GB1291370A - Corrosion inhibiting cleaner for steel and ferrous metals - Google Patents

Corrosion inhibiting cleaner for steel and ferrous metals

Info

Publication number
GB1291370A
GB1291370A GB54384/70A GB5438470A GB1291370A GB 1291370 A GB1291370 A GB 1291370A GB 54384/70 A GB54384/70 A GB 54384/70A GB 5438470 A GB5438470 A GB 5438470A GB 1291370 A GB1291370 A GB 1291370A
Authority
GB
United Kingdom
Prior art keywords
alkali metal
corrosion
cleaner
steel
nitrite
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
Application number
GB54384/70A
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.)
Stauffer Chemical Co
Original Assignee
Stauffer Chemical Co
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 Stauffer Chemical Co filed Critical Stauffer Chemical Co
Publication of GB1291370A publication Critical patent/GB1291370A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/16Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions using inhibitors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Detergent Compositions (AREA)

Abstract

1291370 Corrosion-inhibiting cleaner STAUFFER CHEMICAL CO 16 Nov 1970 [23 Dec 1969] 54384/70 Headings C7E and C7U A corrosion-inhibiting and passivating metal cleaner comprises a mixture of at least 50 wt per cent alkali metal silicate with an alkali metal nitrate or nitrite. Ortho- or meta-silicates of Na or K and nitrites and nitrates of Na or K are preferably used; Na 2 SiO 3 may be used as a mixture of powder and granules. A chelating agent may be present, such as an aminopolycarboxylic acid or a Na, Li, K, or NH 4 salt thereof, EDTA tetrasodium salt being preferred. A solvent such as a paraffinic or naphthenic mineral oil or ethylene glycol n-hexyl ether may be present, as may a non-ionic or anionic surfactant. Anionic surfactants include higher fatty alcohol sulphates, alkylaryl sulphonates, alkali metal higher alkyl sulpho-succinates, Na N-methyl-N-palmitoyllaurate, Na oleyl isothionate, or alkali metal salts of alkylarylpolyethoxyethanol sulphates or sulphonates. Non-ionic surfactants include alkylphenoxypolyethoxyethanols having C 7-18 alkyl groups and 6-60 or more ethoxy groups, polyethoxyethanol derivatives of methylene-linked alkyl phenols, condensates of 6-60 moles ethylene oxide with mercaptans or alkylthiophenols, ethylene oxide derivatives of long chain carboxylic acids, alcohols, long- or branch-chain amines, or block copolymers of ethylene and propylene oxides, preferred surfactants being low-foaming and bio-degradable, e.g. the linear alcohol ethoxylates. Proportions used may be silicate, 95-50 wt per cent; nitrate or nitrite, 5-50%; chelant, 0-5%; surfactant 0-5%; and solvent 0-5%. 0À25 to 8 ozs. dissolved or dispersed per gallon of water is sprayed on to steel or iron at ambient temperature to 180‹ F. and 10-80 psi, or the metal is dipped therein, to effect cleaning and passivation.
GB54384/70A 1969-12-23 1970-11-16 Corrosion inhibiting cleaner for steel and ferrous metals Expired GB1291370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88773469A 1969-12-23 1969-12-23

Publications (1)

Publication Number Publication Date
GB1291370A true GB1291370A (en) 1972-10-04

Family

ID=25391749

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54384/70A Expired GB1291370A (en) 1969-12-23 1970-11-16 Corrosion inhibiting cleaner for steel and ferrous metals

Country Status (9)

Country Link
JP (1) JPS4933252B1 (en)
BE (1) BE760682A (en)
CA (1) CA931040A (en)
DE (1) DE2063593A1 (en)
ES (1) ES385559A1 (en)
FR (1) FR2074026A5 (en)
GB (1) GB1291370A (en)
IL (1) IL35611A (en)
NL (1) NL7018732A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5955412A (en) * 1996-11-22 1999-09-21 Post; Sarah E. Powdered coil cleaner
CN112064034A (en) * 2020-08-31 2020-12-11 首钢智新迁安电磁材料有限公司 Electrical steel antirust liquid, and use method and application thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110714205B (en) * 2019-09-16 2022-02-01 铜陵市华创新材料有限公司 Electrolytic copper foil integrated machine anode plate descaling agent for lithium ion battery and preparation and use methods thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5955412A (en) * 1996-11-22 1999-09-21 Post; Sarah E. Powdered coil cleaner
CN112064034A (en) * 2020-08-31 2020-12-11 首钢智新迁安电磁材料有限公司 Electrical steel antirust liquid, and use method and application thereof
CN112064034B (en) * 2020-08-31 2022-10-04 首钢智新迁安电磁材料有限公司 Electrical steel antirust liquid, and use method and application thereof

Also Published As

Publication number Publication date
JPS4933252B1 (en) 1974-09-05
CA931040A (en) 1973-07-31
BE760682A (en) 1971-06-22
IL35611A0 (en) 1971-01-28
ES385559A1 (en) 1973-03-16
IL35611A (en) 1974-01-14
DE2063593A1 (en) 1971-07-01
FR2074026A5 (en) 1971-10-01
NL7018732A (en) 1971-06-25

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414E Application relinquished (sect. 14/1949)