CN102485806A - Water-based inorganic zinc shop primer, its preparation method and its application - Google Patents
Water-based inorganic zinc shop primer, its preparation method and its application Download PDFInfo
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- CN102485806A CN102485806A CN2010105741793A CN201010574179A CN102485806A CN 102485806 A CN102485806 A CN 102485806A CN 2010105741793 A CN2010105741793 A CN 2010105741793A CN 201010574179 A CN201010574179 A CN 201010574179A CN 102485806 A CN102485806 A CN 102485806A
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- shop primer
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- zinc
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000011701 zinc Substances 0.000 title claims abstract description 38
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000004094 surface-active agent Substances 0.000 claims abstract description 29
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 28
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 23
- -1 heterocyclic organic compound Chemical class 0.000 claims abstract description 18
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000000178 monomer Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 9
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims abstract description 8
- 239000000049 pigment Substances 0.000 claims abstract description 7
- 238000011049 filling Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000000440 bentonite Substances 0.000 claims description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 11
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 10
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 7
- 229920000592 inorganic polymer Polymers 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000416 bismuth oxide Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 239000004111 Potassium silicate Substances 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229910052816 inorganic phosphate Inorganic materials 0.000 claims description 4
- 229910052909 inorganic silicate Inorganic materials 0.000 claims description 4
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052912 lithium silicate Inorganic materials 0.000 claims description 4
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 229930192474 thiophene Natural products 0.000 claims description 4
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 239000010433 feldspar Substances 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical group O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000391 magnesium silicate Substances 0.000 claims description 3
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 3
- 235000019792 magnesium silicate Nutrition 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 3
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 229910003437 indium oxide Inorganic materials 0.000 claims description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical group [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 229920003169 water-soluble polymer Polymers 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 150000002462 imidazolines Chemical class 0.000 claims 2
- 150000003557 thiazoles Chemical class 0.000 claims 2
- 150000003577 thiophenes Chemical class 0.000 claims 2
- 150000001251 acridines Chemical class 0.000 claims 1
- 229940111121 antirheumatic drug quinolines Drugs 0.000 claims 1
- 229910000281 calcium bentonite Inorganic materials 0.000 claims 1
- 150000002460 imidazoles Chemical class 0.000 claims 1
- 125000001484 phenothiazinyl group Chemical class C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 claims 1
- 150000003217 pyrazoles Chemical class 0.000 claims 1
- 150000003233 pyrroles Chemical class 0.000 claims 1
- 150000003248 quinolines Chemical class 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003973 paint Substances 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract 1
- 239000002120 nanofilm Substances 0.000 abstract 1
- 230000037452 priming Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000002987 primer (paints) Substances 0.000 description 43
- 229910000278 bentonite Inorganic materials 0.000 description 10
- 239000002245 particle Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- QENGPZGAWFQWCZ-UHFFFAOYSA-N 3-Methylthiophene Chemical compound CC=1C=CSC=1 QENGPZGAWFQWCZ-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 4
- 239000004110 Zinc silicate Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 235000019352 zinc silicate Nutrition 0.000 description 4
- XSMMCTCMFDWXIX-UHFFFAOYSA-N zinc silicate Chemical compound [Zn+2].[O-][Si]([O-])=O XSMMCTCMFDWXIX-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- BIGYLAKFCGVRAN-UHFFFAOYSA-N 1,3,4-thiadiazolidine-2,5-dithione Chemical compound S=C1NNC(=S)S1 BIGYLAKFCGVRAN-UHFFFAOYSA-N 0.000 description 1
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 101100463787 Pectobacterium carotovorum subsp. carotovorum peh gene Proteins 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical group O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention provides a water-based inorganic zinc shop primer, which comprises a base-material and a curing agent, wherein the base-material comprises zinc, a filling material, pigment, rare earth oxide, a heterocyclic organic compound, a surfactant, water, an anti-settling agent and an antifoaming agent; the curing agent comprises an inorganic high-molecular film forming substrate, anacrylic acid monomer, styrene, methyl acrylate, ethyl acrylate, a dispersant, water, an antifoaming agent and a surfactant. The shop primer is used for ship or large-scale steel structure construction, has excellent anticorrosion performance, and is suitable for high pressure airless spraying to satisfy the production requirements of shop primer streamline, and satisfy the requirements of welding, cutting and the like. and can be used as a priming paint for temporary protection in the process for constructing large-scale heavy steel structures in ship construction factory or large-scale steel structure factory, the protection duration is 3-12 months.
Description
Technical Field
The invention relates to a workshop primer and preparation and application thereof, in particular to a water-based inorganic zinc workshop primer and preparation and application thereof.
Background
The shop primer, also called steel pretreatment primer and maintenance primer, refers to the first primer sprayed after the steel plate is sprayed to a certain level, and has the main function of protecting the steel plate from atmospheric corrosion during manufacturing (including welding, cutting, fire correction and the like), and is widely applied to the construction of ships, large-scale steel structures and the like. For example, in the shipbuilding industry, a large-scale production workshop for pretreatment and spraying workshop primer is generally configured, purchased steel plates are directly sent to the workshop, shot blasting and rust removal are carried out to a certain level by adopting an automatic assembly line, then the workshop primer is sprayed by adopting an automatic high-pressure airless sprayer, and the national standard GB/T6747 meets the requirements on the basic technical parameters of the workshop primer.
The shop primer is different from a heavy anti-corrosion system primer, is a temporary protective primer, has certain performance of preventing a steel plate from being corroded, and has a maintenance period of 3-12 months generally; therefore, the film thickness of the shop primer is required to be thin, the thickness of the shop primer is 15-20 mu m, and the shop primer can be sprayed by high-pressure airless spraying to obtain a uniform coating film.
At present, most of zinc-containing shop primers are solvent-based coatings, toluene, xylene, isopropanol, n-butanol, propylene glycol, ethylene glycol and the like are generally used as solvents, and the organic solvents have odor and high toxicity, are harmful to the health of production and construction personnel, and can pollute the environment. For example, patent 200810040236.2 discloses a high temperature shop primer containing organic solvents such as isopropyl alcohol, butyl alcohol, and xylene. The environmentally friendly inorganic zinc silicate shop primer disclosed in patent 200610103691.3 and the benzene-free high temperature resistant inorganic zinc silicate shop primer disclosed in patent 200810040237.7, while avoiding the use of benzene, still contain other volatile organic solvents. Since the middle of the 80 th century, the limit of environmental protection regulations of all countries in the world on the content of volatile organic solvents in the coating is increasingly strict, so that the water-based anticorrosive coating becomes a research hotspot in the field.
The zinc-rich shop primer contains a certain amount of zinc powder, and the specific gravity of the zinc is 7.14, so that precipitation is easy to generate; meanwhile, the zinc powder is relatively active in nature and is easy to react in an aqueous solution. Therefore, the component containing zinc powder can not contact with water during storage, and is a technical difficulty faced by the water-based zinc-rich primer. Currently available water-borne inorganic zinc silicate primers are typically packaged separately from the zinc powder pigment, mixed when used, and require constant agitation throughout the application process. The water-based inorganic zinc silicate coating has low viscosity, is not suitable for automatic high-pressure airless spraying, and easily causes gun blockage during spraying so as to influence the construction efficiency. In addition, the particle size of the Zn powder used therein is about 45 μm, and the thickness of the coating layer formed by spraying is 100 μm or more, which cannot meet the film thickness requirement of the shop primer.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the water-based inorganic zinc shop primer.
