JP4089648B2 - 腐食防止方法 - Google Patents
腐食防止方法 Download PDFInfo
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- JP4089648B2 JP4089648B2 JP2004103429A JP2004103429A JP4089648B2 JP 4089648 B2 JP4089648 B2 JP 4089648B2 JP 2004103429 A JP2004103429 A JP 2004103429A JP 2004103429 A JP2004103429 A JP 2004103429A JP 4089648 B2 JP4089648 B2 JP 4089648B2
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- anticorrosive
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- 238000000034 method Methods 0.000 title claims description 43
- 238000005536 corrosion prevention Methods 0.000 title claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 54
- 239000003795 chemical substances by application Substances 0.000 claims description 39
- 238000005260 corrosion Methods 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 229910052698 phosphorus Inorganic materials 0.000 claims description 31
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 30
- 230000007797 corrosion Effects 0.000 claims description 30
- 239000011574 phosphorus Substances 0.000 claims description 30
- 235000011007 phosphoric acid Nutrition 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 claims description 23
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 22
- 150000003839 salts Chemical class 0.000 claims description 22
- 239000011575 calcium Substances 0.000 claims description 17
- 229910052791 calcium Inorganic materials 0.000 claims description 17
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 229940005657 pyrophosphoric acid Drugs 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 235000011180 diphosphates Nutrition 0.000 claims description 11
- 239000005518 polymer electrolyte Substances 0.000 claims description 10
- 229940048084 pyrophosphate Drugs 0.000 claims description 10
- 239000003112 inhibitor Substances 0.000 claims description 8
- 230000003405 preventing effect Effects 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims 1
- 238000011282 treatment Methods 0.000 description 22
- 238000012360 testing method Methods 0.000 description 19
- 239000011701 zinc Substances 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 18
- 230000008569 process Effects 0.000 description 16
- 229910052725 zinc Inorganic materials 0.000 description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 13
- 229910000975 Carbon steel Inorganic materials 0.000 description 10
- 239000010962 carbon steel Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 8
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 8
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 7
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 6
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 6
- 239000001506 calcium phosphate Substances 0.000 description 5
- 229910000389 calcium phosphate Inorganic materials 0.000 description 5
- 235000011010 calcium phosphates Nutrition 0.000 description 5
- 239000008235 industrial water Substances 0.000 description 5
- 150000003751 zinc Chemical class 0.000 description 5
- CADNYOZXMIKYPR-UHFFFAOYSA-B ferric pyrophosphate Chemical compound [Fe+3].[Fe+3].[Fe+3].[Fe+3].[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O CADNYOZXMIKYPR-UHFFFAOYSA-B 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 235000005074 zinc chloride Nutrition 0.000 description 3
