JP6265579B2 - アルミニウム製熱交換器用表面処理剤及び表面処理方法 - Google Patents
アルミニウム製熱交換器用表面処理剤及び表面処理方法 Download PDFInfo
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- JP6265579B2 JP6265579B2 JP2011218051A JP2011218051A JP6265579B2 JP 6265579 B2 JP6265579 B2 JP 6265579B2 JP 2011218051 A JP2011218051 A JP 2011218051A JP 2011218051 A JP2011218051 A JP 2011218051A JP 6265579 B2 JP6265579 B2 JP 6265579B2
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- aluminum
- zirconium
- heat exchanger
- vanadium
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 122
- 229910052782 aluminium Inorganic materials 0.000 title claims description 110
- 239000012756 surface treatment agent Substances 0.000 title claims description 78
- 238000000034 method Methods 0.000 title claims description 42
- 238000004381 surface treatment Methods 0.000 title claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 97
- 239000000126 substance Substances 0.000 claims description 95
- 229910052726 zirconium Inorganic materials 0.000 claims description 74
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 71
- 229910052720 vanadium Inorganic materials 0.000 claims description 63
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 63
- 239000003795 chemical substances by application Substances 0.000 claims description 56
- 238000001035 drying Methods 0.000 claims description 38
- 239000011737 fluorine Substances 0.000 claims description 31
- 229910052731 fluorine Inorganic materials 0.000 claims description 31
- 229920000058 polyacrylate Polymers 0.000 claims description 24
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 23
- -1 vanadyl phosphate Chemical compound 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 8
- NRKQBMOGOKEWPX-UHFFFAOYSA-N vanadyl nitrate Chemical compound [O-][N+](=O)O[V](=O)(O[N+]([O-])=O)O[N+]([O-])=O NRKQBMOGOKEWPX-UHFFFAOYSA-N 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000379 polymerizing effect Effects 0.000 claims description 4
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 claims description 4
- 229940041260 vanadyl sulfate Drugs 0.000 claims description 4
- 229910000352 vanadyl sulfate Inorganic materials 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 45
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 31
- 230000002265 prevention Effects 0.000 description 27
- 235000019645 odor Nutrition 0.000 description 25
- 229920002451 polyvinyl alcohol Polymers 0.000 description 22
- 229910052751 metal Inorganic materials 0.000 description 21
