EP0034856B1 - Verfahren zum Korrosionsschutz von Vorrichtungen aus Titan - Google Patents
Verfahren zum Korrosionsschutz von Vorrichtungen aus Titan Download PDFInfo
- Publication number
- EP0034856B1 EP0034856B1 EP81200165A EP81200165A EP0034856B1 EP 0034856 B1 EP0034856 B1 EP 0034856B1 EP 81200165 A EP81200165 A EP 81200165A EP 81200165 A EP81200165 A EP 81200165A EP 0034856 B1 EP0034856 B1 EP 0034856B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- process according
- solution
- compound
- peroxide
- ions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 30
- 239000010936 titanium Substances 0.000 title claims description 24
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims description 23
- 229910052719 titanium Inorganic materials 0.000 title claims description 23
- 238000005260 corrosion Methods 0.000 title claims description 18
- 230000007797 corrosion Effects 0.000 title claims description 18
- 230000002401 inhibitory effect Effects 0.000 title claims description 7
- 239000000243 solution Substances 0.000 claims description 35
- 150000001875 compounds Chemical class 0.000 claims description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 238000004061 bleaching Methods 0.000 claims description 18
- -1 peroxide compound Chemical class 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001242 acetic acid derivatives Chemical class 0.000 claims description 3
- 229910001424 calcium ion Inorganic materials 0.000 claims description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- 150000004679 hydroxides Chemical class 0.000 claims description 3
- 150000002823 nitrates Chemical class 0.000 claims description 3
- 239000003352 sequestering agent Substances 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 2
- 239000012190 activator Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 2
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims description 2
- 229910001422 barium ion Inorganic materials 0.000 claims 2
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- 229910001427 strontium ion Inorganic materials 0.000 claims 2
- 238000009434 installation Methods 0.000 description 9
- 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 6
- 238000005259 measurement Methods 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 239000012670 alkaline solution Substances 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 150000007514 bases Chemical class 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 238000004076 pulp bleaching Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 235000015927 pasta Nutrition 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 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 2
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical compound OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920003357 Clarene® Polymers 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- GFRQZNFGDVRJBX-UHFFFAOYSA-N P1(OCO1)=O.[Na] Chemical compound P1(OCO1)=O.[Na] GFRQZNFGDVRJBX-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals 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
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- LBAYFEDWGHXMSM-UHFFFAOYSA-N butaneperoxoic acid Chemical compound CCCC(=O)OO LBAYFEDWGHXMSM-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- DKPHLYCEFBDQKM-UHFFFAOYSA-H hexapotassium;1-phosphonato-n,n-bis(phosphonatomethyl)methanamine Chemical compound [K+].[K+].[K+].[K+].[K+].[K+].[O-]P([O-])(=O)CN(CP([O-])([O-])=O)CP([O-])([O-])=O DKPHLYCEFBDQKM-UHFFFAOYSA-H 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- CZPZWMPYEINMCF-UHFFFAOYSA-N propaneperoxoic acid Chemical compound CCC(=O)OO CZPZWMPYEINMCF-UHFFFAOYSA-N 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- ODBPOHVSVJZQRX-UHFFFAOYSA-M sodium;[2-[2-[bis(phosphonomethyl)amino]ethyl-(phosphonomethyl)amino]ethyl-(phosphonomethyl)amino]methyl-hydroxyphosphinate Chemical compound [Na+].OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)([O-])=O ODBPOHVSVJZQRX-UHFFFAOYSA-M 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
-
- 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
- C23F11/06—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly alkaline liquids
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
Definitions
- the ions of the alkaline earth metals can be brought to the solution in the form of various types of compounds.
- compounds soluble in the solution are used at the concentrations used; soluble organic or inorganic compounds can be used.
- acetates, nitrates, hydroxides, sulfates, chlorates, hypochlorites or halides such as chlorides are used.
- the best results have been obtained with acetates, carbonates and bicarbonates, nitrates, sulfates and chlorides.
- Mixtures of these compounds can also be used as well as mixtures of ions.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paper (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Prevention Of Electric Corrosion (AREA)
Claims (11)
1. Verfahren zum Verhindern der Korrosion von Vorrichtungen aus Titan oder Titan enthaltenden Legierungen durch wässrige Lösungen, die eine peroxidierte Verbindung und eine Verbindung basischen Charakters enthalten, dadurch gekennzeichnet, daß man eine Lösung verwendet, die Ionen von Calcium, Strontium oder Barium in Mengen zwischen 0,001 und 0,1 Gramm Atom pro Liter enthält.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Lösung Calciumionen enthält.
3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Lösung Strontiumionen enthält.
4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Lösung Bariumionen enthält.
5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Ionen der Lösung zugegeben werden in der Form einer Verbindung ausgewählt aus den Acetaten, den Carbonaten und den Bicarbonaten, den Nitraten, den Sulfaten, den Hydroxiden, den Chloraten, den Hypochloriten und den Halogeniden.
6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß man eine Lösung verwendet, die zusätzlich eine Substanz ausgewählt aus den Stabilisatoren für die peroxidierten Verbindungen, den Aktivatoren für die peroxidierten Verbindungen und den zur Regelung des pH-Wertes dienenden Mitteln enthält.
7. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß man eine Lösung verwendet, die Wasserstoffperoxid oder Natriumperoxid enthält.
8. Verfahren nach .einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Verbindung basischen Charakters ein Natrium- oder Kaliumhydroxid ist.
9. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß es beim Bleichen celluloser Materialien angewendet wird.
10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß es beim dynamischen Bleichen von Papiermassen angewendet wird.
11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß man eine Lösung verwendet, die 0,1 bis 20 % peroxidierte Verbindung, 0 bis 20 % Verbindung basischen Charakters und 0 bis 5 % Additive ausgewählt unter den Sequestrierungsmitteln und den Stabilisatoren für peroxidierte Verbindungen bezogen auf das Gewicht der trockenen cellulosen Materialien enthält.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT81200165T ATE7611T1 (de) | 1980-02-21 | 1981-02-12 | Verfahren zum korrosionsschutz von vorrichtungen aus titan. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8003890 | 1980-02-21 | ||
| FR8003890A FR2476684A1 (fr) | 1980-02-21 | 1980-02-21 | Procede pour inhiber la corrosion d'appareils en titane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0034856A1 EP0034856A1 (de) | 1981-09-02 |
| EP0034856B1 true EP0034856B1 (de) | 1984-05-23 |
Family
ID=9238847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP81200165A Expired EP0034856B1 (de) | 1980-02-21 | 1981-02-12 | Verfahren zum Korrosionsschutz von Vorrichtungen aus Titan |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4372813A (de) |
| EP (1) | EP0034856B1 (de) |
| JP (1) | JPS56130480A (de) |
| KR (1) | KR850000983B1 (de) |
| AR (1) | AR222273A1 (de) |
| AT (1) | ATE7611T1 (de) |
| AU (1) | AU538075B2 (de) |
| BR (1) | BR8100993A (de) |
| CA (1) | CA1155285A (de) |
| DE (1) | DE3163705D1 (de) |
| ES (1) | ES499619A0 (de) |
| FI (1) | FI67585C (de) |
| FR (1) | FR2476684A1 (de) |
| IN (1) | IN155377B (de) |
| NO (1) | NO157182C (de) |
| NZ (1) | NZ196219A (de) |
| PT (1) | PT72527B (de) |
| ZA (1) | ZA81716B (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557605B1 (fr) * | 1983-12-29 | 1987-12-11 | Atochem | Procede de blanchiment de pates papetieres par le peroxyde d'hydrogene |
| US4614646A (en) * | 1984-12-24 | 1986-09-30 | The Dow Chemical Company | Stabilization of peroxide systems in the presence of alkaline earth metal ions |
| WO1997017974A1 (fr) * | 1995-11-14 | 1997-05-22 | Toray Industries, Inc. | Depresseur oculaire |
| US7101832B2 (en) * | 2003-06-19 | 2006-09-05 | Johnsondiversey, Inc. | Cleaners containing peroxide bleaching agents for cleaning paper making equipment and method |
