MX9800363A - Acidos de decapar inhibidos que contienen iones de cloruro y zinc. - Google Patents

Acidos de decapar inhibidos que contienen iones de cloruro y zinc.

Info

Publication number
MX9800363A
MX9800363A MX9800363A MX9800363A MX9800363A MX 9800363 A MX9800363 A MX 9800363A MX 9800363 A MX9800363 A MX 9800363A MX 9800363 A MX9800363 A MX 9800363A MX 9800363 A MX9800363 A MX 9800363A
Authority
MX
Mexico
Prior art keywords
inhibitors
zinc
zinc ions
acids containing
pickling
Prior art date
Application number
MX9800363A
Other languages
English (en)
Other versions
MXPA98000363A (es
Inventor
Gerald A Black
Original Assignee
Henkel Corp
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 Henkel Corp filed Critical Henkel Corp
Publication of MX9800363A publication Critical patent/MX9800363A/es
Publication of MXPA98000363A publication Critical patent/MXPA98000363A/es

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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
    • C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
    • C23G1/061—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors nitrogen-containing compounds

Abstract

Los inhibidores que contienen un anillo de triazina, que se han dado a conocer extensamente en la técnica anterior como inhibidores excelentes para las composiciones de decapar a base de ácido clorhídrico, se ha encontrado que son más efectivas durante uso prolongado cuando las composiciones de decapar pueden disolver cantidades significativas de iones de zinc, debido a que el inhibidor se precipita como un solido en presencia tanto de iones de zinc como de cloruro. Otros inhibidores de decapar que contienen nitrogeno están exentos de esta dificultad y funcionan efectivamente aun en presencia de zinc. Las combinaciones y tetramina de hexametileno son particularmente efectivos.
MXPA/A/1998/000363A 1995-07-13 1998-01-12 Acidos de decapar inhibidos que contienen iones de cloruro y zinc MXPA98000363A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US112495P 1995-07-13 1995-07-13
US001124 1995-07-13
PCT/US1996/011425 WO1997003167A1 (en) 1995-07-13 1996-07-12 Inhibited pickling acids containing chloride and zinc ions

Publications (2)

Publication Number Publication Date
MX9800363A true MX9800363A (es) 1998-07-31
MXPA98000363A MXPA98000363A (es) 1998-11-09

Family

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Also Published As

Publication number Publication date
AR002819A1 (es) 1998-04-29
ZA965687B (en) 1997-02-24
BR9609785A (pt) 1999-03-09
CA2226887A1 (en) 1997-01-30
WO1997003167A1 (en) 1997-01-30
AU6543396A (en) 1997-02-10

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