NO20160609A1 - A scent releasing corrosion or corrosive environment indicating coating system, a metal structure with the system and a method for detecting corrosion - Google Patents
A scent releasing corrosion or corrosive environment indicating coating system, a metal structure with the system and a method for detecting corrosion Download PDFInfo
- Publication number
- NO20160609A1 NO20160609A1 NO20160609A NO20160609A NO20160609A1 NO 20160609 A1 NO20160609 A1 NO 20160609A1 NO 20160609 A NO20160609 A NO 20160609A NO 20160609 A NO20160609 A NO 20160609A NO 20160609 A1 NO20160609 A1 NO 20160609A1
- Authority
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- Norway
- Prior art keywords
- scent
- corrosion
- corrosive environment
- coating system
- metal structure
- Prior art date
Links
- 238000005260 corrosion Methods 0.000 claims description 48
- 230000007797 corrosion Effects 0.000 claims description 48
- 239000000126 substance Substances 0.000 claims description 45
- 238000000576 coating method Methods 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 239000011230 binding agent Substances 0.000 claims description 14
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 10
- 239000011325 microbead Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000002401 inhibitory effect Effects 0.000 claims description 6
- CGXFALGVCXKYEY-UHFFFAOYSA-N 1,2-dichlorotetradecane Chemical compound CCCCCCCCCCCCC(Cl)CCl CGXFALGVCXKYEY-UHFFFAOYSA-N 0.000 claims description 5
- RNHWYOLIEJIAMV-UHFFFAOYSA-N 1-chlorotetradecane Chemical compound CCCCCCCCCCCCCCCl RNHWYOLIEJIAMV-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- FEBCMJRMESQQMH-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorohexadecane Chemical compound CCCCCCCCCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F FEBCMJRMESQQMH-UHFFFAOYSA-N 0.000 claims description 4
- BREOHRVZEZMFOB-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoroicosane Chemical compound CCCCCCCCCCCCCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F BREOHRVZEZMFOB-UHFFFAOYSA-N 0.000 claims description 4
- SSVQUYHNTDJHGP-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorooctadecane Chemical compound CCCCCCCCCCCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SSVQUYHNTDJHGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 241000282472 Canis lupus familiaris Species 0.000 description 11
- 239000000700 radioactive tracer Substances 0.000 description 6
- 239000013543 active substance Substances 0.000 description 4
- 239000003094 microcapsule Substances 0.000 description 4
- 239000011859 microparticle Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 235000017168 chlorine Nutrition 0.000 description 2
- 125000001309 chloro group Chemical class Cl* 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002557 mineral fiber Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- CKIFXJXKYOEESC-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,18-octatriacontafluorooctadecane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CKIFXJXKYOEESC-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000925 very toxic Toxicity 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
The present invention relates to a coating system such as a primer for monitoring the occurrence of specific substances, in particular corrosion or corrosion products or corrosive substances. The coating system of the invention releases a specific scent upon contact with the above suggested substances.
Corrosion protection and monitoring is an important labor and cost intensive task frequently performed on all sorts of mechanical structures. Offshore structures are particularly exposed to corrosive environments, and failures of such structures are potentially catastrophic.
From WO2013009873 it is known methods to produce pH-sensitive microparticles that have an active agent dispersed in a polymer matrix have certain advantages over microcapsules with an active agent encapsulated in an interior compartment/core inside of a polymer wall. WO2013009873 relates to pH-sensitive microparticles that have a corrosion-detecting or corrosion-inhibiting active agent or active agents dispersed within a polymer matrix of the microparticles. The pH-sensitive microparticles can be used in various coating compositions on metal objects for corrosion detecting and/or inhibiting. The corrosion indicators can be color or fluorescence indicators, which indicate corrosion through color change or change of their fluorescent properties. The corrosion indicators can be chosen to detect pH or ion concentration changes as a result of the corrosion process.
Pipes, process equipment and other components on offshore or onshore structures are often covered with insulating materials, cladding or are of other reasons impossible to inspect visually without removing the covering with the possible consequence of taking the structure out of service. Visual inspection through small openings in the cover will not provide a reliable indication for an entire structure. An insulated pipe system used in connection with production of hydrocarbons is a typical system that can be monitored according to the present invention.
