US3925245A - Corrosion inhibiting composition containing an aminoalkyl-phosphonic acid and an inorganic nitrite - Google Patents
Corrosion inhibiting composition containing an aminoalkyl-phosphonic acid and an inorganic nitrite Download PDFInfo
- Publication number
- US3925245A US3925245A US265369A US26536972A US3925245A US 3925245 A US3925245 A US 3925245A US 265369 A US265369 A US 265369A US 26536972 A US26536972 A US 26536972A US 3925245 A US3925245 A US 3925245A
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- US
- United States
- Prior art keywords
- phosphonic acid
- formula
- synergistic combination
- compound
- methylene phosphonic
- 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
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 29
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 title claims abstract description 22
- 230000007797 corrosion Effects 0.000 title abstract description 19
- 238000005260 corrosion Methods 0.000 title abstract description 19
- 230000002401 inhibitory effect Effects 0.000 title abstract description 4
- -1 ferrous metals Chemical class 0.000 claims abstract description 41
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical group [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 42
- 150000001875 compounds Chemical class 0.000 claims description 37
- 239000011885 synergistic combination Substances 0.000 claims description 36
- 235000010288 sodium nitrite Nutrition 0.000 claims description 21
- 239000001257 hydrogen Substances 0.000 claims description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims description 20
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine group Chemical group NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 claims description 3
- MGRVRXRGTBOSHW-UHFFFAOYSA-N (aminomethyl)phosphonic acid Chemical compound NCP(O)(O)=O MGRVRXRGTBOSHW-UHFFFAOYSA-N 0.000 claims description 2
- IYABWNGZIDDRAK-UHFFFAOYSA-N allene Chemical group C=C=C IYABWNGZIDDRAK-UHFFFAOYSA-N 0.000 claims description 2
- 125000000031 ethylamino group Chemical group [H]C([H])([H])C([H])([H])N([H])[*] 0.000 claims description 2
- JWVBOUZOBSSKEA-UHFFFAOYSA-N OC1=CC=CC=C1C(P(O)(O)=O)NC1=CC=CC=C1 Chemical compound OC1=CC=CC=C1C(P(O)(O)=O)NC1=CC=CC=C1 JWVBOUZOBSSKEA-UHFFFAOYSA-N 0.000 claims 2
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 claims 1
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 claims 1
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical group CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims 1
- 125000006325 2-propenyl amino group Chemical group [H]C([H])=C([H])C([H])([H])N([H])* 0.000 claims 1
- YAWYUSRBDMEKHZ-UHFFFAOYSA-N [2-hydroxyethyl(phosphonomethyl)amino]methylphosphonic acid Chemical compound OCCN(CP(O)(O)=O)CP(O)(O)=O YAWYUSRBDMEKHZ-UHFFFAOYSA-N 0.000 claims 1
- 125000002349 hydroxyamino group Chemical group [H]ON([H])[*] 0.000 claims 1
- 125000004888 n-propyl amino group Chemical group [H]N(*)C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 230000002195 synergetic effect Effects 0.000 abstract description 8
- 239000002253 acid Substances 0.000 description 32
- 229940116254 phosphonic acid Drugs 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 14
- 229960000819 sodium nitrite Drugs 0.000 description 14
- 239000003112 inhibitor Substances 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 125000001183 hydrocarbyl group Chemical group 0.000 description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000008262 pumice Substances 0.000 description 3
- OGBVRMYSNSKIEF-UHFFFAOYSA-N Benzylphosphonic acid Chemical compound OP(O)(=O)CC1=CC=CC=C1 OGBVRMYSNSKIEF-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 125000004464 hydroxyphenyl group Chemical group 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- PTMHPRAIXMAOOB-UHFFFAOYSA-N phosphoramidic acid Chemical class NP(O)(O)=O PTMHPRAIXMAOOB-UHFFFAOYSA-N 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- OGNVQLDIPUXYDH-ZPKKHLQPSA-N (2R,3R,4S)-3-(2-methylpropanoylamino)-4-(4-phenyltriazol-1-yl)-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid Chemical compound CC(C)C(=O)N[C@H]1[C@H]([C@H](O)[C@H](O)CO)OC(C(O)=O)=C[C@@H]1N1N=NC(C=2C=CC=CC=2)=C1 OGNVQLDIPUXYDH-ZPKKHLQPSA-N 0.000 description 1