In order to achieve the purpose, the invention adopts the technical scheme that: the water-based inorganic zinc shop primer is characterized by comprising a base material and a curing agent; wherein,
the base material comprises the following components in parts by weight:
zinc: 20-60 parts of (by weight),
filling: 10-50 parts of (A) a solvent,
pigment: 3-20 parts of (by weight),
rare earth oxide: 0 to 4 parts of (A) to (B),
heterocyclic organic compounds: 0.45 to 3 portions of the raw materials,
surfactant (b): 0.1-1 part of (A) to obtain,
water: 15-40 parts of (A) a water-soluble polymer,
anti-settling agent: 0.2-2 parts of (A) to (B),
defoaming agent: 0.07-0.7 parts;
the curing agent comprises the following components in parts by weight:
inorganic polymer film-forming material: 10-30 parts of (by weight),
acrylic acid monomer: 0 to 8 portions of the components are added,
styrene: 2-8 parts of (by weight),
methyl acrylate: 0 to 4 parts of (A) to (B),
ethyl acrylate: 0 to 4 parts of (A) to (B),
dispersing agent: 0.5-2 parts of (A) to (B),
water: 14-35 parts of (A), and (B),
defoaming agent: 0 to 0.05 portion of the mixture of the components,
surfactant (b): 0 to 0.15 portion.
Preferably, the water-based inorganic zinc shop primer provided by the invention is characterized by comprising a base material and a curing agent; wherein the base material comprises the following components in parts by weight:
zinc: 20-50 parts of (by weight),
filling: 10-15 parts of (by weight),
pigment: 5-8 parts of (by weight),
rare earth oxide: 1-2 parts of (A) a solvent,
heterocyclic organic compounds: 1 to 1.5 portions of the raw materials,
surfactant (b): 0.5 to 0.8 portion of,
water: 20-25 parts of (by weight),
anti-settling agent: 1 to 1.5 portions of the raw materials,
defoaming agent: 0.4-0.7 part;
the curing agent comprises the following components in parts by weight:
inorganic polymer film-forming material: 10-15 parts of (by weight),
acrylic acid monomer: 2-4 parts of (A), and (B),
styrene: 2-4 parts of (A), and (B),
methyl acrylate: 1-2 parts of (A) a solvent,
ethyl acrylate: 1-2 parts of (A) a solvent,
dispersing agent: 0.8 to 1.2 portions of,
water: 28-32 parts of (by weight),
defoaming agent: 0 to 0.05 portion of the mixture of the components,
surfactant (b): 0 to 0.15 portion.
Preferably, the zinc is spherical zinc powder or flaky zinc powder, the particle size of the spherical zinc powder is 2-5 microns, the diameter-thickness ratio of the flaky zinc powder is 5-10: 1, and the major diameter of the flaky zinc powder is 10-20 microns.
Preferably, the filler is selected from one or more of kaolin, feldspar powder, barite powder, precipitated barium sulfate, calcium silicate, magnesium silicate, ground calcium carbonate (heavy calcium), bentonite or silica.
Preferably, the pigment is selected from one or more of zinc phosphate, zinc oxide, iron oxide red, titanium dioxide, ferrophosphorus powder or ferrotitanium powder.
Preferably, the rare earth oxide is indium oxide, bismuth oxide or a mixture thereof.
Preferably, the heterocyclic organic compound is selected from phenothiazine and its derivatives, thiophene and its derivatives, pyrrole and its derivatives, pyrazole and its derivatives, imidazole and its derivatives, thiazole and its derivatives, acridine and its derivatives, quinoline and its derivatives, imidazoline and its derivatives, or triphenylphosphine and its derivatives. The heterocyclic organic compound can be well combined with metal zinc powder (or zinc sheets) and adsorbed on the surface of the metal zinc to form a capsule protective film. Preferably, the heterocyclic organic compound is selected from the group consisting of thiazole and derivatives thereof, imidazoline and derivatives thereof, thiophene and derivatives thereof. More preferably, the heterocyclic organic compound is selected from the group consisting of imidazoline quaternary ammonium salt, 3-Methylthiophene (MBTS), 2, 5-dimercapto-1, 3, 4-thiadiazole (DMTD).
