as paint filler, and both collaborative adds the thickness that effectively can improve coating and once spray, and effectively improves the injury resistant ability of coatingsurface, effectively reduce overall coating cost.
The Main Function that adds of organobentonite powder prevents these primary solids composition sedimentations in coating of metal powder, talcum powder and barium sulfate, can improve stability and the consistency of metal powder, talcum powder and barium sulfate.
Adding of soybean lecithin makes metal powder, talcum powder and barium sulfate molecule more easily disperse and stir, soybean lecithin can improve the hydrophile-lipophile balance value of metal powder, talcum powder and barium sulfate, there is solidifying wadding in effective control, and effectively improve aluminium powder, talcum powder and barium sulfate and form the opacifying power after coating, and stability in coating slurries and viscosity.
Modified by cardanol polyamide resin finally adds as solidifying agent, in main this coating of consideration, main film forming substance is epoxy resin and Hydroxylated acrylic resin, modified by cardanol polyamide resin surface energy is low, good to substrate wettability, its add as solidifying agent after coating and the steel substrate sticking power excellence that formed of coating.
Above all substances mix together coating with mass ratio in order, wherein there is synergistic effect in each substance to greatest extent, steel substrate formed coating there is stronger anticorrosion ability.
Case effect, carries out the resistance to neutral salt spray time of neutral salt spray test according to ISO 9227-2006 salt-fog test standard
| Example | Example 1 | Example 2 | Example 3 | Example 4 |
| The resistance to neutral salt spray time | 1042 hours | 1065 hours | 1053 hours | 1032 hours |
The invention has the beneficial effects as follows:
In the present invention, the usage percentage of each raw material is that contriver draws on lot of experiments basis, in above-mentioned amount ranges, have good effect.
The present invention; metal powder is high efficiency dispersion in the coating; effectively can fill the pin hole of coating; the formation of the various defects in remarkable minimizing coating; nanometer aluminium powder content is wherein high; in atmospheric marine environment, effectively serve the electro-chemical protection on surface, be specially adapted to extreme high humidity, high hot atmospheric marine environment steel structure surface is anticorrosion.
Adopt the present invention, the nanometer aluminium powder content in paint film is high, with low cost, and technique is simple, without the need to specific installation.The present invention by coating prepared by the present invention and basal body binding force strong, also there is good bonding force corrosion resistant performance in atmospheric marine environment outstanding with other various additional coatings simultaneously, long service life, can be applicable to the heavy-duty coating of the iron and steel structures such as the drilling unit of atmospheric marine environment, bridge.
In addition because the density of aluminium is far below the density of zinc, the zinc-rich paint consumption of aluminium powder consumption relatively with traditional is low, and cost significantly reduces, thus reaches the object significantly improving epoxy aluminum-rich coatings over-all properties.Solve Present Domestic in various marine settings engineering marine corrosion problem in the urgent need to, in oil drilling platform and South China Sea islands, have important application prospect in the equipment such as steel structure surface protection and engineering.
Paint of the present invention is adopted to form 100 μm of thick coatings, through the accelerated corrosion analog reslt Neutral Salt Spray Corrosion life-span: be greater than 1000 hours.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
A kind of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, it is that 18:1 is formed by the first and second two kinds of components according to quality proportioning, and according to the mass fraction, first component comprises following component and content:
E44 epoxy resin 16 parts;
Hydroxylated acrylic resin 4 parts;
Nanometer aluminium powder 140 parts;
Nanometer Mg powder 25 parts;
Nano-nickel powder 4 parts;
Talcum powder 4 parts;
2 parts, barium sulfate;
5 parts, organobentonite powder;
Soybean lecithin 1 part;
Solvent 12 parts, solvent is that dimethylbenzene and propyl carbinol are formulated according to volume ratio 5:1;
By ratio of quality and the number of copies, second component comprises following component and content:
Modified by cardanol polyamide resin 60 parts;
Solvent 40 parts, solvent is that dimethylbenzene and propyl carbinol are formulated according to volume ratio 5:1.
The preparation in accordance with the following methods of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, step comprises:
(1) by formula ratio, epoxy resin and Hydroxylated acrylic resin are added in agitator, under the stirring of the speed of 300r/min, add solvent, talcum powder, barium sulfate, organobentonite powder, soybean lecithin in order successively, nanometer aluminium powder, nanometer Mg powder and nano-nickel powder is slowly added under stirring with the speed of 1500r/min again, churning time is 30 minutes, obtains first component;
(2) to be added by modified by cardanol polyamide resin by formula ratio and get the raw materials ready in pot, under the stirring of the speed of 1000r/min, add solvent, high speed dispersion 10 minutes, obtains second component;
(3) need be 18:1 by formula ratio quality proportioning by described first component, second component during construction, mixing, uniform stirring, leaves standstill and can use after 10 minutes.
Embodiment 2:
A kind of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, it is that 18:1 is formed by the first and second two kinds of components according to quality proportioning, and according to the mass fraction, first component comprises following component and content:
E44 epoxy resin 14 parts;
Hydroxylated acrylic resin 3 parts;
Nanometer aluminium powder 125 parts;
Nanometer Mg powder 28 parts;
Nano-nickel powder 6 parts;
Talcum powder 3 parts;
2 parts, barium sulfate;
3 parts, organobentonite powder;
Soybean lecithin 1 part;
Solvent 10 parts, solvent is that dimethylbenzene and propyl carbinol are formulated according to volume ratio 5:1;
By ratio of quality and the number of copies, second component comprises following component and content:
Modified by cardanol polyamide resin 50 parts;
Solvent 50 parts, solvent is that dimethylbenzene and propyl carbinol are formulated according to volume ratio 5:1.
The preparation in accordance with the following methods of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, step comprises:
(1) by formula ratio, epoxy resin and Hydroxylated acrylic resin are added in agitator, under the stirring of the speed of 300r/min, add solvent, talcum powder, barium sulfate, organobentonite powder, soybean lecithin in order successively, nanometer aluminium powder, nanometer Mg powder and nano-nickel powder is slowly added under stirring with the speed of 1500r/min again, churning time is 30 minutes, obtains first component;
(2) to be added by modified by cardanol polyamide resin by formula ratio and get the raw materials ready in pot, under the stirring of the speed of 1000r/min, add solvent, high speed dispersion 10 minutes, obtains second component;
(3) need be 18:1 by formula ratio quality proportioning by described first component, second component during construction, mixing, uniform stirring, leaves standstill and can use after 10 minutes.
Embodiment 3
A kind of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, it is that 18:1 is formed by the first and second two kinds of components according to quality proportioning, and according to the mass fraction, first component comprises following component and content:
E44 epoxy resin 18 parts;
Hydroxylated acrylic resin 6 parts;
Nanometer aluminium powder 145 parts;
Nanometer Mg powder 30 parts;
Nano-nickel powder 6 parts;
Talcum powder 6 parts;
4 parts, barium sulfate;
5 parts, organobentonite powder;
Soybean lecithin 2 parts;
Solvent 13 parts, solvent is that dimethylbenzene and propyl carbinol are formulated according to volume ratio 5:1;
By ratio of quality and the number of copies, second component comprises following component and content:
Modified by cardanol polyamide resin 60 parts;
Solvent 40 parts, solvent is that dimethylbenzene and propyl carbinol are formulated according to volume ratio 5:1.
The preparation in accordance with the following methods of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, step comprises:
(1) by formula ratio, epoxy resin and Hydroxylated acrylic resin are added in agitator, under the stirring of the speed of 300r/min, add solvent, talcum powder, barium sulfate, organobentonite powder, soybean lecithin in order successively, nanometer aluminium powder, nanometer Mg powder and nano-nickel powder is slowly added under stirring with the speed of 1500r/min again, churning time is 30 minutes, obtains first component;
(2) to be added by modified by cardanol polyamide resin by formula ratio and get the raw materials ready in pot, under the stirring of the speed of 1000r/min, add solvent, high speed dispersion 10 minutes, obtains second component;
(3) need be 18:1 by formula ratio quality proportioning by described first component, second component during construction, mixing, uniform stirring, leaves standstill and can use after 10 minutes.
Embodiment 4:
A kind of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, it is that 18:1 is formed by the first and second two kinds of components according to quality proportioning, and according to the mass fraction, first component comprises following component and content:
E44 epoxy resin 15 parts;
Hydroxylated acrylic resin 5 parts;
Nanometer aluminium powder 130 parts;
Nanometer Mg powder 30 parts;
Nano-nickel powder 8 parts;
Talcum powder 6 parts;
2 parts, barium sulfate;
4 parts, organobentonite powder;
Soybean lecithin 1 part;
Solvent 10 parts, solvent is that dimethylbenzene and propyl carbinol are formulated according to volume ratio 5:1;
By ratio of quality and the number of copies, second component comprises following component and content:
Modified by cardanol polyamide resin 55 parts;
Solvent 45 parts, solvent is that dimethylbenzene and propyl carbinol are formulated according to volume ratio 5:1.
The preparation in accordance with the following methods of ocean heavy antisepsis epoxy rich magnalium nickel nano paint, step comprises:
(1) by formula ratio, epoxy resin and Hydroxylated acrylic resin are added in agitator, under the stirring of the speed of 300r/min, add solvent, talcum powder, barium sulfate, organobentonite powder, soybean lecithin in order successively, nanometer aluminium powder, nanometer Mg powder and nano-nickel powder is slowly added under stirring with the speed of 1500r/min again, churning time is 30 minutes, obtains first component;
(2) to be added by modified by cardanol polyamide resin by formula ratio and get the raw materials ready in pot, under the stirring of the speed of 1000r/min, add solvent, high speed dispersion 10 minutes, obtains second component;
(3) need be 18:1 by formula ratio quality proportioning by described first component, second component during construction, mixing, uniform stirring, leaves standstill and can use after 10 minutes.