- 239000002184 metal Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 238000011156 evaluation Methods 0.000 description 20
- 239000000377 silicon dioxide Substances 0.000 description 20
- 239000010419 fine particle Substances 0.000 description 16
- 238000005530 etching Methods 0.000 description 15
- 238000005406 washing Methods 0.000 description 11
- 238000005554 pickling Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
- 150000003682 vanadium compounds Chemical class 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 150000003755 zirconium compounds Chemical class 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229920002125 Sokalan® Polymers 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000004584 polyacrylic acid Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 238000007739 conversion coating Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 229910021485 fumed silica Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920001477 hydrophilic polymer Polymers 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- 229960001763 zinc sulfate Drugs 0.000 description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 description 2
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- BWLBGMIXKSTLSX-UHFFFAOYSA-N 2-hydroxyisobutyric acid Chemical compound CC(C)(O)C(O)=O BWLBGMIXKSTLSX-UHFFFAOYSA-N 0.000 description 1
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- WRAGBEWQGHCDDU-UHFFFAOYSA-M C([O-])([O-])=O.[NH4+].[Zr+] Chemical compound C([O-])([O-])=O.[NH4+].[Zr+] WRAGBEWQGHCDDU-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
- DHIQFRYYKFYQFL-UHFFFAOYSA-F [F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[Zr+4].[Zr+4] Chemical compound [F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[Zr+4].[Zr+4] DHIQFRYYKFYQFL-UHFFFAOYSA-F 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- UPFKFPDKDJPNJZ-UHFFFAOYSA-M fluoroalumane Chemical class [AlH2]F UPFKFPDKDJPNJZ-UHFFFAOYSA-M 0.000 description 1
- APURLPHDHPNUFL-UHFFFAOYSA-M fluoroaluminum Chemical compound [Al]F APURLPHDHPNUFL-UHFFFAOYSA-M 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- 229960002261 magnesium phosphate Drugs 0.000 description 1
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 1
- 235000010994 magnesium phosphates Nutrition 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002006 poly(N-vinylimidazole) polymer Polymers 0.000 description 1
- 229920000083 poly(allylamine) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
- 229910001456 vanadium ion Inorganic materials 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- LGBZAKBGIHHRLI-UHFFFAOYSA-N zirconium hydrofluoride Chemical compound [Zr].F.[Zr] LGBZAKBGIHHRLI-UHFFFAOYSA-N 0.000 description 1
- OMQSJNWFFJOIMO-UHFFFAOYSA-J zirconium tetrafluoride Chemical compound F[Zr](F)(F)F OMQSJNWFFJOIMO-UHFFFAOYSA-J 0.000 description 1
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 description 1
- XJUNLJFOHNHSAR-UHFFFAOYSA-J zirconium(4+);dicarbonate Chemical compound [Zr+4].[O-]C([O-])=O.[O-]C([O-])=O XJUNLJFOHNHSAR-UHFFFAOYSA-J 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 description 1
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Description
ジルコニウム元素と、
硫酸バナジル、硝酸バナジル及びリン酸バナジルからなる群より選ばれる少なくとも1種のバナジウムを含む化合物と、
アクリル酸、メタクリル酸及びこれらの誘導体からなる群から選ばれる1種以上を含む単量体を重合して得られる重合体と、
アルミニウム元素と、
フッ素元素と、を含み、
ジルコニウム元素の濃度が、ジルコニウム換算で100〜100,000質量ppmであり、
前記バナジウムを含む化合物由来のバナジウム元素の濃度が、バナジウム換算で50〜100,000質量ppmであり、
前記重合体の濃度が、100〜100,000質量ppmであり、
前記アルミニウム元素の濃度が、アルミニウム換算で5〜10,000質量ppmであり、
フッ素元素の濃度が、125〜125,000質量ppmであり、
アルミニウム換算の前記アルミニウム元素の濃度に対するジルコニウム換算の前記ジルコニウム元素の濃度の比(Zr/Al)が、4/1〜24/1であり、
バナジウム換算での前記バナジウム元素の濃度に対するジルコニウム換算でのジルコニウム元素の濃度の比(Zr/V)が1/2〜6/1であり、
前記フッ素元素の濃度に対するジルコニウム換算の前記ジルコニウム元素の濃度の比(Zr/F)が1/2〜9/10であり、
アルミニウム換算でのアルミニウム元素の濃度に対するバナジウム換算でのバナジウム元素の濃度の比(V/Al)が、4/1〜24/1であり、
前記重合体の濃度に対するジルコニウム換算でのジルコニウム元素の濃度とバナジウム換算でのバナジウム元素の濃度との合計の比((Zr+V)/重合体)が1/10〜2.5/1であり、
pHが0.5〜3であるアルミニウム製熱交換器用表面処理剤を提供する。
表面に酸化膜を有するアルミニウム製熱交換器に、本発明のアルミニウム製熱交換器用表面処理剤を接触させる化成処理工程と、
前記化成処理工程を経たアルミニウム製熱交換器を加熱乾燥させることで、表面に化成皮膜を形成する第一乾燥工程と、を備えるアルミニウム製熱交換器の表面処理方法を提供する。
上記親水化処理工程で上記化成皮膜の表面に形成された親水化処理剤膜を乾燥させて、化成皮膜の表面に親水性皮膜を形成する第二乾燥工程と、をさらに備えることが好ましい。
本実施形態の表面処理剤で処理されるアルミニウム製熱交換器は、自動車エアコン用途に好ましく用いられる。ここで、「アルミニウム製」とは、アルミニウム又はアルミニウム合金(以下、単に「アルミニウム」という。)からなることを意味する。
本実施形態の表面処理剤は、ジルコニウム元素とバナジウム元素とフッ素元素とアルミニウム元素とアクリル重合体とを含む塗布型の化成処理剤である。塗布型の化成処理剤は、金属表面に表面処理剤を接触させた後、これを水洗せずに乾燥する方法で使用される。従来、防錆性を付与させるためにアルミニウム熱交換器の表面に化成処理剤を接触させる前に、表面の酸化膜等を除去する酸洗工程、この酸洗工程後に水洗工程が必要とされている。しかし、本発明の表面処理剤を用いれば、表面処理剤をアルミニウム熱交換器の表面に接触させることで、表面の酸化膜等を除去できる。このため酸洗工程やその後の水洗工程を設ける必要がない。
本実施形態の表面処理方法は、表面に酸化膜を有するアルミニウム製熱交換器に、本実施形態の表面処理剤を接触させる化成処理工程と、化成処理工程でアルミニウム製熱交換器の表面に形成した表面処理剤膜を乾燥させて、上記表面に化成皮膜を形成する第一乾燥工程と、を備える。
純水、フッ化ジルコンアンモニウム、硝酸バナジル、硫酸アルミニウム、ポリアクリル酸(日本触媒社製、「アクアリックDL453」)、フッ化水素酸、硫酸亜鉛を、表面処理剤中の金属イオン等の含有量が表1、2に示す範囲になるように配合して、実施例及び比較例の表面処理剤を調整した。また、表面処理剤のpHは25%アンモニア水溶液、又は、67.5%硝酸を用いて、表1、2に示す範囲になるように調整した。なお、比較例4の表面処理剤のみフッ化ジルコンアンモニウムではなく、炭酸ジルコニウムアンモニウムを使用した。比較例7及び比較例8の表面処理剤のみバナジウム元素として、メタバナジン酸アンモニウムを使用した。