The surfactant in the base stock can be cationic surfactant, anionic surfactant and nonionic surfactant. The surfactants can be well adsorbed on a capsule protective film formed by heterocyclic organic compounds, so that the zinc metal and the medium are further separated to form a good separation layer.
The surfactant in the curing agent is an anionic or nonionic surfactant.
Preferably, the inorganic polymer film-forming substance is one or a mixture of two of inorganic silicate and inorganic phosphate.
Preferably, the inorganic silicate is selected from one or more of potassium silicate, sodium silicate, lithium silicate or ammonium silicate; the inorganic phosphate is one or a mixture of two of polymerized aluminum phosphate and potassium pyrophosphate.
Preferably, the anti-settling agent is modified montmorillonite.
Preferably, the dispersant is a condensate of an isomeric alcohol and ethylene oxide.
Preferably, the defoaming agent is an organic silicon product.
The base material and the curing agent of the water-based inorganic zinc shop primer provided by the invention are stored separately and are mixed when in use. Wherein: the base material takes a heterocyclic organic compound and a surfactant as a zinc corrosion inhibition wrapping object to ensure that the zinc powder is prevented from contacting with a medium, so that the zinc powder is stably stored in an aqueous medium and uniformly dispersed; the curing agent takes an inorganic polymer film-forming substance as a main component, and when the base material is mixed with the curing agent, the protective film on the surface of the zinc powder can be opened.
The invention further discloses a preparation method of the water-based inorganic zinc shop primer, which is characterized by comprising the following steps:
the preparation method of the base material comprises the following steps: according to the proportion, firstly, water, a filler, a rare earth oxide, a surfactant and a heterocyclic organic compound are mixed and uniformly dispersed, and then other components are added and uniformly stirred;
the preparation method of the curing agent comprises the following steps: mixing acrylic monomer, styrene, methyl acrylate and ethyl acrylate according to the proportion, heating to 75-115 ℃, and reacting for 2-8 hours; then adding a dispersing agent, a defoaming agent, a surfactant and water, uniformly mixing, cooling to room temperature, adding an inorganic polymer film-forming material, and uniformly stirring to obtain the curing agent.
In the invention, the weight ratio of the base material to the curing agent is 1-2: 1.
The invention takes zinc slurry which is stably coated and uniformly dispersed in a water-based medium as a base material, and prepares a two-component water-based inorganic zinc shop primer with a curing agent containing an inorganic film forming material. The paint is used for workshop primer for ship or large steel structure construction, has excellent corrosion resistance, can be suitable for high-pressure airless spraying to meet the production requirements of workshop primer production lines, and can also meet the requirements of welding, cutting and the like. The water-based inorganic zinc shop primer provided by the invention can be widely used as a primer for temporary protection of large heavy steel structures in the construction process of ship construction plants or large steel structure plants and the like, and the protection period is 3-12 months.
Detailed Description
The invention is further illustrated by the following examples. It should be understood that these examples are only for illustrating the present invention, and are not to be construed as limiting the scope of the present invention.
Example 13 month anticorrosion shop primer
The formula of the base material is as follows:
124 kg of spherical zinc powder (with the particle size of 2-5 microns)
Flake zinc powder (length diameter 15-20 micron) 16 kg
5 kg of silicon dioxide
120 kg of barium sulfate
50 kg of titanium dioxide
200 kg of water
Otto 1 kg
Imidazoline Quaternary ammonium salt 3 kg
Surfactant RHODAPON BOS 1 kg (Rodiya Co.)
Anti-settling agent ST-11.2 kg (Henan Xinyang city Tiantaifengsen bentonite factory)
Defoaming agent BYK-0170.5 kg (Pick company)
The formula of the curing agent is as follows:
lithium silicate: 600 kg
Acrylic acid monomer: 10 kg of
Styrene: 40 kg of
Methyl acrylate: 20 kg of
Ethyl acrylate: 20 kg of
Defoaming agent BYK-0171 kg (Bike company)
Dispersant E-130210 kg (Jiangsu Haian petrochemical company)
310 kg of water
Preparing a base material: 200 kg of purified water, 5 kg of silicon dioxide, 1 kg of ITO, 1 kg of surfactant and 3 kg of imidazoline quaternary ammonium salt are added into a paint mixing cylinder, the high speed is 1200 r/min, and the dispersion is carried out for 10 minutes. Then adding the rest powder and stirring uniformly to obtain the base material. The base material can be placed for 6 months at room temperature, and has good appearance after being unsealed, excellent fluidity and no deterioration.
