HUE033958T2 - Cinkfelületek passziválás elõtti elõkezelése - Google Patents

Cinkfelületek passziválás elõtti elõkezelése Download PDF

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Publication number
HUE033958T2
HUE033958T2 HUE13705479A HUE13705479A HUE033958T2 HU E033958 T2 HUE033958 T2 HU E033958T2 HU E13705479 A HUE13705479 A HU E13705479A HU E13705479 A HUE13705479 A HU E13705479A HU E033958 T2 HUE033958 T2 HU E033958T2
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acid
iron
component
ions
acids
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HUE13705479A
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English (en)
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Andreas Arnold
Michael Wolpers
Marcel Roth
Uta Sundermeier
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Henkel Ag & Co Kgaa
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    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • 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
    • 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
    • C23C22/18—Orthophosphates containing manganese cations
    • C23C22/182—Orthophosphates containing manganese cations containing also zinc cations
    • 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
    • C23C22/34—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 fluorides or complex fluorides
    • 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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 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
    • 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
    • C23C22/73—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 characterised by the process
    • 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
    • C23C22/78—Pretreatment of the material to be coated
    • 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
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
    • 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
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Treatment Of Metals (AREA)

Claims (4)

  1. imU'eUtkkk o.tss. ο. alas o' nh ek \e eleső S/abudalm 5 i gé n y pom ok * ?v> vdküihoe wee kcszatnem emh klúteteket tarudrwo tandemes ekd,e,v auv melynek pi-bértőke legalább 8.5. és a) legaláfeÉHXÖl g/! vas-iont, h) egy vagy több vkoldhatd szerves karbonját mely a sas «csoporthoz képpia.-, p vagy; y- helyzerben; legalább egy aminocsoportm tartalmaz, valamim' v .(/oldható soit* cl eg> sags több kwíor- \ag> oamgemoa^.vnap '•al.amnt woldh ah sóska, ahol kvakhb egy foszfözitom vagy .ö^iíáoió^tí^pbti.v'ás: d.t egy vagy több viæaldhatô a«bidmxi”k.Äonsavakai0!y 'legalább egy hidrpxilgsoporim és egy karboxi (csoportot tartalmas, és rtem a %|primí vfeoldható szerves karbonsav, vitamint azok \ ho kiható sôù tartalmazza.
  2. 2. Az L igénypont szerinti kééZÉménfy azzá! jellemezve, Msgy léplibh I gi> efonyisen iagv alább 2 g/1, de Összességében nem több. mint 10 g/i vaskóm tartaîma%
  3. 3. Az előző hotk a vas-ionok és a b} szerinti vizöldlail mőlaránya legalább !é!2. előnyősei legallbb I ;8, de nem több, mint 2:1« előnyösen de nem több, mim ki. 4. ,\z ohvo igénypontok korul égé vays tő-·"' s/ermti keomroa .o . akleme.-\e. hogs e '>x szerinti vtzoklható szerves karbonsav komponens u-ammosavak kb/tii választott, melyek az ami noesöpörtek on és karhosbesoponekon kívül kizárólag htdroxilesoportokat untai máznák, evk„u nsero avulna o, s»crn t one u< * t ginn 's μην1'* x °N "Vx gt utam insav kbz.nl választottak » i$ÿS$ klMÜ #|y '«g> tőbteertöti 1&amp;sâtiftétiÿ .«töd íéátikve, hogy a vas-ionok és a e) szerinti foszfor- vagy mux>pmekMv komponens, valamim \o/oldható sok tnifeÂyéi^Â5fe|.î10, előnyösen legalább 1:6. de nem több, mim 3:1, előnyösen nem több, mint 2:1, .) \ i\ » o''v< ‘mi k\ 'M 'X χχ ,e'eb u ' \ss mu" a ml el u e<^e his^.u) çsroriftti foszfor- vag) nitrogétwKOsav komponens hiposuieuomov&amp;av, hifKmiöiromÄv salőiromossav, hip^duszlbrsav. hipovüioszfonsav, difusztbnül. V isav. toaxionsav. Ίίΐ''Ν ‘xnw son va . srns η Am m Mike mvatas<\m ?. Az előző igénypontok:közül egy vagy több szerinti kész úrnőm azzal jeltanezve, hogy a vas-vrekés.. I v'r'v'iv.uaíM t-b>u vO atbonvn -s \ n o\lhao Mvhtu *n^o eg-alább 1:4,. előnyösen legalább 1 rá, de nem több, mini 2:1, előnyösen nem több, «um 1:1, I. Az előző igénypontok közöl egy vagy több szeműi kősxlMitiy "lül iellömezve, hogy a d) Nze.mt suAxuoo hs Smkm K\5"< >x kaau't s-ίλ non fai ehern y "a mbb sxemunmog cs ÂP|MOh/ïbpiâ%l:à:d^Psiô^t iuitapMÖfollÄzöxS'monokaxbonsavak és/vagy pobludroxiukikarboíisavak, tartronsav. gllkofsav, tejsav és/vagy a-hidmxbvrpav közül választott.
  4. 9. Az előző igénypontok közül egy vagy több szerinti készítmény ertlky a|s?m nagyobb. mint 1 l.Ck előnyösen nem nagyblkiptnl llkfvktilpM eliwöseu nem nagyobb, mint 10A 10, A/ előző igénypontok közül egy vagy több szerinti készítmény azzal jellemezve, hogy omkionok nincsenek jelen olyan nmmtyiáégK'«. bocs u óink-ionok és vas-ionok moláris ösv '\ aomoao'Ok marsán *·' -s/.e me , Aj ham ^C'vO\ cm \s um komponens es ». o s . önti vfzoltlhatö szerves «-hidroxt karbonsav komponens és azok vizoldhatö sói moláris össze mennyiségének aránya lil-néi nagyobb, előnyösen 2:3*nál nagyobb tegyen. ) i. Eljárás; galvanizált acéllelülerek előkezelésére, azzal jellemezve, hogy a gdvagi;p§ib|g|b felületeket i> elszór ávK-ti eseten uscntmk es a s n falam t luk egv ab ,ő,m> .rs/nma u üka ma v- ont, ϋϊ érintkezésbe hozzak az előző igénypontok közül egy vagy több szerinti alkálikus. készítménnyel. ős Hi::pktián4ü|y paőspiválömf^- 12 A 11 igénypont szerinti eljárás, azzal jellemezve, hogy a il) lépés külső árain nélkül megy végbe. Î3* .A it, K' n>eo\£vat eg>,k* savó m'nbkcm> 'A'i'und vuv aar.e a Semern *,. iagn λ ip^^Ivâlé'.t^àV^kêmial àlelakliê feaelés során a II) lépésben eïdkezélt éihkkèl bevon! Mil-iMíileigkei ggy $*va» mes kèsafimggiwd Sózzak êmâikezéeba. mely a TréTe Si garvagy lif elaMekiÂsz; elemekre smmliëli iepllbb â ρρΐΰ, dg összegen rigm tâbbs piai: i 500 ppm aiéffiïvlsêgû ylkoldbaiá szerveden. vggybleîeii iartalmazza, melyek Öuoöddímokaf adbek .1#·. 1¾ A ! L vagy 12^ igénypont egyike vagy mlndkeîîô saeoaii ejjiiak^ aami jellemezve, begy a paesaiválé:aedves''kémiai átalakító kmáéu korán ait!) tépésben eidkeaeb pakkal beveat:nyék lel ideieket egy .saxas vizes kés7,ítt»énnycl hozzuk érintkezésbe, raeiymA pH-crtékv a 2.5 3.6 látloaxáuyban van, és a) 0,2: '· 3.Û g/I eink(tl) iónt, b) FaÖs-ea seÉiiltva S.ö ·> 3d g/i ioseílbeek és c} előnyösen a temes Temekre számévá (I. ! g/tótéikeyesgöb ionos nlkkei és köibab vegyülő·· tel tartalmaz.
HUE13705479A 2012-02-24 2013-02-22 Cinkfelületek passziválás elõtti elõkezelése HUE033958T2 (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12156863.8A EP2631333A1 (de) 2012-02-24 2012-02-24 Vorbehandlung von Zinkoberflächen vor einer Passivierung

