CA1081937A - Electrical devices containing readily biodegradable dielectric fluids - Google Patents
Electrical devices containing readily biodegradable dielectric fluidsInfo
- Publication number
- CA1081937A CA1081937A CA253,661A CA253661A CA1081937A CA 1081937 A CA1081937 A CA 1081937A CA 253661 A CA253661 A CA 253661A CA 1081937 A CA1081937 A CA 1081937A
- Authority
- CA
- Canada
- Prior art keywords
- halogenated
- dielectric
- fluids
- electrical
- dielectric fluids
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 44
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 12
- 239000000460 chlorine Substances 0.000 claims abstract description 9
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 4
- 239000011737 fluorine Substances 0.000 claims abstract description 4
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical class C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 claims description 36
- 238000006467 substitution reaction Methods 0.000 claims description 18
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- IVCOQBLSLHKQNP-UHFFFAOYSA-N 4-benzyl-1,2-dichlorobenzene Chemical group C1=C(Cl)C(Cl)=CC=C1CC1=CC=CC=C1 IVCOQBLSLHKQNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004014 plasticizer Substances 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 42
- -1 halogenated diphenylmethane compound Chemical class 0.000 abstract description 13
- 230000000704 physical effect Effects 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 description 25
- 238000012360 testing method Methods 0.000 description 17
- 238000006065 biodegradation reaction Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 13
- 238000005273 aeration Methods 0.000 description 12
- 229910052736 halogen Inorganic materials 0.000 description 12
- 150000002367 halogens Chemical group 0.000 description 12
- 239000000123 paper Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 9
- 239000010802 sludge Substances 0.000 description 9
- 239000003381 stabilizer Substances 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 150000001491 aromatic compounds Chemical class 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 230000009970 fire resistant effect Effects 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 4
- 230000008034 disappearance Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 150000002924 oxiranes Chemical class 0.000 description 3
- 230000002688 persistence Effects 0.000 description 3
- BTAGRXWGMYTPBY-UHFFFAOYSA-N 1,2,3-trichloro-4-(2,3,4-trichlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC=C1C1=CC=C(Cl)C(Cl)=C1Cl BTAGRXWGMYTPBY-UHFFFAOYSA-N 0.000 description 2
- IKKSPFNZXBWDQA-UHFFFAOYSA-N 1-benzyl-2-chlorobenzene Chemical compound ClC1=CC=CC=C1CC1=CC=CC=C1 IKKSPFNZXBWDQA-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- AOSZTAHDEDLTLQ-AZKQZHLXSA-N (1S,2S,4R,8S,9S,11S,12R,13S,19S)-6-[(3-chlorophenyl)methyl]-12,19-difluoro-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-azapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one Chemical compound C([C@@H]1C[C@H]2[C@H]3[C@]([C@]4(C=CC(=O)C=C4[C@@H](F)C3)C)(F)[C@@H](O)C[C@@]2([C@@]1(C1)C(=O)CO)C)N1CC1=CC=CC(Cl)=C1 AOSZTAHDEDLTLQ-AZKQZHLXSA-N 0.000 description 1
- NKZRJRHRZKDUPR-UHFFFAOYSA-N 1,2,4-trichloro-5-phenylsulfanylbenzene Chemical compound C1=C(Cl)C(Cl)=CC(Cl)=C1SC1=CC=CC=C1 NKZRJRHRZKDUPR-UHFFFAOYSA-N 0.000 description 1
- OIAQMFOKAXHPNH-UHFFFAOYSA-N 1,2-diphenylbenzene Chemical class C1=CC=CC=C1C1=CC=CC=C1C1=CC=CC=C1 OIAQMFOKAXHPNH-UHFFFAOYSA-N 0.000 description 1
- KQBYLYYPEWNVQB-UHFFFAOYSA-N 1-benzyl-2,3,4-trichlorobenzene Chemical compound ClC1=C(Cl)C(Cl)=CC=C1CC1=CC=CC=C1 KQBYLYYPEWNVQB-UHFFFAOYSA-N 0.000 description 1
