CN105038464B - Aqueous highly corrosion resistant coating and preparation method and application with excellent punching - Google Patents
Aqueous highly corrosion resistant coating and preparation method and application with excellent punching Download PDFInfo
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- CN105038464B CN105038464B CN201510574508.7A CN201510574508A CN105038464B CN 105038464 B CN105038464 B CN 105038464B CN 201510574508 A CN201510574508 A CN 201510574508A CN 105038464 B CN105038464 B CN 105038464B
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- 238000000576 coating method Methods 0.000 title claims abstract description 151
- 239000011248 coating agent Substances 0.000 title claims abstract description 136
- 238000005260 corrosion Methods 0.000 title claims abstract description 89
- 230000007797 corrosion Effects 0.000 title claims abstract description 86
- 238000004080 punching Methods 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000013530 defoamer Substances 0.000 claims abstract description 10
- 239000002562 thickening agent Substances 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 6
- 239000011247 coating layer Substances 0.000 claims abstract description 6
- 239000006184 cosolvent Substances 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000000839 emulsion Substances 0.000 claims description 14
- 238000010422 painting Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 8
- 239000000194 fatty acid Substances 0.000 claims description 8
- 229930195729 fatty acid Natural products 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- -1 fatty acid ester Chemical class 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004695 Polyether sulfone Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 210000003298 dental enamel Anatomy 0.000 claims description 3
- 229920006393 polyether sulfone Polymers 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- LAVARTIQQDZFNT-UHFFFAOYSA-N 1-(1-methoxypropan-2-yloxy)propan-2-yl acetate Chemical compound COCC(C)OCC(C)OC(C)=O LAVARTIQQDZFNT-UHFFFAOYSA-N 0.000 claims description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 2
- QBDAFARLDLCWAT-UHFFFAOYSA-N 2,3-dihydropyran-6-one Chemical compound O=C1OCCC=C1 QBDAFARLDLCWAT-UHFFFAOYSA-N 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- 239000002174 Styrene-butadiene Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 229920003180 amino resin Polymers 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 229920003086 cellulose ether Polymers 0.000 claims description 2
- 239000007822 coupling agent Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 150000002148 esters Chemical group 0.000 claims 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 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 2
- 229920005615 natural polymer Polymers 0.000 claims description 2
- 125000005375 organosiloxane group Chemical group 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920001225 polyester resin Polymers 0.000 claims description 2
- 239000004645 polyester resin Substances 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- 239000011115 styrene butadiene Substances 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 150000005846 sugar alcohols Polymers 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical group CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- RAADJDWNEAXLBL-UHFFFAOYSA-N 1,2-di(nonyl)naphthalene Chemical compound C1=CC=CC2=C(CCCCCCCCC)C(CCCCCCCCC)=CC=C21 RAADJDWNEAXLBL-UHFFFAOYSA-N 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims 1
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 36
- 239000007921 spray Substances 0.000 abstract description 14
- 238000005452 bending Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000007935 neutral effect Effects 0.000 abstract description 3
- 239000005030 aluminium foil Substances 0.000 description 19
- 239000002994 raw material Substances 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000009835 boiling Methods 0.000 description 8
- 239000002585 base Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000012752 auxiliary agent Substances 0.000 description 5
- 239000011256 inorganic filler Substances 0.000 description 5
- 229910003475 inorganic filler Inorganic materials 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- ONUJSMYYXFLULS-UHFFFAOYSA-N 2-nonylnaphthalene-1-sulfonic acid Chemical class C1=CC=CC2=C(S(O)(=O)=O)C(CCCCCCCCC)=CC=C21 ONUJSMYYXFLULS-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 241001272567 Hominoidea Species 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- HYXIRBXTCCZCQG-UHFFFAOYSA-J [C+4].[F-].[F-].[F-].[F-] Chemical class [C+4].[F-].[F-].[F-].[F-] HYXIRBXTCCZCQG-UHFFFAOYSA-J 0.000 description 1
- FIPIDANNIYPUTG-UHFFFAOYSA-N [O-][Cr]([O-])(=O)=O.P.[Zn+2] Chemical compound [O-][Cr]([O-])(=O)=O.P.[Zn+2] FIPIDANNIYPUTG-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 229940014259 gelatin Drugs 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000008601 oleoresin Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
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- 239000004408 titanium dioxide Substances 0.000 description 1
Abstract
The invention belongs to surface antiseptisis technology field, a kind of aqueous highly corrosion resistant coating with excellent punching and its preparation method and application is disclosed.The coating includes the component of following mass parts：25~60 parts of water-base resin；2~8 parts of water cross-linking agent；0.1~0.5 part of catalyst；4~10 parts of cosolvent；0.1~1 part of levelling agent；0.1~10 part of lubricant；Aqueous 2~10 parts of toughened resin；0.1~0.5 part of defoamer；0.5~3 part of thickener；Water surplus；The gross mass part of said components is 100 parts.The aqueous highly corrosion resistant coating of the present invention, using water-base resin as film forming matter, with good workability, quick solidifying, coating layer thickness is at 2~5 μm, you can obtain superpower corrosion resistance, resistance to neutral salt spray performance is more than 2000 hours, acid resistance salt fog is more than 500h, and corrosion class can reach more than 9.8, and coating salt spray resistance is stamped or bending after still keep constant.
