US1610362A - Process for the treatment of iron or steel for preventing oxidation or rusting - Google Patents

Process for the treatment of iron or steel for preventing oxidation or rusting Download PDF

Info

Publication number
US1610362A
US1610362A US86662A US8666226A US1610362A US 1610362 A US1610362 A US 1610362A US 86662 A US86662 A US 86662A US 8666226 A US8666226 A US 8666226A US 1610362 A US1610362 A US 1610362A
Authority
US
United States
Prior art keywords
iron
steel
solution
treatment
acid
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 - Lifetime
Application number
US86662A
Other languages
English (en)
Inventor
Coslett Thomas Watts
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US1610362A publication Critical patent/US1610362A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C23CCOATING 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
    • C23C22/00Chemical 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
    • C23C22/05Chemical 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
    • C23C22/06Chemical 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
    • C23C22/07Chemical 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
    • C23C22/08Orthophosphates
    • C23C22/12Orthophosphates containing zinc cations
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/36Phosphatising

Definitions

  • This invention relates to the treatment of iron or steel or articles composed or having a surface offiron or, steel by processes of the kind described in myprior United States patent specifications Nos. 870,937and 1,007,- 069 according towhich: theiron or steel surfacesare provided with a'protective covering or deposit ofa' compound that renders the said surfaces capable of resisting or being unafi'ected'by the action of moisture'or other oxidizing. or rusting? influences.
  • the iron or steel or-the" articles composed or having a surface of iron or steel is or are subjected to the action I of adilute solution of phosphoric acid either alone or-with the addition'of asuitablei subb 'phate.
  • stance such as iron filings, ferrous phosphate, or a other "appropriate compound adapted to "control or regulate the chemical action upon the metal or. articles undergoing treatment, or of phosphoric acid inthe presence ofzi-nc' or a suitable zinc compound, or of a solution thereof in phosphoric acid,- or" of a solution of acid zinc phosphate (that is zinc phosphate solution with asmall excess offphosplioric acid), or of a solution containing zinc phosphate and iron phos- 'According to the present'inventioii a process of the kind referred to for the treatment or articles with an iron or' steel surface'consis'ts in subjecting it or'them to the action of a solution of one'orother of the kinds lie'reinbet'ore referred to and containing as an additional constituent a compound of boroinyfor instance boric'acid or a.
  • the solutions employed for the present process should be only slightly acid; as an illus tr'ati'o'n it 'may bementioned that a suitable aci dity of a bathot zinc phospl'iate solution, before the addition of the'boric acid thereto; is such that 10 cubic centimetres of the solution require about 4.8 to5.5 cubic centimetres of'deci-nornial sodium hydroxf ralizatiou.
  • solution is of a bath of zinc phosphate sol 'tals) in'water in the approximate relative rnnvnnrme oxrnn'i'ro'n on" proportions of about 2 ouncesofthephos phate and 1 lon ofwater;
  • the treatment'of the iron or steel-orarti-i cles with'an iron or steel 'surfaceis ably carried outwith a hot solution order to diminish prefer- 7 loss of boric acid therefrom due to its -volatility in steam, thevessel' in which it is contained and wherein the treatment of, the iron or steel articles is carried out should be kept covered as'm'uch as possible so as to reduce evaporationto a minimum.
  • concentration of boric acid present in the bath solution during the treatment 010-: eration an additional amount of boric acid maybe added from timetotiine-so as to compensate for that lost by evaporation and keep the'amount ofboric acid in the solution as constant as-possible. of the solution when required 'maylalsobe added to the bath; from time to tim to replace those used up in carrying out the process.
  • the fresh bath prepared with the qua'ntitiesof acid zinc phosphate and boric acid mentioned above requires about 6.5 to 7 cubic centimetres of theasodium hydroxide soluti'om the increase ot'abdut'l to 1.5 cubic centimetres over the titration'fig ure obtained in the case ution alone being due to the presence of the boric acid.
  • the first titration figure obtained aftermaking an allowance of aboutlto 1.5 cubic centimetres-forthe boricv acid present, measures approximately the amount of acid fzinc I and'the second figure obtained (13 cubic centimetres for the fresh bath) measures approximately the amount-of-borie acid pres--' .ent.
  • the articles to betreated may be suspended in the solution on iron or zinc wires or on holders or'in containers made of any suitable material. that has no detrimental effect on the solution,
  • p phoric acid of under treatment may be iron or steel or articles.
  • a process fort steel or articles composed or having a surface of'iron or steel for preventing the oxidation or rusting thereof which consists in subjecting the same to the action of,a zinc-containing and boron-containing;solution of'phos horic'acid.
  • a process for the treatment of iron or steel or articles composed or having a surface or rusting thereof which consists in subjectcomposed or having a re treatment of iron or mg ,thesame to the action of a dilute zinc-j containing and 1 boron-contalning solution I of phosphoric acid. 1 I
  • a process of iron or steel preventing the oxidation which cons sts nsub ecta zinc-containcan varying degrecsof concenfor the treatment of iron or i v dor having a surface for preventing the oxidation 1"" h consists in'subjectcompound of boron for the treatment of iron or 1 steel or articles composed or having a surface for preventlng the oxidatlon or rusting thereof, which consists in subject- 'ing the same to the action of a dilute soluv tion ofphosphoric acid and a compound-of 1 boron with the additionof a substance adapted to control or regulate the chemical ,re-. actions.
  • a process for the treatment of iron or steel or articles, composed or having a surface of iron or steel for preventin the oxidation or rusting thereof which consists in subject-- ing the same to. the action'of a zinc-conta1ning and boric-a cid-containing. solution of phosphoric acid.
  • a process for'the'treatment ofiron or steel or articles composed or having a surface of iron or steel for preventing the oxidation or rusting thereof which consists in subjecting the same to the action of a solution of phosphoriciacid and-boric acid the addition of a substance adapted to control or regulate the chemicalreactions.
  • addition'o'f a subdance adapted to control or regulate the chemical reactions.
  • a process for the treatment. of iron or 1 steel or articles composed or having a surface of iron or steel for'preventing the oxidation or rusting thereof which consists in sub ecting the same to the action of a dilute solution containing'zinc and iron phosphate and boric acid.' v I 1.6.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Lubricants (AREA)
US86662A 1925-06-26 1926-02-06 Process for the treatment of iron or steel for preventing oxidation or rusting Expired - Lifetime US1610362A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB16515/25A GB247071A (en) 1925-06-26 1925-06-26 Improvements in or relating to processes for the treatment of iron or steel for preveting oxidation or rusting
GB457729X 1925-06-26
GB109977X 1925-06-26

Publications (1)

Publication Number Publication Date
US1610362A true US1610362A (en) 1926-12-14

Family

ID=61026483

Family Applications (1)

Application Number Title Priority Date Filing Date
US86662A Expired - Lifetime US1610362A (en) 1925-06-26 1926-02-06 Process for the treatment of iron or steel for preventing oxidation or rusting

Country Status (8)

Country Link
US (1) US1610362A (da)
AT (1) AT109977B (da)
BE (1) BE332009A (da)
DE (1) DE457729C (da)
DK (1) DK37110C (da)
FR (1) FR610316A (da)
GB (1) GB247071A (da)
NL (1) NL19120C (da)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477841A (en) * 1945-09-10 1949-08-02 Parker Rust Proof Co Method of coating metal surfaces comprising aluminum
US2479564A (en) * 1945-09-14 1949-08-23 Lloyd O Gilbert Phosphate coating of metallic articles
US2493516A (en) * 1942-12-19 1950-01-03 Standard Oil Dev Co Chemical surface treatment of ferrous bearing metals
US2674552A (en) * 1950-06-06 1954-04-06 Detrex Corp Method of and material for coating iron and steel surfaces
US2712511A (en) * 1950-03-03 1955-07-05 Pennsylvania Salt Mfg Co Method and composition for preparing ferrous metal for forming
US2859146A (en) * 1956-07-09 1958-11-04 Republic Steel Corp Method of treating galvanized metal to inhibit corrosion
US2926123A (en) * 1956-03-30 1960-02-23 Sidney L Simon Temperature reducing coating for metals subject to flame exposure
US3507641A (en) * 1966-12-29 1970-04-21 Grace W R & Co Preparation of slurry fertilizer by acid treatment of phosphate rock and ammoniation
US3533859A (en) * 1966-06-18 1970-10-13 Hooker Chemical Corp Coating process for ferrous metal surfaces
US3607453A (en) * 1969-10-02 1971-09-21 Hooke Chemical Corp Metal treating process
US3881039A (en) * 1971-01-22 1975-04-29 Snam Progetti Process for the treatment of amorphous carbon or graphite manufactured articles, for the purpose of improving their resistance to oxidation, solutions suitable for attaining such purpose and resulting product
US4330345A (en) * 1980-12-08 1982-05-18 Chemfil Corporation Phosphate coating process and composition

