CA1107156A - Methode de decapage des surfaces a revetement organique - Google Patents
Methode de decapage des surfaces a revetement organiqueInfo
- Publication number
- CA1107156A CA1107156A CA319,462A CA319462A CA1107156A CA 1107156 A CA1107156 A CA 1107156A CA 319462 A CA319462 A CA 319462A CA 1107156 A CA1107156 A CA 1107156A
- Authority
- CA
- Canada
- Prior art keywords
- stripping
- stripping composition
- composition
- zone
- gas phase
- 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
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 135
- 238000000034 method Methods 0.000 title claims abstract description 104
- 230000008569 process Effects 0.000 title claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 147
- 239000011248 coating agent Substances 0.000 claims abstract description 103
- 239000003973 paint Substances 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000003921 oil Substances 0.000 claims abstract description 18
- 239000012298 atmosphere Substances 0.000 claims abstract description 12
- 239000010779 crude oil Substances 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 147
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000010426 asphalt Substances 0.000 claims description 19
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 claims description 18
- 239000004593 Epoxy Substances 0.000 claims description 17
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 9
- 150000001348 alkyl chlorides Chemical class 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 7
- 238000004821 distillation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003209 petroleum derivative Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003208 petroleum Substances 0.000 claims description 4
- 239000011253 protective coating Substances 0.000 claims description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 3
- 150000003973 alkyl amines Chemical class 0.000 claims description 3
- 150000005215 alkyl ethers Chemical class 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 150000001555 benzenes Chemical class 0.000 claims description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000010802 sludge Substances 0.000 claims description 2
- 238000005292 vacuum distillation Methods 0.000 claims description 2
- -1 alkyl nitrile Chemical class 0.000 claims 6
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 4
- 125000005907 alkyl ester group Chemical group 0.000 claims 2
- 125000005843 halogen group Chemical group 0.000 claims 2
- 239000010763 heavy fuel oil Substances 0.000 claims 2
- 150000002390 heteroarenes Chemical class 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims 1
- 230000003134 recirculating effect Effects 0.000 claims 1
- 235000013311 vegetables Nutrition 0.000 claims 1
- 239000002966 varnish Substances 0.000 abstract description 6
- 229920001800 Shellac Polymers 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 4
- 239000004208 shellac Substances 0.000 abstract description 4
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 abstract description 4
- 229940113147 shellac Drugs 0.000 abstract description 4
- 235000013874 shellac Nutrition 0.000 abstract description 4
- 229940073584 methylene chloride Drugs 0.000 description 44
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 34
- 239000007789 gas Substances 0.000 description 27
- 239000000126 substance Substances 0.000 description 25
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 17
- 235000019253 formic acid Nutrition 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 239000002184 metal Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 15
- 235000019198 oils Nutrition 0.000 description 15
- 239000000758 substrate Substances 0.000 description 15
- 238000002474 experimental method Methods 0.000 description 13
- 229910001361 White metal Inorganic materials 0.000 description 10
- 239000012808 vapor phase Substances 0.000 description 10
- 239000010969 white metal Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 229920006334 epoxy coating Polymers 0.000 description 9
- 238000005270 abrasive blasting Methods 0.000 description 8
- 238000005422 blasting Methods 0.000 description 8
- 238000004809 thin layer chromatography Methods 0.000 description 8
- 239000008246 gaseous mixture Substances 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229920000180 alkyd Polymers 0.000 description 6
- 150000004982 aromatic amines Chemical class 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000002023 wood Substances 0.000 description 6
- 239000012634 fragment Substances 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 239000002987 primer (paints) Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000011269 tar Substances 0.000 description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 description 4
- 239000008158 vegetable oil Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000032798 delamination Effects 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 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
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000003981 vehicle Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- 241001120493 Arene Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241000555745 Sciuridae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 101150014174 calm gene Proteins 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000002385 cottonseed oil Substances 0.000 description 1
- PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 description 1
- DEZRYPDIMOWBDS-UHFFFAOYSA-N dcm dichloromethane Chemical compound ClCCl.ClCCl DEZRYPDIMOWBDS-UHFFFAOYSA-N 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- GPFHRLLWVCEBRS-UHFFFAOYSA-N dichloromethane;formic acid Chemical compound OC=O.ClCCl GPFHRLLWVCEBRS-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003049 inorganic solvent Substances 0.000 description 1
- 229910001867 inorganic solvent Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000004658 ketimines Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000010747 number 6 fuel oil Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- TURAMGVWNUTQKH-UHFFFAOYSA-N propa-1,2-dien-1-one Chemical compound C=C=C=O TURAMGVWNUTQKH-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/870,103 US4231804A (en) | 1978-01-17 | 1978-01-17 | Vapor stripping method |
| US870,103 | 1978-01-17 | ||
| US1,053 | 1979-01-04 | ||
| US06/001,053 US4231805A (en) | 1979-01-04 | 1979-01-04 | Vapor stripping process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1107156A true CA1107156A (fr) | 1981-08-18 |
Family
ID=26668485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA319,462A Expired CA1107156A (fr) | 1978-01-17 | 1979-01-11 | Methode de decapage des surfaces a revetement organique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1107156A (fr) |
-
1979
- 1979-01-11 CA CA319,462A patent/CA1107156A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |