CN1752162A - Marine heavy-duty anticorrosive paint and preparation method thereof - Google Patents
Marine heavy-duty anticorrosive paint and preparation method thereof Download PDFInfo
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- CN1752162A CN1752162A CN 200410050479 CN200410050479A CN1752162A CN 1752162 A CN1752162 A CN 1752162A CN 200410050479 CN200410050479 CN 200410050479 CN 200410050479 A CN200410050479 A CN 200410050479A CN 1752162 A CN1752162 A CN 1752162A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003973 paint Substances 0.000 title abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 80
- 239000011248 coating agent Substances 0.000 claims abstract description 78
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 76
- 239000013530 defoamer Substances 0.000 claims abstract description 13
- 239000000049 pigment Substances 0.000 claims abstract description 13
- 239000000080 wetting agent Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 11
- 239000004593 Epoxy Substances 0.000 claims description 35
- 239000011347 resin Substances 0.000 claims description 33
- 229920005989 resin Polymers 0.000 claims description 33
- -1 phenolic aldehyde amine Chemical class 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000012752 auxiliary agent Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 12
- 230000008719 thickening Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 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 description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000010445 mica Substances 0.000 claims description 9
- 229910052618 mica group Inorganic materials 0.000 claims description 9
- 229920000768 polyamine Polymers 0.000 claims description 9
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 8
- 239000004408 titanium dioxide Substances 0.000 claims description 8
- 239000003352 sequestering agent Substances 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- 125000003700 epoxy group Chemical group 0.000 claims description 5
- DMYOHQBLOZMDLP-UHFFFAOYSA-N 1-[2-(2-hydroxy-3-piperidin-1-ylpropoxy)phenyl]-3-phenylpropan-1-one Chemical compound C1CCCCN1CC(O)COC1=CC=CC=C1C(=O)CCC1=CC=CC=C1 DMYOHQBLOZMDLP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001588 bifunctional effect Effects 0.000 claims description 4
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 claims description 4
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 241000143437 Aciculosporium take Species 0.000 claims description 2
- 239000002609 medium Substances 0.000 claims description 2
- 150000001336 alkenes Chemical group 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 12
- 229920000647 polyepoxide Polymers 0.000 abstract description 10
- 239000003822 epoxy resin Substances 0.000 abstract description 9
- 239000003607 modifier Substances 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000002738 chelating agent Substances 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 150000004658 ketimines Chemical class 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 40
- 239000002585 base Substances 0.000 description 13
- 230000001680 brushing effect Effects 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000002131 composite material Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 238000005187 foaming Methods 0.000 description 6
- 239000004848 polyfunctional curative Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 125000002009 alkene group Chemical group 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000001117 sulphuric acid Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- 239000013008 thixotropic agent Substances 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000008431 aliphatic amides Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention relates to an anticorrosive paint, in particular to a marine heavy anticorrosive paint and a preparation method thereof. The coating is composed of A, B two components, wherein the component B (color paste) comprises 30-50% of epoxy resin, 0-10% of modifier, 0.1-1% of chelating agent, 5-25% of pigment, 5-20% of filler, 0.5-2% of thickener, 0-0.2% of dispersant, 0.1-0.3% of wetting agent, 0.2-0.5% of flatting agent, 0.2-0.4% of defoamer, and the component A (curing agent) comprises 20-30% of phenol-aldehyde amine curing agent and 0-5% of ketimine. The A, B components are uniformly mixed according to the weight ratio of A to B of 1 to 3-5, the mixture is fully stirred uniformly and cured for 10-15 minutes for use, high-pressure airless spraying and blade coating can be adopted, and the coating can be coated underwater (blade coating or brush coating) to obtain an underwater cured coating with smooth surface, quick drying and good physical and mechanical properties.
Description
Technical field
The present invention relates to protective system, be specially ocean heavy-duty coating that can solidify under water and brush and preparation method thereof.
Background technology
Based on the no-solvent type heavy-duty coating of Resins, epoxy, many marine facility, boats and ships etc. of all being applied to are arranged in the ocean environment of publishing.Its solidifying agent that adopts is Ammonia affixture or polymeric amide etc.Coated article (steel construction) surface is clean, dry, can not more can not brush under water and solidify moist and have on the surface of water and brush.Because coating is very inequality with airborne behavior in water: coating is brushed in air, and coating is easy to combine with the coated article surface; But in water, coated article and water have bigger avidity, and brushing will overcome this avidity and coated article surface bonding in water, brushing is just relatively more difficult like this, and sticking power, condition of surface etc. is subjected to the influence of water, also can change, as loss of gloss, surface irregularity, loss of adhesion etc.Its result of surface to humidity also is like this.