It is the purpose of the present invention to provide a coating system and a method involving said coating system for detecting corrosion or a potentially corrosion inducing situation at the onset, before the corrosion has become a major problem.
Furthermore it is an object of the present invention to monitor or indicate corrosion on structures that are difficult to inspect. Such structures will typically include insulated or otherwise covered structures that not easily can be monitored by visual inspection without substantial disassembly, downtime of components, restructure work etc.
Furthermore it is an object of the invention to monitor or indicate corrosion on structures without the use of electricity, wired systems, or visual detection through optical sensors or direct visual inspection.
It is known to use trained dogs to smell and indicate the occurrence of specific substances, and dogs have been trained to smell rust. It is however easier for a dog to smell substances or tracers with a specific scent that can be used for a plurality of purposes, for instance for scented explosives. The present invention could provide a coating system that will allow dogs trained for indicating specific substances to also indicate the occurrence of corrosion, corrosion products or corrosive substances. It is also a purpose of the present invention to facilitate the indication for the dog or a detector and to reduce the risk of false detection. Indicating the scent of rust or other types of corrosion directly may also create difficulties if for some reason steel or other metal parts inadvertently have been included inside a covered structure.
It is a purpose of the present invention to provide a method of indicating the integrity or sealing ability of a corrosion inhibiting top coat preventing the coating system of the invention from being exposed to liquids such as water, in particular saline water.
Accordingly, the present invention relates to a coating system for application directly onto a metal surface, or for application onto a different coating. The coating system should also allow a top coat to be applied on top of the coating system. Accordingly, the coating system of the invention includes a scent substance or tracer that releases a scent/smell/odour upon contact with the substance to be indicated and a binder that will set after application of the coating system on an object to be monitored. The coating system in itself may have corrosion inhibiting properties.
The substance to be indicated may include pure water, saline water, Fe(aq), an alkaline solution etc.
The scent substance or tracer may be enclosed in micro capsules or microcapsules with a shell that dissolves upon contact with the substance to be indicated. WO2013009873 discloses such microcapsules. Alternatively, may the substance to be indicated initiate a chemical reaction with the scent substance that produces the scent.
The scent substance or tracer could satisfy several requirements:
A dog or instruments should be able to detect it;
It should be of medium volatility as it will disappear to quickly if it is too volatile unless it can be released gradually, and as it not easily can be detected if it not is volatile enough;
It could be a-polar, so it does not have the tendency to stick to the insulation material or anything else while still being possible to collect air samples;
It could be different from theChemicals produced or handled in the environment of the structure typically in oil and gas plants to prevent contamination issues;
It should remain stable, not react to otherChemicals, water, heat, and other environmental factors on oil and gas plants/platforms, so that the instrument/dog has a fair chance of detecting it.
According to the present invention
AppropriateChemicals should fulfill the following demands:
1) Do not occur in nature or in crude oil and gas processing
2) Have very little water solubility
3) Are semivolatile (saturated vapor pressure roughly in the range of 0.01 to 0.1 Pa)
4) Are stable against any kind of reaction up to 150° C
5) Are ideally already in commercial use and have gone through the process of registration under the EU chemical legislation (REACH) and are affordable.
The conditions 1, 2, and 4 can be met by chlorinated and/or fluorinated hydrocarbons. Chlorinated and fluorinated aromaticChemicals are not further considered here, because they tend to be very toxic. This leaves chlorinated and fluorinated alkanes. The desired saturated vapor pressure can be achieved by selecting an appropriate chain length and degree of halogenation.
Chemicals with iodine or bromine have not been considered because organicChemicals with these halogens can occur naturally in an ocean-environment.
Specific embodiments for use with the invention:
Chlorinated alkanes:
1-chlorotetradecane ( CAS 2425-54-9) C14H29CI, estimated water solubility of 0.01 mg/L and estimated vapor pressure of 0.09 Pa; both values at 25°C, this chemical is a liquid at room temperature.