各実施例及び比較例で得られた化成皮膜中のジルコニウム皮膜量及びバナジウム皮膜量は、蛍光X線分析装置「XRF−1700」(島津製作所製)の測定結果から算出した。
実施例及び比較例の表面処理剤を、25℃、3ヶ月間静置して、凝集物発生の有無を確認した。この安定性評価は以下の5段階評価で行った。評価結果は表1、2に記載した。
5点:3ヶ月間凝集物の発生無し
4点:1〜3ヶ月間で凝集物発生
3点:1日〜1ヶ月間で凝集物発生
2点:30分〜1日で凝集物発生
1点:直ちに凝集物発生
水道水を40℃に温めた浴中に、アルミニウム板(「1000系アルミニウム」(商品名、日本テストパネル社製、70mm×150mm×0.8mm))を100秒間浸漬して引き上げた。
得られた評価サンプル1を塩水噴霧器に立てかけ480時間静置後、取り出し、純水にて水洗いを行った後、80℃の乾燥炉で10分間乾燥させ、表面の白錆面積を評価した。評価は以下の5段階で行った。評価結果は表1、2に示した。
5点:白錆面積が10%未満
4点:白錆面積が10%以上25%未満
3点:白錆面積が25%以上50%未満
2点:白錆面積が50%以上75%未満
1点:白錆面積が75%以上100%
評価サンプル1、及び、室温で純水に1週間浸漬し、劣化させた評価サンプル1に粘着テープを貼り付けて剥離した。このテープ剥離部に純水2μlをのせ、接触角を測定した。接触角の測定は、自動接触角計「CA−Z」(協和界面化学社製)を用いて行った。結果を表1、2に示した。なお、親水性の評価については、30°以下を合格とした。
アルミニウム板(「1000系アルミニウム」(商品名、日本テストパネル社製、70mm×150mm×0.8mm))を、非腐食性フラックスブレージング製カーエアコン用エバポレーター(NBエバポレーター)に変更した以外は、評価サンプル1と同様の方法で評価サンプル2を製造した。
評価サンプル2、及び、水に168時間浸漬し、劣化させた評価サンプル2の臭いを嗅いで6段階評価した。結果を表1、2に示した。なお、臭気の評価については、2点以下を合格とした。
0点:無臭
1点:非常に弱い臭いを感じる
2点:弱い臭いを感じる
3点:臭いを感じる
4点:強い臭いを感じる
5点:非常に強い臭いを感じる
Claims (4)
- ジルコニウム元素と、硫酸バナジル、硝酸バナジル及びリン酸バナジルからなる群より選ばれる少なくとも1種のバナジウムを含む化合物と、アクリル酸、メタクリル酸及びこれらの誘導体からなる群から選ばれる1種以上を含む単量体を重合して得られるアクリル重合体と、アルミニウム元素と、フッ素元素を含み、
前記ジルコニウム元素の濃度が、ジルコニウム換算で100〜100,000質量ppmであり、
前記バナジウムを含む化合物由来のバナジウム元素の濃度が、バナジウム換算で50〜100,000質量ppmであり、
前記重合体の濃度が、100〜100,000質量ppmであり、
前記アルミニウム元素の濃度が、アルミニウム換算で5〜10,000質量ppmであり、
フッ素元素の濃度が、125〜125,000質量ppmであり、
アルミニウム換算の前記アルミニウム元素の濃度に対するジルコニウム換算の前記ジルコニウム元素の濃度の比(Zr/Al)が、4/1〜24/1であり、
バナジウム換算での前記バナジウム元素の濃度に対するジルコニウム換算でのジルコニウム元素の濃度の比(Zr/V)が1/2〜6/1であり、
前記フッ素元素の濃度に対するジルコニウム換算の前記ジルコニウム元素の濃度の比(Zr/F)が1/2〜9/10であり、
アルミニウム換算でのアルミニウム元素の濃度に対するバナジウム換算でのバナジウム元素の濃度の比(V/Al)が、4/1〜24/1であり、
前記重合体の濃度に対するジルコニウム換算でのジルコニウム元素の濃度とバナジウム換算でのバナジウム元素の濃度との合計の比((Zr+V)/アクリル重合体)が1/10〜2.5/1であり、
pHが0.5〜3であるアルミニウム製熱交換器用表面処理剤。 - 表面に酸化膜を有するアルミニウム製熱交換器に、請求項1に記載のアルミニウム製熱交換器用表面処理剤を接触させる化成処理工程と、
前記化成処理工程を経たアルミニウム製熱交換器を加熱乾燥させることで、表面に化成皮膜を形成する第一乾燥工程と、を備えるアルミニウム製熱交換器の表面処理方法。 - 前記化成皮膜中におけるジルコニウム元素の含有量が1〜1,000mg/m 2 であり、
前記化成皮膜中におけるバナジウム元素の含有量が1〜1,000mg/m 2 である請求項2に記載のアルミニウム製熱交換器の表面処理方法。 - 前記第一乾燥工程を経たアルミニウム製熱交換器を親水化処理剤に接触させる親水化処理工程と、
前記親水化処理工程を経たアルミニウム製熱交換器を加熱乾燥させることで、前記化成皮膜上に親水性皮膜を形成する第二乾燥工程と、をさらに備える請求項2又は3に記載のアルミニウム製熱交換器の表面処理方法。
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US14/347,861 US20140234544A1 (en) | 2011-09-30 | 2012-09-20 | Surface treatment agent for aluminum heat exchangers and surface treatment method |
PCT/JP2012/074057 WO2013047318A1 (ja) | 2011-09-30 | 2012-09-20 | アルミニウム製熱交換器用表面処理剤及び表面処理方法 |
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