IT1068150B - Processo per la produzione di rivestimenti fosfatici su superficimetalliche - Google Patents

Processo per la produzione di rivestimenti fosfatici su superficimetalliche

Info

Publication number
IT1068150B
IT1068150B IT7627075A IT2707576A IT1068150B IT 1068150 B IT1068150 B IT 1068150B IT 7627075 A IT7627075 A IT 7627075A IT 2707576 A IT2707576 A IT 2707576A IT 1068150 B IT1068150 B IT 1068150B
Authority
IT
Italy
Prior art keywords
phosphatic
coatings
production
metal surfaces
metal
Prior art date
Application number
IT7627075A
Other languages
English (en)
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Application granted granted Critical
Publication of IT1068150B publication Critical patent/IT1068150B/it

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
    • C23C22/07—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
    • C23C22/12—Orthophosphates containing zinc cations
    • C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions
    • 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
    • C23C22/22—Orthophosphates containing alkaline earth metal cations
IT7627075A 1975-09-12 1976-09-10 Processo per la produzione di rivestimenti fosfatici su superficimetalliche IT1068150B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752540684 DE2540684A1 (de) 1975-09-12 1975-09-12 Verfahren zur herstellung von phosphatueberzuegen auf metalloberflaechen

Publications (1)

Publication Number Publication Date
IT1068150B true IT1068150B (it) 1985-03-21

Family

ID=5956298

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7627075A IT1068150B (it) 1975-09-12 1976-09-10 Processo per la produzione di rivestimenti fosfatici su superficimetalliche

Country Status (8)

Country Link
AT (1) AT345627B (it)
BE (1) BE846009A (it)
BR (1) BR7605426A (it)
DE (1) DE2540684A1 (it)
FR (1) FR2323776A1 (it)
IT (1) IT1068150B (it)
NL (1) NL7609015A (it)
SE (1) SE7610069L (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2080835B (en) * 1980-07-25 1984-08-30 Pyrene Chemical Services Ltd Prevention of sludge in phosphating baths
DE3407513A1 (de) * 1984-03-01 1985-09-05 Gerhard Collardin GmbH, 5000 Köln Verfahren zur zink-calcium-phosphatierung von metalloberflaechen bei niedriger behandlungstemperatur
ES2058464T3 (es) * 1988-02-03 1994-11-01 Metallgesellschaft Ag Procedimiento para la generacion de recubrimiento de fosfato sobre metales.
JPH02101174A (ja) * 1988-10-06 1990-04-12 Nippon Paint Co Ltd 冷間加工用リン酸亜鉛処理方法
US11566330B2 (en) * 2019-04-16 2023-01-31 Ppg Industries Ohio, Inc. Systems and methods for maintaining pretreatment baths

Also Published As

Publication number Publication date
NL7609015A (nl) 1977-03-15
FR2323776A1 (fr) 1977-04-08
BR7605426A (pt) 1977-08-16
AT345627B (de) 1978-09-25
FR2323776B1 (it) 1980-10-31
DE2540684A1 (de) 1977-03-17
SE7610069L (sv) 1977-03-13
ATA459876A (de) 1978-01-15
BE846009A (fr) 1976-12-31

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