Although above-mentioned, the specific embodiment of the present invention is described; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (1)
1. an ocean heavy antisepsis epoxy rich magnalium nickel nano paint, is characterized in that, it is that 18:1 is formed by the first and second two kinds of components according to quality proportioning, and according to the mass fraction, first component comprises following component and content:
Epoxy resin 14-18 part;
Hydroxylated acrylic resin 3-6 part;
Nanometer aluminium powder 125-145 part;
Nanometer Mg powder 25-30 part;
Nano-nickel powder 4-8 part;
Talcum powder 3-6 part;
Barium sulfate 2-4 part;
Anti-settling auxiliary agent 3-5 part;
Dispersing auxiliary 1-2 part;
Solvent 10-13 part;
According to the mass fraction, second component comprises following component and content:
Solidifying agent 50-60 part;
Solvent 40-50 part;
Described solidifying agent is modified by cardanol polyamide resin.
2. an ocean heavy antisepsis epoxy rich magnalium nickel nano paint, is characterized in that, it is that 18:1 is formed by the first and second two kinds of components according to quality proportioning, and according to the mass fraction, first component comprises following component and content:
Epoxy resin 16 parts;
Hydroxylated acrylic resin 4 parts;
Nanometer aluminium powder 140 parts;
Nanometer Mg powder 25 parts;
Nano-nickel powder 4 parts;
Talcum powder 4 parts;
2 parts, barium sulfate;
Anti-settling auxiliary agent 6 parts;
Dispersing auxiliary 1 part;
Solvent 12 parts;
According to the mass fraction, second component comprises following component and content:
60 parts, solidifying agent;
Solvent 40 parts;
Described solidifying agent is modified by cardanol polyamide resin.
3. coating as claimed in claim 1 or 2, it is characterized in that, described epoxy resin is E44 epoxy resin.
4. coating as claimed in claim 1 or 2, it is characterized in that, described nanometer aluminium powder particle diameter is 100 nanometers.
5. coating as claimed in claim 1 or 2, it is characterized in that, described nanometer Mg powder particle diameter is 200 nanometers.
6. coating as claimed in claim 1 or 2, it is characterized in that, described nano-nickel powder particle diameter is 200 nanometers.
7. coating as claimed in claim 1 or 2, it is characterized in that, described anti-settling auxiliary agent is organobentonite powder.
8. coating as claimed in claim 1 or 2, it is characterized in that, described dispersing auxiliary is soybean lecithin.
9. coating as claimed in claim 1 or 2, it is characterized in that, use same solvent in described first and second components, in the first and second components, described solvent is dimethylbenzene and propyl carbinol is formulated according to volume ratio 5:1.
10. a preparation method for ocean heavy antisepsis epoxy rich magnalium nickel nano paint as claimed in claim 1 or 2, it is characterized in that, step comprises:
(1) by formula ratio, epoxy resin and Hydroxylated acrylic resin are added in agitator, under the stirring of the speed of 300r/min, add solvent, talcum powder, barium sulfate, anti-settling auxiliary agent, dispersing auxiliary in order successively, nanometer aluminium powder, nanometer Mg powder and nano-nickel powder is slowly added under stirring with the speed of 1500r/min again, churning time is 30 minutes, obtains first component;
(2) to be added by solidifying agent modified by cardanol polyamide resin by formula ratio and get the raw materials ready in pot, under the stirring of the speed of 1000r/min, add solvent, high speed dispersion 10 minutes, obtains second component;
(3) need be 18:1 by formula ratio quality proportioning by described first component, second component during construction, mixing, uniform stirring, leaves standstill and can use after 10 minutes.
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| CN201310187118.5A CN103254732B (en) | 2013-05-20 | 2013-05-20 | Ocean heavy anti-corrosion epoxy aluminum-magnesium-nickel-rich nano-coating and preparation method thereof |
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| CN201310187118.5A CN103254732B (en) | 2013-05-20 | 2013-05-20 | Ocean heavy anti-corrosion epoxy aluminum-magnesium-nickel-rich nano-coating and preparation method thereof |
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| WO1997032936A1 (en) * | 1996-03-08 | 1997-09-12 | Hunting Industrial Coatings | Anti-corrosive coating compositions |
| CN101451030A (en) * | 2008-11-26 | 2009-06-10 | 北京航空航天大学 | Water-soluble nano powdered aluminium paint and preparation method thereof |
| CN102816495A (en) * | 2011-06-10 | 2012-12-12 | 上海建冶科技工程股份有限公司 | Environment-friendly nano-epoxy silicone heavy anti-corrosion coating and preparation method and using method thereof |
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