CN103275598B - Heavy-anticorrosive epoxy finishing coat and preparation method thereof - Google Patents
Heavy-anticorrosive epoxy finishing coat and preparation method thereof Download PDFInfo
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- CN103275598B CN103275598B CN201310182899.9A CN201310182899A CN103275598B CN 103275598 B CN103275598 B CN 103275598B CN 201310182899 A CN201310182899 A CN 201310182899A CN 103275598 B CN103275598 B CN 103275598B
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- 239000004593 Epoxy Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 239000003822 epoxy resin Substances 0.000 claims abstract description 26
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 26
- 239000002904 solvent Substances 0.000 claims abstract description 21
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 10
- 239000006185 dispersion Substances 0.000 claims abstract description 9
- 239000002243 precursor Substances 0.000 claims abstract description 7
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 6
- 150000001412 amines Chemical class 0.000 claims abstract description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 52
- 238000003756 stirring Methods 0.000 claims description 32
- -1 fluoroalkyl Trimethoxy silanes Chemical class 0.000 claims description 24
- 230000003260 anti-sepsis Effects 0.000 claims description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000013530 defoamer Substances 0.000 claims description 13
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 12
- 229920002050 silicone resin Polymers 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 10
- 229920002292 Nylon 6 Polymers 0.000 claims description 9
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical group [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims description 9
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 239000008096 xylene Substances 0.000 claims description 8
- 125000003700 epoxy group Chemical group 0.000 claims description 7
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 7
- 235000011152 sodium sulphate Nutrition 0.000 claims description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 150000001282 organosilanes Chemical class 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- IKXDEFIEGAVNOZ-UHFFFAOYSA-N [SiH4].[C] Chemical compound [SiH4].[C] IKXDEFIEGAVNOZ-UHFFFAOYSA-N 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 4
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 claims description 3
- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 claims description 3
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 claims description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 2
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 2
- SNNDROOIGNHUBX-UHFFFAOYSA-N 3-(1,1-difluorooctoxy-methoxy-methylsilyl)propan-1-ol Chemical compound FC(O[Si](OC)(C)CCCO)(CCCCCCC)F SNNDROOIGNHUBX-UHFFFAOYSA-N 0.000 claims description 2
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 claims description 2
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 claims description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- YBHBEZSZXFLQMW-UHFFFAOYSA-N [dimethoxy(phenyl)silyl]methanamine Chemical compound CO[Si](CN)(OC)C1=CC=CC=C1 YBHBEZSZXFLQMW-UHFFFAOYSA-N 0.000 claims description 2
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 2
- 150000004985 diamines Chemical class 0.000 claims description 2
- JDVIRCVIXCMTPU-UHFFFAOYSA-N ethanamine;trifluoroborane Chemical compound CCN.FB(F)F JDVIRCVIXCMTPU-UHFFFAOYSA-N 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- 239000012046 mixed solvent Substances 0.000 claims description 2
- QOHMWDJIBGVPIF-UHFFFAOYSA-N n',n'-diethylpropane-1,3-diamine Chemical compound CCN(CC)CCCN QOHMWDJIBGVPIF-UHFFFAOYSA-N 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- 229960001124 trientine Drugs 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 2
- 230000006750 UV protection Effects 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000004383 yellowing Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 238000012360 testing method Methods 0.000 description 13
- 239000003973 paint Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 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 5
- 230000032683 aging Effects 0.000 description 4
- 230000003712 anti-aging effect Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- SYECJBOWSGTPLU-UHFFFAOYSA-N hexane-1,1-diamine Chemical compound CCCCCC(N)N SYECJBOWSGTPLU-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to heavy-anticorrosive epoxy finishing coat and a preparation method thereof. The heavy-anticorrosive epoxy finishing coat is a double-component system, wherein the component A comprises the following ingredients in parts by weight: 100 parts of hydrogenated bisphenol a expoxy resin, 10-30 parts of epoxy resin TDE 85, 5-20 parts of butyl titanate, 5-20 parts of fluorocarbon-containing silane coupling agent, 10-20 parts of an epoxy-containing silane coupling agent, 10-30 parts of other organic silicone precursor, 0.1-5 parts of a dispersing agent, 0.1-5 parts of a flatting agent, 0.1-5 parts of a defoaming agent, 0.1-2 parts of an accelerant and 50-150 parts of a solvent, and the component B is 30-20 parts by mass of an amine curing agent. The heavy-anticorrosive epoxy finishing coat mainly serves as outdoor heavy-anticorrosive finishing coat and has the advantages of excellent ultraviolet-resistance property, anti-yellowing property, good dispersion stability, excellent acid resistance, alkali resistance and salt-spray corrosion resistance, strong adhesive force, good wear-resisting property, self-cleaning property, room temperature curing, simple and convenient construction and the like.
