LU82255A1 - Compositions de protection de surafaces d'acier et procede pour leur preparation - Google Patents

Compositions de protection de surafaces d'acier et procede pour leur preparation Download PDF

Info

Publication number: LU82255A1
Authority: LU; Luxembourg
Prior art keywords: proportion; compositions according; present; glucosides; acid
Prior art date: 1979-03-16

Application number

LU82255A

Other languages

English (en)

French (fr)

Inventor

G Pedrazzini

Original Assignee

Parker Italiana

Priority date (The priority date 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 date listed.)

1979-03-16

Filing date

1980-03-13

Publication date

1980-06-06

1980-03-13 Application filed by Parker Italiana filed Critical Parker Italiana

1980-06-06 Publication of LU82255A1 publication Critical patent/LU82255A1/fr

Links

239000000203 mixture Substances 0.000 title claims description 46
229910000831 Steel Inorganic materials 0.000 title claims description 24
239000010959 steel Substances 0.000 title claims description 24
238000000034 method Methods 0.000 title claims description 22
230000008569 process Effects 0.000 title claims description 13
238000002360 preparation method Methods 0.000 title description 5
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 34
239000010410 layer Substances 0.000 claims description 33
229930182478 glucoside Natural products 0.000 claims description 21
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 18
229910000147 aluminium phosphate Inorganic materials 0.000 claims description 18
150000008131 glucosides Chemical class 0.000 claims description 17
229910052751 metal Inorganic materials 0.000 claims description 16
239000002184 metal Substances 0.000 claims description 16
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
229910019142 PO4 Inorganic materials 0.000 claims description 12
239000003960 organic solvent Substances 0.000 claims description 12
235000021317 phosphate Nutrition 0.000 claims description 12
239000011241 protective layer Substances 0.000 claims description 11
-1 aliphatic alcohols Chemical class 0.000 claims description 7
ATJXMQHAMYVHRX-CPCISQLKSA-N Ellagic acid Natural products OC1=C(O)[C@H]2OC(=O)c3cc(O)c(O)c4OC(=O)C(=C1)[C@H]2c34 ATJXMQHAMYVHRX-CPCISQLKSA-N 0.000 claims description 6
229920002079 Ellagic acid Polymers 0.000 claims description 6
235000004132 ellagic acid Nutrition 0.000 claims description 6
229960002852 ellagic acid Drugs 0.000 claims description 6
239000000284 extract Substances 0.000 claims description 6
FAARLWTXUUQFSN-UHFFFAOYSA-N methylellagic acid Natural products O1C(=O)C2=CC(O)=C(O)C3=C2C2=C1C(OC)=C(O)C=C2C(=O)O3 FAARLWTXUUQFSN-UHFFFAOYSA-N 0.000 claims description 6
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
239000010452 phosphate Substances 0.000 claims description 6
150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 6
WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 claims description 6
AFSDNFLWKVMVRB-UHFFFAOYSA-N Ellagic acid Chemical compound OC1=C(O)C(OC2=O)=C3C4=C2C=C(O)C(O)=C4OC(=O)C3=C1 AFSDNFLWKVMVRB-UHFFFAOYSA-N 0.000 claims description 5
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 5
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 5
229920001864 tannin Polymers 0.000 claims description 5
235000018553 tannin Nutrition 0.000 claims description 5
239000001648 tannin Substances 0.000 claims description 5
230000001590 oxidative effect Effects 0.000 claims description 4
239000012298 atmosphere Substances 0.000 claims description 3
150000002334 glycols Chemical class 0.000 claims description 3
230000001681 protective effect Effects 0.000 claims description 3
125000004432 carbon atom Chemical group C* 0.000 claims description 2
239000013522 chelant Substances 0.000 claims description 2
229910052748 manganese Inorganic materials 0.000 claims description 2
229910001960 metal nitrate Inorganic materials 0.000 claims description 2
229920000151 polyglycol Polymers 0.000 claims description 2
239000010695 polyglycol Substances 0.000 claims description 2
229910052725 zinc Inorganic materials 0.000 claims description 2
150000002739 metals Chemical class 0.000 claims 3
150000002823 nitrates Chemical class 0.000 claims 3
229930182470 glycoside Natural products 0.000 claims 1
150000002338 glycosides Chemical class 0.000 claims 1
229910000319 transition metal phosphate Inorganic materials 0.000 claims 1
239000003963 antioxidant agent Substances 0.000 description 15
238000011282 treatment Methods 0.000 description 15
230000003078 antioxidant effect Effects 0.000 description 14
238000010586 diagram Methods 0.000 description 13
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
239000000243 solution Substances 0.000 description 10
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 9
238000006243 chemical reaction Methods 0.000 description 9
239000003973 paint Substances 0.000 description 9
230000015572 biosynthetic process Effects 0.000 description 8
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 8