Description
Technical field
The invention belongs to surface antiseptisis technology field, more particularly to a kind of aqueous highly corrosion resistant with excellent punching is applied
Material and its preparation method and application.
Background technology
Surface anticorrosion field, particularly Metal surface anti-corrosion field technology common at present, it is use solvent borne system more, with
Oleoresin is film forming matter, and the solvent of high content brings burden to environment, or contains the harmful substances such as some heavy metals, the feature of environmental protection
It is not good, and it is designed as double-component system more, there are special requirement to the useful life of coating, coating useful life is short；Moreover adopt more
Holiday is made up with the adding method of inorganic fillers, coating antiseptic is improved.But inorganic fillers are big due to hardness, punching
The abrasion brought during system to punching die is big, and coating itself can also be destroyed, and inorganic fillers influence coating gloss,
The coating obtained is opaque, and being unsuitable for some has the application of specific demand to gloss；In addition coating surface performance pair is not considered
The influence of punching so that be easily damaged after coating punching, forms weak spot, after corrosive medium is run into i.e. from weakness gradually
Corrosion；Or do not consider influence of the film flexibility to coating, when coating is impacted or during bending, coating embrittlement may be caused,
Coating weak spot is similarly formed, corrosion resistance is influenceed.Meanwhile, salt spray resistance is not good, it is necessary to which higher film thickness can just be carried
High salt spray resistance, indirectly improves painting cost, and coating need the longer time could dry solidification, be unsuitable for roller coat
Mass production methods.
As patent CN103273700A and CN103275602A describe a kind of oily modified epoxy height of coated aluminum foil
Corrosion resistant coating.The film forming matter of the technical scheme is oil-soluble resin, except film forming matter and curing agent, catalyst, toughness reinforcing
Agent, remaining ingredient is solvent (ethylene glycol monobutyl ether, propylene glycol methyl ether acetate) close to 60%.
Patent CN103275598B discloses a kind of preventing again for large-scale steel equipment such as bridge, power transmission tower, steamer etc.
Rotten finish paint.Coating is divided into A/B components and used, and the solvent that wherein AB components are included is toluene, dimethylbenzene and n-butanol, isopropyl
One or more of mixed solvents in alcohol, cyclohexanone, butyl acetate.Coating disclosed in the apparent patent is a kind of solvent
Property coating, in addition A/B components mixing after system it is unstable, its service life only has 6~8 hours.
Patent CN104693914A discloses a kind of water-based anticorrosive paint in steel protection field and preparation method thereof, the painting
Material is only capable of reaching the salt fog of 200 hours under 15 microns of thicknesses of layers.And various fillers are employed, for coating
Punching processing is very unfavorable.
Patent CN104530911A discloses a kind of high-performance water-based Environment-friendlyanti-corrosive anti-corrosive paint for metal base.The patent
Technology salt fog reaches 1500 hours, but has the following disadvantages：Realized by way of double-component, useful life is short；In formula
Inorganic filler is with the addition of, the shaping punching of coating is influenceed；And used critical materials mussel attachment proteins is biological agent, and
It is unfavorable for the industrial applications of coating, cost is also higher.
Patent CN102020908A discloses a kind of with excellent water resistance and salt fog resistance water corrosion-resistant epoxy paint, should
Patent has synthesized a kind of response type water-base epoxy emulsifying agent, and good emulsification is played to epoxy resin, obtain particle diameter it is smaller,
The aqueous epoxy emulsion of excellent in stability.But inorganic filler is with the addition of in formula includes phosphorus zinc chromate, titanium dioxide, constitution filler
Deng the punching for coating is unfavorable, and the salt fog performance of this external coating does not make detailed statement.
The content of the invention
In order to overcome the shortcomings and deficiencies of the prior art described above, primary and foremost purpose of the invention is to provide a kind of with excellent
The aqueous highly corrosion resistant coating of punching.The low VOC emission of the coating, one-component system, and without inorganic matter, without thickness painting,
2~5 μm of coating thickness can obtain good corrosion resistance；Special resin or auxiliary agent are added, coating surface lubricity is improved, from
And punching is good, punching destruction is not resulted in, also will not be from the weak spot corrosion of punching；Special resin or auxiliary agent are selected, is improved
Film flexibility, improves tolerance of the coating to impact and bending, it is to avoid coating embrittlement causes weak spot, further improves it and prevents
Corruption.
Another object of the present invention is to provide a kind of preparation of the above-mentioned aqueous highly corrosion resistant coating with excellent punching
Method.
Still a further object of the present invention is to provide the above-mentioned aqueous highly corrosion resistant coating with excellent punching in metal surface
Application in process field, is particularly suitable for use in aluminum foil coiled material manufacture field.
The purpose of the present invention is realized by following proposal：
A kind of aqueous highly corrosion resistant coating with excellent punching, includes the component of following mass parts：
The gross mass part of said components is 100 parts.
Wherein, described water-base resin is preferably water-based acrylic resin, watersoluble modified acrylic acid resin, aqueous benzene second
At least one in alkene-acrylic copolymeric resin, aqueous epoxy resins, watersoluble modified epoxy resin and aqueous polyester resin.
Described water cross-linking agent is preferably amino resins, isocyanates, silane coupler, titanium coupling agent, polybasic carboxylic acid
With at least one in polyamine.
Described catalyst can be p-methyl benzenesulfonic acid, DBSA, sulfamic acid, dinonylnaphthalene disulfonic acid and two
At least one in nonyl naphthalene sulfonic acids.
Described cosolvent can be ethanol, n-butanol, the tert-butyl alcohol, isobutanol, normal propyl alcohol, isopropanol, propylene glycol monomethyl ether, third
At least one in glycol butyl ether, propylene glycol methyl ether acetate, dipropylene glycol methyl ether and dipropylene glycol methyl ether acetate.
Described levelling agent can be esters of acrylic acid levelling agent, organic silicon modified by polyether oxygen alkanes levelling agent, Organic fluoride carbon
Class levelling agent, APES, anion surfactant, nonionic surfactant, surface tension can be reduced
Containing ehter bond compound and can reduce surface tension contain amphiphilic group compound at least one.
Described lubricant can be organic silicon emulsion, organic fluorine emulsion, fluoro-silicone emulsion, silicone acrylic emulsion, wax emulsion, polytetrafluoro
At least one in vac emulsion, aqueous aliphatic acid, aqueous fatty acid amide, aqueous fatty acid ester and aqueous fatty acid metal soaps
Kind is either organosilicon, Organic fluoride, the water-base resin of fatty acid ester modification or is organosilicon, the chemical combination of organic fluorine richness
Thing.
Described aqueous toughened resin can be waterborne polyester polyalcohol, aqueous polyamide, aqueous styrene-butadiene emulsion, aqueous polyethers
At least one in sulphone resin and aqueous polyurethane.
Described defoamer can be mineral oil defoaming agent, polyethers defoamer, organosiloxane class defoamer and polyethers
At least one in azo polyether polyeste class defoamer.
Described thickener can be cellulose ether and its derivative species thickener, polyacrylate-type thickeners, polyurethane
In thickener, natural polymer and its derivative (such as gelatin, sodium alginate, guar gum have the compound of thickening power)
It is at least one.
The aqueous highly corrosion resistant coating with excellent punching of the present invention can be made by conventional coating concocting method, such as
Stirred after said components are mixed in proportion and obtain coating.The aqueous highly corrosion resistant coating of the present invention it is solid containing about 20~
40%, viscosity measures to apply -4 glasss, 20s~2min.