Description
Technical field
The present invention relates to a kind of heavy antisepsis epoxy finish and preparation method thereof, belong to protection epoxy-based lacquers technical field.
Background technology
The greatest problem that iron and steel faces in application process how to carry out protection against corrosion, extends the problem in its work-ing life.The method of usual employing has: protective system, zinc-plated, nickel plating, chromium plating, surface passivation and grease are anticorrosion etc.Large-scale steel equipment adopts mode that is zinc-plated and protective system combination as bridge, electric transmission pole tower, steamer etc. are when dispatching from the factory; after using for some time; particularly under the severe environment such as China desert, salt lake, severe contamination; the unavoidable damaged of protective layer; but inconvenience carries out zinc coating operations again; most efficient manner is exactly apply a protective system again, and conventional antisepsis finishing paint mainly contains urethane, silicone resin and fluorocarbon resin etc.
Silicone resin has the feature of weathering resistance, high-low temperature resistant, chemical resistance excellence, but only uses organic silicon coating, and its sticking power is poor, and toughness also poor easy generation crack performance; Epoxy resin has the surface bonding intensity of metal and non-metallic material high, and dielectric properties are good, and deformation retract rate is little; hardness is high, and snappiness is better, the feature stable to chemical solvents; with silicone resin performance complement, the effect of fine and close protection can be played to metallic surface.Containing a large amount of phenyl ring in conventional Bisphenol-a Epoxy Resin, cause its weather resistance very poor, generally rot-resistant finish paint can not be used as, and A Hydrogenated Bisphenol A a type epoxy resin remains the advantages such as the strong adhesion of Bisphenol-a Epoxy Resin, good toughness, solvent resistance be good, and overcome the problem of weathering resistance difference, be combined with silicone resin, the finish paint of composition heavy antisepsis.
Publication number CN102634266A discloses a kind of weather-resistant heavy-duty anticorrosive powder, utilizes heavy antisepsis powder-type coating prepared by A Hydrogenated Bisphenol A a type epoxy resin, rich zinc filler, conducting polymer, weather-proof color, solidifying agent and various auxiliary agent.
Publication number CN102352043A discloses a kind of epoxy-polysiloxane resin for paint and preparation method thereof, A Hydrogenated Bisphenol A a type epoxy resin and reactive polysiloxanes is utilized to allocate a kind of heavy-duty coating, its active function groups is hydroxyl, methoxyl group, oxyethyl group or isocyanate group, first reacted by active function groups and epoxy resin, preparation consistency epoxy-polysiloxane resin, although above-mentioned coating combines the feature of epoxy resin and silicone resin performance complement, but not containing absorbing ultraviolet or covering ultraviolet absorption agent in coating, the ageing resistance of coating is not enough, simultaneously, surface does not have strong-hydrophobicity group, anti-permeability performance and the Corrosion Protection of coating can be affected.
Summary of the invention
The object of the invention is, according to existing antisepsis finishing paint Problems existing, the invention provides a kind of heavy antisepsis epoxy finish being applied to outfield and preparation method thereof.
Realizing technical scheme of the present invention is, the mode that the present invention adopts original position to prepare, first fluorine-contained surface nano-titania particle is prepared, the uvioresistant utilizing nano titanium oxide excellent, antibacterial, self-cleaning, the effect such as anti-aging, mating surface fluorine-carbon modified, strengthens the anti-aging and hydrophobic self-cleaning performance of coating; Then with containing epoxy group(ing) be connected with the silicone resin in-situ polymerization of fluorine carbon, TiO 2 particles is dispersed in system uniformly, the compatibility performance adding enhancing and epoxy resin of epoxy group(ing) simultaneously, adding of fluorocarbon group, the hydrophobic performance of further enhancing coating, reduce surface energy, strengthen its impermeabilisation, erosion-resisting performance.Finally mix preparing the epoxy resin of modified organic silicone resin with A Hydrogenated Bisphenol A a type epoxy resin and trifunctional, give full play to the performance of nano titanium oxide, organosilicon, fluorocarbon radicals epoxy resin, improve uvioresistant, impermeabilisation, the aging-resistant performance of coating.