Usually the no-solvent type protective system of report is very strict to the surface-treated requirement, generally need reach the Sa2.5 level of GB8923-88.Construction under water, surface treatment is difficult to the requirement that reaches such.
Summary of the invention
The object of the present invention is to provide a kind of ocean heavy-duty coating and preparation method thereof, the salient features and the characteristics that not only have aforesaid no-solvent type heavy-duty coating, and can brush under water, solidify, also can on the coated article interface of humidity, brush and solidify.
Technical scheme of the present invention:
A kind of ocean heavy-duty coating, by weight percentage, this coating is made of two kinds of components of A, B, wherein B component (mill base) comprises Resins, epoxy 30～50%, properties-correcting agent 0～10%, sequestrant 0.1～1%, pigment 5～25%, filler 5～20%, thickening material 0.5～2%, dispersion agent 0～0.2%, wetting agent 0.1～0.3%, flow agent 0.2～0.5%, defoamer 0.2～0.4%, described properties-correcting agent comprises the epoxy compounds of simple function group or the epoxy compounds of bifunctional, perhaps is liquid resin, perhaps for not containing the plasticity compound of epoxy group(ing); A component (solidifying agent) comprises phenolic aldehyde amine curing agent 20～30%, ketoimine 0～5%.
Described Resins, epoxy is that E-51 Resins, epoxy, E-44 Resins, epoxy or two kinds of resins are mixed by arbitrary proportion.
Described properties-correcting agent is epoxy propane butyl ether or polyglycidyl ether, one of acrylic resin or Synolac or be mixed, one of dimixo-octyl phthalate, dibutyl phthalate, thiorubber, NX-2020, NX-2013 or be mixed.
Described sequestrant is a silane coupling agent.
Described pigment is one of iron mica, Rutile type Titanium Dioxide, carbon black, medium chrome yellow medium yellow or is mixed.
Described filler is one of sericite, talcum powder or is mixed.
Described B component also comprises 0～0.5% anticorrosive agent, and anticorrosive agent can be thiocarbamide.
Described phenolic aldehyde amine basic structure formula is:
Wherein-(R
3NH)
n-NH
2Part is a polyamine, and R is C
1-C
20Alkyl or alkene chain or H, n=2～4; R
2, R
3Be C
2-C
5Alkyl or H.
The preparation method of described ocean heavy-duty coating, concrete steps are as follows:
1) preparation B component
A. take by weighing face, the filler of aequum, mixing;
B. with after the quantitative properties-correcting agent of adding is handled in the Resins, epoxy of aequum, add auxiliary agent: sequestrant, thickening material, flow agent, wetting agent, dispersion agent, defoamer, uniform mixing;
C. step a mixture is added in the step b mixture, disperse, be ground to fineness≤60 μ m;
2) the A component is pressed mixing and stirring under the described proportioning normal temperature;
3) above A, B component are pressed A: B=1: 3～5 weight part uniform mixing.
Because the harshness of ocean heavy-duty coating working conditions is therefore very high to the performance requriements of coating, is all with common protective system very big difference to be arranged from the selection of film forming matter, color stuffing, auxiliary agent and solidifying agent.
(1) selection of film forming matter
Because the viscosity and the density of air and water exist huge difference, cause in air very easily the coating of application to be constructed under water and become quite difficult.The ring-opening reaction mechanism of Resins, epoxy and the free radical reaction membrane formation mechanism of unsaturated polyester are subjected to the influence of water less, consider and to construct under water, therefore its singularity arranged in the coating resin modification, introduce-COOH ,-functional group that the OH isopolarity is big, making films can replace staying the water molecules that is coated with the surface.The coating that with Resins, epoxy is base-material has good chemical-resistant and preservative property, is widely used in anticorrosion under the severe rugged environment.Shortcoming at ordinary epoxy resin: more crisp as paint film, impact resistance is bad, time limit of service is short, bring very big difficulty etc. to operation, the present invention carries out modification to low-molecular-weight liquid-state epoxy resin, and carry out composite with other materials, but made the coating of underwater curing excellent performance, paint film has good acid-and base-resisting, salt solution, fuel oil and wear resistance.