- NPOGRKGIBGKRNI-UHFFFAOYSA-N 1-benzyl-4-chlorobenzene Chemical compound C1=CC(Cl)=CC=C1CC1=CC=CC=C1 NPOGRKGIBGKRNI-UHFFFAOYSA-N 0.000 description 1
- RDQVWUSWGRCAPU-UHFFFAOYSA-N 1-chloro-2-[(2-methylphenyl)methyl]benzene Chemical compound CC1=CC=CC=C1CC1=CC=CC=C1Cl RDQVWUSWGRCAPU-UHFFFAOYSA-N 0.000 description 1
- MZWAVCFZTTUEKL-UHFFFAOYSA-N 1-chloro-4-[(2-methylphenyl)methyl]benzene Chemical compound CC1=CC=CC=C1CC1=CC=C(Cl)C=C1 MZWAVCFZTTUEKL-UHFFFAOYSA-N 0.000 description 1
- BSZXAFXFTLXUFV-UHFFFAOYSA-N 1-phenylethylbenzene Chemical compound C=1C=CC=CC=1C(C)C1=CC=CC=C1 BSZXAFXFTLXUFV-UHFFFAOYSA-N 0.000 description 1
- GRWFFFOEIHGUBG-UHFFFAOYSA-N 3,4-Epoxy-6-methylcyclohexylmethyl-3,4-epoxy-6-methylcyclo-hexanecarboxylate Chemical compound C1C2OC2CC(C)C1C(=O)OCC1CC2OC2CC1C GRWFFFOEIHGUBG-UHFFFAOYSA-N 0.000 description 1
- LQGSWLJZAKVBJH-UHFFFAOYSA-N 4,4'-dichlorodiphenylmethane Chemical compound C1=CC(Cl)=CC=C1CC1=CC=C(Cl)C=C1 LQGSWLJZAKVBJH-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- NHJIDZUQMHKGRE-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]heptan-4-yl 2-(7-oxabicyclo[4.1.0]heptan-4-yl)acetate Chemical compound C1CC2OC2CC1OC(=O)CC1CC2OC2CC1 NHJIDZUQMHKGRE-UHFFFAOYSA-N 0.000 description 1
- 206010001497 Agitation Diseases 0.000 description 1
- 229940126657 Compound 17 Drugs 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 150000005524 benzylchlorides Chemical class 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 231100000209 biodegradability test Toxicity 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 229940108928 copper Drugs 0.000 description 1
- CFFOYHZILKHZDE-UHFFFAOYSA-N cyclohexylmethyl 7-oxabicyclo[4.1.0]heptane-4-carboxylate Chemical compound C1CC2OC2CC1C(=O)OCC1CCCCC1 CFFOYHZILKHZDE-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 150000004816 dichlorobenzenes Chemical class 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- LTYMSROWYAPPGB-UHFFFAOYSA-N diphenyl sulfide Chemical compound C=1C=CC=CC=1SC1=CC=CC=C1 LTYMSROWYAPPGB-UHFFFAOYSA-N 0.000 description 1
- OPTDDWCXQQYKGU-UHFFFAOYSA-N diphenyldichloromethane Chemical compound C=1C=CC=CC=1C(Cl)(Cl)C1=CC=CC=C1 OPTDDWCXQQYKGU-UHFFFAOYSA-N 0.000 description 1
- 125000006840 diphenylmethane group Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 150000001911 terphenyls Chemical class 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
- H01G4/22—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated
- H01G4/221—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated characterised by the composition of the impregnant
- H01G4/222—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated characterised by the composition of the impregnant halogenated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/20—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
- H01B3/24—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils containing halogen in the molecules, e.g. halogenated oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/042—Epoxides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/16—Naphthenic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
- C10M2211/024—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aromatic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/06—Perfluorinated compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/16—Dielectric; Insulating oil or insulators
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/17—Electric or magnetic purposes for electric contacts
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Organic Insulating Materials (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58248675A | 1975-05-30 | 1975-05-30 | |