The present invention adopts bicomponent epoxy resin curing system, and heavy antisepsis epoxy finish of the present invention by the formula of mass parts is:
Component A comprises: A Hydrogenated Bisphenol A a epoxy resin 100 parts; Epoxy resin TDE8510 ~ 30 part; Butyl (tetra) titanate 5 ~ 20 parts; Fluorine-containing carbon silane coupling agent 5 ~ 20 parts; Containing epoxy silane coupling agent 10 ~ 20 parts; Other organosilane precursor 10 ~ 30 parts; Dispersion agent 0.1 ~ 5 part; Flow agent 0.1 ~ 5 part; Defoamer 0.1 ~ 5 part; Promotor 0.1 ~ 2 part; Solvent 50 ~ 150 parts;
B component comprises: amine curing agent 30 ~ 200 parts; Solvent 20 ~ 200 parts;
The weight ratio of component A and B component is (1 ~ 9): 1;
The model of described A Hydrogenated Bisphenol A a epoxy resin is AL-3040;
Described fluorine-containing carbon silane coupling agent is: ten fluoroalkyl Trimethoxy silanes, ten trifluoro octyl group Trimethoxy silanes, ten trifluoroalkyl propyl trimethoxy silicanes, the one in ten difluoro heptyl hydroxypropyl methyl dimethoxysilane;
Described is γ-(2,3-glycidoxy) propyl trimethoxy silicane containing epoxy silane coupling, the one in 3-(3,4-epoxycyclohexyl) ethyl trimethoxy silane;
Other described organosilane precursor is dimethyldimethoxysil,ne, aminomethyl phenyl dimethoxysilane, the one in dimethoxydiphenylsilane;
Described dispersion agent is polyurethane-type dispersion agent;
Described flow agent is fluorine carbon flow agent;
Described defoamer is polysiloxane defoamer;
Described promotor is the one in phenol, ortho-cresol, Boron Trifluoride Ethylamine, DMP-30;
Described solvent is the mixed solvent of one or more in toluene, dimethylbenzene and propyl carbinol, Virahol, pimelinketone, N-BUTYL ACETATE;
Described amine curing agent is the one in diethylenetriamine, triethylene tetramine, diamines, diethylaminopropylamine, polymeric amide (200,203,3051,600,650,651), modified by cardanol amine.
The preparation process of a kind of heavy antisepsis epoxy finish of the present invention is:
(1) butyl (tetra) titanate of 5 ~ 20 mass parts and 1 ~ 10 mass parts fluorine containing silane coupling agent are dissolved in 5 ~ 20 quality xylene solutions, be added drop-wise in the mixed solution be made up of 1 ~ 5 part of Virahol, 5 ~ 10 parts of dimethylbenzene, 0.5 ~ 10 part of water, 0.1 ~ 5 part of nitric acid, the pH value of regulation system, between 3 ~ 5, reacts 4 ~ 8h at 25 ~ 50 DEG C;
(2) under maintenance system acidic conditions, add the solvent of 1 ~ 10 part of water and 20 ~ 60 mass parts in proportion, other organosilane precursor containing fluorocarbon radicals and 10 ~ 30 mass parts containing epoxy group(ing), 1 ~ 15 mass parts then dripping 10 ~ 20 mass parts in reaction system prepare silicone resin solution; Continue stirring 4 ~ 8h; Add after anhydrous sodium sulphate dewaters and filter, drip a small amount of ammoniacal liquor, regulation system pH value is react 4 ~ 8h at 7 ~ 8,25 ~ 50 DEG C; Finally drip a small amount of concentrated hydrochloric acid regulation system for neutral;
(3) in above-mentioned system, the hydrogenated bisphenol A epoxy resin of 100 mass parts and the TDE85 epoxy resin of 10 ~ 30 mass parts is added in proportion, the dispersion agent of 0.1 ~ 5 mass parts, the flow agent of 0.1 ~ 5 mass parts, the defoamer of 0.1 ~ 5 mass parts, the promotor of 0.1 ~ 2 mass parts and the solvent of 20 ~ 120 mass parts, under 2000 ~ 3000r/min condition, stir 0.5 ~ 1h, obtain component A;
(4) by the solvent of the solidifying agent of 30 ~ 200 mass parts and 20 ~ 200 mass parts, stir, obtain component B.