Application of the aqueous highly corrosion resistant coating with excellent punching of the present invention in field of metal surface treatment, it is special
Not suitable for aluminum foil coiled material manufacture field.It is above-mentioned when aqueous highly corrosion resistant coating of the present invention with excellent punching is carried out
Using when, two ways can be used.
One be as described above, by the present invention coating each component mix in proportion after, be directly coated on and wait to locate
Manage metal surface.
Secondly pending metal is coated twice for coating of the present invention point primary coat and face can be applied, wherein, primary coat bag
The compositions such as property of water-bearing resin, water cross-linking agent, catalyst, cosolvent, levelling agent, aqueous toughened resin, defoamer, thickener,
Face is applied comprising compositions such as water-base resin, cosolvent, levelling agent, lubricant, defoamers.Primary coat is coated on pending metal surface
Afterwards, it is coated with face painting.The anti-corrosion protection of metal material surface is acted on using primary coat, face, which applies modification further to primary coat, makes it
Surface has lubricity and hydrophobicity, so that with good punching and the shielding to water.
After the component of above-mentioned primary coat is well mixed, preferably adjust it is solid to contain be 20~40%, viscosity for apply -4 glasss of measurement 20s~
2min.After the component that face is applied is well mixed, preferably adjust solid containing being 5~15%, viscosity is to apply -4 glasss of measurement 12s~20s.
The aqueous highly corrosion resistant coating with excellent punching of the invention described above is applied in metal surface anticorrosive, special
It is not aluminium foil surface anti-corrosion, its direct application technique is preferably as follows：Aluminium foil-degreasing-drying-roll coat enamel, wherein roller coat
Coating toasts 20~60s through 200~300 DEG C of baking ovens, obtains the coating of 2~5 μm of dried film thickness；
Above-mentioned apply coating of the present invention point primary coat and face is coated twice, and its technique for applying is preferably as follows：Aluminium foil-de-
Fat-drying-roller coat bottom-coating-drying-roller coat painting coating-drying, wherein roller coat bottom-coating is through 200~300 DEG C of baking ovens
20~60s is toasted, the primary coat coating of 2~5 μm of dried film thickness is obtained；Roller coat painting coating toasts 15 through 150~300 DEG C of baking ovens~
40s, obtains the face coating layer of 0.5~1 μm of dried film thickness.
Coating obtained by the aqueous highly corrosion resistant coating with excellent punching of the present invention has excellent decay resistance,
Wherein, resistance to 10%NaOH immersion, 60min coatings are without bubbling and come off；Water resistance, is tested, coating by resistance to boiling accelerated test
It is soaked in 60min in boiling water, no discoloration or foaming, obscission；Resistance to neutral salt spray performance is more than 2000 hours, acid resistance salt fog
More than 500h, corrosion class can reach more than 9.8.
The present invention mechanism be：
The present invention provides a kind of aqueous highly corrosion resistant coating with excellent punching, using water-base resin as film forming matter, with
Aqueous polyfunctional group curing agent formation crosslinking curing system, using water and a small amount of cosolvent as diluent, obtains a kind of without inorganic
The pure organic water borne coating composition of filler, and be one-component system；By the preferred of water-base resin and curing agent, obtain good
Corrosion resistance, while adding special auxiliary agent improves coating surface lubricity, improve coating punching, it is to avoid coating is broken because of punching
It is bad to cause defect to cause corrosion, and this analog assistant can assign coating surface hydrophobic property, so as to strengthen coating to corrosive medium
Shielding action, further improve coating anticorrosive property；Special resin or auxiliary agent are selected, film flexibility is improved, improves and applies
Tolerance of the layer to impact and bending, it is to avoid coating embrittlement causes weak spot, further improves its anti-corrosive properties；And coating of the present invention
The coating method of roller coat is preferably used in application process, painting site has no irritating odor, coating has good workability,
Curing rate is fast, and production efficiency is high, and coated rear levelability is good, and coating layer thickness is at 2~5 μm, you can obtain superpower corrosion resistant
Corrosion, resistance to neutral salt spray performance is more than 2000 hours, and acid resistance salt fog is more than 500h, and corrosion class can reach more than 9.8, and
The salt spray resistance of coating is stamped or bending after still keep constant.