(2) selection of solidifying agent
The coating of underwater construction requires solidifying agent necessary water insoluble, and has certain viscosity and polarity.Being used for curing agent for epoxy resin has: amine curing agents such as aliphatic amide, aromatic amine, ketoimine, modified amine.But aliphatic polyamine has a lot of shortcomings as curing agent for epoxy resin, as film easily " frosting " etc., and this causes owing to amine and carbon dioxide in air, moisture content etc. react.The present invention has determined that with modified phenolic amine be solidifying agent, by pnenolic aldehyde amine hardener is carried out modification, makes coating paint film smooth surface, smooth, no sag.
(3) selection of color stuffing
Color stuffing can play the effect of shielding, reduces the infiltration of water, oxonium ion, plays a part antirustly, and can increase the surfaceness of paint film, is beneficial to and adheres to, and play adjusting proportion in construction.The pigment that uses in the heavy-duty coating of ocean has: iron mica, and it has sheet structure, and maskable water and gas directly enter; The ferric oxide ash is given the good physical and mechanical properties of paint film (as shock-resistance, snappiness and water tolerance).In addition, add filler sericite, talcum powder etc., it mainly acts on is not only to reduce cost, and can also regulate the pigment volume concentration (PVC) of filming, and the contraction when reducing dried coating film keeps sticking power.Once construction can reach more than the 100 μ m, have in addition can reach 500 μ m, noresidue solvent evaporates part etc. during curing.
(4) selection of auxiliary agent
For solving coating moist or adhering under the water state arranged, water and combining of steel surface are become combining of coating and metallic surface, the present invention has adopted other auxiliary agents such as silicoorganic compound that have sequestering action with metal, solved under water or wet condition under brushing and the problem of sticking power.
In the selection of auxiliary agent, the present invention has selected for use with silicone based inner complex as a kind of additive that strengthens sticking power, and the organosilicon inner complex can be moved between coating and the base material and with water and be had an effect, and then forms hydrogen bond or chemical bond with metal on the base material.Add (as silane coupling agent) behind a small amount of silicoorganic compound, not only removed moisture content but also formed the initial sticking power that is better than physical action base material, after its coating, silane can migrate to the interface of coating and ground, with the reaction of moisture content on the substrate surface, hydrolysis generates the silanol base, and then forms hydrogen bond or be condensed into covalent linkage with the hydroxyl of substrate surface, each intermolecular silanol base of silane condensation mutually again simultaneously, oligomerisation forms cancellated film and covers substrate surface.Hydrogen bond and covalent linkage are more than the strong interface interaction power of Van der Waals force, so the total bond energy in the interface between silane and ground exceeds simple physical adsorption far away, therefore present strong initial sticking power to the ground interface, thereby the coating adhesion of brushing under water and other physical and mechanical propertiess are increased, and anticorrosion ability strengthens to some extent.The basic structure of organosilicon inner complex is RnSiX
3, common n=1, X wherein is hydrolyzable radicals R O or RCOO, i.e. alcohol radical or carboxyl, R is CH
3(CH
2)-, m is 1～5, be can not hydrolysis reaction organo-functional group.The moisture content of coupling agent in also can absorbing coating plays the effect of tensio-active agent, influences the adhesive property of pigment and base-material, improves the quality of coating.
The invention has the beneficial effects as follows:
1, the serial ocean heavy-duty coating of the present invention's development is to be base-material with the composite epoxy resin, with modified phenolic amine is solidifying agent, with organosilicon chelating type compound is the solvent-free of additive, the environment-friendly type heavy-duty coating, be characterized in strong adhesion, can (contain seawater) under water and brush, the operation that (contains seawater) under water, the metallic surface rust cleaning is less demanding, can obtain adhesion effect preferably, another characteristics are that the employing composite epoxy resin is a base-material, with the phenolic aldehyde amine mixture is solidifying agent, is the brushing under water of sticking power dose and expelling water agent with the organosilicon inner complex, the solvent-free heavy-duty coating of solidified.This coating has features such as high viscosity, high-density, high solids content, bottom surface unification, once constructs into thickness and can reach hundred microns, increases work efficiency.
2, ocean of the present invention heavy-duty coating belongs to solvent-free or the slightly soluble formulation, and environmentally friendly, VOC content is low, is environmental type coating.