| US582,486 | 1975-05-30 | ||
| US63552475A | 1975-11-26 | 1975-11-26 | |
| US635,524 | 1975-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1081937A true CA1081937A (en) | 1980-07-22 |
Family
ID=27078579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA253,661A Expired CA1081937A (en) | 1975-05-30 | 1976-05-28 | Electrical devices containing readily biodegradable dielectric fluids |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5936367B2 (de) |
| AR (1) | AR215859A1 (de) |
| BR (1) | BR7603396A (de) |
| CA (1) | CA1081937A (de) |
| CH (1) | CH604330A5 (de) |
| DE (1) | DE2624032C2 (de) |
| ES (1) | ES448228A1 (de) |
| FR (1) | FR2312841A1 (de) |
| GB (1) | GB1504655A (de) |
| IT (1) | IT1060728B (de) |
| MX (1) | MX142957A (de) |
| NL (1) | NL7605659A (de) |
| SE (1) | SE425318B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2432199A1 (fr) * | 1978-07-27 | 1980-02-22 | Ugine Kuhlmann | Nouveaux dielectriques liquides |
| EP0008251B1 (de) * | 1978-07-27 | 1982-02-17 | P C U K Produits Chimiques Ugine Kuhlmann | Dielektrische Flüssigkeiten, Verfahren zur Herstellung und Anwendungen |
| FR2449954A2 (fr) * | 1979-02-20 | 1980-09-19 | Ugine Kuhlmann | Nouveaux fluides isolants pour transformateurs |
| DE3402863A1 (de) * | 1984-01-27 | 1985-08-01 | Hydrocor-Forschungs- und Analytik GmbH, 1000 Berlin | Bromhaltige benzyltoluol-derivate, verfahren zu ihrer herstellung und deren verwendung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE402381A (de) * | ||||
| US2410714A (en) * | 1942-03-31 | 1946-11-05 | Gen Electric | Dielectric and insulating composition |
| US2477543A (en) * | 1946-05-18 | 1949-07-26 | Sprague Electric Co | Fluorinated polyaryl hydrocarbons |
| US2617770A (en) * | 1948-12-28 | 1952-11-11 | Monsanto Chemicals | Compositions of matter comprising halogenated organic compounds |
| US3362908A (en) * | 1965-01-13 | 1968-01-09 | Gen Electric | Electrical apparatus and dielectric material therefor |
| US3423655A (en) * | 1965-09-20 | 1969-01-21 | Gen Electric | Dielectric liquid epoxide scavenger |
-
1976
- 1976-05-26 NL NL7605659A patent/NL7605659A/xx not_active Application Discontinuation
- 1976-05-26 ES ES448228A patent/ES448228A1/es not_active Expired
- 1976-05-28 AR AR263434A patent/AR215859A1/es active
- 1976-05-28 FR FR7616147A patent/FR2312841A1/fr active Granted
- 1976-05-28 JP JP51061340A patent/JPS5936367B2/ja not_active Expired
- 1976-05-28 GB GB22199/76A patent/GB1504655A/en not_active Expired
- 1976-05-28 CA CA253,661A patent/CA1081937A/en not_active Expired
- 1976-05-28 SE SE7606085A patent/SE425318B/xx unknown
- 1976-05-28 BR BR3396/76A patent/BR7603396A/pt unknown
- 1976-05-28 IT IT23754/76A patent/IT1060728B/it active
- 1976-05-28 DE DE2624032A patent/DE2624032C2/de not_active Expired
- 1976-05-28 CH CH674676A patent/CH604330A5/xx not_active IP Right Cessation
- 1976-05-31 MX MX164873A patent/MX142957A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MX142957A (es) | 1981-01-26 |
| ES448228A1 (es) | 1977-12-01 |
| JPS51145000A (en) | 1976-12-13 |
| AR215859A1 (es) | 1979-11-15 |
| BR7603396A (pt) | 1976-12-21 |
| NL7605659A (nl) | 1976-12-02 |
| FR2312841B1 (de) | 1982-02-19 |
| SE425318B (sv) | 1982-09-20 |
| DE2624032C2 (de) | 1984-10-31 |
| CH604330A5 (de) | 1978-09-15 |
| FR2312841A1 (fr) | 1976-12-24 |
| DE2624032A1 (de) | 1976-12-09 |
| AU1438776A (en) | 1977-12-01 |
| JPS5936367B2 (ja) | 1984-09-03 |
| IT1060728B (it) | 1982-08-20 |
| GB1504655A (en) | 1978-03-22 |
| SE7606085L (sv) | 1976-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |