GB2011383A - Sulfites and bisulfites of amines and their use for inhibiting corrosion - Google Patents

Sulfites and bisulfites of amines and their use for inhibiting corrosion

Info

Publication number
GB2011383A
GB2011383A GB7844783A GB7844783A GB2011383A GB 2011383 A GB2011383 A GB 2011383A GB 7844783 A GB7844783 A GB 7844783A GB 7844783 A GB7844783 A GB 7844783A GB 2011383 A GB2011383 A GB 2011383A
Authority
GB
United Kingdom
Prior art keywords
bisulfites
sulfites
amines
groups
integer
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.)
Granted
Application number
GB7844783A
Other versions
GB2011383B (en
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.)
Malaco AG
Kemanobel AB
Original Assignee
Malaco AG
Kemanobel AB
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
Priority claimed from SE7712955A external-priority patent/SE408917B/en
Priority claimed from SE7712957A external-priority patent/SE408918B/en
Application filed by Malaco AG, Kemanobel AB filed Critical Malaco AG
Publication of GB2011383A publication Critical patent/GB2011383A/en
Application granted granted Critical
Publication of GB2011383B publication Critical patent/GB2011383B/en
Expired 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/14—Nitrogen-containing compounds
    • C23F11/141—Amines; Quaternary ammonium compounds
    • C23F11/143—Salts of amines

Abstract

Sulfites or bisulfites of ether amines containing hydrophobic groups are derived from amines of the formula: <IMAGE> wherein R is an organic hydrophobic group, a is an integer, m, n, n', p and q are O or integers, X<1>, X<2>, X<3> and X<4> are hydrogen atoms, C1-4 alkyl groups or (R'O)yH groups, y being an integer, and R' is an ethylene, propylene or isopropylene group. The sulfites or bisulfites are reaction products of SO2 or H2SO3 with ether amines. The reaction can be carried out in water, alcohols or mixtures of these at room temperature or elevated temperature. The products are useful as corrosion inhibitors in liquid systems. They have both corrosion inhibiting properties and oxygen scavenging properties and further have a substantial bactericidal effect.
GB7844783A 1977-11-16 1978-11-16 Sulphites and bisulphites of amines and their use for inhibiting corrosion Expired GB2011383B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7712955A SE408917B (en) 1977-11-16 1977-11-16 WAY TO PREVENT CORROSION OF METALS IN CONTACT WITH LIQUID SYSTEMS AND MEANS FOR PERFORMING THE PROCEDURE
SE7712957A SE408918B (en) 1977-11-16 1977-11-16 CORROSION INHIBITING COMPOSITION

Publications (2)

Publication Number Publication Date
GB2011383A true GB2011383A (en) 1979-07-11
GB2011383B GB2011383B (en) 1982-05-26

Family

ID=26656910

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7844783A Expired GB2011383B (en) 1977-11-16 1978-11-16 Sulphites and bisulphites of amines and their use for inhibiting corrosion

Country Status (2)

Country Link
GB (1) GB2011383B (en)
NO (1) NO146708C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076919A1 (en) * 1981-09-04 1983-04-20 Hoechst Aktiengesellschaft Waterproofing agent for expanded minerals capable of being diluted with water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076919A1 (en) * 1981-09-04 1983-04-20 Hoechst Aktiengesellschaft Waterproofing agent for expanded minerals capable of being diluted with water

Also Published As

Publication number Publication date
NO783850L (en) 1979-05-18
NO146708B (en) 1982-08-16
NO146708C (en) 1982-11-24
GB2011383B (en) 1982-05-26

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19981115