239000000047 product Substances 0.000 description 8
239000002253 acid Substances 0.000 description 7
238000005260 corrosion Methods 0.000 description 7
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 6
230000007797 corrosion Effects 0.000 description 6
235000013980 iron oxide Nutrition 0.000 description 6
WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical class [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 6
238000012360 testing method Methods 0.000 description 6
229910002651 NO3 Inorganic materials 0.000 description 5
230000009920 chelation Effects 0.000 description 5
239000000470 constituent Substances 0.000 description 5
230000006870 function Effects 0.000 description 5
238000010422 painting Methods 0.000 description 5
238000000576 coating method Methods 0.000 description 4
229910000398 iron phosphate Inorganic materials 0.000 description 4
230000003647 oxidation Effects 0.000 description 4
238000007254 oxidation reaction Methods 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 3
150000002500 ions Chemical class 0.000 description 3
229910052742 iron Inorganic materials 0.000 description 3
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 3
239000002344 surface layer Substances 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
230000001427 coherent effect Effects 0.000 description 2
238000001035 drying Methods 0.000 description 2
229910052739 hydrogen Inorganic materials 0.000 description 2
239000001257 hydrogen Substances 0.000 description 2
230000003301 hydrolyzing effect Effects 0.000 description 2
229910001463 metal phosphate Inorganic materials 0.000 description 2
239000003921 oil Substances 0.000 description 2
230000035515 penetration Effects 0.000 description 2
229920001282 polysaccharide Polymers 0.000 description 2
239000005017 polysaccharide Substances 0.000 description 2
238000002203 pretreatment Methods 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
239000002904 solvent Substances 0.000 description 2
238000003756 stirring Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical class OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 2
235000015523 tannic acid Nutrition 0.000 description 2
229920002258 tannic acid Polymers 0.000 description 2
TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 1
POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
239000001263 FEMA 3042 Substances 0.000 description 1
LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000009471 action Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000001464 adherent effect Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
230000004075 alteration Effects 0.000 description 1
238000004873 anchoring Methods 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000002738 chelating agent Substances 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000010292 electrical insulation Methods 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
239000012467 final product Substances 0.000 description 1
150000004676 glycans Chemical class 0.000 description 1
239000004519 grease Substances 0.000 description 1
239000012456 homogeneous solution Substances 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
238000007654 immersion Methods 0.000 description 1
230000000415 inactivating effect Effects 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
238000002955 isolation Methods 0.000 description 1
210000004185 liver Anatomy 0.000 description 1
238000005259 measurement Methods 0.000 description 1
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
239000011707 mineral Substances 0.000 description 1
125000002524 organometallic group Chemical group 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
239000012071 phase Substances 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
150000008442 polyphenolic compounds Chemical class 0.000 description 1
235000013824 polyphenols Nutrition 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
230000003449 preventive effect Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000011160 research Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000005507 spraying Methods 0.000 description 1
238000006557 surface reaction Methods 0.000 description 1
238000004381 surface treatment Methods 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
229940033123 tannic acid Drugs 0.000 description 1
238000012549 training Methods 0.000 description 1
230000007704 transition Effects 0.000 description 1
229910052723 transition metal Inorganic materials 0.000 description 1
150000003624 transition metals Chemical class 0.000 description 1
238000005406 washing Methods 0.000 description 1
239000001993 wax Substances 0.000 description 1
238000009941 weaving Methods 0.000 description 1

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
- C23C22/06—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 acidic solutions with pH less than 6
- C23C22/07—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 acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/10—Orthophosphates containing oxidants