- 101150067539 AMBP gene Proteins 0.000 description 1
- 235000003625 Acrocomia mexicana Nutrition 0.000 description 1
- 244000202285 Acrocomia mexicana Species 0.000 description 1
- 229920003319 Araldite® Polymers 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 101150106671 COMT gene Proteins 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 235000006679 Mentha X verticillata Nutrition 0.000 description 1
- 235000002899 Mentha suaveolens Nutrition 0.000 description 1
- 235000001636 Mentha x rotundifolia Nutrition 0.000 description 1
- 241000499917 Milla Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229920005439 Perspex® Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000004103 aminoalkyl group Chemical group 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 125000004181 carboxyalkyl group Chemical group 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 235000010289 potassium nitrite Nutrition 0.000 description 1
- 239000004304 potassium nitrite Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000009137 wuling Substances 0.000 description 1
Images
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
Definitions
- the present invexition relates to a synergistic cor/117051 iion for inhibiting the corrosionbf 1111:1211 suffaqgs,par-
- V divalent hydrocarbyl radical containing up to 6 carbon atoms m is Oor an integer from i to n i's tl'or 1-, when m is 0, R may be a hydroxy groupingor R and v R together with the. nitrogen atom membered' ring; when m;- is; l," the grouping RN-A -NR may form a hetercyclicring and when m is greater than 1; the constituent)! groupings may.
- the' water-soluble salts i may be the alkali metal and ammonium salts orthe salts of organic basesQfor example, the mono, and tri-ethanolamines, 'alk yl and arylamines, and guanidi'ne.
- a ergistic combination (as hereinafter defined l cornprising a combination of an inorganic nitrite and aicompound having the formula:
- R and R. may be the same or different and up to 3 carbon atoms, a phosphonic acid.
- FIG 2 is a transverse cross-section of the home usedfor the test.
- FIG. If? a longitudinal section of-theinittie intrsc during the test showing the outse -attentional contents.
- Fit'i. d is rt contracted longitudinal aecsiiihoth water" 3.
- p I I H6. is a ems-section of a water distributor with a T-piece.
- I FIG. 6 is a perspective view of the whole apparatus.
- the bottle. 10. having a volume of approximately 130 millilitres has attached to the inside 'wall by means of cement. ll, a glass chimney. 12, which is 2 inches in length and positioned so that thereisa inch gap between the bottom of the tube and the bottom of the bottle.
- FIG. 3 the bottle. 10, is shown with a mild steel test coupon. 24, suspended from the neck of the bottle by a nylon thread, 25, which is held in position round the neck by a rubber band; 26.
- a nozzle 'lo'and polythene tubing of /4 inch internal diameter is fitted over this nozzle.
- Into the copper tube are welded 30 pieces of copper tubing, 17. each of which are 2 inches long. have an internal diameter ll l6 inch and are spaced 6 inch apart to form effectively 30 T-pieces. 1 i
- the bottles. .10 are placed in a thermostatted water-bath. l8; Pushed over the ends of the '1'- pieces, 17, are lengths of polythene tubing. 19. approximately 12 to l5 inches in length and. 15 inch internal di ameter.
- a -litre water reservoir. 20. is connected to each of the bottles via the distributor. l3, and polythene tubing, 19, dipping below the surface of the liquid in eachof the bottles, ith'ihe reservoir is tightly s'toppered with a long glass tube. 21. passing through a rubber bung. 22, to the bottom of the reservoir.
- a small hole, 23, is made in the wall of the tube near the bot- In the test itself a sample of the mixture to be tested is added to a miiiilitresample of a synthetic corrosive water having the following composition Z0 grants CaSO JHzO 15 grams MgStLJPhO 4 .6 grams NaHCO;
- the bottle is utinuouely aerated by passing air. (SOtljmillilitres/rninute) through the tube, 28, screened fromjthe metal surface byfthe gins chimney, 12.