3, ocean of the present invention heavy-duty coating, show through performance test and practical probation, this coating has good mechanical property and antiseptic property, can be used for the relatively harsh place of corrosive environment, as oceanographic equipment, treatment tank, chemical industry equipment and brewage, the corrosion prevention of steel construction, concrete floor and the water tank of chemical workshop, pond jar etc.
4, dosing silicoorganic compound in the heavy-duty coating of ocean of the present invention improves the paint film under the water state and the avidity on substrate to be coated surface is being arranged.This coating system can be in water or air set, normal solidified effect good than in the water in the air.Coating is had bigger avidity to being coated with the surface, makes and adheres to better.Not only have the salient features and the characteristics of no-solvent type heavy-duty coating, its most outstanding characteristics can be brushed under water exactly, be solidified, and also can brush on the coated article interface of humidity and solidify.This coating operation under water is more convenient, can blade coating or brushing, and the St3 level that coated article in the brushing process under water (steel) surface reaches GB8923-88 after treatment gets final product.
Embodiment
The ocean heavy-duty coating, by weight percentage, this coating is made of two kinds of components of A, B, wherein B component (mill base) comprises Resins, epoxy 30～50%, properties-correcting agent 0～10%, sequestrant 0.1～1%, pigment 5～25%, filler 5～20%, thickening material 0.5～2%, dispersion agent 0～0.2%, wetting agent 0.1～0.3%, flow agent 0.2～0.5%, defoamer 0.2～0.4%, described properties-correcting agent comprises the epoxy compounds of simple function group or the epoxy compounds of bifunctional, perhaps is liquid resin, perhaps for not containing the plasticity compound of epoxy group(ing); A component (solidifying agent) comprises phenolic aldehyde amine curing agent 20～30%, ketoimine 0～5%.
The present invention adopts the caking agent of composite Resins, epoxy for this coating, with modified phenolic amine is composite curing agent for epoxy resin, add auxiliary agent organosilicon inner complex (silane coupling agent) as the sticking power toughener, add other auxiliary agents simultaneously, other auxiliary agents comprise thickening material (thixotropic agent), flow agent, defoamer, wetting agent, dispersion agent etc., be the auxiliary agent that often uses in the coating preparation process, thickening material (thixotropic agent) can be selected aerosil or organobentonite class for use.Wetting agent can be selected tensio-active agent for use, as the F108 that adopts Shenzhen Haichuan Company to produce, the F40 that flow agent can select for use Shenzhen Haichuan Company to produce, defoamer can be selected for use silicone based, as the E8 that adopts Shenzhen Haichuan Company to produce, dispersion agent can be selected tensio-active agent for use, contains 170 of coatings additive(s) company limited production as adopting Linan, Zhejiang good fortune.In the mill base component, also contain simultaneously pigment, pigment extender, anticorrosive agent etc., pigment can adopt one of iron mica (ash), iron mica (red), titanium dioxide (rutile-type), carbon black (hard), medium chrome yellow medium yellow or be mixed, and pigment extender (filler) can adopt one of talcum powder and sericite or be mixed.
The Resins, epoxy that adopts among the present invention is liquid epoxies, mainly containing E-51 Resins, epoxy, E-44 Resins, epoxy or two kinds of resins is mixed by arbitrary proportion, composite properties-correcting agent has the epoxy compounds of simple function group or the epoxy compounds of bifunctional, for example epoxy propane butyl ether or polyglycidyl ether etc.; Also can be liquid resin (acrylic resin or Synolac), or their mixture; Also can be plasticity compound or the other materials that does not contain epoxy group(ing), for example dimixo-octyl phthalate, dibutyl phthalate, thiorubber can also be NX-2020 or NX-2013.
The epoxy curing agent that adopts among the present invention is phenolic aldehyde amine or its modifier.The basic structure formula of its phenolic aldehyde amine is;
Wherein-(R
3NH)
n-NH
2Part is a polyamine, and R is C
1-C
20Alkyl or alkene chain or H, n=2～4; R
2, R
3Be C
2-C
5Alkyl or H.
Two ortho positions and a contraposition of phenolic aldehyde amine can be substituted, so the amido side chain can have 1-3, and 1-2 generally speaking.
Composite more in some cases with the kitimine solidifying agent, composite curing agent can solidify and the problem that strengthens sticking power in more effective solution in water.