| US7351764B2 (en) * | 2004-03-31 | 2008-04-01 | Nalco Company | Methods to enhance brightness of pulp and optimize use of bleaching chemicals |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL43277C (de) * | 1900-01-01 | |||
| US2037566A (en) * | 1932-11-23 | 1936-04-14 | Swann Res Inc | Cleaner for tin, zinc, and aluminum |
| US2303397A (en) * | 1939-05-01 | 1942-12-01 | Hall Lab Inc | Alkaline detergent |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2938825A (en) * | 1953-01-30 | 1960-05-31 | Babcock & Wilcox Co | Method of resisting digester corrosion |
| GB1045428A (en) * | 1964-03-26 | 1966-10-12 | Toyo Rayon Co Ltd | Method of finishing fabrics |
| LU74434A1 (de) | 1976-02-25 | 1977-09-12 |
-
1980
- 1980-02-21 FR FR8003890A patent/FR2476684A1/fr active Granted
-
1981
- 1981-01-31 IN IN58/DEL/81A patent/IN155377B/en unknown
- 1981-02-03 ZA ZA00810716A patent/ZA81716B/xx unknown
- 1981-02-06 CA CA000370285A patent/CA1155285A/fr not_active Expired
- 1981-02-06 AU AU66987/81A patent/AU538075B2/en not_active Ceased
- 1981-02-10 NZ NZ196219A patent/NZ196219A/xx unknown
- 1981-02-10 JP JP1889281A patent/JPS56130480A/ja active Granted
- 1981-02-12 AT AT81200165T patent/ATE7611T1/de not_active IP Right Cessation
- 1981-02-12 DE DE8181200165T patent/DE3163705D1/de not_active Expired
- 1981-02-12 EP EP81200165A patent/EP0034856B1/de not_active Expired
- 1981-02-16 KR KR1019810000478A patent/KR850000983B1/ko active IP Right Grant
- 1981-02-18 PT PT72527A patent/PT72527B/pt not_active IP Right Cessation
- 1981-02-19 BR BR8100993A patent/BR8100993A/pt not_active IP Right Cessation
- 1981-02-20 ES ES499619A patent/ES499619A0/es active Granted
- 1981-02-20 AR AR284371A patent/AR222273A1/es active
- 1981-02-20 US US06/236,822 patent/US4372813A/en not_active Expired - Lifetime
- 1981-02-20 FI FI810524A patent/FI67585C/fi not_active IP Right Cessation
- 1981-02-20 NO NO810587A patent/NO157182C/no unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL43277C (de) * | 1900-01-01 | |||
| US2037566A (en) * | 1932-11-23 | 1936-04-14 | Swann Res Inc | Cleaner for tin, zinc, and aluminum |
| US2303397A (en) * | 1939-05-01 | 1942-12-01 | Hall Lab Inc | Alkaline detergent |
Non-Patent Citations (3)
| Title |
|---|
| Protection of Metals, Vol. 12, No. 4, 1976, T.M. Sigalovskaya et al., pp. 331-335 * |
| Römpps Chemie-Lexikon (1973), Franckh'sche Verlagshandlung, Stuttgart, pp. 1387-1389 * |
| Textile Chemistry, R.H. Peters, Vol. II (1967), Elsevier Publ. Co., p. 2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3163705D1 (en) | 1984-06-28 |
| FI67585B (fi) | 1984-12-31 |
| ATE7611T1 (de) | 1984-06-15 |
| NO810587L (no) | 1981-08-24 |
| US4372813A (en) | 1983-02-08 |
| AU538075B2 (en) | 1984-07-26 |
| AR222273A1 (es) | 1981-04-30 |
| FI810524L (fi) | 1981-08-22 |
| BR8100993A (pt) | 1981-08-25 |
| NO157182B (no) | 1987-10-26 |
| AU6698781A (en) | 1981-08-27 |
| NZ196219A (en) | 1983-06-17 |
| IN155377B (de) | 1985-01-19 |
| FR2476684A1 (fr) | 1981-08-28 |
| EP0034856A1 (de) | 1981-09-02 |
| KR830005326A (ko) | 1983-08-13 |
| JPS56130480A (en) | 1981-10-13 |
| KR850000983B1 (ko) | 1985-07-05 |
| CA1155285A (fr) | 1983-10-18 |
| FI67585C (fi) | 1985-04-10 |
| ES8206661A1 (es) | 1982-08-16 |
| FR2476684B1 (de) | 1983-08-19 |
| PT72527A (fr) | 1981-03-01 |
| JPH0118153B2 (de) | 1989-04-04 |
| ES499619A0 (es) | 1982-08-16 |
| ZA81716B (en) | 1982-03-31 |
| NO157182C (no) | 1988-02-03 |
| PT72527B (fr) | 1982-02-10 |
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