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HUE033958T2 true HUE033958T2 (hu) 2018-01-29

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HUE13705479A HUE033958T2 (hu) 2012-02-24 2013-02-22 Cinkfelületek passziválás elõtti elõkezelése

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US (1) US10227686B2 (hu)
EP (3) EP2631333A1 (hu)
JP (1) JP6526968B2 (hu)
KR (1) KR102095832B1 (hu)
CN (1) CN104185693B (hu)
AU (1) AU2013224115B2 (hu)
CA (1) CA2864467C (hu)
ES (2) ES2624195T3 (hu)
HU (2) HUE038740T2 (hu)
PL (2) PL2817434T3 (hu)
WO (1) WO2013124400A1 (hu)

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WO2016120671A1 (fr) * 2015-01-30 2016-08-04 Arcelormittal Procédé de préparation d'une tôle revêtue comprenant l'application d'une solution aqueuse comprenant un aminoacide et utilisation associée pour améliorer les propriétés tribologiques
WO2016120670A1 (fr) * 2015-01-30 2016-08-04 Arcelormittal Procédé de préparation d'une tôle revêtue comprenant l'application d'une solution aqueuse comprenant un aminoacide et utilisation associée pour améliorer la compatibilité avec un adhésif
WO2016120669A1 (fr) 2015-01-30 2016-08-04 Arcelormittal Procédé de préparation d'une tôle revêtue comprenant l'application d'une solution aqueuse comprenant un aminoacide et utilisation associée pour améliorer la résistance à la corrosion
US10882771B2 (en) * 2015-02-06 2021-01-05 Baker Hughes, A Ge Company, Llc Use of phosphino polymer and polyhydroxypolycarboxylic acid as corrosion inhibitor
WO2017109541A1 (en) 2015-12-21 2017-06-29 Arcelormittal Method for producing a high strength coated steel sheet having improved ductility and formability, and obtained coated steel sheet
US10683576B2 (en) * 2017-03-27 2020-06-16 Baker Hughes, A Ge Company, Llc Corrosion inhibitors for passivation of galvanized coatings and carbon steel
US10655217B2 (en) * 2018-05-01 2020-05-19 Spts Technologies Limited Method of forming a passivation layer on a substrate
EP3569734A1 (en) 2018-05-18 2019-11-20 Henkel AG & Co. KGaA Passivation composition based on trivalent chromium
FI3663435T3 (fi) 2018-12-05 2024-05-24 Henkel Ag & Co Kgaa Fosfori- ja fosfonihappojen seoksiin perustuva passivointikoostumus
WO2021139955A1 (en) 2020-01-06 2021-07-15 Henkel Ag & Co. Kgaa Passivation composition suitable for inner surfaces of zinc coated steel tanks storing hydrocarbons
WO2022148536A1 (en) 2021-01-06 2022-07-14 Henkel Ag & Co. Kgaa Improved cr(iii)-based passivation for zinc-aluminum coated steel
GB2603194A (en) 2021-02-01 2022-08-03 Henkel Ag & Co Kgaa Improved cr(iii) based dry-in-place coating composition for zinc coated steel
CN113913827B (zh) * 2021-09-09 2023-05-16 东风汽车集团股份有限公司 一种调质态镀锌碳素钢金相腐蚀剂及其应用
EP4174211A1 (de) * 2021-11-02 2023-05-03 Henkel AG & Co. KGaA Mehrstufige behandlung zur aktivierten zinkphosphatierung metallischer bauteile mit zinkoberflächen

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