1,2-dichlorotetradecane (CAS 701920-83-4) C14H28CI2, estimated water solubility of 0.005 mg/L and estimated vapor pressure of 0.04 Pa; both values at 25°C, this chemical is a solid at room temperature.
BothChemicals are available. BothChemicals are toxic to a certain extent.
In general, all alkanes with 13 to 15 carbon atoms and one or two chlorines in any position should fulfill the requirements 1, 2, 3 and 4. Chlorinated alkanes with less carbon atoms and more chlorines than those named here would also fulfill requirements 1-4. Not all of theseChemicals can be listed here because their number is huge.
FluorinatedChemicals:
(The followingChemicals ( and other representatives of the same family) are used in Ski-Wax. In total they make up up to 15 % of a typical wax.)
The estimated water solubility of theseChemicals range from 0.002 mg/L for 1-perfluorohexyloctane to 0.0000001 mg/L for 1-perfluorohexyltetradecane and the estimated vapor pressure ranges from 1 Pa for 1-perfluorohexyloctane to 0.1 Pa for 1-perfluorohexyldecaneane, to 0.01 Pa for perfluorohexyldodecane to 0.001 Pa for 1-perfluorohexyltetradecane.
1-perfluorohexyloctane is likely to be too volatile for the desired purpose but the other three chemical fulfill the requirements in an almost perfect way. TheseChemicals are less toxic than the chlorinatedChemicals and they will sorb to a much lesser extend to the mineral fibers that are used as insulation material.
In an embodiment of the invention it is suggested to use a mixture of 1 -(perfluoro-n-hexyl)decane, 1-(perfluoro-n-hexyl)-dodecane, and 1-(perfluoro-n-hexyl)tetradecane. TheseChemicals are extremely stable, have an extremely low water solubility, are likely non-toxic, have the smallest sorption to mineral fibers compared to otherChemicals of similar vapor pressure and water solubility and are in commercial use. If the volatility of the suggestedChemicals not are in a suitable range for the detection by dogs or instrumental analysis then analogueChemicals of the same dass with either longer or shorter alkyl chain length should be selected.
A dog may indicate on the structure to be detected directly, or may be indicating on smell /scent samples tåken from the structure. The smell/scent sample may include a liquid sample wiped or otherwise collected from the structure. The sample may alternatively include a pad håving received air or gas blown over the structure. (typically hot air).
Alternatively, may the scent or tracer be detected by suitable detectors, and the scent substance may be particularly designed for being detected by such a detector.
In the following description is "smell developing material" meant to indicate the material that is added into the coating system, and "smell substance" or "tracer" is intended to mean the actual substance the dog or sensor reacts to. The scent developing material may for instance include micro beads and the scent substance is then the material inside the beads. The scent developing material may alternatively be a substance reacting chemically with for instance water or water with Fe lons and the product of the chemical reaction is then the scent substance. Accordingly, the present invention includes a corrosive environment indicating coating system comprising a curing or setting binder or matrix and a corrosive environment or corrosion indicating, scent developing material. The corrosion indicating scent developing material is a material developing or releasing a scent substance upon exposure to the corrosive environment, upon exposure to corrosion or to a corrosion indicating fluid. The scent substance may be considered as a tracer. The corrosion indicating scent developing material is dispersed in/mixed with said curing or setting binder.
The coating system may further include a corrosion inhibiting composition.
The binder may be an epoxy resin binder.
The corrosive environment or corrosion indicating scent developing material may be contained in micro beads with micro bead walls, suspended in the binder. The micro bead walls rupture upon contact with the corrosive environment or the corrosion indicating liquid.
The scent substance may include at least one halogenated compound.
The at least one halogenated compound may include one of chlorinated alkanes and fluorinatedChemicals or a combination thereof.
The chlorinated alkanes may include include 1-chlorotetradecane or 1,2-dichlorotetradecane, or a combination thereof.
The fluorinatedChemicals may be selected from the group 1-(perfluoro-n-hexyl)decane, 1-(perfluoro-n-hexyl)-dodecane, and 1-(perfluoro-n-hexyl)tetradecane.