Preparation of the curing agent: adding 10 kg of acrylic monomer, 40 kg of styrene, 20 kg of methyl acrylate and 20 kg of ethyl acrylate into a reaction kettle, heating to 93 +/-5 ℃, reacting for 6 hours, adding a surfactant and a defoaming agent, adding water, cooling to room temperature, and adding lithium silicate to obtain the curing agent.
The shop primer coating is prepared by uniformly mixing a base material and a curing agent according to the weight ratio of 2 to 1.
Example 2 six month corrosion resistant waterborne shop primer
The formula of the base material is as follows:
12 kg of bentonite
456 kg of spherical zinc powder (particle size 2-5 microns)
144 kg of flake zinc powder (with the length diameter of 15-20 microns)
280 kg of barium sulfate
Magnesium silicate 115 kg
124 kg of ferrophosphorus powder
400 kg of water
Otto 1.5 kg
4.5 kg of MBTS (3-methylthiophene)
Surfactant RHODAPON PEH 1 kg (Rodiya corporation)
Anti-settling agent ST-32 kg (Henan Xinyang city Tiantaifengsen bentonite factory)
Defoaming agent BYK-0190.7 kg (Pick company)
The formula of the curing agent is as follows:
600 kg of sodium silicate
Styrene 40 kg
20 kg of methyl acrylate
20 kg of ethyl acrylate
280 kg of water
Dispersant E-130810 kg (Jiangsu Haian petrochemical company)
Defoaming agent BYK-0191 kg (Pick company)
Preparing a base material: 400 kg of purified water, 12 kg of bentonite, 1.5 kg of ITO, 1 kg of surfactant and 4.5 kg of MBTS are added into a paint mixing cylinder, the high speed is 1200 r/min, and the dispersion is carried out for 10 minutes. Then adding the rest powder and stirring uniformly to obtain the base material. The base material can be placed for 6 months at room temperature, and has good appearance after being unsealed, excellent fluidity and no deterioration.
Preparation of the curing agent: adding 40 kg of styrene, 20 kg of methyl acrylate and 20 kg of ethyl acrylate into a reaction kettle, heating to 88-98 ℃, reacting for 7 hours, adding a dispersing agent and a defoaming agent, adding water, cooling to room temperature, and adding sodium silicate to obtain the curing agent.
The shop primer coating is prepared by uniformly mixing a base material and a curing agent according to the weight ratio of 1.8 to 1.
Example 312 month corrosion resistant waterborne shop primer
The formula of the base material is as follows:
10 kg of bentonite
15 kg of silicon dioxide
540 kg of spherical zinc powder (particle size of 2-5 microns)
40 kg of flaky zinc powder (with the length diameter of 15-20 microns)
Ferrophosphorus powder 50 kg
170 kg of water
Bismuth oxide 2 kg
DMTD5 kg
207 kg of heavy calcium
Surfactant RHODAPON BOS 1 kg (Rodiya Co.)
Anti-settling agent ST-42.5 kg (Henan Xinyang city Tiantaifengsen bentonite factory)
Defoaming agent BYK-0190.8 kg (Pick company)
The formula of the curing agent is as follows:
600 kg of potassium silicate
Acrylic acid monomer: 20 kg of
Styrene 40 kg
20 kg of methyl acrylate
20 kg of ethyl acrylate
310 kg of water
Dispersant E-130610 kg (Jiangsu Haian petrochemical company)
Defoaming agent BYK-0191 kg (Pick company)
Surfactant SOKALAN PA25CL 3 kg
Preparing a base material: 170 kg of purified water, 10 kg of bentonite, 15 kg of silicon dioxide, 2 kg of bismuth oxide, 1 kg of surfactant and 5 kg of DMTD are mixed into a paint mixing cylinder at high speed of 1200 r/min and dispersed for 10 minutes. Then adding the rest powder and stirring uniformly to obtain the base material. The base material can be placed for 6 months at room temperature, and has good appearance after being unsealed, excellent fluidity and no deterioration.