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747085C (de) * 1940-06-19 1944-09-06 Ig Farbenindustrie Ag Verfahren zur Herstellung von Phosphatschichten auf Metallen
DE1234480B (de) * 1961-03-04 1967-02-16 Yawata Iron & Steel Co Verfahren zur Herstellung elektrisch isolierender Stahlblechueberzuege
US3383275A (en) * 1963-04-12 1968-05-14 Westinghouse Electric Corp Insulation utilizing boron phosphate
DE1521877B1 (de) * 1966-06-18 1970-07-02 Metallgesellschaft Ag Verfahren zum Aufbringen von Phosphatueberzuegen auf Eisen und Stahl
US6706669B2 (en) * 2001-07-13 2004-03-16 Exxonmobil Research And Engineering Company Method for inhibiting corrosion using phosphorous acid

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493516A (en) * 1942-12-19 1950-01-03 Standard Oil Dev Co Chemical surface treatment of ferrous bearing metals
US2477841A (en) * 1945-09-10 1949-08-02 Parker Rust Proof Co Method of coating metal surfaces comprising aluminum
US2479564A (en) * 1945-09-14 1949-08-23 Lloyd O Gilbert Phosphate coating of metallic articles
US2712511A (en) * 1950-03-03 1955-07-05 Pennsylvania Salt Mfg Co Method and composition for preparing ferrous metal for forming
US2674552A (en) * 1950-06-06 1954-04-06 Detrex Corp Method of and material for coating iron and steel surfaces
US2926123A (en) * 1956-03-30 1960-02-23 Sidney L Simon Temperature reducing coating for metals subject to flame exposure
US2859146A (en) * 1956-07-09 1958-11-04 Republic Steel Corp Method of treating galvanized metal to inhibit corrosion
US3533859A (en) * 1966-06-18 1970-10-13 Hooker Chemical Corp Coating process for ferrous metal surfaces
US3507641A (en) * 1966-12-29 1970-04-21 Grace W R & Co Preparation of slurry fertilizer by acid treatment of phosphate rock and ammoniation
US3607453A (en) * 1969-10-02 1971-09-21 Hooke Chemical Corp Metal treating process
US3881039A (en) * 1971-01-22 1975-04-29 Snam Progetti Process for the treatment of amorphous carbon or graphite manufactured articles, for the purpose of improving their resistance to oxidation, solutions suitable for attaining such purpose and resulting product
US4330345A (en) * 1980-12-08 1982-05-18 Chemfil Corporation Phosphate coating process and composition

Also Published As

Publication number Publication date
DE457729C (de) 1928-03-24
GB247071A (en) 1926-02-11
NL19120C (nl) 1928-11-15
BE332009A (fr) 1926-03-31
DK37110C (da) 1927-02-07
AT109977B (de) 1928-06-25
FR610316A (fr) 1926-09-03

Similar Documents

Publication Publication Date Title
US1610362A (en) Process for the treatment of iron or steel for preventing oxidation or rusting
KR860001184B1 (ko) 철, 아연 또는 알루미늄 금속표면에 접촉시키는 부식방지 산성 수용성 피복조성물
US1007069A (en) Treatment of iron or steel to prevent the oxidation or rusting thereof.
US3032435A (en) Process for improving the corrosion resistance of pieces of light metals and light metal alloys
Niwa et al. IR spectroscopic study of adsorbed species formed on electrodes during the Fe (CN) 3− 4− 6 charge transfer reaction
US1303627A (en) Treatment of iron or steel or other articles
US1247086A (en) Method of coating metallic articles to prevent oxidation.
KR860000014B1 (ko) 부식방지 산성 수용성 피복 조성물
US374208A (en) Process of preserving wood
US2105446A (en) Treatment of leather
JPH05500978A (ja) ハイドを処理する方法
GB2057512A (en) Processes of phosphating surfaces of iron and of steel with manganese
US3425805A (en) Phosphite testing method
US3390063A (en) Electrolytes and method for anodizing aluminum
US3296141A (en) Bright dip compositions for the treatment of steel
US4243496A (en) Process for the formation of protecting coatings on zinc surfaces
US675413A (en) Process of coating fibrous material with metal.
US3671332A (en) Metal treating process
US409336A (en) Chrome-tanned leather and process of preparing the same
US398619A (en) Preserving and hardening wood
US1215463A (en) Process for rust-proofing metal.
US699326A (en) Extraction of copper by the wet method.
US455768A (en) Robert w
SU153284A1 (da)
US54588A (en) Improved process of tanning