The corrosive environment or corrosion indicating fluid sensitive scent developing material may be a material reacting chemically with the corrosive environment or the corrosion indicating fluid to produce the scent substance.
The invention furthermore relates to a metal structure including corrosion or a corrosive environment indicating coating system comprising a curing or setting binder or matrix, and a corrosion or corrosive environment indicating scent developing material, developing or releasing the scent substance upon exposure to the corrosive environment or corrosion indicating fluid applied directly onto a metal surface of the metal structure.
The scent substance may be one of the scent substances mentioned above.
A layer of sealing paint may be applied to the layer of the corrosive environment indicating coating system.
Furthermore, the invention relates to a method for detecting or controlling the presence of corrosion on a metal structure. The method includes applying at least a corrosive environment indicating coating system as defined above onto the metal structure, coating and covering the metal structure with required covering elements, exposing the coated and covered metal structure to a corrosive environment, providing scent samples from the coated and covered structure, installing the scent samples in a scent sample rack, and exposing the scent samples to a trained dog or a sniffing sensor.
The required elements covering the metal structure will typically include various corrosion preventing paints, insulating materials and metal cladding structures. The scent developing material could also develop a scent substance upon contact with bare metal such as bare steel.
Coatings with different scent substances can be utilized to separate different areas of a structure. For instance can a specific scent substance be used for particularly critical components whereas a different scent substance is used on less critical components. Similarly, different coatings can be used on top of each other to indicate the thickness of a coating or if a coating layer is worn away.
Claims (15)
1. A corrosion or corrosive environment indicating coating system comprising a curing or setting binder or matrix; and
a corrosive environment or corrosion indicating scent releasing material, developing or releasing a scent substance upon exposure to said corrosion, corrosion indicating fluid or corrosive environment, dispersed in said curing or setting binder or matrix.
2. The coating system of claim 1, further including a corrosion inhibiting composition.
3. The coating system of claim 1 or 2, wherein the binder is an epoxy resin binder.
4. The coating system of any of the preceding claims wherein the corrosive environment or corrosion indicating scent developing material includes scent substance filled micro beads with micro bead walls, suspended in said binder, and whereupon said micro bead walls rupture upon contact with said corrosive environment or corrosion indicating fluid, releasing said scent substance.
5. The coating system of any of the preceding claims wherein the scent substance includes at least one halogenated compound.
6. The coating system claim 5 wherein the at least one halogenated compound includes one of chlorinated alkanes and fluorinatedChemicals or a combination thereof.
7. The coating system of claim 5, wherein the chlorinated alkanes include 1-chlorotetradecane or 1,2-dichlorotetradecane, or a combination thereof.
8. The coating system of claim 5, wherein the fluorinatedChemicals are selected from the group 1-(perfluoro-n-hexyl)decane, 1-(perfluoro-n-hexyl)-dodecane, and 1-(perfluoro-n-hexyl)tetradecane.
9. The coating system of one of claims 1-4 wherein the corrosive environment or corrosion indicating fluid sensitive scent developing material is a substance reacting chemically with said corrosive environment or corrosion indicating liquid to produce the scent substance.
10. A metal structure including a corrosive environment indicating coating system comprising a curing or setting binder or matrix, and a corrosive environment or corrosion indicating fluid sensitive scent material, developing or releasing a scent substance upon exposure to said corrosive environment or corrosion, applied onto a metal surface of the metal structure; and
a layer of sealing paint applied to said layer of corrosive environment indicating coating system.
wherein the corrosive environment or corrosion indicating scent developing material includes scent substance filled micro beads with micro bead walls, suspended in said binder, and whereupon said micro bead walls rupture upon contact with said corrosive environment or corrosion indicating fluid, releasing said scent substance.
11. A metal structure of claim 10, wherein the scent substance includes at least one halogenated compound.
12. A metal structure of claim 11 wherein the at least one halogenated compound includes one of chlorinated alkanes and fluorinatedChemicals or a combination thereof.