The preparation technology of described B component is:
1, takes by weighing face, the filler of aequum, carry out drying treatment earlier, carry out preliminary mixing again;
2, the quantitative properties-correcting agent of the used for epoxy resin of aequum is handled after, be deployed into the modified resin thing, add auxiliary agent and mix;
3, will manually mix in step 1 mixture adding step 2 mixture, use GFS1000 type dispersion machine premix again, dispersing speed is 50～200rpm, and the time is 30～60 minutes, it is qualified to be ground to fineness afterwards on SM-405 type three-roll grinder, gets mill base component B;
4, control fineness qualified after, weigh, pack.
In step 3 premix process, because Resins, epoxy viscosity when temperature is low is bigger, the time is grown a bit in the premix process, if Resins, epoxy is heated to about 40 ℃, premix will shorten the time greatly.
The A component is pressed to mix under the formula rate normal temperature and is stirred the back packing.
The preparation method of ocean of the present invention heavy-duty coating is:
(A: B=1: 3～5 weight parts) uniform mixing forms by the coating of above A, B component, stirring also slaking used after 10～15 minutes, use up in 2 hours, construction temperature is between 10～40 ℃, solventless coatings can be with wet trade, can adopt airless spraying and blade coating, Wet-dry, tool all weather operations condition can be brushed after adding an amount of solvent.This coating can be brushed (blade coating or brushing) under water, obtains smooth surface, and is dry very fast, the filming of the underwater curing that physical and mechanical properties is good.The national standard method system of pressing test piece detects, and can reach sticking power 1-2 level (drawing the circle method), impact strength 〉=50Kgcm, the following level of snappiness 2mm.
Embodiment 1
Ocean heavy-duty coating B component (mill base), (%) meter by weight percentage:
Resins, epoxy E51,35%;
Properties-correcting agent (acrylic resin BS), 5%;
Silane coupling agent KH550,0.25%;
Color stuffing:
Iron mica (ash), 7%;
Titanium dioxide (rutile), 15%;
Talcum powder, 6.5%;
Sericite, 5%;
Other auxiliary agents:
Thickening material (organobentonite 881-B), 0.5%;
Wetting agent (F108), 0.25%;
Flow agent (F40), 0.3%;
Defoamer (E8), 0.2%.
Ocean heavy-duty coating A component (solidifying agent):
Pnenolic aldehyde amine hardener, 20%; The phenolic aldehyde amine structural formula is:
Wherein-(R
3NH)
n-NH
2Part is a polyamine, and R is C
12Alkyl, n=2; R
2, R
3Be respectively H ,-CH
2CH
2-.
Ketoimine, 5%.
The A component is the yellowish brown transparent liquid, and the B component is a grey thickness body, and two kinds of components of A, B are by above-mentioned weight ratio uniform mixing, once the brushing dry film is 200 μ m, 1 grade of sticking power, and impact strength 50Kgcm passes through, snappiness 2mm, time of drying: surface drying≤4 hour, do solid work≤24 hours.
Resistance to salt water: in 3% sodium chloride solution, soak 21 days no changes under the normal temperature;
Petrol-resistance: in gasoline, soak 21 days no changes under the normal temperature;
Acid resistance: in 20% sulphuric acid soln, soak under the normal temperature 21 days non-foaming, do not come off;
Alkali resistance: in 20% sodium hydroxide solution, soak under the normal temperature 21 days non-foaming, do not come off.
Embodiment 2
Ocean heavy-duty coating B component (mill base), (%) meter by weight percentage:
Resins, epoxy E51,40%;
Properties-correcting agent (acrylic resin BS), 5%;
Silane coupling agent KH550,0.4%;
Color stuffing:
Iron mica (ash), 5%;
Carbon black (hard), 0.01%;
Titanium dioxide (rutile), 14%;
Talcum powder, 4%;
Sericite, 5%;
Other auxiliary agents:
Thickening material (organobentonite 881-B), 0.9%;
Dispersion agent (170), 0.09%;
Wetting agent (F108), 0.2%;
Flow agent (F40), 0.2%;
Defoamer (E8), 0.2%;
Ocean heavy-duty coating A component (solidifying agent):
Pnenolic aldehyde amine hardener, 22%; The phenolic aldehyde amine structural formula is:
Wherein-(R
3NH)
n-NH
2Part is a polyamine, and R is C
12Alkyl, n=3; R
2, R
3Be respectively H ,-CH
2CH
2-.
Ketoimine, 3%.