Preparation of the curing agent: adding 20 kg of acrylic monomer, 40 kg of styrene, 20 kg of methyl acrylate and 20 kg of ethyl acrylate into a reaction kettle, heating to 95 ℃, reacting for 5 hours, adding a surfactant and a defoaming agent, adding water, cooling to room temperature, and adding potassium silicate to obtain the curing agent.
The shop primer coating is prepared by uniformly mixing a base material and a curing agent according to the weight ratio of 2 to 1.
Example 4
The formula of the base material is as follows:
120 kg of spherical zinc powder (particle size of 2-5 microns)
Calcium silicate 90 kg
Feldspar powder 10 kg
18 kg of ferrotitanium powder
90 kg of water
Imidazoline Quaternary ammonium salt 18 kg
Surfactant RHODAPON BOS 6 kg (Rodiya Co.)
Anti-settling agent ST-16 kg (Henan Xinyang city Tiantaifengsen bentonite factory)
Defoaming agent BYK-0171.8 kg (Pick company)
The formula of the curing agent is as follows:
aluminum tripolyphosphate: 300 kg of
Acrylic acid monomer: 80 kg of
Styrene: 40 kg of
Ethyl acrylate: 40 kg of
Dispersant E-130220 kg (Jiangsu Haian petrochemical company)
350 kg of water
Surfactant SOKALAN PA25CL 1.5.5 kg
The preparation method is the same as example 1. The prepared base material can be placed for 6 months at room temperature, and has good appearance after being unsealed, excellent fluidity and no deterioration.
The shop primer coating is prepared by uniformly mixing a base material and a curing agent according to the weight ratio of 1 to 1.
Example 5
The formula of the base material is as follows:
kaolin soil 30 kg
70 kg of silicon dioxide
350 kg of heavy calcium
540 kg of spherical zinc powder (particle size of 2-5 microns)
Flake zinc powder (length diameter 15-20 micron) 60 kg
Zinc phosphate 180 kg
360 kg of water
36 kg of bismuth oxide
DMTD 9 kg
Surfactant RHODAPON BOS 2 kg (Rodiya Co.)
Anti-settling agent ST-418 kg (Henan Xinyang city Tiantaifengsen bentonite factory)
Defoaming agent BYK-0196 kg (Pick company)
The formula of the curing agent is as follows:
600 kg of potassium pyrophosphate
Acrylic acid monomer: 120 kg of
480 kg of styrene
240 kg of methyl acrylate
900 kg of water
Dispersant E-130630 kg (Jiangsu Haian petrochemical company)
Defoaming agent BYK-0193 kg (Pick company)
Surfactant SOKALAN PA25CL 9 kg
The preparation method is the same as example 1. The prepared base material can be placed for 6 months at room temperature, and has good appearance after being unsealed, excellent fluidity and no deterioration.
The shop primer coating is prepared by uniformly mixing a base material and a curing agent according to the weight ratio of 1 to 1.