- the aeration ofthe bottle is c0ntrolled by a rotarneter calibrated-in litres per minute theme tubing. 28. with the jet 29. Water losses caused by evaporation are replenished' vvithfdeicnised water dispensed from a constant headdei/iee.
- Class I having the formula: v
- R and R m represent carboxyalkyl. or R and R together with the nitrogen atom may form a 6-membered'ring'. and the totai' number of carbon atomsfin-the groups R and R 1gether does not exceed lOI ilhe'hydrocarbyl or hydroxy substituted hydrocarbyi group may be: v a1 ailsyl. forexample methyl. ethyl. mpmpyl, 'isoprof cycloalkyl. for example cyclohexyi g. hydrcmyalieyi. for example:
- the corrosion rate is recorded as the weight loss in I
- the following particular of compoundsimay R, Rahd R may represent hydrogen, hydrocarbylor e. aliienyl. for enampleallyl, or-methallyl. crotoriyl I p
- the six-me'mhered ring may be for exampiez- Q derived from in: formula I when: "F0, R- and R" are both llydrogenf'li is a melhyleng phmplmnic acid gl'ouping and R is a hydrocarbylfor hydroxy substb acid grouping.
- R may be hydrogen or a hydroxy phenyl gxoupmg.
- R and R are th: same and arehydmgcn or mezhylcne phosphonic acidgmupinpand A is asaluratad di valent bydmcarbyl, which may helium: or branched.
- Class Vl having derived from formula I where m isa positive in'aegr,
- V An example of a compojlmd of V is e thyleh dif amine tetra(methylene phosphonic acid).
- R a hydrogen or a methylime 1 1 r 1 phosphonic acid gouph'ng and R is a methylene phosv I 4v .film wl I
- Preferred synerg'stic ob'mbinatinm are 00:11am ccmwining, a.cjampound of Class I; 2!, V opVMnhombinmim with from l m.
- the nitrite that is used may be an alkali metal nitrite, for exampie. potassium nitrite, but is pret'erabiy sodium nitrite.
- the present invention also provides an aqueous systern containing a synergistic comhination as i'rereinlve fore defined.
- a method of forming or replenishing an inhibited aqueous solution which comprises adding to the system inorganic nitrite or a compound of formula i or both in such quantities that ma aria at their additiongia o e a n hei'einbefore. defined. Conveniently, the corroeionin h an amount I".
- solutiori s were preparedeach containingfltfl) parts per millionof the mixture.
- Theaerated bottle test vas car ried out .on these soiutions., i
- the heat ex- I compound having the-"formula changer tube is cleaned with pumice. dipped. in cone. i
- the rig is assembled. and cleaned-thoroughly by cirv 1 I 4 f B culating conc. hydrochloric acid diluted lzl with .water,' x I N (Al- N P- then flushing with tap water for about half an hour 1 l 3 J (about gallons in all) and draining.
- the necessary R m R R OH .quantity of additives to produce the. desired concentrations is put into one of the reservoirs andthe rig is filled with 4.5 litres of a standardised corrosive test water, which is characterised as follows: m 40 v R and R may be the same or d fferent and each rep 522 x2212 nowadays
- I 2 as w m of Cato resents hydrogen or a hyrocarbyl or'hydroxysub Total Hardness so istituted hydrocarbyl radical containing up to 8 car- Chloride l0 p'.p.m h atoms
- Conductance 2S0 I R and R5 may bethe same or different and each repv I
- the pump is primed and started. and the heater resents hydrogen one hydrocarbyl or hydroxy subswitchedon.
- stitdted hydrocarbyl'radical containing upto 8 can The-concentration of inhibitor and the water level in bon ato ms, a cartipxy-alkylor aik oxy radicai con the ng are checked daily and any losses made good.
- I A a ndar Peflod of 0 y the eat xalkylene phosphonic acid groupingcontainin'g changer tube-isremoved.
- a m be a hydmxy grouping or R and R together with the nitrogen atom may form a six mcmbere'dwring; when m is l, the grouping RN-A-NR may form a hcterocyclic ring. and whenm is greater than l.
- thc constituent phosphonicacitl n+hexylemino ditmethylenc phonic acid 'p toluidino' -di( methylene R groupings maybe the same or different; and the water-solublesalts thereof.
- R and R may be the same or different and each represents hydrogen or alkyl, aI-J kenyl or cycloalkyl containing up to 8'carbon'atoms, R I
- R maybe the same or different and each representshydrog en or alkyl. alkenyl or cycloalkyl radical.
- R is hydrogen-or an al-: kyiene phosphonic acid' containing up to .4 carbon.
- A is an. alkylene radical containing up to 6 carbon atoms
- m is Q or an integer from 1 to 60
- n is O or 'l
- R and R may represent carboityalltyl. or R and R together with the nitrogen atom may form a 6-membere i ring, ⁇ and the total number of carbon atoms in'the groups R and R together does not exceed i0. 6.
- BJA synergistic combinatkm as claimed in claim 7 in V which me compound mmmuu ill a man mam (in methylene phmplnmic acid l, ethyl amino dit methylene m-pheny lene or pPhcnylene grouping.
- a sync fccomhi'nat'icn-as claimed in ciaim 53 wherein A, in the oor'npound of formula VL'is a methylene, ethylene, n-propylene. isopropyle'ne, n biit'ylcne.
- tlie' compotind of formula Y" is: 1 5 ZLA
- a synergistic combination as claimed in claim 1 consisting esecn'tiallyof a mixtui'c containing ethylene T- consisting essentially oi" ii mixture containing 'mediamine tetra-,(methylene phosphonic ncid) and ftom;
- a synergistic combination as claimed in claim 1 consisting essentially of a mixture containing a comt i 1 consisting essentially-oi a mixture containing hydrazine pound "of formula VIII and from 20% to 80% s otiiuinlt -tetra(methylene phosphonic acid) and from 229610 mm.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3006471A GB1392044A (en) | 1971-06-26 | 1971-06-26 | Corrosion inhibiting composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB265369I5 USB265369I5 (OSRAM) | 1975-01-28 |
| US3925245A true US3925245A (en) | 1975-12-09 |
Family
ID=10301679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US265369A Expired - Lifetime US3925245A (en) | 1971-06-26 | 1972-06-22 | Corrosion inhibiting composition containing an aminoalkyl-phosphonic acid and an inorganic nitrite |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3925245A (OSRAM) |
| JP (1) | JPS536626B1 (OSRAM) |
| CA (1) | CA976337A (OSRAM) |
| DE (1) | DE2231206C2 (OSRAM) |
| FR (1) | FR2143761B1 (OSRAM) |
| GB (1) | GB1392044A (OSRAM) |
| NL (1) | NL7208694A (OSRAM) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4048374A (en) * | 1973-09-01 | 1977-09-13 | Dynamit Nobel Aktiengesellschaft | Functional organophosphonic acid esters as preservative adhesion promoting agents and coating for metals |
| US4073744A (en) * | 1977-01-03 | 1978-02-14 | Surpass Chemicals Limited | Nitrite based rust inhibitor complex |
| US4148858A (en) * | 1976-05-15 | 1979-04-10 | Hoechst Aktiengesellschaft | Process for the protection against corrosion of cast iron boilers |
| US4402907A (en) * | 1980-08-13 | 1983-09-06 | Ciba-Geigy Corporation | Triazine carboxylic acids as corrosion inhibitors for aqueous systems |
| US4501667A (en) * | 1983-03-03 | 1985-02-26 | Ciba-Geigy Corporation | Process of inhibiting corrosion of metal surfaces and/or deposition of scale thereon |
| US4557896A (en) * | 1980-09-25 | 1985-12-10 | Dearborn Chemicals Limited | Treatment of aqueous systems |
| US4798675A (en) * | 1987-10-19 | 1989-01-17 | The Mogul Corporation | Corrosion inhibiting compositions containing carboxylated phosphonic acids and sequestrants |
| US5019343A (en) * | 1989-12-15 | 1991-05-28 | W. R. Grace & Co.-Conn. | Control of corrosion in aqueous systems using certain phosphonomethyl amines |
| WO1999006325A1 (en) * | 1997-07-29 | 1999-02-11 | Buckman Laboratories International, Inc. | Methods and compositions for controlling biofouling using amino methyl phosphonic acids |
| US5980619A (en) * | 1996-02-12 | 1999-11-09 | Ciba Specialty Chemicals Corporation | Corrosion-inhibiting coating composition for metals |
| RU2164552C2 (ru) * | 1996-04-12 | 2001-03-27 | Циба Спешиалти Кемикалс Холдинг Инк. | Ингибирующая коррозию композиция для покрытий, способ ее получения и производные аминофосфоновых и аминофосфористых кислот и их соли |
| WO2001079215A1 (en) * | 2000-04-18 | 2001-10-25 | Dow Global Technologies Inc. | N?α, Nφ¿-DIALKYL AMINOMETHYLENEPHOSPHONIC ACIDS AND USE THEREOF |
| US6527983B1 (en) * | 1990-10-04 | 2003-03-04 | Solutia Europe Nv/Sa | Method for inhibiting scale formation |
| US20030216275A1 (en) * | 2001-04-18 | 2003-11-20 | Crump Druce K | Nª,n -dialkyl aminomethylenephosphonic acids and use thereof |
| US20050171376A1 (en) * | 2002-07-31 | 2005-08-04 | Giovanni Bozzetto S.P.A. | Polyaminomethylenephos phonate derivatives |
| US20070106030A1 (en) * | 2003-11-24 | 2007-05-10 | Rhodia Uk Ltd | Novel dendritic polymers having biphosphonic terminations, derivatives thereof, method for preparing them, and their use |
| CN100486982C (zh) * | 2001-11-02 | 2009-05-13 | 中国人民解放军军事医学科学院毒物药物研究所 | 具有预防和治疗血栓性疾病功能的化合物,含它们的药物组合物和它们的医药用途 |
| CN100486981C (zh) * | 2001-11-02 | 2009-05-13 | 中国人民解放军军事医学科学院毒物药物研究所 | 具有预防和治疗动脉粥样硬化功能的化合物及其在生物医药学中的应用 |
| CN106958143A (zh) * | 2017-04-06 | 2017-07-18 | 天津工业大学 | 一种阻燃整理剂的制备方法及其阻燃的Lyocell纤维织物 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033896A (en) * | 1976-06-18 | 1977-07-05 | Monsanto Company | Method of corrosion inhibition and compositions therefor |
| US4427459A (en) * | 1982-01-25 | 1984-01-24 | Pennwalt Corporation | Phosphate conversion coatings for metals with reduced coating weights and crystal sizes |
| GB2118159B (en) * | 1982-04-20 | 1985-09-04 | Dearborn Chemicals Ltd | The treatment of aqueous systems |
| DE3433946A1 (de) * | 1984-09-15 | 1986-03-27 | Boehringer Mannheim Gmbh, 6800 Mannheim | Mittel und verfahren zum nachweis von wasserstoffperoxid |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2351465A (en) * | 1940-03-09 | 1944-06-13 | Shell Dev | Internal corrosion prevention in ferrous metal containers for light liquid petroleum distillates |
| US3425954A (en) * | 1966-01-24 | 1969-02-04 | Cromwell Paper Co | Four component multipurpose corrosion inhibitor |
| US3433577A (en) * | 1964-08-19 | 1969-03-18 | Owens Illinois Inc | Vapor phase corrosion inhibition |
| US3483133A (en) * | 1967-08-25 | 1969-12-09 | Calgon C0Rp | Method of inhibiting corrosion with aminomethylphosphonic acid compositions |
| US3532639A (en) * | 1968-03-04 | 1970-10-06 | Calgon C0Rp | Corrosion inhibiting with combinations of zinc salts,and derivatives of methanol phosphonic acid |
| US3668138A (en) * | 1970-11-27 | 1972-06-06 | Calgon Corp | Method of inhibiting corrosion with amino diphosphonates |
| US3720498A (en) * | 1968-10-17 | 1973-03-13 | Petrolite Corp | Inhibiting corrosion with nitrogenheterocyclic phosphonic acids |