The A component is the yellowish brown transparent liquid, and the B component is a grey thickness body, and two kinds of components of A, B are by above-mentioned weight ratio uniform mixing, once the brushing dry film is 100 μ m, 1 grade of sticking power, impact strength 〉=50Kgcm, snappiness 1mm, time of drying: surface drying≤4 hour, do solid work≤24 hours.
Embodiment 3
Ocean heavy-duty coating B component (mill base), (%) meter by weight percentage:
Resins, epoxy E51,34%;
Properties-correcting agent (NX-2020), 6%;
Silane coupling agent, 0.25%;
Color stuffing:
Titanium dioxide (rutile), 22%;
Talcum powder, 6%;
Sericite, 5%;
Other auxiliary agents:
Thickening material (organobentonite), 1%;
Dispersion agent (170), 0.1%;
Wetting agent (F108), 0.25%;
Flow agent (F40), 0.2%;
Defoamer (E8), 0.2%;
Ocean heavy-duty coating A component (solidifying agent):
Pnenolic aldehyde amine hardener, 25%, the phenolic aldehyde amine structural formula is:
Wherein-(R
3NH)
n-NH
2Part is a polyamine, and R is C
12The alkene chain, n=1; R
2, R
3Be respectively H ,-CH
2-CH
2-CH
2-.
The A component is the yellowish brown transparent liquid, and the B component is white thickness body, and two kinds of components of A, B were by 1: 3 weight ratio uniform mixing, once the brushing dry film is 200 μ m, 2 grades of sticking power, impact strength 〉=50Kgcm, snappiness 1mm, time of drying: surface drying≤4 hour, do solid work≤24 hours.
Resistance to salt water: in 3% sodium chloride solution, soak 21 days no changes under the normal temperature;
Petrol-resistance: in gasoline, soak 21 days no changes under the normal temperature;
Acid resistance: in 20% sulphuric acid soln, soak under the normal temperature 21 days non-foaming, do not come off;
Alkali resistance: in 20% sodium hydroxide solution, soak under the normal temperature 21 days non-foaming, do not come off.
Embodiment 4
Ocean heavy-duty coating B component (mill base), (%) meter by weight percentage:
Resins, epoxy E44,42%;
Properties-correcting agent 1 (NX-2013), 4%;
Properties-correcting agent 2 (thiorubber), 4%;
Silane coupling agent, 0.25%;
Color stuffing:
Iron mica (red), 5%;
Titanium dioxide, 11%;
Talcum powder, 3.2%;
Sericite, 4%;
Other auxiliary agents:
Thickening material (organobentonite), 0.8%;
Dispersion agent (170), 0.1%;
Wetting agent (F108), 0.25%;
Flow agent (F40), 0.2%;
Defoamer (E8), 0.2%;
Ocean heavy-duty coating A component (solidifying agent):
Pnenolic aldehyde amine hardener, 24%, the phenolic aldehyde amine structural formula is:
Wherein-(R
3NH)
n-NH
2Part is a polyamine, and R is C
16Alkane, n=1; R
2, R
3Be respectively H ,-CH
2-CH
2-.
Ketoimine, 1%.
The A component is the yellowish brown transparent liquid, and the B component is a rust thickness body, and two kinds of components of A, B were by 1: 3 weight ratio uniform mixing, once the brushing dry film is 200 μ m, 2 grades of sticking power, impact strength 〉=50Kgcm, snappiness 1mm, time of drying: surface drying≤4 hour, do solid work≤24 hours.
Resistance to salt water: in 3% sodium chloride solution, soak 21 days no changes under the normal temperature;
Petrol-resistance: in gasoline, soak 21 days no changes under the normal temperature;
Acid resistance: in 20% sulphuric acid soln, soak under the normal temperature 21 days non-foaming, do not come off;
Alkali resistance: in 20% sodium hydroxide solution, soak under the normal temperature 21 days non-foaming, do not come off.
Embodiment 5
Ocean heavy-duty coating B component (mill base), (%) meter by weight percentage:
Resins, epoxy E44,40%;
Properties-correcting agent 1 (NX-2020), 3%;
Properties-correcting agent 2 (dibutyl phthalate), 3%;
Silane coupling agent, 0.3%;
Color stuffing:
Iron mica (red), 5%;
Carbon black (hard), 0.1%;
Medium chrome yellow medium yellow, 0.05%;
Titanium dioxide, 12.5%;
Talcum powder, 7.5%;
Sericite, 7%;
Other auxiliary agents:
Thickening material (organobentonite), 0.8%;
Dispersion agent (170), 0.1%;
Wetting agent (F108), 0.20%;
Flow agent (F40), 0.25%;
Defoamer (E8), 0.2%;
Ocean heavy-duty coating A component (solidifying agent):
Pnenolic aldehyde amine hardener NX-2015,20%, the phenolic aldehyde amine structural formula is:
Wherein-(R
3NH)
n-NH
2Part is a polyamine, and R is C
8Alkane, n=1; R
2, R
3Be respectively H ,-CH
2CH
2-.