Landscapes

Chemical & Material Sciences (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Chemical Treatment Of Metals (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)
Application Of Or Painting With Fluid Materials (AREA)
Paints Or Removers (AREA)

LU82255A 1979-03-16 1980-03-13 Compositions de protection de surafaces d'acier et procede pour leur preparation LU82255A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT2107979		1979-03-16
IT7921079A IT1111586B (it)	1979-03-16	1979-03-16	Composizioni protettive per superfici d'acciaio e processo per la loro preparazione

Publications (1)

Publication Number	Publication Date
LU82255A1 true LU82255A1 (fr)	1980-06-06

Family

ID=11176423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
LU82255A LU82255A1 (fr)	1979-03-16	1980-03-13	Compositions de protection de surafaces d'acier et procede pour leur preparation

Country Status (15)

Country	Link
US (1)	US4293349A (de)
JP (1)	JPS6040508B2 (de)
AT (1)	AT366423B (de)
BE (1)	BE882240A (de)
CA (1)	CA1135040A (de)
CH (1)	CH643585A5 (de)
DE (1)	DE3009931C2 (de)
DK (1)	DK157564C (de)
ES (1)	ES8104833A1 (de)
FR (1)	FR2451394B1 (de)
IE (1)	IE49550B1 (de)
IT (1)	IT1111586B (de)
LU (1)	LU82255A1 (de)
NL (1)	NL179747C (de)
YU (1)	YU41202B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6242869U (de) *	1985-09-03	1987-03-14
IT1222005B (it) *	1987-07-10	1990-08-31	Parker Italiana S P A	Composizione atte alla protezione di superfici di acciaio dall' azione ossidante atmosferica
JPH01104186U (de) *	1987-12-28	1989-07-13
US5011551A (en) *	1988-12-22	1991-04-30	The United States Of America As Represented By The Secretary Of The Army	Protective coating for steel surfaces and method of application
US7037385B2 (en)	1998-01-27	2006-05-02	Lord Corporation	Aqueous metal treatment composition
JP3604342B2 (ja)	1998-01-27	2004-12-22	ロードコーポレーション	水性金属処理組成物
US6902766B1 (en)	2000-07-27	2005-06-07	Lord Corporation	Two-part aqueous metal protection treatment
DE10150549A1 (de) *	2001-10-12	2003-04-17	Roche Diagnostics Gmbh	Verfahren und Trennmodul zum Abtrennen von Partikeln aus einer Dispersion, insbesondere von Blutkörperchen aus Blut
US6805756B2 (en) *	2002-05-22	2004-10-19	Ppg Industries Ohio, Inc.	Universal aqueous coating compositions for pretreating metal surfaces
US20050102897A1 (en) *	2003-02-10	2005-05-19	Productivity California, Inc.	Plant container and method for making a plant container
US11557944B2 (en)	2021-01-28	2023-01-17	Ford Global Technologies, Llc	Rotor assembly method and system employing central multi-tasking robotic system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2502441A (en) *	1946-11-22	1950-04-04	Oakite Prod Inc	Phosphate coating of metals
FR969195A (fr) *	1948-07-15	1950-12-15	Boehler & Co Ag Geb	Procédé pour la production de couches de phosphatation sur des objets en acier ou frittés
NL206455A (de) *	1955-04-20	1900-01-01
US2854368A (en) *	1955-11-10	1958-09-30	Shreir Louis Lionel	Protective coatings for metals
AT233914B (de) *	1959-07-25	1964-06-10	Stefan Dr Klinghoffer	Verfahren zur Verbesserung der Korrosionsbeständigkeit von Eisen, Stahl und Eisenlegierungen durch Aufbringen einer Phosphatschicht
US4017334A (en) *	1973-10-04	1977-04-12	Oxy Metal Industries Corporation	Process for treating aluminum cans
JPS5118233A (ja) *	1974-08-05	1976-02-13	Sanai Sekyu Kk	Kinzokunosabitenkanyoru boseihimakukeiseizai
IT1028526B (it) *	1974-09-17	1979-02-10	Fosfa Co Sas Di A Dal Pave E C	Procedimento per preparare un prodotto per il pretrattamento di superfici ferrose destinate alla verniciatura e prodotto ottenuto con lo stesso procedimento
SU673668A1 (ru) *	1977-04-04	1979-07-15	Экспериментально-Конструкторский И Технологический Институт Автомобильной Промышленности	Раствор дл одновременного обезжиривани , травлени и фосфатировани металлической поверхности

1979
- 1979-03-16 IT IT7921079A patent/IT1111586B/it active
1980
- 1980-03-10 IE IE482/80A patent/IE49550B1/en not_active IP Right Cessation
- 1980-03-13 LU LU82255A patent/LU82255A1/fr unknown
- 1980-03-13 FR FR8005632A patent/FR2451394B1/fr not_active Expired
- 1980-03-13 AT AT0139880A patent/AT366423B/de not_active IP Right Cessation
- 1980-03-14 YU YU703/80A patent/YU41202B/xx unknown
- 1980-03-14 BE BE0/199809A patent/BE882240A/fr not_active IP Right Cessation
- 1980-03-14 DK DK112580A patent/DK157564C/da not_active IP Right Cessation
- 1980-03-14 DE DE3009931A patent/DE3009931C2/de not_active Expired
- 1980-03-14 CA CA000347680A patent/CA1135040A/en not_active Expired
- 1980-03-14 CH CH203780A patent/CH643585A5/de not_active IP Right Cessation
- 1980-03-14 NL NLAANVRAGE8001546,A patent/NL179747C/xx not_active IP Right Cessation
- 1980-03-14 JP JP55031715A patent/JPS6040508B2/ja not_active Expired
- 1980-03-15 ES ES489610A patent/ES8104833A1/es not_active Expired
- 1980-03-17 US US06/131,112 patent/US4293349A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
NL179747C (nl)	1986-11-03
IE49550B1 (en)	1985-10-30
ATA139880A (de)	1981-08-15
IT1111586B (it)	1986-01-13
YU41202B (en)	1986-12-31
ES489610A0 (es)	1981-04-01
DK157564C (da)	1990-06-18
DE3009931A1 (de)	1980-09-25
AT366423B (de)	1982-04-13
BE882240A (fr)	1980-09-15
YU70380A (en)	1983-06-30
US4293349A (en)	1981-10-06
IE800482L (en)	1980-09-16
CH643585A5 (de)	1984-06-15
JPS55141574A (en)	1980-11-05
DK157564B (da)	1990-01-22
DK112580A (da)	1980-09-17
IT7921079A0 (it)	1979-03-16
NL179747B (nl)	1986-06-02
ES8104833A1 (es)	1981-04-01
JPS6040508B2 (ja)	1985-09-11
FR2451394B1 (fr)	1985-09-20
NL8001546A (nl)	1980-09-18
DE3009931C2 (de)	1986-04-03
FR2451394A1 (fr)	1980-10-10
CA1135040A (en)	1982-11-09

Publication	Publication Date	Title
Rahim et al.	2008	Inhibitive action of mangrove tannins and phosphoric acid on pre-rusted steel via electrochemical methods
LU82255A1 (fr)	1980-06-06	Compositions de protection de surafaces d'acier et procede pour leur preparation
Wamba-Tchio et al.	2022	Electrochemical study and experimental simulation of the synergistic effect of a formulation based on Ficus pumila Linn. Leaves extract and zinc sulfate on the XC38 steel corrosion inhibition in NaCl solution
FR2460316A1 (fr)	1981-01-23	Composition pour enlever les oxydes metalliques des metaux ferreux
US2854368A (en)	1958-09-30	Protective coatings for metals
GB2048961A (en)	1980-12-17	Protective compositions for steel surfaces
Gusti et al.	2020	Exploration of coffee bean husks waste as an eco-environmentally friendly corrosion inhibitor on mild steel in sulphuric acid solutions
Sukatik	2017	Green inhibitor for mild steel in acidic solution by using crude extract and polar extract of Theobroma cacao peels
CN104277693B (zh)	2017-02-08	一种船舶防锈漆及其制备方法
EP0102284B1 (de)	1987-06-24	Lösung und Verfahren zur chemischen Konversion metallischer Oberflächen
Notoya et al.	1981	Benzotriazole and tolyltriazole as corrosion inhibitors for copper and brasses
US3400023A (en)	1968-09-03	Composition for preservation of metals, process and article
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