| US3723347A (en) * | 1972-05-17 | 1973-03-27 | Monsanto Co | Corrosion inhibition compositions containing substituted diamine phosphonates and processes for using the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1767454C2 (de) * | 1968-05-11 | 1983-01-27 | Henkel KGaA, 4000 Düsseldorf | Verfahren zum Korrosions- und Versteinungsschutz in Warm- und Heißwassersystemen |
-
1971
- 1971-06-26 GB GB3006471A patent/GB1392044A/en not_active Expired
-
1972
- 1972-06-22 US US265369A patent/US3925245A/en not_active Expired - Lifetime
- 1972-06-23 CA CA145,507A patent/CA976337A/en not_active Expired
- 1972-06-23 NL NL7208694A patent/NL7208694A/xx not_active Application Discontinuation
- 1972-06-26 JP JP6396772A patent/JPS536626B1/ja active Pending
- 1972-06-26 FR FR7223042A patent/FR2143761B1/fr not_active Expired
- 1972-06-26 DE DE2231206A patent/DE2231206C2/de not_active Expired
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2351465A (en) * | 1940-03-09 | 1944-06-13 | Shell Dev | Internal corrosion prevention in ferrous metal containers for light liquid petroleum distillates |
| US3433577A (en) * | 1964-08-19 | 1969-03-18 | Owens Illinois Inc | Vapor phase corrosion inhibition |
| US3425954A (en) * | 1966-01-24 | 1969-02-04 | Cromwell Paper Co | Four component multipurpose corrosion inhibitor |
| US3483133A (en) * | 1967-08-25 | 1969-12-09 | Calgon C0Rp | Method of inhibiting corrosion with aminomethylphosphonic acid compositions |
| US3532639A (en) * | 1968-03-04 | 1970-10-06 | Calgon C0Rp | Corrosion inhibiting with combinations of zinc salts,and derivatives of methanol phosphonic acid |
| US3720498A (en) * | 1968-10-17 | 1973-03-13 | Petrolite Corp | Inhibiting corrosion with nitrogenheterocyclic phosphonic acids |
| US3668138A (en) * | 1970-11-27 | 1972-06-06 | Calgon Corp | Method of inhibiting corrosion with amino diphosphonates |
| US3723347A (en) * | 1972-05-17 | 1973-03-27 | Monsanto Co | Corrosion inhibition compositions containing substituted diamine phosphonates and processes for using the same |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4048374A (en) * | 1973-09-01 | 1977-09-13 | Dynamit Nobel Aktiengesellschaft | Functional organophosphonic acid esters as preservative adhesion promoting agents and coating for metals |
| US4148858A (en) * | 1976-05-15 | 1979-04-10 | Hoechst Aktiengesellschaft | Process for the protection against corrosion of cast iron boilers |
| US4073744A (en) * | 1977-01-03 | 1978-02-14 | Surpass Chemicals Limited | Nitrite based rust inhibitor complex |
| US4402907A (en) * | 1980-08-13 | 1983-09-06 | Ciba-Geigy Corporation | Triazine carboxylic acids as corrosion inhibitors for aqueous systems |
| US4557896A (en) * | 1980-09-25 | 1985-12-10 | Dearborn Chemicals Limited | Treatment of aqueous systems |
| US4501667A (en) * | 1983-03-03 | 1985-02-26 | Ciba-Geigy Corporation | Process of inhibiting corrosion of metal surfaces and/or deposition of scale thereon |
| US4798675A (en) * | 1987-10-19 | 1989-01-17 | The Mogul Corporation | Corrosion inhibiting compositions containing carboxylated phosphonic acids and sequestrants |
| US5019343A (en) * | 1989-12-15 | 1991-05-28 | W. R. Grace & Co.-Conn. | Control of corrosion in aqueous systems using certain phosphonomethyl amines |
| US6527983B1 (en) * | 1990-10-04 | 2003-03-04 | Solutia Europe Nv/Sa | Method for inhibiting scale formation |