- 239000011592 zinc chloride Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 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 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- JMTIXSZQYHAMLY-UHFFFAOYSA-N [P].[Zn] Chemical compound [P].[Zn] JMTIXSZQYHAMLY-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229960005069 calcium Drugs 0.000 description 1
- 235000001465 calcium Nutrition 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- AYWHENVLARCQQQ-UHFFFAOYSA-N copper;1h-pyrrole Chemical compound [Cu].C=1C=CNC=1 AYWHENVLARCQQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- 235000019820 disodium diphosphate Nutrition 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- GYQBBRRVRKFJRG-UHFFFAOYSA-L disodium pyrophosphate Chemical compound [Na+].[Na+].OP([O-])(=O)OP(O)([O-])=O GYQBBRRVRKFJRG-UHFFFAOYSA-L 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007562 laser obscuration time method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- -1 salt pyrophosphate Chemical class 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
- C23F11/184—Phosphorous, arsenic, antimony or bismuth containing compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Description
<実施例1>
ピロリン酸カリウムを用いた初期防食皮膜形成処理の発錆面に対する防食性能評価試験を以下の方法で行った。
実施例1において、ピロリン酸カリウムの代りに塩化亜鉛及びヘキサメタリン酸ナトリウムを、各々全リン酸濃度100mg−PO4/L、亜鉛濃度20mg−Zn/Lとなるように添加したこと以外同様にして試験を行った。
実施例1において、ピロリン酸カリウムの代りにヘキサメタリン酸ナトリウムを全リン酸濃度100mg−PO4/Lとなるように添加したこと以外同様にして試験を行った。
<実施例2>
ピロリン酸カリウムを用いた初期防食皮膜形成処理によって形成される初期防食皮膜の強度評価試験を以下の方法で行った。
実施例2において、ピロリン酸カリウムの代りに塩化亜鉛及びヘキサメタリン酸ナトリウムを、各々全リン酸濃度100mg−PO4/L、亜鉛濃度20mg−Zn/Lとなるように添加したこと以外同様にして試験を行った。
実施例2において、ピロリン酸カリウムの代りにヘキサメタリン酸ナトリウムを全リン酸濃度100mg−PO4/Lとなるように添加したこと以外同様にして試験を行った。
<実施例3>
炭素鋼チューブ通水条件におけるピロリン酸カリウムを用いた初期防食皮膜の防食性能評価試験を以下の方法で行った。
実施例3において、初期防食皮膜形成工程でピロリン酸カリウムの代りに塩化亜鉛及びヘキサメタリン酸ナトリウムを、各々全リン酸濃度100mg−PO4/L、亜鉛濃度20mg−Zn/Lとなるように添加したこと以外同様にして試験を行った。
実施例3において、初期防食皮膜形成工程でピロリン酸カリウムの代りにヘキサメタリン酸ナトリウムを全リン酸濃度100mg−PO4/Lとなるように添加したこと以外同様にして試験を行った。
Claims (6)
- 水系に防食剤を添加して、該水系の鉄系金属部材表面に初期防食皮膜を形成する初期防食皮膜形成工程を有する腐食防止方法において、
該防食剤として少なくともピロリン酸及び/又はその塩より選ばれる1種以上を用い、
該初期防食皮膜形成工程の初期pHを5以上7未満に調整し、初期防食皮膜形成工程終了時のpHを7以上とすることを特徴とする腐食防止方法。 - 請求項1において、該水系の全リン酸濃度が20〜70mg−PO4/Lの範囲となるように前記防食剤を添加することを特徴とする腐食防止方法。
- 請求項1又は2において、該防食剤が、ピロリン酸及び/又はその塩より選ばれる1種以上のピロリン酸系防食成分と、正リン酸及び/又はその塩より選ばれる1種以上の正リン酸系防食成分とを、ピロリン酸系防食成分:正リン酸系防食成分=100:0〜20:80(重量比)の割合で含むことを特徴とする腐食防止方法。
- 請求項1ないし3のいずれか1項において、該初期防食皮膜形成工程を実施する水系のカルシウム硬度が30〜150mg−CaCO3/Lの範囲であり、該水系にリン酸カルシウム系スケールの析出及び/又は付着防止効果を有する高分子電解質を添加することを特徴とする腐食防止方法。
- 請求項1ないし4のいずれか1項において、該防食剤を含み初期pHを5以上7未満に調整した水系のMアルカリ度が10〜30mg−CaCO3/Lの範囲であることを特徴とする腐食防止方法。
- 請求項1ないし5のいずれか1項において、該初期防食皮膜形成工程の後、該初期防食皮膜を維持するために該水系に腐食防止剤を添加することを特徴とする腐食防止方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004103429A JP4089648B2 (ja) | 2004-03-31 | 2004-03-31 | 腐食防止方法 |
CNB2005100517625A CN100451173C (zh) | 2004-03-31 | 2005-03-01 | 腐蚀防止方法 |
TW094107048A TW200532055A (en) | 2004-03-31 | 2005-03-08 | Corrosion inhibition method |
SG200502745A SG115849A1 (en) | 2004-03-31 | 2005-03-17 | Corrosion inhibition method |
EP05006035A EP1582608A3 (en) | 2004-03-31 | 2005-03-18 | Corrosion inhibition method |
US11/085,578 US8163105B2 (en) | 2004-03-31 | 2005-03-22 | Corrosion inhibition method |
MYPI20051438A MY143472A (en) | 2004-03-31 | 2005-03-30 | Corrosion inhibition method |
Applications Claiming Priority (1)