13. A metal structure of claim 12, wherein the chlorinated alkanes include 1-chlorotetradecane or 1,2-dichlorotetradecane, or a combination thereof.
14. A metal structure of claim 12, wherein the fluorinatedChemicals are selected from the group 1-(perfluoro-n-hexyl)decane, 1-(perfluoro-n-hexyl)-dodecane, and 1 -(perfluoro-n-hexyl)tetradecane.,
15. A method for detecting the presence of corrosion on a metal structure including applying at least a corrosive environment indicating coating system of any of claims 1-3 onto the metal structure;
covering the metal structure with covering elements;
exposing the coated and covered metal structure to a corrosive environment; providing scent samples from the coated and covered structure;
installing the scent samples in a scent sample rack; and
exposing said scent samples to a trained dog or a sniffing sensor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20160609A NO20160609A1 (en) | 2016-04-13 | 2016-04-13 | A scent releasing corrosion or corrosive environment indicating coating system, a metal structure with the system and a method for detecting corrosion |
| PCT/NO2017/050084 WO2017179990A1 (en) | 2016-04-13 | 2017-04-07 | A scent releasing corrosion or corrosive environment indicating coating system, a metal structure with the system and a method for detecting corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20160609A NO20160609A1 (en) | 2016-04-13 | 2016-04-13 | A scent releasing corrosion or corrosive environment indicating coating system, a metal structure with the system and a method for detecting corrosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO20160609A1 true NO20160609A1 (en) | 2017-10-16 |
Family
ID=60042611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20160609A NO20160609A1 (en) | 2016-04-13 | 2016-04-13 | A scent releasing corrosion or corrosive environment indicating coating system, a metal structure with the system and a method for detecting corrosion |
Country Status (2)
| Country | Link |
|---|---|
| NO (1) | NO20160609A1 (en) |
| WO (1) | WO2017179990A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2020363C1 (en) * | 1991-06-20 | 1994-09-30 | Войсковая Часть 25840 | Pipe line |
| US5473643A (en) * | 1994-08-19 | 1995-12-05 | Westinghouse Idaho Nuclear Company | Corrosion testing using isotopes |
| US20020060080A1 (en) * | 2000-09-19 | 2002-05-23 | Pliner David S. | Fire protection pipe and methods of manufacture |
| US20100000013A1 (en) * | 2008-07-01 | 2010-01-07 | Williams David W | Toilet leak alert |
| WO2013009873A2 (en) * | 2011-07-11 | 2013-01-17 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ph-sensitive microparticles with matrix-dispersed active agent |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1854850B1 (en) * | 2006-05-09 | 2009-08-12 | Cognis IP Management GmbH | Use of microcapsules for making paints and lacquers |
| US8623653B2 (en) * | 2008-04-09 | 2014-01-07 | Battelle Memorial Institute | Terahertz corrosion detection method |
-
2016
- 2016-04-13 NO NO20160609A patent/NO20160609A1/en not_active Application Discontinuation
-
2017
- 2017-04-07 WO PCT/NO2017/050084 patent/WO2017179990A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2020363C1 (en) * | 1991-06-20 | 1994-09-30 | Войсковая Часть 25840 | Pipe line |
| US5473643A (en) * | 1994-08-19 | 1995-12-05 | Westinghouse Idaho Nuclear Company | Corrosion testing using isotopes |
| US20020060080A1 (en) * | 2000-09-19 | 2002-05-23 | Pliner David S. | Fire protection pipe and methods of manufacture |
| US20100000013A1 (en) * | 2008-07-01 | 2010-01-07 | Williams David W | Toilet leak alert |
| WO2013009873A2 (en) * | 2011-07-11 | 2013-01-17 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ph-sensitive microparticles with matrix-dispersed active agent |
Non-Patent Citations (1)
| Title |
|---|
| Schoon, A. et al: "Using dogs to detect hidden corrosion", Applied Animal Behaviour Scince, Elsevier, vol. 153, april 2014, Dated: 01.01.0001 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017179990A1 (en) | 2017-10-19 |
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