(5) by component A and B component according to weight ratio (1 ~ 9): 1 mixing, stirs and after slaking 30min, gets final product application, be finished within 6 ~ 8h time.
The key technical indexes detecting heavy antisepsis epoxy finish comprises:
(1) consistency: leave standstill visual not stratified after 3 days.
(2) sticking power: according to the test of GB 9286-1998 paint film adhesion method of testing, frame spacing 1mm, sticking power≤1 grade.
(3) hardness: according to the test of DB6739-1996 hardness of paint film pencil assay method, hardness >=3h.
(4) impact strength: according to the test of GB 1732-1993 paint film flexibility assay method, impact strength>=50kg/cm
2.
(5) snappiness: according to the test of GB1731-1993 paint film flexibility assay method, snappiness≤1mm.
(6) weathering resistance: after QUV/spray ultraviolet aging test chamber accelerated deterioration 1000h, sticking power >=4Mpa.
(7) non-corrosibility: after GB 1771-2007 salt-fog test 1000h, sticking power >=4Mpa.
The present invention's beneficial effect is compared with the prior art:
(1) fluorine-contained surface nano-titania particle is first prepared in the present invention, the uvioresistant utilizing nano titanium oxide excellent, antibacterial, self-cleaning, the effect such as anti-aging, mating surface fluorine-carbon modified, strengthens the anti-aging and hydrophobic self-cleaning performance of coating;
(2) fluorine-carbon modified nano-titania particle is connected with the silicone resin in-situ polymerization of fluorine carbon with containing epoxy group(ing) by the present invention, TiO 2 particles is dispersed in system uniformly, the compatibility performance adding enhancing organosilicon and epoxy resin of epoxy group(ing) simultaneously, adding of fluorocarbon group, the hydrophobic performance of further enhancing coating, reduce surface energy, strengthen its impermeabilisation, erosion-resisting performance;
(3) the present invention gives full play to the complementary performance of modified organic silicone resin and A Hydrogenated Bisphenol A a type epoxy resin, makes the coating of preparation have strong uvioresistant, impermeabilisation, aging-resistant performance, provides a kind of heavy antisepsis epoxy finish being applied to outfield.
(4) the present invention adopts disposable in-situ reaction preparation method, has continuity of operation, simple to operate, and the antiseptic property of coating is excellent, reach the performance of fluorine carbon heavy antisepsis finish paint, and production cost declines to a great extent.
Accompanying drawing explanation
Fig. 1 is nano-TiO
2particle doping contains the silicone resin schematic diagram of epoxy group(ing) and fluorine carbon.
Embodiment
Illustrate the present invention is detailed further below in conjunction with embodiment, but content of the present invention is not only confined to the following examples.