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JP2004103429A JP4089648B2 (ja) | 2004-03-31 | 2004-03-31 | 腐食防止方法 |
Publications (2)
Publication Number | Publication Date |
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JP2005290419A JP2005290419A (ja) | 2005-10-20 |
JP4089648B2 true JP4089648B2 (ja) | 2008-05-28 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004103429A Expired - Lifetime JP4089648B2 (ja) | 2004-03-31 | 2004-03-31 | 腐食防止方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8163105B2 (ja) |
EP (1) | EP1582608A3 (ja) |
JP (1) | JP4089648B2 (ja) |
CN (1) | CN100451173C (ja) |
MY (1) | MY143472A (ja) |
SG (1) | SG115849A1 (ja) |
TW (1) | TW200532055A (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3858047B1 (ja) * | 2005-12-30 | 2006-12-13 | 宏志 宮田 | 錆取り・防錆剤及びこれを用いた錆取り方法 |
JP5239216B2 (ja) * | 2007-06-01 | 2013-07-17 | 東京電力株式会社 | 軸受冷却水系統の保管方法 |
JP5499823B2 (ja) * | 2010-03-26 | 2014-05-21 | 栗田工業株式会社 | 冷却水系の処理方法 |
JP6589286B2 (ja) * | 2015-02-13 | 2019-10-16 | 栗田工業株式会社 | 循環冷却水用初期処理剤及び循環冷却水系の初期処理方法 |
KR102606561B1 (ko) | 2015-11-04 | 2023-11-24 | 일리노이즈 툴 워크스 인코포레이티드 | 부식 억제제 및 물 컨디셔닝제 |
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---|---|---|---|---|
US2337856A (en) * | 1942-10-27 | 1943-12-28 | Hall Lab Inc | Process of retarding the corrosion of metal by water |
US2954309A (en) * | 1956-08-17 | 1960-09-27 | Pennsalt Chemicals Corp | Composition for and method of coating ferrous metals |
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IT974077B (it) * | 1972-07-24 | 1974-06-20 | Betz Inc | Metodo e composizione per proteg gere parti metalliche contro la corrosione |
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GB2125393B (en) * | 1982-01-29 | 1985-04-17 | Dearborn Chemicals Co | Method of and composition for inhibiting corrosion of iron base metals |
JPH07107197B2 (ja) * | 1991-10-02 | 1995-11-15 | 栗田工業株式会社 | 脱酸素剤 |
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JP3091906B2 (ja) * | 1996-05-14 | 2000-09-25 | 有限会社レイノ | 循環式温浴器を用いる場合における金属部材の腐食防止方法 |
JP4126710B2 (ja) | 1998-06-22 | 2008-07-30 | 栗田工業株式会社 | 水処理剤及び水処理方法 |
US6585933B1 (en) * | 1999-05-03 | 2003-07-01 | Betzdearborn, Inc. | Method and composition for inhibiting corrosion in aqueous systems |
JP3945202B2 (ja) * | 2001-09-28 | 2007-07-18 | 伯東株式会社 | 腐食防止方法 |
-
2004
- 2004-03-31 JP JP2004103429A patent/JP4089648B2/ja not_active Expired - Lifetime
-
2005
- 2005-03-01 CN CNB2005100517625A patent/CN100451173C/zh not_active Expired - Fee Related
- 2005-03-08 TW TW094107048A patent/TW200532055A/zh not_active IP Right Cessation
- 2005-03-17 SG SG200502745A patent/SG115849A1/en unknown
- 2005-03-18 EP EP05006035A patent/EP1582608A3/en not_active Withdrawn
- 2005-03-22 US US11/085,578 patent/US8163105B2/en not_active Expired - Fee Related
- 2005-03-30 MY MYPI20051438A patent/MY143472A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN100451173C (zh) | 2009-01-14 |
TWI304100B (ja) | 2008-12-11 |
EP1582608A3 (en) | 2010-01-20 |
MY143472A (en) | 2011-05-31 |
JP2005290419A (ja) | 2005-10-20 |
US20050221013A1 (en) | 2005-10-06 |
US8163105B2 (en) | 2012-04-24 |
CN1676669A (zh) | 2005-10-05 |
TW200532055A (en) | 2005-10-01 |
SG115849A1 (en) | 2005-10-28 |
EP1582608A2 (en) | 2005-10-05 |
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