The present invention has the following advantages and beneficial effect relative to prior art：
1st, the feature of environmental protection, aqueous highly corrosion resistant coating of the invention is water paint, is one-component system, low VOC emission is right
Environmental pollution is low；
2nd, aqueous highly corrosion resistant coating of the invention is a purely organic system, using the corrosion-resistant auxiliary agent of organic, without inorganic
Thing, brings abrasion few to punching die；
3rd, aqueous highly corrosion resistant coating of the invention is applied without thick, and 2~5 μm of coating thickness can obtain corrosion-resistant well
Property；
4th, punching is good：The aqueous highly corrosion resistant coating of the present invention is lubricated coating surface by the collocation of component
Modification, its punching is good, does not result in punching destruction, also will not be from the weak spot corrosion of punching.Surface has hydrophobicity simultaneously,
There is shielding action to corrosive medium, corrosion resistance is improved；
5th, mouldability is excellent：The aqueous highly corrosion resistant coating of the present invention adds aqueous toughened resin, improves film flexibility,
Improve tolerance of the coating to impact and bending, it is to avoid coating embrittlement causes weak spot, further improves its anti-corrosive properties.
Embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention not limited to this.
Embodiment 1
1st, the preparation of the aqueous highly corrosion resistant coating with excellent punching
(1) following each component raw material is weighed in proportion
(2) above-mentioned raw materials are mixed, and be uniformly dispersed, the solid aqueous extra-strong corrosion resistant coating containing for 20% is made, -4 are applied
Cup measurement dope viscosity is 22 ± 2s.
2nd, corrosion-resistant finishes will be formed on obtained aqueous extra-strong corrosion resistant coatings to aluminium foil.Aluminium foil is carried out first
Ungrease treatment is simultaneously dried, and then above-mentioned coating is applied on aluminium foil, and 60s is toasted through 200 DEG C of baking ovens, obtains 5 μm of dried film thickness
Coating.
Corrosion-resistant finishes produced above, its alkaline-resisting, resistance to boiling, salt fog resistance are excellent after testing, and coating is stamped, folding
Test salt spray resistance still keeps consistent with untreated coating after curved.
Embodiment 2
1st, the preparation of the aqueous highly corrosion resistant coating with excellent punching
(1) following each component raw material is weighed in proportion
(2) above-mentioned raw materials are mixed, and be uniformly dispersed, the solid aqueous extra-strong corrosion resistant coating containing for 36.5% is made, apply-
4 glasss of measurement dope viscosities are 53 ± 5s.
2nd, corrosion-resistant finishes will be formed on the aqueous extra-strong corrosion resistant coatings of obtained single coating to aluminium foil.First
Aluminium foil is subjected to ungrease treatment and dried, then by coatings to aluminium foil, 25s is toasted through 300 DEG C of baking ovens, dried film thickness is obtained
3 μm of coating.
Corrosion-resistant finishes produced above, its alkaline-resisting, resistance to boiling, salt fog resistance are excellent after testing, and coating is stamped, folding
Test salt spray resistance still keeps consistent with untreated coating after curved.
Embodiment 3
1st, the preparation of the aqueous highly corrosion resistant coating with excellent punching
(1) following each component raw material is weighed in proportion
(2) above-mentioned raw materials are mixed, and be uniformly dispersed, the solid aqueous extra-strong corrosion resistant coating containing for 40% is made, -4 are applied
Cup measurement dope viscosity is 110 ± 10s.
2nd, corrosion-resistant finishes will be formed on the aqueous extra-strong corrosion resistant coatings of obtained single coating to aluminium foil.First
Aluminium foil is subjected to ungrease treatment and dried, then by coatings to aluminium foil, 50s is toasted through 300 DEG C of baking ovens, dried film thickness is obtained
5 μm of coating.
Corrosion-resistant finishes produced above, its alkaline-resisting, resistance to boiling, salt fog resistance are excellent after testing, and coating is stamped, folding
Test salt spray resistance still keeps consistent with untreated coating after curved.
Embodiment 4
1st, the preparation of the aqueous highly corrosion resistant coating with excellent punching
(1) following each component raw material is weighed in proportion
(2) above-mentioned raw materials are mixed, and be uniformly dispersed, the solid aqueous extra-strong corrosion resistant coating containing for 30% is made, -4 are applied
Cup measurement dope viscosity is 45 ± 3s.