The A component is the yellowish brown transparent liquid, and the B component is dark rust thickness body, and two kinds of components of A, B were by 1: 4 weight ratio uniform mixing, once the brushing dry film is 100 μ m, 2 grades of sticking power, impact strength 〉=50Kgcm, snappiness 1mm, time of drying: surface drying≤4 hour, do solid work≤24 hours.
Claims (9)
1, a kind of ocean heavy-duty coating, it is characterized in that by weight percentage, this coating is by A, two kinds of components of B constitute, wherein B component (mill base) comprises Resins, epoxy 30～50%, properties-correcting agent 0～10%, sequestrant 0.1～1%, pigment 5～25%, filler 5～20%, thickening material 0.5～2%, dispersion agent 0～0.2%, wetting agent 0.1～0.3%, flow agent 0.2～0.5%, defoamer 0.2～0.4%, described properties-correcting agent comprises the epoxy compounds of simple function group or the epoxy compounds of bifunctional, perhaps is liquid resin, perhaps for not containing the plasticity compound of epoxy group(ing); A component (solidifying agent) comprises phenolic aldehyde amine curing agent 20～30%, ketoimine 0～5%.
2, according to the described ocean of claim 1 heavy-duty coating, it is characterized in that: described Resins, epoxy is that E-51 Resins, epoxy, E-44 Resins, epoxy or two kinds of resins are mixed by arbitrary proportion.
3, according to the described ocean of claim 1 heavy-duty coating, it is characterized in that: described properties-correcting agent is epoxy propane butyl ether or polyglycidyl ether, one of acrylic resin or Synolac or be mixed, one of dimixo-octyl phthalate, dibutyl phthalate, thiorubber, NX-2020, NX-2013 or be mixed.
4, according to the described ocean of claim 1 heavy-duty coating, it is characterized in that: described sequestrant is a silane coupling agent.
5, according to the described ocean of claim 1 heavy-duty coating, it is characterized in that: described pigment is one of iron mica, Rutile type Titanium Dioxide, carbon black, medium chrome yellow medium yellow or is mixed.
6, according to the described ocean of claim 1 heavy-duty coating, it is characterized in that: described filler is one of sericite, talcum powder or is mixed.
7, according to the described ocean of claim 1 heavy-duty coating, it is characterized in that: described B component also comprises 0～0.5% anticorrosive agent.
8,, it is characterized in that described phenolic aldehyde amine basic structure formula is according to the described ocean of claim 1 heavy-duty coating:
Wherein-(R
3NH)
n-NH
2Part is a polyamine, and R is C
1-C
20Alkyl or alkene chain or H, n=2～4; R
2, R
3Be C
2-C
5Alkyl or H.
9,, it is characterized in that concrete steps are as follows according to the preparation method of the described ocean of claim 1 heavy-duty coating:
1) preparation B component
A. take by weighing face, the filler of aequum, mixing;
B. with after the quantitative properties-correcting agent of adding is handled in the Resins, epoxy of aequum, add auxiliary agent: sequestrant, thickening material, flow agent, wetting agent, dispersion agent, defoamer, uniform mixing;
C. step a mixture is added in the step b mixture, disperse, be ground to fineness≤60 μ m;
2) the A component is pressed mixing and stirring under the described proportioning normal temperature;
3) above A, B component are pressed A: B=1: 3～5 weight part uniform mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050479 CN1752162A (en) | 2004-09-22 | 2004-09-22 | Marine heavy-duty anticorrosive paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050479 CN1752162A (en) | 2004-09-22 | 2004-09-22 | Marine heavy-duty anticorrosive paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1752162A true CN1752162A (en) | 2006-03-29 |
Family
ID=36679169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410050479 Pending CN1752162A (en) | 2004-09-22 | 2004-09-22 | Marine heavy-duty anticorrosive paint and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1752162A (en) |
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