The shop primer obtained in the above examples was tested according to the GB6747-2008 and HBC12-2004 standards, and the various performance data are shown in the following table:
Claims (11)
1. The water-based inorganic zinc shop primer is characterized by comprising a base material and a curing agent; wherein,
the base material comprises the following components in parts by weight:
zinc: 20-60 parts of (by weight),
filling: 10-50 parts of (A) a solvent,
pigment: 3-20 parts of (by weight),
rare earth oxide: 0 to 4 parts of (A) to (B),
heterocyclic organic compounds: 0.45 to 3 portions of the raw materials,
surfactant (b): 0.1-1 part of (A) to obtain,
water: 15-40 parts of (A) a water-soluble polymer,
anti-settling agent: 0.2-2 parts of (A) to (B),
defoaming agent: 0.07-0.7 parts;
the curing agent comprises the following components in parts by weight:
inorganic polymer film-forming material: 10-30 parts of (by weight),
acrylic acid monomer: 0 to 8 portions of the components are added,
styrene: 2-8 parts of (by weight),
methyl acrylate: 0 to 4 parts of (A) to (B),
ethyl acrylate: 0 to 4 parts of (A) to (B),
dispersing agent: 0.5-2 parts of (A) to (B),
water: 14-35 parts of (A), and (B),
defoaming agent: 0 to 0.05 portion of the mixture of the components,
surfactant (b): 0 to 0.15 portion.
2. The aqueous inorganic zinc shop primer according to claim 1, wherein the zinc is a spherical zinc powder or a flake zinc powder.
3. The aqueous inorganic zinc shop primer according to claim 1, wherein the filler is selected from the group consisting of kaolin, feldspar powder, barite powder, precipitated barium sulfate, calcium silicate, magnesium silicate, ground calcium carbonate, bentonite or a mixture of one or more of silica.
4. The aqueous inorganic zinc shop primer according to claim 1, wherein the pigment is selected from the group consisting of zinc phosphate, zinc oxide, red iron oxide, titanium dioxide, ferrophosphorus powder or a mixture of one or more of ferrotitanium powder.
5. The aqueous inorganic zinc shop primer according to claim 1, wherein the rare earth oxide is indium oxide, bismuth oxide or a mixture thereof.
6. The aqueous inorganic zinc shop primer according to claim 1, wherein the heterocyclic organic compound is selected from phenothiazines and derivatives thereof, thiophenes and derivatives thereof, pyrroles and derivatives thereof, pyrazoles and derivatives thereof, imidazoles and derivatives thereof, thiazoles and derivatives thereof, acridines and derivatives thereof, quinolines and derivatives thereof, imidazolines and derivatives thereof, or triphenylphosphine and derivatives thereof.
7. The aqueous inorganic zinc shop primer according to claim 6, wherein the heterocyclic organic compound is selected from the group consisting of thiazoles and derivatives thereof, imidazolines and derivatives thereof, thiophenes and derivatives thereof.
8. The aqueous inorganic zinc shop primer according to any one of claims 1 to 7, wherein the inorganic polymeric film-forming substance is one or a mixture of inorganic silicates and inorganic phosphates.
9. The aqueous inorganic zinc shop primer according to claim 8, wherein the inorganic silicate is selected from the group consisting of potassium silicate, sodium silicate, lithium silicate or a mixture of one or more of ammonium silicate; the inorganic phosphate is one or a mixture of two of polymerized aluminum phosphate and potassium pyrophosphate.
10. The method of preparing a waterborne inorganic zinc shop primer according to any of claims 1 to 9, wherein:
the preparation method of the base material comprises the following steps: according to the proportion, firstly, water, filler, rare earth oxide, surfactant and heterocyclic organic compound are mixed and dispersed uniformly, and then other components are added and stirred uniformly;
the preparation method of the curing agent comprises the following steps: mixing acrylic monomer, styrene, methyl acrylate and ethyl acrylate according to the proportion, heating to 75-115 ℃, and reacting for 2-8 hours; then adding a dispersing agent, a defoaming agent, a surfactant and water, uniformly mixing, cooling to room temperature, adding an inorganic polymer film-forming material, and uniformly stirring to obtain the curing agent.
11. Use of the aqueous inorganic zinc shop primer according to any one of claims 1 to 9 for temporary protection during construction of heavy steel structures.
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| CN105017810A (en) * | 2015-07-25 | 2015-11-04 | 铜陵瑞莱科技有限公司 | Iron oxide black pigment for polishing and preparation method thereof |
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