CN110317536A - Anti-corrosion, wax control, antifouling coating and preparation method thereof - Google Patents
Anti-corrosion, wax control, antifouling coating and preparation method thereof Download PDFInfo
- Publication number
- CN110317536A CN110317536A CN201910595106.3A CN201910595106A CN110317536A CN 110317536 A CN110317536 A CN 110317536A CN 201910595106 A CN201910595106 A CN 201910595106A CN 110317536 A CN110317536 A CN 110317536A
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- graphene oxide
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- wax control
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- 238000000576 coating method Methods 0.000 title claims abstract description 70
- 239000011248 coating agent Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 238000005260 corrosion Methods 0.000 title claims abstract description 31
- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 29
- -1 metronidazole modified graphene Chemical class 0.000 claims abstract description 54
- 229960000282 metronidazole Drugs 0.000 claims abstract description 43
- 239000000945 filler Substances 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 229920001400 block copolymer Polymers 0.000 claims abstract description 24
- 239000002904 solvent Substances 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 20
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229960002447 thiram Drugs 0.000 claims abstract description 18
- 229920001721 polyimide Polymers 0.000 claims abstract description 17
- 239000009719 polyimide resin Substances 0.000 claims abstract description 17
- 229920006361 Polyflon Polymers 0.000 claims abstract description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 75
- 238000006243 chemical reaction Methods 0.000 claims description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 43
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 36
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 36
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 35
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 32
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 30
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 claims description 28
- 229910021389 graphene Inorganic materials 0.000 claims description 28
- 229920001021 polysulfide Polymers 0.000 claims description 28
- 239000005077 polysulfide Substances 0.000 claims description 28
- 150000008117 polysulfides Polymers 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000010792 warming Methods 0.000 claims description 25
- VAOCPAMSLUNLGC-UHFFFAOYSA-N metronidazole Chemical compound CC1=NC=C([N+]([O-])=O)N1CCO VAOCPAMSLUNLGC-UHFFFAOYSA-N 0.000 claims description 21
- 229910002804 graphite Inorganic materials 0.000 claims description 19
- 239000010439 graphite Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 19
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 18
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 18
- 150000001412 amines Chemical class 0.000 claims description 18
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 18
- 229960002163 hydrogen peroxide Drugs 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 17
- 239000003822 epoxy resin Substances 0.000 claims description 17
- 229920000647 polyepoxide Polymers 0.000 claims description 17
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000004317 sodium nitrate Substances 0.000 claims description 16
- 235000010344 sodium nitrate Nutrition 0.000 claims description 16
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 claims description 15
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- 239000005864 Sulphur Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000012286 potassium permanganate Substances 0.000 claims description 10
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- AJCOMUGYFXBGRL-UHFFFAOYSA-L dihydroxy(dioxo)chromium 1,2-diphenylguanidine Chemical compound C1(=CC=CC=C1)NC(NC1=CC=CC=C1)=N.[Cr](=O)(=O)(O)O AJCOMUGYFXBGRL-UHFFFAOYSA-L 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 239000006228 supernatant Substances 0.000 claims description 9
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical group CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 8
- 244000226021 Anacardium occidentale Species 0.000 claims description 8
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 8
- 235000020226 cashew nut Nutrition 0.000 claims description 8
- 238000004090 dissolution Methods 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 239000004408 titanium dioxide Substances 0.000 claims description 8
- 238000010828 elution Methods 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 claims 1
- 229910000071 diazene Inorganic materials 0.000 claims 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims 1
- 150000003949 imides Chemical class 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 abstract description 8
- 230000002421 anti-septic effect Effects 0.000 abstract description 7
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Inorganic materials [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 4
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 239000001993 wax Substances 0.000 description 50
- 239000003921 oil Substances 0.000 description 24
- 235000019198 oils Nutrition 0.000 description 24
- 229940106691 bisphenol a Drugs 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- FNPXQPLDGZMBSL-UHFFFAOYSA-N n,n'-dicyclohexylethane-1,2-diimine Chemical compound C1CCCCC1N=CC=NC1CCCCC1 FNPXQPLDGZMBSL-UHFFFAOYSA-N 0.000 description 13
- 239000010779 crude oil Substances 0.000 description 11
- 230000008021 deposition Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 6
- 239000010466 nut oil Substances 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000012047 saturated solution Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- QFLWZFQWSBQYPS-AWRAUJHKSA-N (3S)-3-[[(2S)-2-[[(2S)-2-[5-[(3aS,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-[1-bis(4-chlorophenoxy)phosphorylbutylamino]-4-oxobutanoic acid Chemical group CCCC(NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](NC(=O)CCCCC1SC[C@@H]2NC(=O)N[C@H]12)C(C)C)P(=O)(Oc1ccc(Cl)cc1)Oc1ccc(Cl)cc1 QFLWZFQWSBQYPS-AWRAUJHKSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 150000002926 oxygen Chemical class 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 150000003222 pyridines Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910001422 barium ion Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- KCXFHTAICRTXLI-UHFFFAOYSA-N propane-1-sulfonic acid Chemical compound CCCS(O)(=O)=O KCXFHTAICRTXLI-UHFFFAOYSA-N 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910001427 strontium ion Inorganic materials 0.000 description 1
- PWYYWQHXAPXYMF-UHFFFAOYSA-N strontium(2+) Chemical compound [Sr+2] PWYYWQHXAPXYMF-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1637—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The present invention relates to a kind of anti-corrosions, wax control, antifouling coating and preparation method thereof, the raw material components of the coating are by weight, comprising: metronidazole modified graphene oxide composite material 10-12 parts by weight, polysulfide-epoxidized block copolymer 4-7 parts by weight, polyimide resin 15-20 parts by weight, polyflon 2-6 parts by weight, tetramethylthiuram disulfide 1-2 parts by weight, filler 14-19 parts by weight, solvent 40-48 parts by weight, scale preventative 3-5 parts by weight and curing agent 6-8 parts by weight.Coating provided by the invention can effectively prevent the formation of barium and strontium sulfate etc., avoid the occurrence of blocking of the fouling to pipeline and equipment, and antiscaling rate is high；Antiseptic property and wax control result are good, and have excellent wearability, heat-resisting quantity and higher impact strength；Curing time is short, can reduce construction period；It prepares convenient, low in cost, performance to stablize, can be widely used for tubing and casing, drilling rod and the oil pipe etc. in protection oilfield exploitation.
Description
Technical field
The present invention relates to oil field technical field of coatings, and in particular to a kind of anti-corrosion, wax control, antifouling coating and its preparation side
Method.