Embodiment 1:
(1) butyl (tetra) titanate of 5 mass parts and 3 mass parts ten fluoroalkyl Trimethoxy silanes are dissolved in 5 mass parts xylene solutions, be added drop-wise in the mixed solution be made up of 2 mass parts Virahols, 5 mass parts dimethylbenzene, 0.5 mass parts water, 0.1 mass parts nitric acid, at 25 DEG C, react 8h;
(2) under maintenance system acidic conditions, add the solvent of 3 mass parts water and 40 mass parts, then drip in reaction system by the γ of 10 mass parts-(2,3-glycidoxy) mixing solutions of dimethyldimethoxysil,ne composition of propyl trimethoxy silicane, ten fluoroalkyl Trimethoxy silanes of 3 mass parts and 10 mass parts, continues to stir 8h;
(3) filter after the anhydrous sodium sulphate adding 10 mass parts dewaters, drip a small amount of ammoniacal liquor, regulation system pH value is react 8h at 7 ~ 8,50 DEG C; Finally drip a small amount of concentrated hydrochloric acid regulation system for neutral;
(4) in above-mentioned system, the hydrogenated bisphenol A epoxy resin AL-3040 of 100 mass parts and the TDE85 epoxy resin of 10 mass parts is added in proportion, the dispersant B YK-163 of 0.5 mass parts, the flow agent EL-877 of 0.2 mass parts, the defoamer BYK-065 of 0.5 mass parts, the altax P-30 of 0.5 mass parts and the dimethylbenzene of 60 mass parts, under 2000r/min condition, stir 0.5h, obtain component A;
(5) polyamide 6 50 of 130 mass parts and 90 parts of dimethylbenzene, 40 parts of propyl carbinols are mixed, stir, obtain component B;
(6) finally component A is mixed according to mass ratio 1:1 with B component, application after the slaking 30min that stirs.The forward and backward method test properties provided according to the key technical indexes detecting heavy antisepsis epoxy finish is provided.
The test performance of embodiment 1 is as follows:
| Consistency | Sticking power | Hardness | Impact strength | Snappiness | Weathering resistance | Non-corrosibility | |
| Embodiment 1 | Not stratified | 1 grade | 4h | >50kg/cm 2 | 1mm | 6Mpa | 5Mpa |
Embodiment 2: the reaction conditions changing (5), (6), all the other are with embodiment 1.
(1) butyl (tetra) titanate of 5 mass parts and 3 mass parts ten fluoroalkyl Trimethoxy silanes are dissolved in 5 mass parts xylene solutions, be added drop-wise in the mixed solution be made up of 2 mass parts Virahols, 5 mass parts dimethylbenzene, 0.5 mass parts water, 0.1 mass parts nitric acid, at 25 DEG C, react 8h;
(2) under maintenance system acidic conditions, add the solvent of 3 mass parts water and 40 mass parts, then drip in reaction system by the γ of 10 mass parts-(2,3-glycidoxy) mixing solutions of dimethyldimethoxysil,ne composition of propyl trimethoxy silicane, ten fluoroalkyl Trimethoxy silanes of 3 mass parts and 10 mass parts, continues to stir 8h;
(3) filter after the anhydrous sodium sulphate adding 10 mass parts dewaters, drip a small amount of ammoniacal liquor, regulation system pH value is react 8h at 7 ~ 8,50 DEG C; Finally drip a small amount of concentrated hydrochloric acid regulation system for neutral;
(4) in above-mentioned system, the hydrogenated bisphenol A epoxy resin AL-3040 of 100 mass parts and the TDE85 epoxy resin of 10 mass parts is added in proportion, the dispersant B YK-163 of 0.5 mass parts, the flow agent EL-877 of 0.2 mass parts, the defoamer BYK-065 of 0.5 mass parts, the altax P-30 of 0.5 mass parts and the dimethylbenzene of 60 mass parts, under 2000r/min condition, stir 0.5h, obtain component A;
(5) by the hexanediamine of 15 mass parts and 30 parts of dimethylbenzene, stir, obtain component B;
(6) finally component A is mixed according to mass ratio 5:1 with B component, application after the slaking 30min that stirs, test performance.
Embodiment 3: the reaction conditions changing (1), all the other are with embodiment 1.
(1) butyl (tetra) titanate of 20 mass parts and 10 mass parts ten fluoroalkyl Trimethoxy silanes are dissolved in 20 mass parts xylene solutions, be added drop-wise in the mixed solution be made up of 5 mass parts Virahols, 10 mass parts dimethylbenzene, 2 mass parts water, 0.4 mass parts nitric acid, at 25 DEG C, react 8h;
(2) under maintenance system acidic conditions, add the solvent of 3 mass parts water and 40 mass parts, then drip in reaction system by the γ of 10 mass parts-(2,3-glycidoxy) mixing solutions of dimethyldimethoxysil,ne composition of propyl trimethoxy silicane, ten fluoroalkyl Trimethoxy silanes of 3 mass parts and 10 mass parts, continues to stir 8h;
(3) filter after the anhydrous sodium sulphate adding 10 mass parts dewaters, drip a small amount of ammoniacal liquor, regulation system pH value is react 8h at 7 ~ 8,50 DEG C; Finally drip a small amount of concentrated hydrochloric acid regulation system for neutral;
(4) in above-mentioned system, the hydrogenated bisphenol A epoxy resin AL-3040 of 100 mass parts and the TDE85 epoxy resin of 10 mass parts is added in proportion, the dispersant B YK-163 of 0.5 mass parts, the flow agent EL-877 of 0.2 mass parts, the defoamer BYK-065 of 0.5 mass parts, the altax P-30 of 0.5 mass parts and the dimethylbenzene of 60 mass parts, under 2000r/min condition, stir 0.5h, obtain component A;
(5) polyamide 6 50 of 130 mass parts and 90 parts of dimethylbenzene, 40 parts of propyl carbinols are mixed, stir, obtain component B;
(6) finally component A is mixed according to mass ratio 1:1 with B component, application after the slaking 30min that stirs.The forward and backward method test properties provided according to the key technical indexes detecting heavy antisepsis epoxy finish is provided.
Embodiment 4: the reaction conditions changing (2), all the other are with embodiment 1.
(1) butyl (tetra) titanate of 5 mass parts and 3 mass parts ten fluoroalkyl Trimethoxy silanes are dissolved in 5 mass parts xylene solutions, be added drop-wise in the mixed solution be made up of 2 mass parts Virahols, 5 mass parts dimethylbenzene, 0.5 mass parts water, 0.1 mass parts nitric acid, at 25 DEG C, react 8h;
(2) under maintenance system acidic conditions, add the solvent of 3 mass parts water and 40 mass parts, then drip in reaction system by the 3-(3 of 10 mass parts, 4-epoxycyclohexyl) ethyl trimethoxy silane, ten trifluoro octyl group Trimethoxy silanes of 3 mass parts and 10 mass parts dimethoxydiphenylsilane composition mixing solutions, continue to stir 8h;
(3) filter after the anhydrous sodium sulphate adding 10 mass parts dewaters, drip a small amount of ammoniacal liquor, regulation system pH value is react 8h at 7 ~ 8,50 DEG C; Finally drip a small amount of concentrated hydrochloric acid regulation system for neutral;
(4) in above-mentioned system, the hydrogenated bisphenol A epoxy resin AL-3040 of 100 mass parts and the TDE85 epoxy resin of 10 mass parts is added in proportion, the dispersant B YK-163 of 0.5 mass parts, the flow agent EL-877 of 0.2 mass parts, the defoamer BYK-065 of 0.5 mass parts, the altax P-30 of 0.5 mass parts and the dimethylbenzene of 60 mass parts, under 2000r/min condition, stir 0.5h, obtain component A;
(5) polyamide 6 50 of 130 mass parts and 90 parts of dimethylbenzene, 40 parts of propyl carbinols are mixed, stir, obtain component B;
(6) finally component A is mixed according to mass ratio 1:1 with B component, application after the slaking 30min that stirs.The forward and backward method test properties provided according to the key technical indexes detecting heavy antisepsis epoxy finish is provided.
Embodiment 5: the reaction conditions changing (4), all the other are with embodiment 1.
(1) butyl (tetra) titanate of 5 mass parts and 3 mass parts ten fluoroalkyl Trimethoxy silanes are dissolved in 5 mass parts xylene solutions, be added drop-wise in the mixed solution be made up of 2 mass parts Virahols, 5 mass parts dimethylbenzene, 0.5 mass parts water, 0.1 mass parts nitric acid, at 25 DEG C, react 8h;
(2) under maintenance system acidic conditions, add the solvent of 3 mass parts water and 40 mass parts, then drip in reaction system by the γ of 10 mass parts-(2,3-glycidoxy) mixing solutions of dimethyldimethoxysil,ne composition of propyl trimethoxy silicane, ten fluoroalkyl Trimethoxy silanes of 3 mass parts and 10 mass parts, continues to stir 8h;
(3) filter after the anhydrous sodium sulphate adding 10 mass parts dewaters, drip a small amount of ammoniacal liquor, regulation system pH value is react 8h at 7 ~ 8,50 DEG C; Finally drip a small amount of concentrated hydrochloric acid regulation system for neutral;
(4) in above-mentioned system, the hydrogenated bisphenol A epoxy resin AL-3040 of 100 mass parts and the TDE85 epoxy resin of 30 mass parts is added in proportion; 5th) step changes into: the polyamide 6 50 of 170 mass parts and 90 parts of dimethylbenzene, 40 parts of propyl carbinols are mixed, stir, obtain component B;
(5) polyamide 6 50 of 130 mass parts and 90 parts of dimethylbenzene, 40 parts of propyl carbinols are mixed, stir, obtain component B;
(6) finally component A is mixed according to mass ratio 1:1 with B component, application after the slaking 30min that stirs.The forward and backward method test properties provided according to the key technical indexes detecting heavy antisepsis epoxy finish is provided.