| US6160164A (en) * | 1996-02-12 | 2000-12-12 | Ciba Specialty Chemicals Corporation | Corrosion-inhibiting coating composition for metals |
| US5980619A (en) * | 1996-02-12 | 1999-11-09 | Ciba Specialty Chemicals Corporation | Corrosion-inhibiting coating composition for metals |
| AU714558B2 (en) * | 1996-02-12 | 2000-01-06 | Ciba Specialty Chemicals Holding Inc. | Corrosion-inhibiting coating composition for metals |
| CN1083470C (zh) * | 1996-02-12 | 2002-04-24 | 希巴特殊化学控股公司 | 用于金属的耐腐蚀涂料组合物 |
| US6403826B1 (en) | 1996-02-12 | 2002-06-11 | Ciba Specialty Chemicals Corporation | Corrosion-inhibiting coating composition for metals |
| RU2164552C2 (ru) * | 1996-04-12 | 2001-03-27 | Циба Спешиалти Кемикалс Холдинг Инк. | Ингибирующая коррозию композиция для покрытий, способ ее получения и производные аминофосфоновых и аминофосфористых кислот и их соли |
| US5888405A (en) * | 1997-07-29 | 1999-03-30 | Buckman Laboratories International Inc. | Methods for controlling biofouling using amino methyl phosphonic acids |
| WO1999006325A1 (en) * | 1997-07-29 | 1999-02-11 | Buckman Laboratories International, Inc. | Methods and compositions for controlling biofouling using amino methyl phosphonic acids |
| AU756575B2 (en) * | 1997-07-29 | 2003-01-16 | Buckman Laboratories International, Inc. | Methods and compositions for controlling biofouling using amino methyl phosphonic acids |
| WO2001079215A1 (en) * | 2000-04-18 | 2001-10-25 | Dow Global Technologies Inc. | N?α, Nφ¿-DIALKYL AMINOMETHYLENEPHOSPHONIC ACIDS AND USE THEREOF |
| US20030216275A1 (en) * | 2001-04-18 | 2003-11-20 | Crump Druce K | Nª,n -dialkyl aminomethylenephosphonic acids and use thereof |
| CN100486982C (zh) * | 2001-11-02 | 2009-05-13 | 中国人民解放军军事医学科学院毒物药物研究所 | 具有预防和治疗血栓性疾病功能的化合物,含它们的药物组合物和它们的医药用途 |
| CN100486981C (zh) * | 2001-11-02 | 2009-05-13 | 中国人民解放军军事医学科学院毒物药物研究所 | 具有预防和治疗动脉粥样硬化功能的化合物及其在生物医药学中的应用 |
| US20050171376A1 (en) * | 2002-07-31 | 2005-08-04 | Giovanni Bozzetto S.P.A. | Polyaminomethylenephos phonate derivatives |
| US7087781B2 (en) | 2002-07-31 | 2006-08-08 | Giovanni Bozzetto S.P.A. | Polyaminomethylenephos phonate derivatives |
| US20070106030A1 (en) * | 2003-11-24 | 2007-05-10 | Rhodia Uk Ltd | Novel dendritic polymers having biphosphonic terminations, derivatives thereof, method for preparing them, and their use |
| US7838625B2 (en) * | 2003-11-24 | 2010-11-23 | Rhodia Uk Ltd. | Dendritic polymers having biphosphonic terminations, derivatives thereof, method for preparing them, and their use |
| CN1902264B (zh) * | 2003-11-24 | 2012-07-04 | 罗狄亚英国有限公司 | 具有二膦酸末端的新型树枝状聚合物,它们的衍生物,制备它们的方法,以及它们的用途 |
| CN106958143A (zh) * | 2017-04-06 | 2017-07-18 | 天津工业大学 | 一种阻燃整理剂的制备方法及其阻燃的Lyocell纤维织物 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS536626B1 (OSRAM) | 1978-03-09 |
| NL7208694A (OSRAM) | 1972-12-28 |
| USB265369I5 (OSRAM) | 1975-01-28 |
| FR2143761B1 (OSRAM) | 1980-04-18 |
| GB1392044A (en) | 1975-04-23 |
| DE2231206C2 (de) | 1986-07-24 |
| AU4378572A (en) | 1974-01-03 |
| CA976337A (en) | 1975-10-21 |
| DE2231206A1 (de) | 1972-12-28 |
| FR2143761A1 (OSRAM) | 1973-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: FMC CORPORATION, A CORP. OF DE, PENNSYLVANIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:CIBA-GEIGY CORPORATION, A NEW YORK CORP.;REEL/FRAME:006139/0580 Effective date: 19920415 |