Background technique
The crude oil of most oilfields production at present is waxy crude oil, wax (the predominantly C dissolved in crude oil15-C70It is straight
Alkane is solid under room temperature, when mixing Shi Zewei viscous liquid with colloid, the asphalitine in crude oil) in crude oil from shaft bottom
During being raised to well head, due to the reduction of temperature, pressure, solubility is caused to decline and be precipitated and condense on the equipment wall of underground
Form wax deposition.Well wellbore wax deposition will reduce production efficiency, and " wax card " is caused when serious and is stopped production；Wax deposition will be reduced and be managed
Effective flow area on road increases discharge pressure, reduces conveying capacity, while can also bring to restarting after pipeline shutdown tired
Difficulty may also result in pipeline jam accident when serious.After oil well stops production because of wax deposition, wax removal work difficulty is big, large labor intensity, needs
Consume a large amount of human and material resources.
It therefore, is the normal operation for ensureing oil well and gathering line, wax deposition problem has become each oil field unit and is badly in need of solving
The problem of.And Wax proofing is mainly used and fills wax-proofing agent, changes tube surfaces property, heats except wax control, coats wax control painting
The several methods such as layer, wherein coating anti-caking wax coating is most effective Wax proofing method.After the good anti-paraffin coating of paintability,
The wax removal frequency of pipeline only has original 1/tens, greatly reduces energy consumption and cost of labor.But anti-paraffin coating requires to have
Good inhibiting rate for wax precipitation, antiseptic property and anti-scaling property, and shaft bottom high temperature and high pressure can be born, while also needing low cost, it is more
The coating that a technical conditions are able to satisfy after integrating is few.Therefore, the anti-Wax coatings that research and development adapt to oil field special operation condition have
Important meaning.
Summary of the invention
For the defects in the prior art, it is an object of that present invention to provide a kind of anti-corrosion, wax control, antifouling coating and its preparations
Method, the coating can effectively prevent the formation of barium and strontium sulfate etc., avoid the occurrence of blocking of the fouling to pipeline and equipment, antiscaling rate
It is high；Antiseptic property and wax control result are good, and have excellent wearability, heat-resisting quantity and higher impact strength；When solidification
Between it is short, construction period can be reduced；It prepares convenient, low in cost, performance to stablize, can be widely used for the oil jacket in protection oilfield exploitation
Pipe, drilling rod and oil pipe etc..
To achieve the above object, technical solution provided by the invention are as follows:
The present invention provides a kind of anti-corrosion, wax control, antifouling coatings, and raw material components are by weight, comprising: metronidazole is modified
Graphene oxide composite material 10-12 parts by weight, polysulfide-epoxidized block copolymer 4-7 parts by weight, polyimide resin 15-20
It is parts by weight, polyflon 2-6 parts by weight, tetramethylthiuram disulfide 1-2 parts by weight, filler 14-19 parts by weight, molten
Agent 40-48 parts by weight, scale preventative 3-5 parts by weight and curing agent 6-8 parts by weight.
Preferably, polysulfide-epoxidized block copolymer is by liquid polysulfide prepolymer and bisphenol A type epoxy resin in organic amine
Reaction is prepared under the action of class catalyst；Wherein, the mass ratio of liquid polysulfide prepolymer and bisphenol A type epoxy resin is
100:(125-135)；The mass ratio of liquid polysulfide prepolymer and organic amine catalyst is 100:(12-15).
It is further preferred that end sulfydryl liquid polysulfide of the average molecular weight of liquid polysulfide prepolymer in 500-10000 is pre-
Polymers, organic amine catalyst are 2,4,6- tri- (N, N- dimethylaminomethyl) phenol；The temperature of reaction is 80-90 DEG C, reaction
Time be 6-7h.
Preferably, filler is selected from nano silica, nanometer titanium dioxide, nano zine oxide, nano aluminium oxide and polytetrafluoro
One of ethylene micro mist or a variety of mixtures；The partial size of filler is 100-150nm.
Preferably, solvent is selected from one of dimethylformamide, n-butanol, N-Methyl pyrrolidone and acetone or a variety of
Mixture.
Preferably, it is heated after the preparation method of scale preventative is comprising steps of maleic anhydride, ammonium persulfate and water are mixed
Stirring is to being completely dissolved；Obtained mixture is warming up to 80-85 DEG C, acrylic acid and 2- acrylamido -2- first is then added dropwise
Base propane sulfonic acid；6-7h is persistently stirred after completion of dropwise addition under 80-85 DEG C of temperature environment, removes supernatant liquor after cooling concentration,
Obtain scale preventative；Wherein, the matter of maleic anhydride, ammonium persulfate, acrylic acid, 2- acrylamido -2- methyl propane sulfonic acid
Amount is than being (20-25): 1:(45-50): (8-10).
Preferably, it is 1:(78-85 that curing agent, which is mass ratio): (1.0-1.6): diaminodiphenyl ether, the waist of (2.5-3.0)
The mixture of shell oil modified phenolic amine, organic phosphite and chromic acid diphenylguanidine.
Preferably, metronidazole modified graphene oxide composite material preparation method comprising steps of by crystalline flake graphite with it is dense
Sulfuric acid mixes, and 20-25min is stirred to react in ice bath after ultrasonic disperse；Sodium nitrate the reaction was continued 20-25min is added later, then
Potassium permanganate is added and reacts 100-110min；Obtained mixture stirs to the reaction was continued in 39 DEG C of oil bath pan 2-3h, then
Water is added, reaction temperature is risen to 95 DEG C, hydrogenperoxide steam generator is added after reacting 1-2h, reacts 40-50min, uses hydrochloric acid later
Washing, then be successively centrifuged, dried, ground, obtain graphene oxide；Graphite oxide is added in maleic anhydride upon dissolution
Alkene reacts 4-5h, adds water and be warming up to 86 DEG C of reaction 18-20h, successively filtered, washed, dried, ground later, obtained
To maleic anhydride modified graphene oxide；Maleic anhydride modified graphene oxide is dispersed in dimethylformamide, so
Metronidazole, dicyclohexyl diimine and 4-dimethylaminopyridine, under inert atmosphere protection, 76-78 DEG C of reaction 45- are added afterwards
47h obtains metronidazole modified graphene oxide composite material.
It is further preferred that in the preparation method of metronidazole modified graphene oxide composite material, the quality of hydrogen peroxide
Concentration is 10%-12%, and the molar concentration of hydrochloric acid is 0.35-0.45mol/L；Crystalline flake graphite and the concentrated sulfuric acid, sodium nitrate, permanganic acid
Potassium, hydrogenperoxide steam generator weight ratio be 1:(40-50): (1.2-1.5): (4-8): (50-60)；Graphene oxide and maleic acid
The weight ratio of acid anhydride is 1:(10-20)；Maleic anhydride modified graphene oxide, dimethylformamide, metronidazole, dicyclohexyl two
Imines, 4-dimethylaminopyridine weight ratio be 1:(50-60): (8-10): (1-2): 0.008.
The present invention also provides above-mentioned anti-corrosions, the preparation method of wax control, antifouling coating, comprising steps of polysulfide-epoxy is embedding
Section copolymer, polyimide resin, polyflon, tetramethylthiuram disulfide and solvent are uniformly mixed, and are being continued
Under conditions of stirring, 20-30min is kept the temperature after being warming up to 64-68 DEG C with the heating rate of 0.2-0.5 DEG C/min, it is then added
Its surplus stock component, then be continuously heating to 125-130 DEG C with the heating rate of 0.1-0.2 DEG C/min, keeps the temperature 4-5h, then with
The rate of 2.1-2.3 DEG C/min is cooled to room temperature, obtains coating.