Embodiment 6: the reaction conditions changing (3), all the other are with embodiment 1.
(1) butyl (tetra) titanate of 5 mass parts and 3 mass parts ten fluoroalkyl Trimethoxy silanes are dissolved in 5 mass parts xylene solutions, be added drop-wise in the mixed solution be made up of 2 mass parts Virahols, 5 mass parts dimethylbenzene, 0.5 mass parts water, 0.1 mass parts nitric acid, at 25 DEG C, react 8h;
(2) under maintenance system acidic conditions, add the solvent of 3 mass parts water and 40 mass parts, then drip in reaction system by the γ of 10 mass parts-(2,3-glycidoxy) mixing solutions of dimethyldimethoxysil,ne composition of propyl trimethoxy silicane, ten fluoroalkyl Trimethoxy silanes of 3 mass parts and 10 mass parts, continues to stir 8h;
(3) drip a small amount of ammoniacal liquor, regulation system pH value is react 8h at 7 ~ 8,50 DEG C; Finally drip a small amount of concentrated hydrochloric acid regulation system for neutral;
(4) in above-mentioned system, the hydrogenated bisphenol A epoxy resin AL-3040 of 100 mass parts and the TDE85 epoxy resin of 10 mass parts is added in proportion, the dispersant B YK-163 of 0.5 mass parts, the flow agent EL-877 of 0.2 mass parts, the defoamer BYK-065 of 0.5 mass parts, the altax P-30 of 0.5 mass parts and the dimethylbenzene of 60 mass parts, under 2000r/min condition, stir 0.5h, obtain component A;
(5) polyamide 6 50 of 130 mass parts and 90 parts of dimethylbenzene, 40 parts of propyl carbinols are mixed, stir, obtain component B;
(6) finally component A is mixed according to mass ratio 1:1 with B component, application after the slaking 30min that stirs.The forward and backward method test properties provided according to the key technical indexes detecting heavy antisepsis epoxy finish is provided.
The performance test of embodiment 2-6 is as follows:
| Consistency | Sticking power | Hardness | Impact strength | Snappiness | Weathering resistance | Non-corrosibility | |
| Embodiment 2 | Not stratified | 1 grade | 4h | >50kg/cm 2 | 1mm | 6Mpa | 6Mpa |
| Embodiment 3 | Not stratified | 1 grade | 3h | >50kg/cm 2 | 1mm | 7Mpa | 6Mpa |
| Embodiment 4 | Not stratified | 1 grade | 4h | >50kg/cm 2 | 1mm | 7Mpa | 5Mpa |
| Embodiment 5 | Not stratified | 1 grade | 4h | >50kg/cm 2 | 1mm | 5Mpa | 4Mpa |
| Embodiment 6 | Not stratified | 2 grades | 2h | 25kg/cm 2 | 1mm | 3Mpa | 3Mpa |
Claims (2)
1. a heavy antisepsis epoxy finish, is characterized in that, described epoxy finish by the formula of mass parts is:
Component A comprises: hydrogenated bisphenol A epoxy resin 100 parts; Epoxy resin TDE8510 ~ 30 part; Butyl (tetra) titanate 5 ~ 20 parts; Fluorine-containing carbon silane coupling agent 5 ~ 20 parts; Containing epoxy silane coupling agent 10 ~ 20 parts; Other organosilane precursor 10 ~ 30 parts; Dispersion agent 0.1 ~ 5 part; Flow agent 0.1 ~ 5 part; Defoamer 0.1 ~ 5 part; Promotor 0.1 ~ 2 part; Solvent 50 ~ 150 parts;
B component comprises: amine curing agent 30 ~ 200 parts; Solvent 20 ~ 200 parts;
The weight ratio of component A and B component is (1 ~ 9): 1;
The model of described hydrogenated bisphenol A epoxy resin is AL-3040;