2nd, corrosion-resistant finishes will be formed on the aqueous extra-strong corrosion resistant coatings of obtained single coating to aluminium foil.First
Aluminium foil is subjected to ungrease treatment and dried, then by coatings to aluminium foil, 40s is toasted through 280 DEG C of baking ovens, dried film thickness is obtained
3 μm of coating.
Corrosion-resistant finishes produced above, its alkaline-resisting, resistance to boiling, salt fog resistance are excellent after testing, and coating is stamped, folding
Test salt spray resistance still keeps consistent with untreated coating after curved.
Embodiment 5
1st, the preparation of the aqueous highly corrosion resistant coating with excellent punching
(1) following each component raw material is weighed in proportion
(2) above-mentioned raw materials are mixed, and be uniformly dispersed, the solid aqueous extra-strong corrosion resistant coating containing for 33.4% is made, apply-
4 glasss of measurement dope viscosities are 32 ± 2s.
2nd, corrosion-resistant finishes will be formed on the aqueous extra-strong corrosion resistant coatings of obtained single coating to aluminium foil.First
Aluminium foil is subjected to ungrease treatment and dried, then by coatings to aluminium foil, 30s is toasted through 260 DEG C of baking ovens, dried film thickness is obtained
3 μm of coating.
Corrosion-resistant finishes produced above, its alkaline-resisting, resistance to boiling, salt fog resistance are excellent after testing, and coating is stamped, folding
Test salt spray resistance still keeps consistent with untreated coating after curved.
Embodiment 6
1st, the preparation of aqueous extra-strong corrosion resistant coating, point primary coat and face, which are applied, is applied
(1) following each component raw material is weighed in proportion prepares primary coat
(2) above-mentioned raw materials are mixed, and be uniformly dispersed, the solid aqueous extra-strong corrosion resistant primary coat painting containing for 24.4% is made
Material, it is 23 ± 2s to apply -4 glasss of measurement dope viscosities.
(3) following each component raw material is weighed in proportion prepares face painting
(4) above-mentioned raw materials are mixed, and be uniformly dispersed, a kind of solid aqueous extra-strong corrosion resistant face painting containing for 8.3% is made
Coating, it is 14 ± 2s to apply -4 glasss of measurement dope viscosities.
2nd, obtained bottom-coating and painting coating are applied on aluminium foil successively and form corrosion-resistant finishes.First by aluminium foil
Carry out ungrease treatment and dry；Then bottom-coating is applied on aluminium foil, 20s is toasted through 260 DEG C of baking ovens, obtain the μ of dried film thickness 2
M primary coat coating；Painting coating is applied on primary coat coating again, 20s is toasted through 180 DEG C of baking ovens, the face of 1 μm of dried film thickness is obtained
Coating layer.The corrosion-resistant finishes of double coatings is made.
Corrosion-resistant finishes produced above, its alkaline-resisting, resistance to boiling, salt fog resistance are excellent after testing, and coating is stamped, folding
Test salt spray resistance still keeps consistent with untreated coating after curved.
Embodiment 7
Contrasted with embodiment 5.On the basis of embodiment 5, without lubricant (wax emulsion PW-7), one kind is made
Aqueous corrosion resistant coating A.On the basis of embodiment 5, without aqueous toughened resin (aqueous polyethersulfone resin), one kind is made
Aqueous corrosion resistant coating B.On the basis of embodiment 5, while without lubricant (wax emulsion PW-7) and aqueous toughened resin
(aqueous polyethersulfone resin), is made a kind of aqueous corrosion resistant coating C.Comparative example 5 tests the coating of three kinds of corrosion resistant coatings
Performance, as a result as shown in table 1：
The performance indications of the aqueous extra-strong corrosion resistant coating of table 1
Knowable to interpretation of result listed by upper table, the coating prepared by embodiment 5, its alkali resistance, acid resistance, salt fog resistance are equal
It is more excellent, and remain in that outstanding salt spray resistance after the processing such as punching press or bending；And coating A (without lubricant),
The alkali resistance of its before processing, water resistance and salt fog resistance are in a slight decrease, and stamped rear salt fog resistance declines, and bending processing is to it
Salt fog resistance influence is little；Coating B (without aqueous toughened resin), its before processing alkali resistance, water resistance and salt fog resistance with
Embodiment 5 is close, but after bending, its salt fog resistance is also easy to produce folding line corrosion, and the salt fog resistance after punching press is also slightly decreased；Apply
Expect C (while without lubricant and aqueous toughened resin), its before processing alkali resistance, water resistance and salt fog resistance are slightly decreased,
Salt fog resistance declines substantially after punching press and bending.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (8)
1. a kind of aqueous highly corrosion resistant coating with excellent punching, it is characterised in that include the component of following mass parts：
The gross mass part of said components is 100 parts；
Described catalyst is p-methyl benzenesulfonic acid, DBSA, sulfamic acid, dinonylnaphthalene disulfonic acid and dinonyl naphthalene
At least one in sulfonic acid；
Described lubricant is organic silicon emulsion, organic fluorine emulsion, wax emulsion, aqueous aliphatic acid, aqueous fatty acid amide, aqueous
At least one in fatty acid ester and aqueous fatty acid metal soaps, or the water being modified for organosilicon, Organic fluoride, fatty acid ester
Property resin, or for organosilicon, the compound of organic fluorine richness；
Described water-base resin is water-based acrylic resin, watersoluble modified acrylic acid resin, aqueous epoxy resins, watersoluble modified ring
At least one in oxygen tree fat and aqueous polyester resin.