The present invention also protects the application of above-mentioned anti-corrosion, wax control, antifouling coating in oilfield, including tubing and casing, drilling rod
It, also should be within the scope of the present invention with oil pipe etc..
Technical solution provided by the invention, with following the utility model has the advantages that (1) present invention is modified oxygen by using metronidazole
Graphite alkene composite material and filler are cooperated as raw material components, and with other raw materials, can increase chemisorption, are improved
Its adhesive force；Slow down corrosion rate, chemical bonding prevents chloride ion, water, oxygen and other corrosive mediums with chemisorption
Metalepsis makes it be not susceptible to corrosion reaction, can significantly improve the antiseptic property of coating；(2) coating provided by the invention
The formation that can effectively prevent barium and strontium sulfate etc., avoids the occurrence of blocking of the fouling to pipeline and equipment, and antiscaling rate is high；(3) this hair
The coating of bright offer, coating obtained are not in pin hole, and have good wax control result, excellent wearability, very high
Heat-resisting quantity and higher impact strength；(4) coating thickness of coating provided by the invention is 10 μm -500 μm, curing time
It is short, construction period can be reduced, to reduce cost；(5) coating preparation provided by the invention is convenient, low in cost, performance is stable,
It has a good application prospect, can be widely used for tubing and casing, drilling rod and the oil pipe etc. in protection oilfield exploitation.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described.Implement below
Example is only used for clearly illustrating technical solution of the present invention, therefore is intended only as example, and cannot be used as a limitation and limit this hair
Bright protection scope.
Experimental method in following embodiments is unless otherwise specified conventional method.Examination as used in the following examples
Material is tested, is to be commercially available from regular shops unless otherwise specified.Quantitative test in following embodiment, is respectively provided with three
Secondary to repeat to test, data are the average value or mean+SD of three repeated experiments.
Prepare anti-corrosion of the present invention, wax control, antifouling coating each raw material component be according to parts by weight as matching, when producing
Can increase or reduce according to corresponding ratio, as large-scale production can by kilogram or as unit of ton, small-scale production can also be with
It gram is unit, weight can increase or reduce, but the quality proportioning constant rate between each composition.
The present invention provides a kind of anti-corrosion, wax control, antifouling coating, and raw material components are by weight, comprising: the modified oxygen of metronidazole
Graphite alkene composite material 10-12 parts by weight, polysulfide-epoxidized block copolymer 4-7 parts by weight, polyimide resin 15-20 weight
Measure part, polyflon 2-6 parts by weight, tetramethylthiuram disulfide 1-2 parts by weight, filler 14-19 parts by weight, solvent
40-48 parts by weight, scale preventative 3-5 parts by weight and curing agent 6-8 parts by weight.
Wherein, the preparation method of metronidazole modified graphene oxide composite material is comprising steps of by crystalline flake graphite and dense sulphur
Acid-mixed is closed, and 20-25min is stirred to react in ice bath after ultrasonic disperse；It is added sodium nitrate the reaction was continued 20-25min later, then plus
Enter potassium permanganate reaction 100-110min；Obtained mixture stirs to the reaction was continued in 39 DEG C of oil bath pan 2-3h, then plus
Enter water, reaction temperature is risen to 95 DEG C, the hydrogenperoxide steam generator that mass concentration is 10%-12%, reaction is added after reacting 1-2h
40-50min, the salt acid elution for being later 0.35-0.45mol/L with molar concentration, then be successively centrifuged, dried, ground, it obtains
To graphene oxide；The weight ratio of crystalline flake graphite and the concentrated sulfuric acid, sodium nitrate, potassium permanganate, hydrogenperoxide steam generator is 1:(40-
50): (1.2-1.5): (4-8): (50-60)；It is added graphene oxide in maleic anhydride upon dissolution, reacts 4-5h, then plus
Enter water and be warming up to 86 DEG C of reaction 18-20h, is successively filtered, washed, dried, ground later, obtained maleic anhydride modified
Graphene oxide；The weight ratio of graphene oxide and maleic anhydride is 1:(10-20)；By maleic anhydride modified graphene oxide
It is dispersed in dimethylformamide, metronidazole, dicyclohexyl diimine and 4-dimethylaminopyridine is then added, in inert atmosphere
Under protection, 76-78 DEG C of reaction 45-47h obtains metronidazole modified graphene oxide composite material；Maleic anhydride modified oxidation
Graphene, dimethylformamide, metronidazole, dicyclohexyl diimine, 4-dimethylaminopyridine weight ratio be 1:(50-60):
(8-10): (1-2): 0.008.
Polysulfide-epoxidized block copolymer be by average molecular weight 500-10000 end sulfydryl liquid polysulfide prepolymer and
Bisphenol A type epoxy resin reacts preparation under the action of organic amine catalyst 2,4,6- tri- (N, N- dimethylaminomethyl) phenol
It forms, the temperature of reaction is 80-90 DEG C, and the time of reaction is 6-7h；Hold sulfydryl liquid polysulfide prepolymer and bisphenol type epoxy tree
The mass ratio of rouge is 100:(125-135)；Holding the mass ratio of sulfydryl liquid polysulfide prepolymer and organic amine catalyst is 100:
(12-15)。
Filler is selected from nano silica, nanometer titanium dioxide, nano zine oxide, nano aluminium oxide and ptfe micropowder
One of or a variety of mixtures；The partial size of filler is 100-150nm.
Solvent is selected from one of dimethylformamide, n-butanol, N-Methyl pyrrolidone and acetone or a variety of mixing
Object.
The preparation method of scale preventative is comprising steps of extremely by heating stirring after the mixing of maleic anhydride, ammonium persulfate and water
It is completely dissolved；Obtained mixture is warming up to 80-85 DEG C, acrylic acid and 2- acrylamido -2- methyl-prop sulphur is then added dropwise
Acid；6-7h is persistently stirred after completion of dropwise addition under 80-85 DEG C of temperature environment, supernatant liquor is removed after cooling concentration to get arriving
Scale preventative；Maleic anhydride, ammonium persulfate, acrylic acid, 2- acrylamido -2- methyl propane sulfonic acid mass ratio be (20-
25): 1:(45-50): (8-10).
Curing agent is that mass ratio is 1:(78-85): (1.0-1.6): diaminodiphenyl ether, the cashew nut shell oil of (2.5-3.0)
The mixture of modified phenolic amine, organic phosphite and chromic acid diphenylguanidine.