Described fluorine-containing carbon silane coupling agent is: ten fluoroalkyl Trimethoxy silanes, ten trifluoro octyl group Trimethoxy silanes, ten trifluoroalkyl propyl trimethoxy silicanes, the one in ten difluoro heptyl hydroxypropyl methyl dimethoxysilane;
Described is γ-(2,3-glycidoxy) propyl trimethoxy silicane containing epoxy silane coupling, the one in 3-(3,4-epoxycyclohexyl) ethyl trimethoxy silane;
Other described organosilane precursor is dimethyldimethoxysil,ne, aminomethyl phenyl dimethoxysilane, the one in dimethoxydiphenylsilane;
Described dispersion agent is polyurethane-type dispersion agent;
Described flow agent is fluorine carbon flow agent;
Described defoamer is polysiloxane defoamer;
Described promotor is the one in phenol, ortho-cresol, Boron Trifluoride Ethylamine, DMP-30;
Described solvent is the mixed solvent of one or more in toluene, dimethylbenzene and propyl carbinol, Virahol, pimelinketone, N-BUTYL ACETATE;
Described amine curing agent is the one in diethylenetriamine, triethylene tetramine, diamines, diethylaminopropylamine, polymeric amide 200, polymeric amide 203, kymene 051, polyamide 6 00, polyamide 6 50, polyamide 6 51, modified by cardanol amine.
2. a preparation method for heavy antisepsis epoxy finish, is characterized in that, the preparation process of described method is:
(1) butyl (tetra) titanate of 5 ~ 20 mass parts and 1 ~ 10 mass parts fluorine containing silane coupling agent are dissolved in 5 ~ 20 quality xylene solutions, be added drop-wise in the mixed solution be made up of 1 ~ 5 part of Virahol, 5 ~ 10 parts of dimethylbenzene, 0.5 ~ 10 part of water, 0.1 ~ 5 part of nitric acid, the pH value of regulation system, between 3 ~ 5, reacts 4 ~ 8h at 25 ~ 50 DEG C;
(2) under maintenance system acidic conditions, add the solvent of 1 ~ 10 part of water and 20 ~ 60 mass parts in proportion, other organosilane precursor containing fluorocarbon radicals and 10 ~ 30 mass parts containing epoxy group(ing), 1 ~ 15 mass parts then dripping 10 ~ 20 mass parts in reaction system prepare silicone resin solution; Continue stirring 4 ~ 8h; Add after anhydrous sodium sulphate dewaters and filter, drip a small amount of ammoniacal liquor, regulation system pH value is react 4 ~ 8h at 7 ~ 8,25 ~ 50 DEG C; Finally drip a small amount of concentrated hydrochloric acid regulation system for neutral;
(3) in above-mentioned system, the hydrogenated bisphenol A epoxy resin of 100 mass parts and the TDE85 epoxy resin of 10 ~ 30 mass parts is added in proportion, the dispersion agent of 0.1 ~ 5 mass parts, the flow agent of 0.1 ~ 5 mass parts, the defoamer of 0.1 ~ 5 mass parts, the promotor of 0.1 ~ 2 mass parts and the solvent of 20 ~ 120 mass parts, under 2000 ~ 3000r/min condition, stir 0.5 ~ 1h, obtain component A;
(4) by the solvent of the solidifying agent of 30 ~ 200 mass parts and 20 ~ 200 mass parts, stir, obtain component B;
(5) by component A and B component according to weight ratio (1 ~ 9): 1 mixing, stirs and after slaking 30min, gets final product application, be finished within 6 ~ 8h time.
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| CN109401530A (en) * | 2018-09-12 | 2019-03-01 | 安徽康瑞高科新材料技术工程有限公司 | A kind of epoxy finish and preparation method thereof |
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