DE69404288D1 - Chrom-freie passivierung von metalloberflächen - Google Patents

Chrom-freie passivierung von metalloberflächen

Info

Publication number
DE69404288D1
DE69404288D1 DE69404288T DE69404288T DE69404288D1 DE 69404288 D1 DE69404288 D1 DE 69404288D1 DE 69404288 T DE69404288 T DE 69404288T DE 69404288 T DE69404288 T DE 69404288T DE 69404288 D1 DE69404288 D1 DE 69404288D1
Authority
DE
Germany
Prior art keywords
metal surfaces
chrome
solutions
free passivation
treating
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 - Fee Related
Application number
DE69404288T
Other languages
English (en)
Other versions
DE69404288T2 (de
Inventor
Ralph Gray
Michael Pawlik
Paul Prucnal
Christopher Baldy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Ohio Inc
Original Assignee
PPG Industries Inc
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.)
Filing date
Publication date
Application filed by PPG Industries Inc filed Critical PPG Industries Inc
Publication of DE69404288D1 publication Critical patent/DE69404288D1/de
Application granted granted Critical
Publication of DE69404288T2 publication Critical patent/DE69404288T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • C23C22/34—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
    • C23C22/36—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 containing also phosphates
    • 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
    • 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
    • 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
DE69404288T 1993-03-15 1994-02-23 Chrom-freie passivierung von metalloberflächen Expired - Fee Related DE69404288T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/031,508 US5294265A (en) 1992-04-02 1993-03-15 Non-chrome passivation for metal substrates
PCT/US1994/001980 WO1994021842A1 (en) 1993-03-15 1994-02-23 Non-chrome passivation for metal substrates

Publications (2)

Publication Number Publication Date
DE69404288D1 true DE69404288D1 (de) 1997-08-21
DE69404288T2 DE69404288T2 (de) 1998-01-22

Family

ID=21859853

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69404288T Expired - Fee Related DE69404288T2 (de) 1993-03-15 1994-02-23 Chrom-freie passivierung von metalloberflächen

Country Status (20)

Country Link
US (1) US5294265A (de)
EP (1) EP0689620B1 (de)
JP (1) JP2768556B2 (de)
KR (1) KR100303669B1 (de)
AT (1) ATE155535T1 (de)
AU (1) AU676030B2 (de)
BR (1) BR9405948A (de)
CA (1) CA2156501C (de)
CZ (1) CZ286708B6 (de)
DE (1) DE69404288T2 (de)
ES (1) ES2105669T3 (de)
FI (1) FI103992B (de)
HU (1) HU214282B (de)
NO (1) NO953618D0 (de)
NZ (1) NZ263013A (de)
PL (1) PL174294B1 (de)
RU (1) RU2114933C1 (de)
TR (1) TR27790A (de)
TW (1) TW276273B (de)
WO (1) WO1994021842A1 (de)

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Also Published As

Publication number Publication date
HU9502465D0 (en) 1995-10-30
JP2768556B2 (ja) 1998-06-25
PL310631A1 (en) 1995-12-27
AU6352794A (en) 1994-10-11
FI954323A0 (fi) 1995-09-14
CZ236895A3 (en) 1996-02-14
KR100303669B1 (ko) 2001-11-22
NO953618L (no) 1995-09-13
CZ286708B6 (en) 2000-06-14
WO1994021842A1 (en) 1994-09-29
DE69404288T2 (de) 1998-01-22
JPH08506622A (ja) 1996-07-16
RU2114933C1 (ru) 1998-07-10
HUT71996A (en) 1996-03-28
BR9405948A (pt) 1996-02-06
KR960701239A (ko) 1996-02-24
ATE155535T1 (de) 1997-08-15
TR27790A (tr) 1995-08-29
HU214282B (hu) 1998-03-02
US5294265A (en) 1994-03-15
CA2156501C (en) 1999-01-19
NZ263013A (en) 1996-09-25
FI954323A (fi) 1995-09-14
TW276273B (de) 1996-05-21
NO953618D0 (no) 1995-09-13
PL174294B1 (pl) 1998-07-31
CA2156501A1 (en) 1994-09-29
EP0689620A1 (de) 1996-01-03
EP0689620B1 (de) 1997-07-16
FI103992B1 (fi) 1999-10-29
ES2105669T3 (es) 1997-10-16
AU676030B2 (en) 1997-02-27
FI103992B (fi) 1999-10-29

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Owner name: PPG INDUSTRIES OHIO, INC., CLEVELAND, OHIO, US

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