In addition, including the following steps: the present invention also provides above-mentioned anti-corrosion, the preparation method of wax control, antifouling coating
By polysulfide-epoxidized block copolymer, polyimide resin, polyflon and tetramethylthiuram disulfide
It is uniformly mixed, under continuous agitation, keeps the temperature 20- after being warming up to 64-68 DEG C with the heating rate of 0.2-0.5 DEG C/min
Then 30min is added other surplus stock components, then is continuously heating to 125-130 with the heating rate of 0.1-0.2 DEG C/min
DEG C, 4-5h is kept the temperature, then room temperature is cooled to the rate of 2.1-2.3 DEG C/min, obtains coating.
Anti-corrosion provided by the invention, wax control, antifouling coating and preparation method thereof are made into one combined with specific embodiments below
Walk explanation.
Embodiment 1
The present embodiment provides a kind of anti-corrosion, wax control, antifouling coatings, and raw material components are by weight, comprising: metronidazole is modified
10 parts by weight of graphene oxide composite material, 15 parts by weight of polyimide resin, are gathered at 7 parts by weight of polysulfide-epoxidized block copolymer
6 parts by weight of tetrafluoroethylene resin, 1 parts by weight of tetramethylthiuram disulfide, 19 parts by weight of filler, 40 parts by weight of solvent, antiscale
6 parts by weight of 5 parts by weight of agent and curing agent.
Wherein, the preparation method of metronidazole modified graphene oxide composite material is comprising steps of by crystalline flake graphite and dense sulphur
Acid-mixed is closed, and 20min is stirred to react in ice bath after ultrasonic disperse；Sodium nitrate the reaction was continued 20min is added later, adds Gao Meng
Sour nak response 100min；Obtained mixture stirs to the reaction was continued in 39 DEG C of oil bath pan 2h, adds water, will reaction temperature
Degree rises to 95 DEG C, and the hydrogenperoxide steam generator that mass concentration is 10% is added after reacting 1h, reacts 40min, uses molar concentration later
It for the salt acid elution of 0.35mol/L, then is successively centrifuged, dried, ground, obtain graphene oxide；Crystalline flake graphite and dense sulphur
Acid, sodium nitrate, potassium permanganate, hydrogenperoxide steam generator weight ratio be 1:40:1.2:4:50；Add in maleic anhydride upon dissolution
Enter graphene oxide, reacts 4h, add water and be warming up to 86 DEG C of reaction 18h, successively filtered, washed, dried, ground later
Mill, obtains maleic anhydride modified graphene oxide；The weight ratio of graphene oxide and maleic anhydride is 1:10；By maleic anhydride
Modified graphene oxide is dispersed in dimethylformamide, and metronidazole, dicyclohexyl diimine and 4- diformazan ammonia is then added
Yl pyridines, under inert atmosphere protection, 76 DEG C of reaction 45h obtain metronidazole modified graphene oxide composite material；Maleic anhydride
Modified graphene oxide, dimethylformamide, metronidazole, dicyclohexyl diimine, 4-dimethylaminopyridine weight ratio be
1:50:8:1:0.008.
Polysulfide-epoxidized block copolymer is the end sulfydryl liquid polysulfide prepolymer and bisphenol-A by average molecular weight 1000
Type epoxy resin reacts under the action of organic amine catalyst 2,4,6- tri- (N, N- dimethylaminomethyl) phenol to be prepared,
The temperature of reaction is 80 DEG C, and the time of reaction is 6h；Hold the mass ratio of sulfydryl liquid polysulfide prepolymer and bisphenol A type epoxy resin
For 100:125；Holding the mass ratio of sulfydryl liquid polysulfide prepolymer and organic amine catalyst is 100:12.
Filler be mass ratio be 1:3 nano silica, nanometer titanium dioxide mixture；The partial size of filler is 100-
150nm。
Solvent is the mixture of the dimethylformamide that mass ratio is 1:1 and N-Methyl pyrrolidone.
The preparation method of scale preventative is comprising steps of extremely by heating stirring after the mixing of maleic anhydride, ammonium persulfate and water
It is completely dissolved；Obtained mixture is warming up to 80 DEG C, acrylic acid and 2- acrylamido -2- methyl propane sulfonic acid is then added dropwise；
6h is persistently stirred after completion of dropwise addition under 80 DEG C of temperature environment, supernatant liquor is removed after cooling concentration to get scale preventative is arrived；It is suitable
Anhydride maleique, ammonium persulfate, acrylic acid, 2- acrylamido -2- methyl propane sulfonic acid mass ratio be 20:1:45:8.
Curing agent is that mass ratio is the diaminodiphenyl ether of 1:78:1.0:2.5, cashew nut oil modified phenolic aldehyde amine, You Jiya
The mixture of phosphate and chromic acid diphenylguanidine.
Anti-corrosion, wax control, antifouling coating are prepared using preparation method provided by the invention by above-mentioned raw material:
By polysulfide-epoxidized block copolymer, polyimide resin, polyflon, tetramethylthiuram disulfide
It is uniformly mixed with solvent, under continuous agitation, keeps the temperature 20min after being warming up to 64 DEG C with the heating rate of 0.2 DEG C/min,
Then it is added other surplus stock components, then is continuously heating to 125 DEG C with the heating rate of 0.1 DEG C/min, keep the temperature 4h, then with
The rate of 2.1 DEG C/min is cooled to room temperature, obtains coating.
Embodiment 2
The present embodiment provides a kind of anti-corrosion, wax control, antifouling coatings, and raw material components are by weight, comprising: metronidazole is modified
12 parts by weight of graphene oxide composite material, 20 parts by weight of polyimide resin, are gathered at 4 parts by weight of polysulfide-epoxidized block copolymer
2 parts by weight of tetrafluoroethylene resin, 2 parts by weight of tetramethylthiuram disulfide, 14 parts by weight of filler, 48 parts by weight of solvent, antiscale
8 parts by weight of 3 parts by weight of agent and curing agent.
Wherein, the preparation method of metronidazole modified graphene oxide composite material is comprising steps of by crystalline flake graphite and dense sulphur
Acid-mixed is closed, and 25min is stirred to react in ice bath after ultrasonic disperse；Sodium nitrate the reaction was continued 25min is added later, adds Gao Meng
Sour nak response 110min；Obtained mixture stirs to the reaction was continued in 39 DEG C of oil bath pan 3h, adds water, will reaction temperature
Degree rises to 95 DEG C, and the hydrogenperoxide steam generator that mass concentration is 12% is added after reacting 2h, reacts 50min, uses molar concentration later
It for the salt acid elution of 0.45mol/L, then is successively centrifuged, dried, ground, obtain graphene oxide；Crystalline flake graphite and dense sulphur
Acid, sodium nitrate, potassium permanganate, hydrogenperoxide steam generator weight ratio be 1:50:1.5:8:60；Add in maleic anhydride upon dissolution
Enter graphene oxide, reacts 5h, add water and be warming up to 86 DEG C of reaction 20h, successively filtered, washed, dried, ground later
Mill, obtains maleic anhydride modified graphene oxide；The weight ratio of graphene oxide and maleic anhydride is 1:20；By maleic anhydride
Modified graphene oxide is dispersed in dimethylformamide, and metronidazole, dicyclohexyl diimine and 4- diformazan ammonia is then added
Yl pyridines, under inert atmosphere protection, 78 DEG C of reaction 47h obtain metronidazole modified graphene oxide composite material；Maleic anhydride
Modified graphene oxide, dimethylformamide, metronidazole, dicyclohexyl diimine, 4-dimethylaminopyridine weight ratio be
1:60:10:2:0.008.
Polysulfide-epoxidized block copolymer is the end sulfydryl liquid polysulfide prepolymer and bisphenol-A by average molecular weight 9000
Type epoxy resin reacts under the action of organic amine catalyst 2,4,6- tri- (N, N- dimethylaminomethyl) phenol to be prepared,
The temperature of reaction is 90 DEG C, and the time of reaction is 7h；Hold the mass ratio of sulfydryl liquid polysulfide prepolymer and bisphenol A type epoxy resin
For 100:135；Holding the mass ratio of sulfydryl liquid polysulfide prepolymer and organic amine catalyst is 100:15.
Filler is the mixture of the nano zine oxide that mass ratio is 2:3 and ptfe micropowder；The partial size of filler is
100-150nm。
Solvent is that mass ratio is 31 dimethylformamide and the mixture of n-butanol.
The preparation method of scale preventative is comprising steps of extremely by heating stirring after the mixing of maleic anhydride, ammonium persulfate and water
It is completely dissolved；Obtained mixture is warming up to 85 DEG C, acrylic acid and 2- acrylamido -2- methyl propane sulfonic acid is then added dropwise；
7h is persistently stirred after completion of dropwise addition under 85 DEG C of temperature environment, supernatant liquor is removed after cooling concentration to get scale preventative is arrived；It is suitable
Anhydride maleique, ammonium persulfate, acrylic acid, 2- acrylamido -2- methyl propane sulfonic acid mass ratio be 25:1:50:10.
Curing agent is that mass ratio is the diaminodiphenyl ether of 1:85:1.6:3.0, cashew nut oil modified phenolic aldehyde amine, You Jiya
The mixture of phosphate and chromic acid diphenylguanidine.
Anti-corrosion, wax control, antifouling coating are prepared using preparation method provided by the invention by above-mentioned raw material:
By polysulfide-epoxidized block copolymer, polyimide resin, polyflon, tetramethylthiuram disulfide
It is uniformly mixed with solvent, under continuous agitation, keeps the temperature 30min after being warming up to 68 DEG C with the heating rate of 0.5 DEG C/min,
Then it is added other surplus stock components, then is continuously heating to 130 DEG C with the heating rate of 0.2 DEG C/min, keep the temperature 5h, then with
The rate of 2.3 DEG C/min is cooled to room temperature, obtains coating.
Embodiment 3
The present embodiment provides a kind of anti-corrosion, wax control, antifouling coatings, and raw material components are by weight, comprising: metronidazole is modified
11 parts by weight of graphene oxide composite material, 18 parts by weight of polyimide resin, are gathered at 5 parts by weight of polysulfide-epoxidized block copolymer
4 parts by weight of tetrafluoroethylene resin, 17 parts by weight of filler, 44 parts by weight of solvent, are prevented at 1.5 parts by weight of tetramethylthiuram disulfide
Dirty 4 parts by weight of agent and 7 parts by weight of curing agent.
Wherein, the preparation method of metronidazole modified graphene oxide composite material is comprising steps of by crystalline flake graphite and dense sulphur
Acid-mixed is closed, and 22min is stirred to react in ice bath after ultrasonic disperse；Sodium nitrate the reaction was continued 22min is added later, adds Gao Meng
Sour nak response 105min；Obtained mixture stirs to the reaction was continued in 39 DEG C of oil bath pan 2.5h, adds water, will react
Temperature rises to 95 DEG C, and the hydrogenperoxide steam generator that mass concentration is 11% is added after reacting 1.5h, reacts 46min, later with mole
Concentration is the salt acid elution of 0.40mol/L, then is successively centrifuged, dried, ground, and graphene oxide is obtained；Crystalline flake graphite with
The concentrated sulfuric acid, sodium nitrate, potassium permanganate, hydrogenperoxide steam generator weight ratio be 1:45:1.3:6:55；Maleic anhydride upon dissolution
Middle addition graphene oxide reacts 4.5h, adds water and be warming up to 86 DEG C of reaction 19h, successively filtered, washed later,
Dry, grinding, obtains maleic anhydride modified graphene oxide；The weight ratio of graphene oxide and maleic anhydride is 1:15；It will
Maleic anhydride modified graphene oxide is dispersed in dimethylformamide, then be added metronidazole, dicyclohexyl diimine and
4-dimethylaminopyridine, under inert atmosphere protection, 77 DEG C of reaction 46h obtain metronidazole modified graphene oxide composite material；
Maleic anhydride modified graphene oxide, dimethylformamide, metronidazole, dicyclohexyl diimine, 4-dimethylaminopyridine
Weight ratio is 1:55:9:1.5:0.008.
Polysulfide-epoxidized block copolymer is the end sulfydryl liquid polysulfide prepolymer and bisphenol-A by average molecular weight 5000
Type epoxy resin reacts under the action of organic amine catalyst 2,4,6- tri- (N, N- dimethylaminomethyl) phenol to be prepared,
The temperature of reaction is 85 DEG C, and the time of reaction is 6.5h；Hold the quality of sulfydryl liquid polysulfide prepolymer and bisphenol A type epoxy resin
Than for 100:130；Holding the mass ratio of sulfydryl liquid polysulfide prepolymer and organic amine catalyst is 100:14.
Filler is the mixture of nano silica, nanometer titanium dioxide and ptfe micropowder that mass ratio is 2:3:6；
The partial size of filler is 100-150nm.
Solvent is the mixture of dimethylformamide, n-butanol and N-Methyl pyrrolidone that mass ratio is 1:5:4.
The preparation method of scale preventative is comprising steps of extremely by heating stirring after the mixing of maleic anhydride, ammonium persulfate and water
It is completely dissolved；Obtained mixture is warming up to 82 DEG C, acrylic acid and 2- acrylamido -2- methyl propane sulfonic acid is then added dropwise；
6.5h is persistently stirred after completion of dropwise addition under 82 DEG C of temperature environment, supernatant liquor is removed after cooling concentration to get scale preventative is arrived；
Maleic anhydride, ammonium persulfate, acrylic acid, 2- acrylamido -2- methyl propane sulfonic acid mass ratio be 23:1:48:9.
Curing agent is that mass ratio is the diaminodiphenyl ether of 1:81:1.3:2.8, cashew nut oil modified phenolic aldehyde amine, You Jiya
The mixture of phosphate and chromic acid diphenylguanidine.
Anti-corrosion, wax control, antifouling coating are prepared using preparation method provided by the invention by above-mentioned raw material:
By polysulfide-epoxidized block copolymer, polyimide resin, polyflon, tetramethylthiuram disulfide
It is uniformly mixed with solvent, under continuous agitation, is kept the temperature after being warming up to 66 DEG C with the heating rate of 0.35 DEG C/min
Then 25min is added other surplus stock components, then is continuously heating to 128 DEG C with the heating rate of 0.15 DEG C/min, heat preservation
4.5h, then room temperature is cooled to the rate of 2.2 DEG C/min, obtain coating.
Comparative example 1
This comparative example provides a kind of coating, and raw material components are by weight, comprising: 5 weight of polysulfide-epoxidized block copolymer
Part, 1.5 parts by weight of tetramethylthiuram disulfide, is filled out at 18 parts by weight of polyimide resin, 4 parts by weight of polyflon
Expect 17 parts by weight, 7 parts by weight of 44 parts by weight of solvent, 4 parts by weight of scale preventative and curing agent.
Wherein, polysulfide-epoxidized block copolymer be by average molecular weight 5000 end sulfydryl liquid polysulfide prepolymer and
Bisphenol A type epoxy resin reacts preparation under the action of organic amine catalyst 2,4,6- tri- (N, N- dimethylaminomethyl) phenol
It forms, the temperature of reaction is 85 DEG C, and the time of reaction is 6.5h；Hold sulfydryl liquid polysulfide prepolymer and bisphenol A type epoxy resin
Mass ratio be 100:130；Holding the mass ratio of sulfydryl liquid polysulfide prepolymer and organic amine catalyst is 100:14.
Filler is the mixture of nano silica, nanometer titanium dioxide and ptfe micropowder that mass ratio is 2:3:6；
The partial size of filler is 100-150nm.
Solvent is the mixture of dimethylformamide, n-butanol and N-Methyl pyrrolidone that mass ratio is 1:5:4.
The preparation method of scale preventative is comprising steps of extremely by heating stirring after the mixing of maleic anhydride, ammonium persulfate and water
It is completely dissolved；Obtained mixture is warming up to 82 DEG C, acrylic acid and 2- acrylamido -2- methyl propane sulfonic acid is then added dropwise；
6.5h is persistently stirred after completion of dropwise addition under 82 DEG C of temperature environment, supernatant liquor is removed after cooling concentration to get scale preventative is arrived；
Maleic anhydride, ammonium persulfate, acrylic acid, 2- acrylamido -2- methyl propane sulfonic acid mass ratio be 23:1:48:9.
Curing agent is that mass ratio is the diaminodiphenyl ether of 1:81:1.3:2.8, cashew nut oil modified phenolic aldehyde amine, You Jiya
The mixture of phosphate and chromic acid diphenylguanidine.
By above-mentioned raw material, coating is prepared:
By polysulfide-epoxidized block copolymer, polyimide resin, polyflon, tetramethylthiuram disulfide
It is uniformly mixed with solvent, under continuous agitation, is kept the temperature after being warming up to 66 DEG C with the heating rate of 0.35 DEG C/min
Then 25min is added other surplus stock components, then is continuously heating to 128 DEG C with the heating rate of 0.15 DEG C/min, heat preservation
4.5h, then room temperature is cooled to the rate of 2.2 DEG C/min, obtain coating.
Comparative example 2
This comparative example provides a kind of coating, and raw material components are by weight, comprising: metronidazole modified graphene oxide is compound
11 parts by weight of material, 18 parts by weight of polyimide resin, 4 parts by weight of polyflon, tetramethylthiuram disulfide 1.5
Parts by weight, 17 parts by weight of filler, 7 parts by weight of 44 parts by weight of solvent, 4 parts by weight of scale preventative and curing agent.
Wherein, the preparation method of metronidazole modified graphene oxide composite material is comprising steps of by crystalline flake graphite and dense sulphur
Acid-mixed is closed, and 22min is stirred to react in ice bath after ultrasonic disperse；Sodium nitrate the reaction was continued 22min is added later, adds Gao Meng
Sour nak response 105min；Obtained mixture stirs to the reaction was continued in 39 DEG C of oil bath pan 2.5h, adds water, will react
Temperature rises to 95 DEG C, and the hydrogenperoxide steam generator that mass concentration is 11% is added after reacting 1.5h, reacts 46min, later with mole
Concentration is the salt acid elution of 0.40mol/L, then is successively centrifuged, dried, ground, and graphene oxide is obtained；Crystalline flake graphite with
The concentrated sulfuric acid, sodium nitrate, potassium permanganate, hydrogenperoxide steam generator weight ratio be 1:45:1.3:6:55；Maleic anhydride upon dissolution
Middle addition graphene oxide reacts 4.5h, adds water and be warming up to 86 DEG C of reaction 19h, successively filtered, washed later,
Dry, grinding, obtains maleic anhydride modified graphene oxide；The weight ratio of graphene oxide and maleic anhydride is 1:15；It will
Maleic anhydride modified graphene oxide is dispersed in dimethylformamide, then be added metronidazole, dicyclohexyl diimine and
4-dimethylaminopyridine, under inert atmosphere protection, 77 DEG C of reaction 46h obtain metronidazole modified graphene oxide composite material；
Maleic anhydride modified graphene oxide, dimethylformamide, metronidazole, dicyclohexyl diimine, 4-dimethylaminopyridine
Weight ratio is 1:55:9:1.5:0.008.
Bisphenol A type epoxy resin bisphenol A type epoxy resin filler be mass ratio be 2:3:6 nano silica, nanometer
The mixture of titanium dioxide and ptfe micropowder；The partial size of filler is 100-150nm.
Solvent is the mixture of dimethylformamide, n-butanol and N-Methyl pyrrolidone that mass ratio is 1:5:4.
The preparation method of scale preventative is comprising steps of extremely by heating stirring after the mixing of maleic anhydride, ammonium persulfate and water
It is completely dissolved；Obtained mixture is warming up to 82 DEG C, acrylic acid and 2- acrylamido -2- methyl propane sulfonic acid is then added dropwise；
6.5h is persistently stirred after completion of dropwise addition under 82 DEG C of temperature environment, supernatant liquor is removed after cooling concentration to get scale preventative is arrived；
Maleic anhydride, ammonium persulfate, acrylic acid, 2- acrylamido -2- methyl propane sulfonic acid mass ratio be 23:1:48:9.
Curing agent is that mass ratio is the diaminodiphenyl ether of 1:81:1.3:2.8, cashew nut oil modified phenolic aldehyde amine, You Jiya
The mixture of phosphate and chromic acid diphenylguanidine.
By above-mentioned raw material, coating is prepared:
By polysulfide-epoxidized block copolymer, polyimide resin, polyflon, tetramethylthiuram disulfide
It is uniformly mixed with solvent, under continuous agitation, is kept the temperature after being warming up to 66 DEG C with the heating rate of 0.35 DEG C/min
Then 25min is added other surplus stock components, then is continuously heating to 128 DEG C with the heating rate of 0.15 DEG C/min, heat preservation
4.5h, then room temperature is cooled to the rate of 2.2 DEG C/min, obtain coating.
Comparative example 3
This comparative example provides a kind of coating, and raw material components are by weight, comprising: metronidazole modified graphene oxide is compound
11 parts by weight of material, 5 parts by weight of polysulfide-epoxidized block copolymer, 18 parts by weight of polyimide resin, polyflon 4
Parts by weight, 1.5 parts by weight of tetramethylthiuram disulfide, 17 parts by weight of filler, 44 parts by weight of solvent, 4 parts by weight of scale preventative and
7 parts by weight of curing agent.
Wherein, the preparation method of metronidazole modified graphene oxide composite material is comprising steps of by crystalline flake graphite and dense sulphur
Acid-mixed is closed, and 22min is stirred to react in ice bath after ultrasonic disperse；Sodium nitrate the reaction was continued 22min is added later, adds Gao Meng
Sour nak response 105min；Obtained mixture stirs to the reaction was continued in 39 DEG C of oil bath pan 2.5h, adds water, will react
Temperature rises to 95 DEG C, and the hydrogenperoxide steam generator that mass concentration is 11% is added after reacting 1.5h, reacts 46min, later with mole
Concentration is the salt acid elution of 0.40mol/L, then is successively centrifuged, dried, ground, and graphene oxide is obtained；Crystalline flake graphite with
The concentrated sulfuric acid, sodium nitrate, potassium permanganate, hydrogenperoxide steam generator weight ratio be 1:45:1.3:6:55；Maleic anhydride upon dissolution
Middle addition graphene oxide reacts 4.5h, adds water and be warming up to 86 DEG C of reaction 19h, successively filtered, washed later,
Dry, grinding, obtains maleic anhydride modified graphene oxide；The weight ratio of graphene oxide and maleic anhydride is 1:15；It will
Maleic anhydride modified graphene oxide is dispersed in dimethylformamide, then be added metronidazole, dicyclohexyl diimine and
4-dimethylaminopyridine, under inert atmosphere protection, 77 DEG C of reaction 46h obtain metronidazole modified graphene oxide composite material；
Maleic anhydride modified graphene oxide, dimethylformamide, metronidazole, dicyclohexyl diimine, 4-dimethylaminopyridine
Weight ratio is 1:55:9:1.5:0.008.
Polysulfide-epoxidized block copolymer is the end sulfydryl liquid polysulfide prepolymer and bisphenol-A by average molecular weight 5000
Type epoxy resin reacts under the action of organic amine catalyst 2,4,6- tri- (N, N- dimethylaminomethyl) phenol to be prepared,
The temperature of reaction is 85 DEG C, and the time of reaction is 6.5h；Hold the quality of sulfydryl liquid polysulfide prepolymer and bisphenol A type epoxy resin
Than for 100:130；Holding the mass ratio of sulfydryl liquid polysulfide prepolymer and organic amine catalyst is 100:14.
Filler is the mixture of nano silica, nanometer titanium dioxide and ptfe micropowder that mass ratio is 2:3:6；
The partial size of filler is 100-150nm.
Solvent is the mixture of dimethylformamide, n-butanol and N-Methyl pyrrolidone that mass ratio is 1:5:4.
The preparation method of scale preventative is comprising steps of extremely by heating stirring after the mixing of maleic anhydride, ammonium persulfate and water
It is completely dissolved；Obtained mixture is warming up to 82 DEG C, acrylic acid and 2- acrylamido -2- methyl propane sulfonic acid is then added dropwise；
6.5h is persistently stirred after completion of dropwise addition under 82 DEG C of temperature environment, supernatant liquor is removed after cooling concentration to get scale preventative is arrived；
Maleic anhydride, ammonium persulfate, acrylic acid, 2- acrylamido -2- methyl propane sulfonic acid mass ratio be 23:1:48:9.
Curing agent is that mass ratio is the diaminodiphenyl ether of 1:81:1.3:2.8, cashew nut oil modified phenolic aldehyde amine, You Jiya
The mixture of phosphate and chromic acid diphenylguanidine.
By above-mentioned raw material, coating is prepared:
All raw material components are uniformly mixed, under continuous agitation, are heated up with the heating rate of 0.35 DEG C/min
Keep the temperature 25min after to 66 DEG C, then be continuously heating to 128 DEG C with the heating rate of 0.15 DEG C/min, keep the temperature 4.5h, then with 2.2 DEG C/
The rate of min is cooled to room temperature, obtains coating.
Anti-corrosion that the embodiment of the present invention 1 is prepared to embodiment 3, wax control, antifouling coating, passage capacity are tested to comment
Its effect of valence, and using comparative example 1 to the coating that comparative example 3 is prepared as control.
18 identical oil pipes are divided into 6 groups, every group 3.The coating that embodiment 1-3, comparative example 1-3 are prepared point
Different groups of oil pipe surfaces externally and internallies are not sprayed by spraying equipment, coating layer thickness is 50 μm, after spraying, at solidification
Reason, just obtains spraying cated oil pipe.Each group oil pipe is carried out to antiseptic property, wax control performance, anti-scaling property test, knot respectively
Fruit takes every group of average value.
1, antiseptic property is tested
The oil pipe that the coating of embodiment 1-3, comparative example 1-3 will be coated carries out acid resistance, alkali resistance and resistant to saline solution performance
Detection, obtained result are as shown in table 1 below.
1 antiseptic property test result of table
2, wax control performance test
The control oil pipe sample of oil pipe and uncoated coating that the coating of embodiment 1-3, comparative example 1-3 will be coated is solid respectively
It is scheduled on wax deposition device, contacts sample one side with recirculated water, can be contacted on one side with crude oil.The appropriate crude oil containing 21.7% wax is added
Enter and measure container, condensation point of crude oil is 35 DEG C, to 45 DEG C and is stirred with heating water bath, stirring rate 500r/min, constant temperature 0.5h.
Wax deposition device is immersed in the crude oil in measurement container, makes sample 5cm under liquid level, sample is vertical with crude oil flow direction.Toward wax deposition device
Towards recirculated water, with given pace cooling samples, it is allowed to drop to about 30 DEG C, the temperature difference kept constant with crude oil.After constant 1h, take
Wax deposition device out removes sample, weighs and calculates inhibiting rate for wax precipitation.
Wax deposit amount when inhibiting rate for wax precipitation=(the wax deposit amount after wax deposit amount-applying coating when uncoated)/uncoated
× 100%.
The result being calculated is as shown in table 2 below.
2 wax control the performance test results of table
| Group | Wax control result | Group | Wax control result |
| Embodiment 1 | 99.13% | Comparative example 1 | 78.52% |
| Embodiment 2 | 99.06% | Comparative example 2 | 76.34% |
| Embodiment 3 | 99.27% | Comparative example 3 | 92.58% |
3, anti-scaling property is tested
At 80 DEG C, the mixing saturated solution of barium sulfate, strontium sulfate, calcium sulfate, calcium carbonate is prepared.Coating will have been sprayed
Sample (oil pipe) is placed in above-mentioned mixing saturated solution, is placed 200 hours in 80 DEG C, closed environment.Before test plate (panel) is placed in detection
The concentration of barium ions, strontium ion, calcium ion in saturated solution is mixed afterwards, and calculates the concentration difference placed before and after test plate (panel).It uses simultaneously
The sample board for not doing coating does blank plate test.The concentration difference of blank plate test is V0, concentration difference is V when coating sample plate1.It is anti-
Dirty effect are as follows: V=[(V0-V1)/V0] × 100%.The result being calculated is as shown in table 3 below.
3 anti-scaling property test result of table
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.Unless specifically stated otherwise, it otherwise illustrates in these embodiments
Component and opposite step, numerical expression and the numerical value of step are not limit the scope of the invention.It is illustrated and described herein
In all examples, unless otherwise prescribed, any occurrence should be construed as merely illustratively, not as limitation, because
This, other examples of exemplary embodiment can have different values.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention,
The meaning of " plurality " is two or more, unless otherwise specifically defined.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in protection scope of the present invention.
Claims (10)
1. a kind of anti-corrosion, wax control, antifouling coating, which is characterized in that raw material components are by weight, comprising:
Metronidazole modified graphene oxide composite material 10-12 parts by weight, polysulfide-epoxidized block copolymer 4-7 parts by weight, polyamides
Imide resin 15-20 parts by weight, polyflon 2-6 parts by weight, tetramethylthiuram disulfide 1-2 parts by weight, filler
14-19 parts by weight, solvent 40-48 parts by weight, scale preventative 3-5 parts by weight and curing agent 6-8 parts by weight.
2. anti-corrosion according to claim 1, wax control, antifouling coating, it is characterised in that:
Polysulfide-the epoxidized block copolymer is to be catalyzed by liquid polysulfide prepolymer and bisphenol A type epoxy resin in organic amine
Reaction is prepared under the action of agent；Wherein, the mass ratio of the liquid polysulfide prepolymer and the bisphenol A type epoxy resin is
100:(125-135)；The mass ratio of the liquid polysulfide prepolymer and the organic amine catalyst is 100:(12-15).
3. anti-corrosion according to claim 2, wax control, antifouling coating, it is characterised in that:
The average molecular weight of the liquid polysulfide prepolymer 500-10000 end sulfydryl liquid polysulfide prepolymer, it is described organic
Amines catalyst is 2,4,6- tri- (N, N- dimethylaminomethyl) phenol；
The temperature of the reaction is 80-90 DEG C, and the time of the reaction is 6-7h.
4. anti-corrosion according to claim 1, wax control, antifouling coating, it is characterised in that:
The filler is selected from nano silica, nanometer titanium dioxide, nano zine oxide, nano aluminium oxide and ptfe micropowder
One of or a variety of mixtures；The partial size of the filler is 100-150nm.
5. anti-corrosion according to claim 1, wax control, antifouling coating, it is characterised in that:
The solvent is selected from one of dimethylformamide, n-butanol, N-Methyl pyrrolidone and acetone or a variety of mixing
Object.
6. anti-corrosion according to claim 1, wax control, antifouling coating, which is characterized in that the preparation method packet of the scale preventative
Include step:
Heating stirring is to being completely dissolved after maleic anhydride, ammonium persulfate and water are mixed；
Obtained mixture is warming up to 80-85 DEG C, acrylic acid and 2- acrylamido -2- methyl propane sulfonic acid is then added dropwise；
6-7h is persistently stirred after completion of dropwise addition under 80-85 DEG C of temperature environment, supernatant liquor is removed after cooling concentration to get arriving
The scale preventative；
Wherein, the maleic anhydride, the ammonium persulfate, the acrylic acid, the 2- acrylamido -2- methyl-prop sulphur
The mass ratio of acid is (20-25): 1:(45-50): (8-10).
7. anti-corrosion according to claim 1, wax control, antifouling coating, it is characterised in that:
The curing agent is that mass ratio is 1:(78-85): (1.0-1.6): diaminodiphenyl ether, the cashew nut shell oil of (2.5-3.0)
The mixture of modified phenolic amine, organic phosphite and chromic acid diphenylguanidine.
8. anti-corrosion according to claim 1, wax control, antifouling coating, which is characterized in that the metronidazole modified graphite oxide
The preparation method of alkene composite material comprising steps of
Crystalline flake graphite is mixed with the concentrated sulfuric acid, is stirred to react 20-25min after ultrasonic disperse in ice bath；Sodium nitrate is added later
The reaction was continued 20-25min adds potassium permanganate reaction 100-110min；By obtained mixture in 39 DEG C of oil bath pan
Stirring the reaction was continued 2-3h, adds water, and reaction temperature is risen to 95 DEG C, hydrogenperoxide steam generator is added after reacting 1-2h, is reacted
40-50min uses salt acid elution later, then is successively centrifuged, dried, ground, and obtains graphene oxide；
The graphene oxide is added in maleic anhydride upon dissolution, reacts 4-5h, adds water and be warming up to 86 DEG C of reactions
18-20h is successively filtered later, is washed, is dried, is ground, and maleic anhydride modified graphene oxide is obtained；
The maleic anhydride modified graphene oxide is dispersed in dimethylformamide, metronidazole, two hexamethylenes is then added
Base diimine and 4-dimethylaminopyridine, under inert atmosphere protection, 76-78 DEG C of reaction 45-47h obtains the metronidazole and changes
Property graphene oxide composite material.
9. anti-corrosion according to claim 8, wax control, antifouling coating, it is characterised in that:
The mass concentration of the hydrogen peroxide is 10%-12%, and the molar concentration of the hydrochloric acid is 0.35-0.45mol/L；
The weight ratio of the crystalline flake graphite and the concentrated sulfuric acid, the sodium nitrate, the potassium permanganate, the hydrogenperoxide steam generator
For 1:(40-50): (1.2-1.5): (4-8): (50-60)；
The weight ratio of the graphene oxide and the maleic anhydride is 1:(10-20)；
The maleic anhydride modified graphene oxide, the dimethylformamide, the metronidazole, the dicyclohexyl two are sub-
Amine, the 4-dimethylaminopyridine weight ratio be 1:(50-60): (8-10): (1-2): 0.008.
10. the described in any item anti-corrosions of claim 1-9, the preparation method of wax control, antifouling coating, which is characterized in that including step
It is rapid:
By polysulfide-epoxidized block copolymer, polyimide resin, polyflon, tetramethylthiuram disulfide and molten
Agent is uniformly mixed, and under continuous agitation, keeps the temperature 20- after being warming up to 64-68 DEG C with the heating rate of 0.2-0.5 DEG C/min
Then 30min is added other surplus stock components, then is continuously heating to 125-130 with the heating rate of 0.1-0.2 DEG C/min
DEG C, 4-5h is kept the temperature, then room temperature is cooled to the rate of 2.1-2.3 DEG C/min, obtains the coating.
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