2. the aqueous highly corrosion resistant coating according to claim 1 with excellent punching, it is characterised in that：Described water
Property crosslinking agent be amino resins, isocyanates, silane coupler, titanium coupling agent, polybasic carboxylic acid and polyamine at least one；
Described cosolvent is ethanol, n-butanol, the tert-butyl alcohol, isobutanol, normal propyl alcohol, isopropanol, propylene glycol monomethyl ether, propane diols fourth
At least one in ether, propylene glycol methyl ether acetate, dipropylene glycol methyl ether and dipropylene glycol methyl ether acetate；
Described levelling agent is esters of acrylic acid levelling agent, organic fluorine carbon levelling agent, can reduce surface tension contain ehter bond
Compound and at least one contained in amphiphilic group compound that surface tension can be reduced；
Described aqueous toughened resin is waterborne polyester polyalcohol, aqueous polyamide, aqueous styrene-butadiene emulsion, aqueous polyethersulfone resin
With at least one in aqueous polyurethane；
Described defoamer is mineral oil defoaming agent, polyethers defoamer, organosiloxane class defoamer and polyether-modified had
At least one in organic siloxane class defoamer；
Described thickener be cellulose ether and its derivative species thickener, polyacrylate-type thickeners, polyurethane thickener,
At least one in natural polymer and its derivative.
3. a kind of preparation of aqueous highly corrosion resistant coating with excellent punching according to any one of claim 1~2
Method, it is characterised in that mix in proportion the component.
4. the aqueous highly corrosion resistant coating with excellent punching according to any one of claim 1~2 is in metal surface
Application in process field.
5. the aqueous highly corrosion resistant coating according to claim 4 with excellent punching is in field of metal surface treatment
Application, it is characterised in that each component of the aqueous highly corrosion resistant coating with excellent punching is mixed in proportion
Afterwards, directly it is coated on pending metal surface.
6. the aqueous highly corrosion resistant coating according to claim 4 with excellent punching is in field of metal surface treatment
Application, it is characterised in that the aqueous highly corrosion resistant coating with excellent punching point primary coat and face are applied to pending gold
Category is coated twice.
7. the aqueous highly corrosion resistant coating according to claim 5 with excellent punching is in field of metal surface treatment
Application, it is characterised in that：The direct coating processes are as follows：Aluminium foil-degreasing-drying-roll coat enamel, wherein roll coat enamel are passed through
200~300 DEG C of baking ovens toast 20~60s, obtain the coating of 2~5 μm of dried film thickness.
8. the aqueous highly corrosion resistant coating according to claim 6 with excellent punching is in field of metal surface treatment
Application, it is characterised in that the coating processes twice are as follows：Aluminium foil-degreasing-drying-roller coat bottom-coating-drying-roller coat face
Coating-drying is applied, wherein roller coat bottom-coating toasts 20~60s through 200~300 DEG C of baking ovens, obtains the bottom of 2~5 μm of dried film thickness
Coating layer；Roller coat painting coating toasts 15~40s through 150~300 DEG C of baking ovens, obtains the face coating layer of 0.5~1 μm of dried film thickness.
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